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123 lines
5.0 KiB
CoffeeScript
123 lines
5.0 KiB
CoffeeScript
Autocomplete = require 'autocomplete'
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Buffer = require 'buffer'
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Editor = require 'editor'
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describe "Autocomplete", ->
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autocomplete = null
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editor = null
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beforeEach ->
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editor = new Editor()
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editor.setBuffer new Buffer(require.resolve('fixtures/sample.js'))
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autocomplete = new Autocomplete(editor)
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describe '.matches(prefix, suffix)', ->
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it 'returns matches on buffer starting with given prefix and ending with given suffix', ->
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matches = autocomplete.matches("s", "").map (match) -> match[0]
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expect(matches.length).toBe 2
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expect(matches).toContain("sort")
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expect(matches).toContain("shift")
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matches = autocomplete.matches("l", "t").map (match) -> match[0]
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expect(matches.length).toBe 1
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expect(matches).toContain("left")
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it 'ignores case when finding matches', ->
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matches = autocomplete.matches("S", "").map (match) -> match[0]
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expect(matches.length).toBe 2
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expect(matches).toContain("sort")
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expect(matches).toContain("shift")
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matches = autocomplete.matches("l", "t").map (match) -> match[0]
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expect(matches.length).toBe 1
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expect(matches).toContain("left")
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describe ".completeWordAtEditorCursorPosition()", ->
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describe "when no text is selected", ->
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it 'autocompletes word when there is only a prefix', ->
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editor.buffer.insert([10,0] ,"extra:s:extra")
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editor.setCursorBufferPosition([10,7])
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autocomplete.completeWordAtEditorCursorPosition()
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expect(editor.lineForBufferRow(10)).toBe "extra:sort:extra"
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expect(editor.getCursorBufferPosition()).toEqual [10,10]
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expect(editor.getSelection().getBufferRange()).toEqual [[10,7], [10,10]]
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it 'autocompletes word when there is only a suffix', ->
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editor.buffer.insert([10,0] ,"extra:e:extra")
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editor.setCursorBufferPosition([10,6])
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autocomplete.completeWordAtEditorCursorPosition()
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expect(editor.lineForBufferRow(10)).toBe "extra:while:extra"
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expect(editor.getCursorBufferPosition()).toEqual [10,10]
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expect(editor.getSelection().getBufferRange()).toEqual [[10,6], [10,10]]
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it 'autocompletes word when there is a prefix and suffix', ->
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editor.buffer.insert([8,43] ,"q")
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editor.setCursorBufferPosition([8,44])
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autocomplete.completeWordAtEditorCursorPosition()
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expect(editor.lineForBufferRow(8)).toBe " return sort(left).concat(pivot).concat(quicksort(right));"
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expect(editor.getCursorBufferPosition()).toEqual [8,48]
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expect(editor.getSelection().getBufferRange()).toEqual [[8,44], [8,48]]
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describe "when text is selected", ->
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it 'autocompletes word when there is only a prefix', ->
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editor.buffer.insert([10,0] ,"extra:sort:extra")
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editor.setSelectionBufferRange [[10,7], [10,10]]
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autocomplete.completeWordAtEditorCursorPosition()
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expect(editor.lineForBufferRow(10)).toBe "extra:shift:extra"
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expect(editor.getCursorBufferPosition()).toEqual [10,11]
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expect(editor.getSelection().getBufferRange()).toEqual [[10,7],[10,11]]
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it 'autocompletes word when there is only a suffix', ->
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editor.buffer.insert([10,0] ,"extra:current:extra")
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editor.setSelectionBufferRange [[10,6],[10,12]]
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autocomplete.completeWordAtEditorCursorPosition()
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expect(editor.lineForBufferRow(10)).toBe "extra:quicksort:extra"
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expect(editor.getCursorBufferPosition()).toEqual [10,14]
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expect(editor.getSelection().getBufferRange()).toEqual [[10,6],[10,14]]
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it 'autocompletes word when there is a prefix and suffix', ->
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editor.setSelectionBufferRange [[5,7],[5,12]]
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autocomplete.completeWordAtEditorCursorPosition()
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expect(editor.lineForBufferRow(5)).toBe " concat = items.shift();"
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expect(editor.getCursorBufferPosition()).toEqual [5,11]
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expect(editor.getSelection().getBufferRange()).toEqual [[5,7], [5,11]]
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describe 'when changes are made to the buffer', ->
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it 'updates word list', ->
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wordList = autocomplete.wordList
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expect(wordList).toContain "quicksort"
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expect(wordList).not.toContain "sauron"
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editor.buffer.change([[0,4],[0,13]], "sauron")
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wordList = autocomplete.wordList
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expect(wordList).not.toContain "quicksort"
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expect(wordList).toContain "sauron"
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describe "when editor's buffer is changed", ->
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it 'creates and uses a new word list based on new buffer', ->
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wordList = autocomplete.wordList
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expect(wordList).toContain "quicksort"
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expect(wordList).not.toContain "Some"
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editor.setBuffer new Buffer(require.resolve('fixtures/sample.txt'))
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wordList = autocomplete.wordList
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expect(wordList).not.toContain "quicksort"
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expect(wordList).toContain "Some"
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it 'stops listening to previous buffers change events', ->
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previousBuffer = editor.buffer
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editor.setBuffer new Buffer(require.resolve('fixtures/sample.txt'))
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spyOn(autocomplete, "buildWordList")
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previousBuffer.change([[0,0],[0,1]], "sauron")
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expect(autocomplete.buildWordList).not.toHaveBeenCalled()
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