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Convert TokenizedBuffer spec to JS
This commit is contained in:
Max Brunsfeld
@@ -1,688 +0,0 @@
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NullGrammar = require '../src/null-grammar'
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TokenizedBuffer = require '../src/tokenized-buffer'
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{Point} = TextBuffer = require 'text-buffer'
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_ = require 'underscore-plus'
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describe "TokenizedBuffer", ->
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[tokenizedBuffer, buffer] = []
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beforeEach ->
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# enable async tokenization
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TokenizedBuffer.prototype.chunkSize = 5
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jasmine.unspy(TokenizedBuffer.prototype, 'tokenizeInBackground')
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waitsForPromise ->
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atom.packages.activatePackage('language-javascript')
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afterEach ->
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tokenizedBuffer?.destroy()
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startTokenizing = (tokenizedBuffer) ->
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tokenizedBuffer.setVisible(true)
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fullyTokenize = (tokenizedBuffer) ->
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tokenizedBuffer.setVisible(true)
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advanceClock() while tokenizedBuffer.firstInvalidRow()?
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describe "serialization", ->
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describe "when the underlying buffer has a path", ->
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beforeEach ->
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buffer = atom.project.bufferForPathSync('sample.js')
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waitsForPromise ->
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atom.packages.activatePackage('language-coffee-script')
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it "deserializes it searching among the buffers in the current project", ->
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tokenizedBufferA = new TokenizedBuffer({buffer, tabLength: 2})
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tokenizedBufferB = TokenizedBuffer.deserialize(JSON.parse(JSON.stringify(tokenizedBufferA.serialize())), atom)
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expect(tokenizedBufferB.buffer).toBe(tokenizedBufferA.buffer)
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describe "when the underlying buffer has no path", ->
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beforeEach ->
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buffer = atom.project.bufferForPathSync(null)
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it "deserializes it searching among the buffers in the current project", ->
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tokenizedBufferA = new TokenizedBuffer({buffer, tabLength: 2})
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tokenizedBufferB = TokenizedBuffer.deserialize(JSON.parse(JSON.stringify(tokenizedBufferA.serialize())), atom)
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expect(tokenizedBufferB.buffer).toBe(tokenizedBufferA.buffer)
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describe "when the buffer is destroyed", ->
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beforeEach ->
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buffer = atom.project.bufferForPathSync('sample.js')
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tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
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startTokenizing(tokenizedBuffer)
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it "stops tokenization", ->
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tokenizedBuffer.destroy()
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spyOn(tokenizedBuffer, 'tokenizeNextChunk')
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advanceClock()
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expect(tokenizedBuffer.tokenizeNextChunk).not.toHaveBeenCalled()
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describe "when the buffer contains soft-tabs", ->
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beforeEach ->
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buffer = atom.project.bufferForPathSync('sample.js')
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tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
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startTokenizing(tokenizedBuffer)
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afterEach ->
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tokenizedBuffer.destroy()
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buffer.release()
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describe "on construction", ->
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it "tokenizes lines chunk at a time in the background", ->
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line0 = tokenizedBuffer.tokenizedLines[0]
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expect(line0).toBeUndefined()
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line11 = tokenizedBuffer.tokenizedLines[11]
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expect(line11).toBeUndefined()
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# tokenize chunk 1
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advanceClock()
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expect(tokenizedBuffer.tokenizedLines[0].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[4].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[5]).toBeUndefined()
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# tokenize chunk 2
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advanceClock()
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expect(tokenizedBuffer.tokenizedLines[5].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[9].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[10]).toBeUndefined()
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# tokenize last chunk
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advanceClock()
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expect(tokenizedBuffer.tokenizedLines[10].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[12].ruleStack?).toBeTruthy()
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describe "when the buffer is partially tokenized", ->
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beforeEach ->
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# tokenize chunk 1 only
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advanceClock()
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describe "when there is a buffer change inside the tokenized region", ->
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describe "when lines are added", ->
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it "pushes the invalid rows down", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.insert([1, 0], '\n\n')
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expect(tokenizedBuffer.firstInvalidRow()).toBe 7
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describe "when lines are removed", ->
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it "pulls the invalid rows up", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.delete([[1, 0], [3, 0]])
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expect(tokenizedBuffer.firstInvalidRow()).toBe 2
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describe "when the change invalidates all the lines before the current invalid region", ->
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it "retokenizes the invalidated lines and continues into the valid region", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.insert([2, 0], '/*')
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expect(tokenizedBuffer.firstInvalidRow()).toBe 3
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advanceClock()
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expect(tokenizedBuffer.firstInvalidRow()).toBe 8
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describe "when there is a buffer change surrounding an invalid row", ->
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it "pushes the invalid row to the end of the change", ->
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buffer.setTextInRange([[4, 0], [6, 0]], "\n\n\n")
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expect(tokenizedBuffer.firstInvalidRow()).toBe 8
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describe "when there is a buffer change inside an invalid region", ->
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it "does not attempt to tokenize the lines in the change, and preserves the existing invalid row", ->
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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buffer.setTextInRange([[6, 0], [7, 0]], "\n\n\n")
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expect(tokenizedBuffer.tokenizedLines[6]).toBeUndefined()
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expect(tokenizedBuffer.tokenizedLines[7]).toBeUndefined()
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expect(tokenizedBuffer.firstInvalidRow()).toBe 5
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describe "when the buffer is fully tokenized", ->
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beforeEach ->
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fullyTokenize(tokenizedBuffer)
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describe "when there is a buffer change that is smaller than the chunk size", ->
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describe "when lines are updated, but none are added or removed", ->
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it "updates tokens to reflect the change", ->
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buffer.setTextInRange([[0, 0], [2, 0]], "foo()\n7\n")
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expect(tokenizedBuffer.tokenizedLines[0].tokens[1]).toEqual(value: '(', scopes: ['source.js', 'meta.function-call.js', 'meta.arguments.js', 'punctuation.definition.arguments.begin.bracket.round.js'])
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expect(tokenizedBuffer.tokenizedLines[1].tokens[0]).toEqual(value: '7', scopes: ['source.js', 'constant.numeric.decimal.js'])
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# line 2 is unchanged
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expect(tokenizedBuffer.tokenizedLines[2].tokens[1]).toEqual(value: 'if', scopes: ['source.js', 'keyword.control.js'])
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describe "when the change invalidates the tokenization of subsequent lines", ->
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it "schedules the invalidated lines to be tokenized in the background", ->
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buffer.insert([5, 30], '/* */')
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buffer.insert([2, 0], '/*')
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expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual ['source.js']
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advanceClock()
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expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[4].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[5].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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it "resumes highlighting with the state of the previous line", ->
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buffer.insert([0, 0], '/*')
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buffer.insert([5, 0], '*/')
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buffer.insert([1, 0], 'var ')
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expect(tokenizedBuffer.tokenizedLines[1].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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describe "when lines are both updated and removed", ->
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it "updates tokens to reflect the change", ->
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buffer.setTextInRange([[1, 0], [3, 0]], "foo()")
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# previous line 0 remains
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expect(tokenizedBuffer.tokenizedLines[0].tokens[0]).toEqual(value: 'var', scopes: ['source.js', 'storage.type.var.js'])
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# previous line 3 should be combined with input to form line 1
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expect(tokenizedBuffer.tokenizedLines[1].tokens[0]).toEqual(value: 'foo', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js'])
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expect(tokenizedBuffer.tokenizedLines[1].tokens[6]).toEqual(value: '=', scopes: ['source.js', 'keyword.operator.assignment.js'])
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# lines below deleted regions should be shifted upward
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expect(tokenizedBuffer.tokenizedLines[2].tokens[1]).toEqual(value: 'while', scopes: ['source.js', 'keyword.control.js'])
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expect(tokenizedBuffer.tokenizedLines[3].tokens[1]).toEqual(value: '=', scopes: ['source.js', 'keyword.operator.assignment.js'])
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expect(tokenizedBuffer.tokenizedLines[4].tokens[1]).toEqual(value: '<', scopes: ['source.js', 'keyword.operator.comparison.js'])
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describe "when the change invalidates the tokenization of subsequent lines", ->
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it "schedules the invalidated lines to be tokenized in the background", ->
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buffer.insert([5, 30], '/* */')
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buffer.setTextInRange([[2, 0], [3, 0]], '/*')
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expect(tokenizedBuffer.tokenizedLines[2].tokens[0].scopes).toEqual ['source.js', 'comment.block.js', 'punctuation.definition.comment.begin.js']
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expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual ['source.js']
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advanceClock()
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expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[4].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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describe "when lines are both updated and inserted", ->
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it "updates tokens to reflect the change", ->
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buffer.setTextInRange([[1, 0], [2, 0]], "foo()\nbar()\nbaz()\nquux()")
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# previous line 0 remains
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expect(tokenizedBuffer.tokenizedLines[0].tokens[0]).toEqual( value: 'var', scopes: ['source.js', 'storage.type.var.js'])
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# 3 new lines inserted
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expect(tokenizedBuffer.tokenizedLines[1].tokens[0]).toEqual(value: 'foo', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js'])
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expect(tokenizedBuffer.tokenizedLines[2].tokens[0]).toEqual(value: 'bar', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js'])
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expect(tokenizedBuffer.tokenizedLines[3].tokens[0]).toEqual(value: 'baz', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js'])
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# previous line 2 is joined with quux() on line 4
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expect(tokenizedBuffer.tokenizedLines[4].tokens[0]).toEqual(value: 'quux', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js'])
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expect(tokenizedBuffer.tokenizedLines[4].tokens[4]).toEqual(value: 'if', scopes: ['source.js', 'keyword.control.js'])
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# previous line 3 is pushed down to become line 5
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expect(tokenizedBuffer.tokenizedLines[5].tokens[3]).toEqual(value: '=', scopes: ['source.js', 'keyword.operator.assignment.js'])
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describe "when the change invalidates the tokenization of subsequent lines", ->
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it "schedules the invalidated lines to be tokenized in the background", ->
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buffer.insert([5, 30], '/* */')
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buffer.insert([2, 0], '/*\nabcde\nabcder')
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expect(tokenizedBuffer.tokenizedLines[2].tokens[0].scopes).toEqual ['source.js', 'comment.block.js', 'punctuation.definition.comment.begin.js']
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expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[4].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[5].tokens[0].scopes).toEqual ['source.js']
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advanceClock() # tokenize invalidated lines in background
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expect(tokenizedBuffer.tokenizedLines[5].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[6].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[7].tokens[0].scopes).toEqual ['source.js', 'comment.block.js']
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expect(tokenizedBuffer.tokenizedLines[8].tokens[0].scopes).not.toBe ['source.js', 'comment.block.js']
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describe "when there is an insertion that is larger than the chunk size", ->
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it "tokenizes the initial chunk synchronously, then tokenizes the remaining lines in the background", ->
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commentBlock = _.multiplyString("// a comment\n", tokenizedBuffer.chunkSize + 2)
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buffer.insert([0, 0], commentBlock)
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expect(tokenizedBuffer.tokenizedLines[0].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[4].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[5]).toBeUndefined()
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advanceClock()
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expect(tokenizedBuffer.tokenizedLines[5].ruleStack?).toBeTruthy()
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expect(tokenizedBuffer.tokenizedLines[6].ruleStack?).toBeTruthy()
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it "does not break out soft tabs across a scope boundary", ->
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waitsForPromise ->
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atom.packages.activatePackage('language-gfm')
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runs ->
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tokenizedBuffer.setTabLength(4)
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tokenizedBuffer.setGrammar(atom.grammars.selectGrammar('.md'))
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buffer.setText(' <![]()\n ')
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fullyTokenize(tokenizedBuffer)
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length = 0
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for tag in tokenizedBuffer.tokenizedLines[1].tags
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length += tag if tag > 0
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expect(length).toBe 4
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describe "when the buffer contains hard-tabs", ->
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beforeEach ->
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waitsForPromise ->
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atom.packages.activatePackage('language-coffee-script')
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runs ->
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buffer = atom.project.bufferForPathSync('sample-with-tabs.coffee')
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tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.coffee'), tabLength: 2})
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startTokenizing(tokenizedBuffer)
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afterEach ->
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tokenizedBuffer.destroy()
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buffer.release()
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describe "when the buffer is fully tokenized", ->
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beforeEach ->
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fullyTokenize(tokenizedBuffer)
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describe "when the grammar is tokenized", ->
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it "emits the `tokenized` event", ->
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editor = null
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tokenizedHandler = jasmine.createSpy("tokenized handler")
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waitsForPromise ->
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atom.workspace.open('sample.js').then (o) -> editor = o
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runs ->
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tokenizedBuffer = editor.tokenizedBuffer
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tokenizedBuffer.onDidTokenize tokenizedHandler
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fullyTokenize(tokenizedBuffer)
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expect(tokenizedHandler.callCount).toBe(1)
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it "doesn't re-emit the `tokenized` event when it is re-tokenized", ->
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editor = null
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tokenizedHandler = jasmine.createSpy("tokenized handler")
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waitsForPromise ->
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atom.workspace.open('sample.js').then (o) -> editor = o
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runs ->
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tokenizedBuffer = editor.tokenizedBuffer
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fullyTokenize(tokenizedBuffer)
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tokenizedBuffer.onDidTokenize tokenizedHandler
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editor.getBuffer().insert([0, 0], "'")
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fullyTokenize(tokenizedBuffer)
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expect(tokenizedHandler).not.toHaveBeenCalled()
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describe "when the grammar is updated because a grammar it includes is activated", ->
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it "re-emits the `tokenized` event", ->
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editor = null
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tokenizedBuffer = null
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tokenizedHandler = jasmine.createSpy("tokenized handler")
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waitsForPromise ->
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atom.workspace.open('coffee.coffee').then (o) -> editor = o
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runs ->
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tokenizedBuffer = editor.tokenizedBuffer
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tokenizedBuffer.onDidTokenize tokenizedHandler
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fullyTokenize(tokenizedBuffer)
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tokenizedHandler.reset()
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waitsForPromise ->
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atom.packages.activatePackage('language-coffee-script')
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runs ->
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fullyTokenize(tokenizedBuffer)
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expect(tokenizedHandler.callCount).toBe(1)
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it "retokenizes the buffer", ->
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waitsForPromise ->
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atom.packages.activatePackage('language-ruby-on-rails')
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waitsForPromise ->
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atom.packages.activatePackage('language-ruby')
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runs ->
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buffer = atom.project.bufferForPathSync()
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buffer.setText "<div class='name'><%= User.find(2).full_name %></div>"
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tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.selectGrammar('test.erb'), tabLength: 2})
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fullyTokenize(tokenizedBuffer)
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{tokens} = tokenizedBuffer.tokenizedLines[0]
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expect(tokens[0]).toEqual value: "<div class='name'>", scopes: ["text.html.ruby"]
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waitsForPromise ->
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atom.packages.activatePackage('language-html')
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runs ->
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fullyTokenize(tokenizedBuffer)
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{tokens} = tokenizedBuffer.tokenizedLines[0]
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expect(tokens[0]).toEqual value: '<', scopes: ["text.html.ruby", "meta.tag.block.div.html", "punctuation.definition.tag.begin.html"]
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describe ".tokenForPosition(position)", ->
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afterEach ->
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tokenizedBuffer.destroy()
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buffer.release()
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it "returns the correct token (regression)", ->
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buffer = atom.project.bufferForPathSync('sample.js')
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tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
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fullyTokenize(tokenizedBuffer)
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expect(tokenizedBuffer.tokenForPosition([1, 0]).scopes).toEqual ["source.js"]
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expect(tokenizedBuffer.tokenForPosition([1, 1]).scopes).toEqual ["source.js"]
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expect(tokenizedBuffer.tokenForPosition([1, 2]).scopes).toEqual ["source.js", "storage.type.var.js"]
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describe ".bufferRangeForScopeAtPosition(selector, position)", ->
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beforeEach ->
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buffer = atom.project.bufferForPathSync('sample.js')
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tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
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fullyTokenize(tokenizedBuffer)
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describe "when the selector does not match the token at the position", ->
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it "returns a falsy value", ->
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expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.bogus', [0, 1])).toBeUndefined()
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describe "when the selector matches a single token at the position", ->
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it "returns the range covered by the token", ->
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expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.storage.type.var.js', [0, 1])).toEqual [[0, 0], [0, 3]]
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expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.storage.type.var.js', [0, 3])).toEqual [[0, 0], [0, 3]]
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describe "when the selector matches a run of multiple tokens at the position", ->
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it "returns the range covered by all contiguous tokens (within a single line)", ->
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expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.function', [1, 18])).toEqual [[1, 6], [1, 28]]
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describe ".indentLevelForRow(row)", ->
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beforeEach ->
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buffer = atom.project.bufferForPathSync('sample.js')
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tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
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fullyTokenize(tokenizedBuffer)
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describe "when the line is non-empty", ->
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it "has an indent level based on the leading whitespace on the line", ->
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expect(tokenizedBuffer.indentLevelForRow(0)).toBe 0
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expect(tokenizedBuffer.indentLevelForRow(1)).toBe 1
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expect(tokenizedBuffer.indentLevelForRow(2)).toBe 2
|
||||
buffer.insert([2, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(2)).toBe 2.5
|
||||
|
||||
describe "when the line is empty", ->
|
||||
it "assumes the indentation level of the first non-empty line below or above if one exists", ->
|
||||
buffer.insert([12, 0], ' ')
|
||||
buffer.insert([12, Infinity], '\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe 2
|
||||
expect(tokenizedBuffer.indentLevelForRow(14)).toBe 2
|
||||
|
||||
buffer.insert([1, Infinity], '\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(2)).toBe 2
|
||||
expect(tokenizedBuffer.indentLevelForRow(3)).toBe 2
|
||||
|
||||
buffer.setText('\n\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(1)).toBe 0
|
||||
|
||||
describe "when the changed lines are surrounded by whitespace-only lines", ->
|
||||
it "updates the indentLevel of empty lines that precede the change", ->
|
||||
expect(tokenizedBuffer.indentLevelForRow(12)).toBe 0
|
||||
|
||||
buffer.insert([12, 0], '\n')
|
||||
buffer.insert([13, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(12)).toBe 1
|
||||
|
||||
it "updates empty line indent guides when the empty line is the last line", ->
|
||||
buffer.insert([12, 2], '\n')
|
||||
|
||||
# The newline and the tab need to be in two different operations to surface the bug
|
||||
buffer.insert([12, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe 1
|
||||
|
||||
buffer.insert([12, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe 2
|
||||
expect(tokenizedBuffer.tokenizedLines[14]).not.toBeDefined()
|
||||
|
||||
it "updates the indentLevel of empty lines surrounding a change that inserts lines", ->
|
||||
buffer.insert([7, 0], '\n\n')
|
||||
buffer.insert([5, 0], '\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(5)).toBe 3
|
||||
expect(tokenizedBuffer.indentLevelForRow(6)).toBe 3
|
||||
expect(tokenizedBuffer.indentLevelForRow(9)).toBe 3
|
||||
expect(tokenizedBuffer.indentLevelForRow(10)).toBe 3
|
||||
expect(tokenizedBuffer.indentLevelForRow(11)).toBe 2
|
||||
|
||||
buffer.setTextInRange([[7, 0], [8, 65]], ' one\n two\n three\n four')
|
||||
expect(tokenizedBuffer.indentLevelForRow(5)).toBe 4
|
||||
expect(tokenizedBuffer.indentLevelForRow(6)).toBe 4
|
||||
expect(tokenizedBuffer.indentLevelForRow(11)).toBe 4
|
||||
expect(tokenizedBuffer.indentLevelForRow(12)).toBe 4
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe 2
|
||||
|
||||
it "updates the indentLevel of empty lines surrounding a change that removes lines", ->
|
||||
buffer.insert([7, 0], '\n\n')
|
||||
buffer.insert([5, 0], '\n\n')
|
||||
buffer.setTextInRange([[7, 0], [8, 65]], ' ok')
|
||||
expect(tokenizedBuffer.indentLevelForRow(5)).toBe 2
|
||||
expect(tokenizedBuffer.indentLevelForRow(6)).toBe 2
|
||||
expect(tokenizedBuffer.indentLevelForRow(7)).toBe 2 # new text
|
||||
expect(tokenizedBuffer.indentLevelForRow(8)).toBe 2
|
||||
expect(tokenizedBuffer.indentLevelForRow(9)).toBe 2
|
||||
expect(tokenizedBuffer.indentLevelForRow(10)).toBe 2 # }
|
||||
|
||||
describe "::isFoldableAtRow(row)", ->
|
||||
beforeEach ->
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
buffer.insert [10, 0], " // multi-line\n // comment\n // block\n"
|
||||
buffer.insert [0, 0], "// multi-line\n// comment\n// block\n"
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
it "includes the first line of multi-line comments", ->
|
||||
expect(tokenizedBuffer.isFoldableAtRow(0)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe true # because of indent
|
||||
expect(tokenizedBuffer.isFoldableAtRow(13)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(14)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(15)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(16)).toBe false
|
||||
|
||||
buffer.insert([0, Infinity], '\n')
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(0)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe false
|
||||
|
||||
buffer.undo()
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(0)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe true # because of indent
|
||||
|
||||
it "includes non-comment lines that precede an increase in indentation", ->
|
||||
buffer.insert([2, 0], ' ') # commented lines preceding an indent aren't foldable
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(4)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(5)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe false
|
||||
|
||||
buffer.insert([7, 0], ' ')
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe false
|
||||
|
||||
buffer.undo()
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe false
|
||||
|
||||
buffer.insert([7, 0], " \n x\n")
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe false
|
||||
|
||||
buffer.insert([9, 0], " ")
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe true
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe false
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe false
|
||||
|
||||
describe "::tokenizedLineForRow(row)", ->
|
||||
it "returns the tokenized line for a row, or a placeholder line if it hasn't been tokenized yet", ->
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
grammar = atom.grammars.grammarForScopeName('source.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar, tabLength: 2})
|
||||
line0 = buffer.lineForRow(0)
|
||||
|
||||
jsScopeStartId = grammar.startIdForScope(grammar.scopeName)
|
||||
jsScopeEndId = grammar.endIdForScope(grammar.scopeName)
|
||||
startTokenizing(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).toEqual([jsScopeStartId, line0.length, jsScopeEndId])
|
||||
advanceClock(1)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).not.toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).not.toEqual([jsScopeStartId, line0.length, jsScopeEndId])
|
||||
|
||||
nullScopeStartId = NullGrammar.startIdForScope(NullGrammar.scopeName)
|
||||
nullScopeEndId = NullGrammar.endIdForScope(NullGrammar.scopeName)
|
||||
tokenizedBuffer.setGrammar(NullGrammar)
|
||||
startTokenizing(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).toEqual([nullScopeStartId, line0.length, nullScopeEndId])
|
||||
advanceClock(1)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).toEqual([nullScopeStartId, line0.length, nullScopeEndId])
|
||||
|
||||
it "returns undefined if the requested row is outside the buffer range", ->
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
grammar = atom.grammars.grammarForScopeName('source.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar, tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(999)).toBeUndefined()
|
||||
|
||||
describe "when the buffer is configured with the null grammar", ->
|
||||
it "does not actually tokenize using the grammar", ->
|
||||
spyOn(NullGrammar, 'tokenizeLine').andCallThrough()
|
||||
buffer = atom.project.bufferForPathSync('sample.will-use-the-null-grammar')
|
||||
buffer.setText('a\nb\nc')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, tabLength: 2})
|
||||
tokenizeCallback = jasmine.createSpy('onDidTokenize')
|
||||
tokenizedBuffer.onDidTokenize(tokenizeCallback)
|
||||
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[1]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[2]).toBeUndefined()
|
||||
expect(tokenizeCallback.callCount).toBe(0)
|
||||
expect(NullGrammar.tokenizeLine).not.toHaveBeenCalled()
|
||||
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[1]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[2]).toBeUndefined()
|
||||
expect(tokenizeCallback.callCount).toBe(0)
|
||||
expect(NullGrammar.tokenizeLine).not.toHaveBeenCalled()
|
||||
|
||||
describe "text decoration layer API", ->
|
||||
describe "iterator", ->
|
||||
it "iterates over the syntactic scope boundaries", ->
|
||||
buffer = new TextBuffer(text: "var foo = 1 /*\nhello*/var bar = 2\n")
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName("source.js"), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
iterator = tokenizedBuffer.buildIterator()
|
||||
iterator.seek(Point(0, 0))
|
||||
|
||||
expectedBoundaries = [
|
||||
{position: Point(0, 0), closeTags: [], openTags: ["syntax--source syntax--js", "syntax--storage syntax--type syntax--var syntax--js"]}
|
||||
{position: Point(0, 3), closeTags: ["syntax--storage syntax--type syntax--var syntax--js"], openTags: []}
|
||||
{position: Point(0, 8), closeTags: [], openTags: ["syntax--keyword syntax--operator syntax--assignment syntax--js"]}
|
||||
{position: Point(0, 9), closeTags: ["syntax--keyword syntax--operator syntax--assignment syntax--js"], openTags: []}
|
||||
{position: Point(0, 10), closeTags: [], openTags: ["syntax--constant syntax--numeric syntax--decimal syntax--js"]}
|
||||
{position: Point(0, 11), closeTags: ["syntax--constant syntax--numeric syntax--decimal syntax--js"], openTags: []}
|
||||
{position: Point(0, 12), closeTags: [], openTags: ["syntax--comment syntax--block syntax--js", "syntax--punctuation syntax--definition syntax--comment syntax--begin syntax--js"]}
|
||||
{position: Point(0, 14), closeTags: ["syntax--punctuation syntax--definition syntax--comment syntax--begin syntax--js"], openTags: []}
|
||||
{position: Point(1, 5), closeTags: [], openTags: ["syntax--punctuation syntax--definition syntax--comment syntax--end syntax--js"]}
|
||||
{position: Point(1, 7), closeTags: ["syntax--punctuation syntax--definition syntax--comment syntax--end syntax--js", "syntax--comment syntax--block syntax--js"], openTags: ["syntax--storage syntax--type syntax--var syntax--js"]}
|
||||
{position: Point(1, 10), closeTags: ["syntax--storage syntax--type syntax--var syntax--js"], openTags: []}
|
||||
{position: Point(1, 15), closeTags: [], openTags: ["syntax--keyword syntax--operator syntax--assignment syntax--js"]}
|
||||
{position: Point(1, 16), closeTags: ["syntax--keyword syntax--operator syntax--assignment syntax--js"], openTags: []}
|
||||
{position: Point(1, 17), closeTags: [], openTags: ["syntax--constant syntax--numeric syntax--decimal syntax--js"]}
|
||||
{position: Point(1, 18), closeTags: ["syntax--constant syntax--numeric syntax--decimal syntax--js"], openTags: []}
|
||||
]
|
||||
|
||||
loop
|
||||
boundary = {
|
||||
position: iterator.getPosition(),
|
||||
closeTags: iterator.getCloseScopeIds().map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId)),
|
||||
openTags: iterator.getOpenScopeIds().map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))
|
||||
}
|
||||
|
||||
expect(boundary).toEqual(expectedBoundaries.shift())
|
||||
break unless iterator.moveToSuccessor()
|
||||
|
||||
expect(iterator.seek(Point(0, 1)).map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
"syntax--source syntax--js",
|
||||
"syntax--storage syntax--type syntax--var syntax--js"
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(0, 3))
|
||||
expect(iterator.seek(Point(0, 8)).map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
"syntax--source syntax--js"
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(0, 8))
|
||||
expect(iterator.seek(Point(1, 0)).map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
"syntax--source syntax--js",
|
||||
"syntax--comment syntax--block syntax--js"
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(1, 0))
|
||||
expect(iterator.seek(Point(1, 18)).map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
"syntax--source syntax--js",
|
||||
"syntax--constant syntax--numeric syntax--decimal syntax--js"
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(1, 18))
|
||||
|
||||
expect(iterator.seek(Point(2, 0)).map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
"syntax--source syntax--js"
|
||||
])
|
||||
iterator.moveToSuccessor() # ensure we don't infinitely loop (regression test)
|
||||
|
||||
it "does not report columns beyond the length of the line", ->
|
||||
waitsForPromise ->
|
||||
atom.packages.activatePackage('language-coffee-script')
|
||||
|
||||
runs ->
|
||||
buffer = new TextBuffer(text: "# hello\n# world")
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName("source.coffee"), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
iterator = tokenizedBuffer.buildIterator()
|
||||
iterator.seek(Point(0, 0))
|
||||
iterator.moveToSuccessor()
|
||||
iterator.moveToSuccessor()
|
||||
expect(iterator.getPosition().column).toBe(7)
|
||||
|
||||
iterator.moveToSuccessor()
|
||||
expect(iterator.getPosition().column).toBe(0)
|
||||
|
||||
iterator.seek(Point(0, 7))
|
||||
expect(iterator.getPosition().column).toBe(7)
|
||||
|
||||
iterator.seek(Point(0, 8))
|
||||
expect(iterator.getPosition().column).toBe(7)
|
||||
|
||||
it "correctly terminates scopes at the beginning of the line (regression)", ->
|
||||
grammar = atom.grammars.createGrammar('test', {
|
||||
'scopeName': 'text.broken'
|
||||
'name': 'Broken grammar'
|
||||
'patterns': [
|
||||
{'begin': 'start', 'end': '(?=end)', 'name': 'blue.broken'},
|
||||
{'match': '.', 'name': 'yellow.broken'}
|
||||
]
|
||||
})
|
||||
|
||||
buffer = new TextBuffer(text: 'start x\nend x\nx')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar, tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
iterator = tokenizedBuffer.buildIterator()
|
||||
iterator.seek(Point(1, 0))
|
||||
|
||||
expect(iterator.getPosition()).toEqual([1, 0])
|
||||
expect(iterator.getCloseScopeIds().map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))).toEqual ['syntax--blue syntax--broken']
|
||||
expect(iterator.getOpenScopeIds().map((scopeId) -> tokenizedBuffer.classNameForScopeId(scopeId))).toEqual ['syntax--yellow syntax--broken']
|
||||
779
spec/tokenized-buffer-spec.js
Normal file
779
spec/tokenized-buffer-spec.js
Normal file
@@ -0,0 +1,779 @@
|
||||
const NullGrammar = require('../src/null-grammar')
|
||||
const TokenizedBuffer = require('../src/tokenized-buffer')
|
||||
const TextBuffer = require('text-buffer')
|
||||
const {Point} = TextBuffer
|
||||
const _ = require('underscore-plus')
|
||||
|
||||
describe('TokenizedBuffer', () => {
|
||||
let tokenizedBuffer, buffer
|
||||
|
||||
beforeEach(() => {
|
||||
// enable async tokenization
|
||||
TokenizedBuffer.prototype.chunkSize = 5
|
||||
jasmine.unspy(TokenizedBuffer.prototype, 'tokenizeInBackground')
|
||||
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-javascript'))
|
||||
})
|
||||
|
||||
afterEach(() => tokenizedBuffer && tokenizedBuffer.destroy())
|
||||
|
||||
function startTokenizing (tokenizedBuffer) {
|
||||
tokenizedBuffer.setVisible(true)
|
||||
}
|
||||
|
||||
function fullyTokenize (tokenizedBuffer) {
|
||||
tokenizedBuffer.setVisible(true)
|
||||
while (tokenizedBuffer.firstInvalidRow() != null) {
|
||||
advanceClock()
|
||||
}
|
||||
}
|
||||
|
||||
describe('serialization', () => {
|
||||
describe('when the underlying buffer has a path', () => {
|
||||
beforeEach(() => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-coffee-script'))
|
||||
})
|
||||
|
||||
it('deserializes it searching among the buffers in the current project', () => {
|
||||
const tokenizedBufferA = new TokenizedBuffer({buffer, tabLength: 2})
|
||||
const tokenizedBufferB = TokenizedBuffer.deserialize(JSON.parse(JSON.stringify(tokenizedBufferA.serialize())), atom)
|
||||
expect(tokenizedBufferB.buffer).toBe(tokenizedBufferA.buffer)
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the underlying buffer has no path', () => {
|
||||
beforeEach(() => buffer = atom.project.bufferForPathSync(null))
|
||||
|
||||
it('deserializes it searching among the buffers in the current project', () => {
|
||||
const tokenizedBufferA = new TokenizedBuffer({buffer, tabLength: 2})
|
||||
const tokenizedBufferB = TokenizedBuffer.deserialize(JSON.parse(JSON.stringify(tokenizedBufferA.serialize())), atom)
|
||||
expect(tokenizedBufferB.buffer).toBe(tokenizedBufferA.buffer)
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the buffer is destroyed', () => {
|
||||
beforeEach(() => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
startTokenizing(tokenizedBuffer)
|
||||
})
|
||||
|
||||
it('stops tokenization', () => {
|
||||
tokenizedBuffer.destroy()
|
||||
spyOn(tokenizedBuffer, 'tokenizeNextChunk')
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.tokenizeNextChunk).not.toHaveBeenCalled()
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the buffer contains soft-tabs', () => {
|
||||
beforeEach(() => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
startTokenizing(tokenizedBuffer)
|
||||
})
|
||||
|
||||
afterEach(() => {
|
||||
tokenizedBuffer.destroy()
|
||||
buffer.release()
|
||||
})
|
||||
|
||||
describe('on construction', () =>
|
||||
it('tokenizes lines chunk at a time in the background', () => {
|
||||
const line0 = tokenizedBuffer.tokenizedLines[0]
|
||||
expect(line0).toBeUndefined()
|
||||
|
||||
const line11 = tokenizedBuffer.tokenizedLines[11]
|
||||
expect(line11).toBeUndefined()
|
||||
|
||||
// tokenize chunk 1
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.tokenizedLines[0].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[4].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[5]).toBeUndefined()
|
||||
|
||||
// tokenize chunk 2
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.tokenizedLines[5].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[9].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[10]).toBeUndefined()
|
||||
|
||||
// tokenize last chunk
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.tokenizedLines[10].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[12].ruleStack != null).toBeTruthy()
|
||||
})
|
||||
)
|
||||
|
||||
describe('when the buffer is partially tokenized', () => {
|
||||
beforeEach(() => {
|
||||
// tokenize chunk 1 only
|
||||
advanceClock()
|
||||
})
|
||||
|
||||
describe('when there is a buffer change inside the tokenized region', () => {
|
||||
describe('when lines are added', () => {
|
||||
it('pushes the invalid rows down', () => {
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(5)
|
||||
buffer.insert([1, 0], '\n\n')
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(7)
|
||||
})
|
||||
})
|
||||
|
||||
describe('when lines are removed', () => {
|
||||
it('pulls the invalid rows up', () => {
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(5)
|
||||
buffer.delete([[1, 0], [3, 0]])
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(2)
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the change invalidates all the lines before the current invalid region', () => {
|
||||
it('retokenizes the invalidated lines and continues into the valid region', () => {
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(5)
|
||||
buffer.insert([2, 0], '/*')
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(3)
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(8)
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when there is a buffer change surrounding an invalid row', () => {
|
||||
it('pushes the invalid row to the end of the change', () => {
|
||||
buffer.setTextInRange([[4, 0], [6, 0]], '\n\n\n')
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(8)
|
||||
})
|
||||
})
|
||||
|
||||
describe('when there is a buffer change inside an invalid region', () => {
|
||||
it('does not attempt to tokenize the lines in the change, and preserves the existing invalid row', () => {
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(5)
|
||||
buffer.setTextInRange([[6, 0], [7, 0]], '\n\n\n')
|
||||
expect(tokenizedBuffer.tokenizedLines[6]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[7]).toBeUndefined()
|
||||
expect(tokenizedBuffer.firstInvalidRow()).toBe(5)
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the buffer is fully tokenized', () => {
|
||||
beforeEach(() => fullyTokenize(tokenizedBuffer))
|
||||
|
||||
describe('when there is a buffer change that is smaller than the chunk size', () => {
|
||||
describe('when lines are updated, but none are added or removed', () => {
|
||||
it('updates tokens to reflect the change', () => {
|
||||
buffer.setTextInRange([[0, 0], [2, 0]], 'foo()\n7\n')
|
||||
|
||||
expect(tokenizedBuffer.tokenizedLines[0].tokens[1]).toEqual({value: '(', scopes: ['source.js', 'meta.function-call.js', 'meta.arguments.js', 'punctuation.definition.arguments.begin.bracket.round.js']})
|
||||
expect(tokenizedBuffer.tokenizedLines[1].tokens[0]).toEqual({value: '7', scopes: ['source.js', 'constant.numeric.decimal.js']})
|
||||
// line 2 is unchanged
|
||||
expect(tokenizedBuffer.tokenizedLines[2].tokens[1]).toEqual({value: 'if', scopes: ['source.js', 'keyword.control.js']})
|
||||
})
|
||||
|
||||
describe('when the change invalidates the tokenization of subsequent lines', () => {
|
||||
it('schedules the invalidated lines to be tokenized in the background', () => {
|
||||
buffer.insert([5, 30], '/* */')
|
||||
buffer.insert([2, 0], '/*')
|
||||
expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual(['source.js'])
|
||||
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[4].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[5].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
})
|
||||
})
|
||||
|
||||
it('resumes highlighting with the state of the previous line', () => {
|
||||
buffer.insert([0, 0], '/*')
|
||||
buffer.insert([5, 0], '*/')
|
||||
|
||||
buffer.insert([1, 0], 'var ')
|
||||
expect(tokenizedBuffer.tokenizedLines[1].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
})
|
||||
})
|
||||
|
||||
describe('when lines are both updated and removed', () => {
|
||||
it('updates tokens to reflect the change', () => {
|
||||
buffer.setTextInRange([[1, 0], [3, 0]], 'foo()')
|
||||
|
||||
// previous line 0 remains
|
||||
expect(tokenizedBuffer.tokenizedLines[0].tokens[0]).toEqual({value: 'var', scopes: ['source.js', 'storage.type.var.js']})
|
||||
|
||||
// previous line 3 should be combined with input to form line 1
|
||||
expect(tokenizedBuffer.tokenizedLines[1].tokens[0]).toEqual({value: 'foo', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js']})
|
||||
expect(tokenizedBuffer.tokenizedLines[1].tokens[6]).toEqual({value: '=', scopes: ['source.js', 'keyword.operator.assignment.js']})
|
||||
|
||||
// lines below deleted regions should be shifted upward
|
||||
expect(tokenizedBuffer.tokenizedLines[2].tokens[1]).toEqual({value: 'while', scopes: ['source.js', 'keyword.control.js']})
|
||||
expect(tokenizedBuffer.tokenizedLines[3].tokens[1]).toEqual({value: '=', scopes: ['source.js', 'keyword.operator.assignment.js']})
|
||||
expect(tokenizedBuffer.tokenizedLines[4].tokens[1]).toEqual({value: '<', scopes: ['source.js', 'keyword.operator.comparison.js']})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the change invalidates the tokenization of subsequent lines', () => {
|
||||
it('schedules the invalidated lines to be tokenized in the background', () => {
|
||||
buffer.insert([5, 30], '/* */')
|
||||
buffer.setTextInRange([[2, 0], [3, 0]], '/*')
|
||||
expect(tokenizedBuffer.tokenizedLines[2].tokens[0].scopes).toEqual(['source.js', 'comment.block.js', 'punctuation.definition.comment.begin.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual(['source.js'])
|
||||
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[4].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
})
|
||||
})
|
||||
|
||||
describe('when lines are both updated and inserted', () => {
|
||||
it('updates tokens to reflect the change', () => {
|
||||
buffer.setTextInRange([[1, 0], [2, 0]], 'foo()\nbar()\nbaz()\nquux()')
|
||||
|
||||
// previous line 0 remains
|
||||
expect(tokenizedBuffer.tokenizedLines[0].tokens[0]).toEqual({ value: 'var', scopes: ['source.js', 'storage.type.var.js']})
|
||||
|
||||
// 3 new lines inserted
|
||||
expect(tokenizedBuffer.tokenizedLines[1].tokens[0]).toEqual({value: 'foo', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js']})
|
||||
expect(tokenizedBuffer.tokenizedLines[2].tokens[0]).toEqual({value: 'bar', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js']})
|
||||
expect(tokenizedBuffer.tokenizedLines[3].tokens[0]).toEqual({value: 'baz', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js']})
|
||||
|
||||
// previous line 2 is joined with quux() on line 4
|
||||
expect(tokenizedBuffer.tokenizedLines[4].tokens[0]).toEqual({value: 'quux', scopes: ['source.js', 'meta.function-call.js', 'entity.name.function.js']})
|
||||
expect(tokenizedBuffer.tokenizedLines[4].tokens[4]).toEqual({value: 'if', scopes: ['source.js', 'keyword.control.js']})
|
||||
|
||||
// previous line 3 is pushed down to become line 5
|
||||
expect(tokenizedBuffer.tokenizedLines[5].tokens[3]).toEqual({value: '=', scopes: ['source.js', 'keyword.operator.assignment.js']})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the change invalidates the tokenization of subsequent lines', () => {
|
||||
it('schedules the invalidated lines to be tokenized in the background', () => {
|
||||
buffer.insert([5, 30], '/* */')
|
||||
buffer.insert([2, 0], '/*\nabcde\nabcder')
|
||||
expect(tokenizedBuffer.tokenizedLines[2].tokens[0].scopes).toEqual(['source.js', 'comment.block.js', 'punctuation.definition.comment.begin.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[3].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[4].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[5].tokens[0].scopes).toEqual(['source.js'])
|
||||
|
||||
advanceClock() // tokenize invalidated lines in background
|
||||
expect(tokenizedBuffer.tokenizedLines[5].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[6].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[7].tokens[0].scopes).toEqual(['source.js', 'comment.block.js'])
|
||||
expect(tokenizedBuffer.tokenizedLines[8].tokens[0].scopes).not.toBe(['source.js', 'comment.block.js'])
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when there is an insertion that is larger than the chunk size', () =>
|
||||
it('tokenizes the initial chunk synchronously, then tokenizes the remaining lines in the background', () => {
|
||||
const commentBlock = _.multiplyString('// a comment\n', tokenizedBuffer.chunkSize + 2)
|
||||
buffer.insert([0, 0], commentBlock)
|
||||
expect(tokenizedBuffer.tokenizedLines[0].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[4].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[5]).toBeUndefined()
|
||||
|
||||
advanceClock()
|
||||
expect(tokenizedBuffer.tokenizedLines[5].ruleStack != null).toBeTruthy()
|
||||
expect(tokenizedBuffer.tokenizedLines[6].ruleStack != null).toBeTruthy()
|
||||
})
|
||||
)
|
||||
|
||||
it('does not break out soft tabs across a scope boundary', () => {
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-gfm'))
|
||||
|
||||
runs(() => {
|
||||
tokenizedBuffer.setTabLength(4)
|
||||
tokenizedBuffer.setGrammar(atom.grammars.selectGrammar('.md'))
|
||||
buffer.setText(' <![]()\n ')
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
let length = 0
|
||||
for (let tag of tokenizedBuffer.tokenizedLines[1].tags) {
|
||||
if (tag > 0) { length += tag }
|
||||
}
|
||||
|
||||
expect(length).toBe(4)
|
||||
})
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the buffer contains hard-tabs', () => {
|
||||
beforeEach(() => {
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-coffee-script'))
|
||||
|
||||
runs(() => {
|
||||
buffer = atom.project.bufferForPathSync('sample-with-tabs.coffee')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.coffee'), tabLength: 2})
|
||||
startTokenizing(tokenizedBuffer)
|
||||
})
|
||||
})
|
||||
|
||||
afterEach(() => {
|
||||
tokenizedBuffer.destroy()
|
||||
buffer.release()
|
||||
})
|
||||
|
||||
describe('when the buffer is fully tokenized', () => {
|
||||
beforeEach(() => fullyTokenize(tokenizedBuffer))
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the grammar is tokenized', () => {
|
||||
it('emits the `tokenized` event', () => {
|
||||
let editor = null
|
||||
const tokenizedHandler = jasmine.createSpy('tokenized handler')
|
||||
|
||||
waitsForPromise(() => atom.workspace.open('sample.js').then(o => editor = o))
|
||||
|
||||
runs(() => {
|
||||
({ tokenizedBuffer } = editor)
|
||||
tokenizedBuffer.onDidTokenize(tokenizedHandler)
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedHandler.callCount).toBe(1)
|
||||
})
|
||||
})
|
||||
|
||||
it("doesn't re-emit the `tokenized` event when it is re-tokenized", () => {
|
||||
let editor = null
|
||||
const tokenizedHandler = jasmine.createSpy('tokenized handler')
|
||||
|
||||
waitsForPromise(() => atom.workspace.open('sample.js').then(o => editor = o))
|
||||
|
||||
runs(() => {
|
||||
({ tokenizedBuffer } = editor)
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
tokenizedBuffer.onDidTokenize(tokenizedHandler)
|
||||
editor.getBuffer().insert([0, 0], "'")
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedHandler).not.toHaveBeenCalled()
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the grammar is updated because a grammar it includes is activated', () => {
|
||||
it('re-emits the `tokenized` event', () => {
|
||||
let editor = null
|
||||
tokenizedBuffer = null
|
||||
const tokenizedHandler = jasmine.createSpy('tokenized handler')
|
||||
|
||||
waitsForPromise(() => atom.workspace.open('coffee.coffee').then(o => editor = o))
|
||||
|
||||
runs(() => {
|
||||
({ tokenizedBuffer } = editor)
|
||||
tokenizedBuffer.onDidTokenize(tokenizedHandler)
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
tokenizedHandler.reset()
|
||||
})
|
||||
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-coffee-script'))
|
||||
|
||||
runs(() => {
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedHandler.callCount).toBe(1)
|
||||
})
|
||||
})
|
||||
|
||||
it('retokenizes the buffer', () => {
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-ruby-on-rails'))
|
||||
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-ruby'))
|
||||
|
||||
runs(() => {
|
||||
buffer = atom.project.bufferForPathSync()
|
||||
buffer.setText("<div class='name'><%= User.find(2).full_name %></div>")
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.selectGrammar('test.erb'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
const {tokens} = tokenizedBuffer.tokenizedLines[0]
|
||||
expect(tokens[0]).toEqual({value: "<div class='name'>", scopes: ['text.html.ruby']})
|
||||
})
|
||||
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-html'))
|
||||
|
||||
runs(() => {
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
const {tokens} = tokenizedBuffer.tokenizedLines[0]
|
||||
expect(tokens[0]).toEqual({value: '<', scopes: ['text.html.ruby', 'meta.tag.block.any.html', 'punctuation.definition.tag.begin.html']})
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('.tokenForPosition(position)', () => {
|
||||
afterEach(() => {
|
||||
tokenizedBuffer.destroy()
|
||||
buffer.release()
|
||||
})
|
||||
|
||||
it('returns the correct token (regression)', () => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenForPosition([1, 0]).scopes).toEqual(['source.js'])
|
||||
expect(tokenizedBuffer.tokenForPosition([1, 1]).scopes).toEqual(['source.js'])
|
||||
expect(tokenizedBuffer.tokenForPosition([1, 2]).scopes).toEqual(['source.js', 'storage.type.var.js'])
|
||||
})
|
||||
})
|
||||
|
||||
describe('.bufferRangeForScopeAtPosition(selector, position)', () => {
|
||||
beforeEach(() => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
})
|
||||
|
||||
describe('when the selector does not match the token at the position', () =>
|
||||
it('returns a falsy value', () => expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.bogus', [0, 1])).toBeUndefined())
|
||||
)
|
||||
|
||||
describe('when the selector matches a single token at the position', () => {
|
||||
it('returns the range covered by the token', () => {
|
||||
expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.storage.type.var.js', [0, 1])).toEqual([[0, 0], [0, 3]])
|
||||
expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.storage.type.var.js', [0, 3])).toEqual([[0, 0], [0, 3]])
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the selector matches a run of multiple tokens at the position', () => {
|
||||
it('returns the range covered by all contiguous tokens (within a single line)', () => {
|
||||
expect(tokenizedBuffer.bufferRangeForScopeAtPosition('.function', [1, 18])).toEqual([[1, 6], [1, 28]])
|
||||
})
|
||||
})
|
||||
})
|
||||
|
||||
describe('.indentLevelForRow(row)', () => {
|
||||
beforeEach(() => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
})
|
||||
|
||||
describe('when the line is non-empty', () => {
|
||||
it('has an indent level based on the leading whitespace on the line', () => {
|
||||
expect(tokenizedBuffer.indentLevelForRow(0)).toBe(0)
|
||||
expect(tokenizedBuffer.indentLevelForRow(1)).toBe(1)
|
||||
expect(tokenizedBuffer.indentLevelForRow(2)).toBe(2)
|
||||
buffer.insert([2, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(2)).toBe(2.5)
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the line is empty', () => {
|
||||
it('assumes the indentation level of the first non-empty line below or above if one exists', () => {
|
||||
buffer.insert([12, 0], ' ')
|
||||
buffer.insert([12, Infinity], '\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe(2)
|
||||
expect(tokenizedBuffer.indentLevelForRow(14)).toBe(2)
|
||||
|
||||
buffer.insert([1, Infinity], '\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(2)).toBe(2)
|
||||
expect(tokenizedBuffer.indentLevelForRow(3)).toBe(2)
|
||||
|
||||
buffer.setText('\n\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(1)).toBe(0)
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the changed lines are surrounded by whitespace-only lines', () => {
|
||||
it('updates the indentLevel of empty lines that precede the change', () => {
|
||||
expect(tokenizedBuffer.indentLevelForRow(12)).toBe(0)
|
||||
|
||||
buffer.insert([12, 0], '\n')
|
||||
buffer.insert([13, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(12)).toBe(1)
|
||||
})
|
||||
|
||||
it('updates empty line indent guides when the empty line is the last line', () => {
|
||||
buffer.insert([12, 2], '\n')
|
||||
|
||||
// The newline and the tab need to be in two different operations to surface the bug
|
||||
buffer.insert([12, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe(1)
|
||||
|
||||
buffer.insert([12, 0], ' ')
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe(2)
|
||||
expect(tokenizedBuffer.tokenizedLines[14]).not.toBeDefined()
|
||||
})
|
||||
|
||||
it('updates the indentLevel of empty lines surrounding a change that inserts lines', () => {
|
||||
buffer.insert([7, 0], '\n\n')
|
||||
buffer.insert([5, 0], '\n\n')
|
||||
expect(tokenizedBuffer.indentLevelForRow(5)).toBe(3)
|
||||
expect(tokenizedBuffer.indentLevelForRow(6)).toBe(3)
|
||||
expect(tokenizedBuffer.indentLevelForRow(9)).toBe(3)
|
||||
expect(tokenizedBuffer.indentLevelForRow(10)).toBe(3)
|
||||
expect(tokenizedBuffer.indentLevelForRow(11)).toBe(2)
|
||||
|
||||
buffer.setTextInRange([[7, 0], [8, 65]], ' one\n two\n three\n four')
|
||||
expect(tokenizedBuffer.indentLevelForRow(5)).toBe(4)
|
||||
expect(tokenizedBuffer.indentLevelForRow(6)).toBe(4)
|
||||
expect(tokenizedBuffer.indentLevelForRow(11)).toBe(4)
|
||||
expect(tokenizedBuffer.indentLevelForRow(12)).toBe(4)
|
||||
expect(tokenizedBuffer.indentLevelForRow(13)).toBe(2)
|
||||
})
|
||||
|
||||
it('updates the indentLevel of empty lines surrounding a change that removes lines', () => {
|
||||
buffer.insert([7, 0], '\n\n')
|
||||
buffer.insert([5, 0], '\n\n')
|
||||
buffer.setTextInRange([[7, 0], [8, 65]], ' ok')
|
||||
expect(tokenizedBuffer.indentLevelForRow(5)).toBe(2)
|
||||
expect(tokenizedBuffer.indentLevelForRow(6)).toBe(2)
|
||||
expect(tokenizedBuffer.indentLevelForRow(7)).toBe(2) // new text
|
||||
expect(tokenizedBuffer.indentLevelForRow(8)).toBe(2)
|
||||
expect(tokenizedBuffer.indentLevelForRow(9)).toBe(2)
|
||||
expect(tokenizedBuffer.indentLevelForRow(10)).toBe(2)
|
||||
})
|
||||
})
|
||||
}) // }
|
||||
|
||||
describe('::isFoldableAtRow(row)', () => {
|
||||
beforeEach(() => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
buffer.insert([10, 0], ' // multi-line\n // comment\n // block\n')
|
||||
buffer.insert([0, 0], '// multi-line\n// comment\n// block\n')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
})
|
||||
|
||||
it('includes the first line of multi-line comments', () => {
|
||||
expect(tokenizedBuffer.isFoldableAtRow(0)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe(true) // because of indent
|
||||
expect(tokenizedBuffer.isFoldableAtRow(13)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(14)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(15)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(16)).toBe(false)
|
||||
|
||||
buffer.insert([0, Infinity], '\n')
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(0)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe(false)
|
||||
|
||||
buffer.undo()
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(0)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe(true)
|
||||
}) // because of indent
|
||||
|
||||
it('includes non-comment lines that precede an increase in indentation', () => {
|
||||
buffer.insert([2, 0], ' ') // commented lines preceding an indent aren't foldable
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(1)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(2)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(3)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(4)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(5)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe(false)
|
||||
|
||||
buffer.insert([7, 0], ' ')
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe(false)
|
||||
|
||||
buffer.undo()
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe(false)
|
||||
|
||||
buffer.insert([7, 0], ' \n x\n')
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe(false)
|
||||
|
||||
buffer.insert([9, 0], ' ')
|
||||
|
||||
expect(tokenizedBuffer.isFoldableAtRow(6)).toBe(true)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(7)).toBe(false)
|
||||
expect(tokenizedBuffer.isFoldableAtRow(8)).toBe(false)
|
||||
})
|
||||
})
|
||||
|
||||
describe('::tokenizedLineForRow(row)', () => {
|
||||
it("returns the tokenized line for a row, or a placeholder line if it hasn't been tokenized yet", () => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
const grammar = atom.grammars.grammarForScopeName('source.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar, tabLength: 2})
|
||||
const line0 = buffer.lineForRow(0)
|
||||
|
||||
const jsScopeStartId = grammar.startIdForScope(grammar.scopeName)
|
||||
const jsScopeEndId = grammar.endIdForScope(grammar.scopeName)
|
||||
startTokenizing(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).toEqual([jsScopeStartId, line0.length, jsScopeEndId])
|
||||
advanceClock(1)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).not.toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).not.toEqual([jsScopeStartId, line0.length, jsScopeEndId])
|
||||
|
||||
const nullScopeStartId = NullGrammar.startIdForScope(NullGrammar.scopeName)
|
||||
const nullScopeEndId = NullGrammar.endIdForScope(NullGrammar.scopeName)
|
||||
tokenizedBuffer.setGrammar(NullGrammar)
|
||||
startTokenizing(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).toEqual([nullScopeStartId, line0.length, nullScopeEndId])
|
||||
advanceClock(1)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).text).toBe(line0)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(0).tags).toEqual([nullScopeStartId, line0.length, nullScopeEndId])
|
||||
})
|
||||
|
||||
it('returns undefined if the requested row is outside the buffer range', () => {
|
||||
buffer = atom.project.bufferForPathSync('sample.js')
|
||||
const grammar = atom.grammars.grammarForScopeName('source.js')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar, tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLineForRow(999)).toBeUndefined()
|
||||
})
|
||||
})
|
||||
|
||||
describe('when the buffer is configured with the null grammar', () => {
|
||||
it('does not actually tokenize using the grammar', () => {
|
||||
spyOn(NullGrammar, 'tokenizeLine').andCallThrough()
|
||||
buffer = atom.project.bufferForPathSync('sample.will-use-the-null-grammar')
|
||||
buffer.setText('a\nb\nc')
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, tabLength: 2})
|
||||
const tokenizeCallback = jasmine.createSpy('onDidTokenize')
|
||||
tokenizedBuffer.onDidTokenize(tokenizeCallback)
|
||||
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[1]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[2]).toBeUndefined()
|
||||
expect(tokenizeCallback.callCount).toBe(0)
|
||||
expect(NullGrammar.tokenizeLine).not.toHaveBeenCalled()
|
||||
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
expect(tokenizedBuffer.tokenizedLines[0]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[1]).toBeUndefined()
|
||||
expect(tokenizedBuffer.tokenizedLines[2]).toBeUndefined()
|
||||
expect(tokenizeCallback.callCount).toBe(0)
|
||||
expect(NullGrammar.tokenizeLine).not.toHaveBeenCalled()
|
||||
})
|
||||
})
|
||||
|
||||
describe('text decoration layer API', () => {
|
||||
describe('iterator', () => {
|
||||
it('iterates over the syntactic scope boundaries', () => {
|
||||
buffer = new TextBuffer({text: 'var foo = 1 /*\nhello*/var bar = 2\n'})
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.js'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
const iterator = tokenizedBuffer.buildIterator()
|
||||
iterator.seek(Point(0, 0))
|
||||
|
||||
const expectedBoundaries = [
|
||||
{position: Point(0, 0), closeTags: [], openTags: ['syntax--source syntax--js', 'syntax--storage syntax--type syntax--var syntax--js']},
|
||||
{position: Point(0, 3), closeTags: ['syntax--storage syntax--type syntax--var syntax--js'], openTags: []},
|
||||
{position: Point(0, 8), closeTags: [], openTags: ['syntax--keyword syntax--operator syntax--assignment syntax--js']},
|
||||
{position: Point(0, 9), closeTags: ['syntax--keyword syntax--operator syntax--assignment syntax--js'], openTags: []},
|
||||
{position: Point(0, 10), closeTags: [], openTags: ['syntax--constant syntax--numeric syntax--decimal syntax--js']},
|
||||
{position: Point(0, 11), closeTags: ['syntax--constant syntax--numeric syntax--decimal syntax--js'], openTags: []},
|
||||
{position: Point(0, 12), closeTags: [], openTags: ['syntax--comment syntax--block syntax--js', 'syntax--punctuation syntax--definition syntax--comment syntax--begin syntax--js']},
|
||||
{position: Point(0, 14), closeTags: ['syntax--punctuation syntax--definition syntax--comment syntax--begin syntax--js'], openTags: []},
|
||||
{position: Point(1, 5), closeTags: [], openTags: ['syntax--punctuation syntax--definition syntax--comment syntax--end syntax--js']},
|
||||
{position: Point(1, 7), closeTags: ['syntax--punctuation syntax--definition syntax--comment syntax--end syntax--js', 'syntax--comment syntax--block syntax--js'], openTags: ['syntax--storage syntax--type syntax--var syntax--js']},
|
||||
{position: Point(1, 10), closeTags: ['syntax--storage syntax--type syntax--var syntax--js'], openTags: []},
|
||||
{position: Point(1, 15), closeTags: [], openTags: ['syntax--keyword syntax--operator syntax--assignment syntax--js']},
|
||||
{position: Point(1, 16), closeTags: ['syntax--keyword syntax--operator syntax--assignment syntax--js'], openTags: []},
|
||||
{position: Point(1, 17), closeTags: [], openTags: ['syntax--constant syntax--numeric syntax--decimal syntax--js']},
|
||||
{position: Point(1, 18), closeTags: ['syntax--constant syntax--numeric syntax--decimal syntax--js'], openTags: []}
|
||||
]
|
||||
|
||||
while (true) {
|
||||
const boundary = {
|
||||
position: iterator.getPosition(),
|
||||
closeTags: iterator.getCloseScopeIds().map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId)),
|
||||
openTags: iterator.getOpenScopeIds().map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))
|
||||
}
|
||||
|
||||
expect(boundary).toEqual(expectedBoundaries.shift())
|
||||
if (!iterator.moveToSuccessor()) { break }
|
||||
}
|
||||
|
||||
expect(iterator.seek(Point(0, 1)).map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
'syntax--source syntax--js',
|
||||
'syntax--storage syntax--type syntax--var syntax--js'
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(0, 3))
|
||||
expect(iterator.seek(Point(0, 8)).map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
'syntax--source syntax--js'
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(0, 8))
|
||||
expect(iterator.seek(Point(1, 0)).map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
'syntax--source syntax--js',
|
||||
'syntax--comment syntax--block syntax--js'
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(1, 0))
|
||||
expect(iterator.seek(Point(1, 18)).map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
'syntax--source syntax--js',
|
||||
'syntax--constant syntax--numeric syntax--decimal syntax--js'
|
||||
])
|
||||
expect(iterator.getPosition()).toEqual(Point(1, 18))
|
||||
|
||||
expect(iterator.seek(Point(2, 0)).map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))).toEqual([
|
||||
'syntax--source syntax--js'
|
||||
])
|
||||
iterator.moveToSuccessor()
|
||||
}) // ensure we don't infinitely loop (regression test)
|
||||
|
||||
it('does not report columns beyond the length of the line', () => {
|
||||
waitsForPromise(() => atom.packages.activatePackage('language-coffee-script'))
|
||||
|
||||
runs(() => {
|
||||
buffer = new TextBuffer({text: '# hello\n# world'})
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar: atom.grammars.grammarForScopeName('source.coffee'), tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
const iterator = tokenizedBuffer.buildIterator()
|
||||
iterator.seek(Point(0, 0))
|
||||
iterator.moveToSuccessor()
|
||||
iterator.moveToSuccessor()
|
||||
expect(iterator.getPosition().column).toBe(7)
|
||||
|
||||
iterator.moveToSuccessor()
|
||||
expect(iterator.getPosition().column).toBe(0)
|
||||
|
||||
iterator.seek(Point(0, 7))
|
||||
expect(iterator.getPosition().column).toBe(7)
|
||||
|
||||
iterator.seek(Point(0, 8))
|
||||
expect(iterator.getPosition().column).toBe(7)
|
||||
})
|
||||
})
|
||||
|
||||
it('correctly terminates scopes at the beginning of the line (regression)', () => {
|
||||
const grammar = atom.grammars.createGrammar('test', {
|
||||
'scopeName': 'text.broken',
|
||||
'name': 'Broken grammar',
|
||||
'patterns': [
|
||||
{'begin': 'start', 'end': '(?=end)', 'name': 'blue.broken'},
|
||||
{'match': '.', 'name': 'yellow.broken'}
|
||||
]
|
||||
})
|
||||
|
||||
buffer = new TextBuffer({text: 'start x\nend x\nx'})
|
||||
tokenizedBuffer = new TokenizedBuffer({buffer, grammar, tabLength: 2})
|
||||
fullyTokenize(tokenizedBuffer)
|
||||
|
||||
const iterator = tokenizedBuffer.buildIterator()
|
||||
iterator.seek(Point(1, 0))
|
||||
|
||||
expect(iterator.getPosition()).toEqual([1, 0])
|
||||
expect(iterator.getCloseScopeIds().map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))).toEqual(['syntax--blue syntax--broken'])
|
||||
expect(iterator.getOpenScopeIds().map(scopeId => tokenizedBuffer.classNameForScopeId(scopeId))).toEqual(['syntax--yellow syntax--broken'])
|
||||
})
|
||||
})
|
||||
})
|
||||
})
|
||||
Reference in New Issue
Block a user