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Merge branch 'snippets'
Conflicts: src/app/root-view.coffee
This commit is contained in:
Nathan Sobo
188
spec/extensions/snippets-spec.coffee
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188
spec/extensions/snippets-spec.coffee
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Snippets = require 'snippets'
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RootView = require 'root-view'
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Buffer = require 'buffer'
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Editor = require 'editor'
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_ = require 'underscore'
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fs = require 'fs'
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describe "Snippets extension", ->
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[buffer, editor] = []
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beforeEach ->
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rootView = new RootView(require.resolve('fixtures/sample.js'))
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rootView.activateExtension(Snippets)
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editor = rootView.activeEditor()
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buffer = editor.buffer
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rootView.simulateDomAttachment()
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rootView.enableKeymap()
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describe "when 'tab' is triggered on the editor", ->
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beforeEach ->
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Snippets.evalSnippets 'js', """
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snippet t1 "Snippet without tab stops"
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this is a test
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endsnippet
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snippet t2 "With tab stops"
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go here next:($2) and finally go here:($3)
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go here first:($1)
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endsnippet
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snippet t3 "With indented second line"
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line 1
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line 2$1
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endsnippet
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snippet t4 "With tab stop placeholders"
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go here ${1:first} and then here ${2:second}
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endsnippet
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"""
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describe "when the letters preceding the cursor trigger a snippet", ->
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describe "when the snippet contains no tab stops", ->
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it "replaces the prefix with the snippet text and places the cursor at its end", ->
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editor.insertText("t1")
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expect(editor.getCursorScreenPosition()).toEqual [0, 2]
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editor.trigger keydownEvent('tab', target: editor[0])
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expect(buffer.lineForRow(0)).toBe "this is a testvar quicksort = function () {"
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expect(editor.getCursorScreenPosition()).toEqual [0, 14]
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describe "when the snippet contains tab stops", ->
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it "places the cursor at the first tab-stop, and moves the cursor in response to 'next-tab-stop' events", ->
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anchorCountBefore = editor.activeEditSession.getAnchors().length
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editor.setCursorScreenPosition([2, 0])
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editor.insertText('t2')
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editor.trigger keydownEvent('tab', target: editor[0])
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expect(buffer.lineForRow(2)).toBe "go here next:() and finally go here:()"
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expect(buffer.lineForRow(3)).toBe "go here first:()"
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expect(buffer.lineForRow(4)).toBe " if (items.length <= 1) return items;"
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expect(editor.getSelectedBufferRange()).toEqual [[3, 15], [3, 15]]
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editor.trigger keydownEvent('tab', target: editor[0])
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expect(editor.getSelectedBufferRange()).toEqual [[2, 14], [2, 14]]
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editor.insertText 'abc'
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editor.trigger keydownEvent('tab', target: editor[0])
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expect(editor.getSelectedBufferRange()).toEqual [[2, 40], [2, 40]]
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# tab backwards
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editor.trigger keydownEvent('tab', shiftKey: true, target: editor[0])
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expect(editor.getSelectedBufferRange()).toEqual [[2, 14], [2, 17]] # should highlight text typed at tab stop
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editor.trigger keydownEvent('tab', shiftKey: true, target: editor[0])
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expect(editor.getSelectedBufferRange()).toEqual [[3, 15], [3, 15]]
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# shift-tab on first tab-stop does nothing
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editor.trigger keydownEvent('tab', shiftKey: true, target: editor[0])
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expect(editor.getCursorScreenPosition()).toEqual [3, 15]
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# tab through all tab stops, then tab on last stop to terminate snippet
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editor.trigger keydownEvent('tab', target: editor[0])
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editor.trigger keydownEvent('tab', target: editor[0])
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editor.trigger keydownEvent('tab', target: editor[0])
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expect(buffer.lineForRow(2)).toBe "go here next:(abc) and finally go here:( )"
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expect(editor.activeEditSession.getAnchors().length).toBe anchorCountBefore
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describe "when the tab stops have placeholder text", ->
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it "auto-fills the placeholder text and highlights it when navigating to that tab stop", ->
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editor.insertText 't4'
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editor.trigger 'snippets:expand'
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expect(buffer.lineForRow(0)).toBe 'go here first and then here second'
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expect(editor.getSelectedBufferRange()).toEqual [[0, 8], [0, 13]]
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describe "when the cursor is moved beyond the bounds of a tab stop", ->
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it "terminates the snippet on the next tab", ->
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editor.setCursorScreenPosition([2, 0])
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editor.insertText('t2')
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editor.trigger keydownEvent('tab', target: editor[0])
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editor.moveCursorRight()
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editor.trigger keydownEvent('tab', target: editor[0])
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expect(buffer.lineForRow(3)).toBe "go here first:() "
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expect(editor.getCursorBufferPosition()).toEqual [3, 18]
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# test we can terminate with shift-tab
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editor.setCursorScreenPosition([4, 0])
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editor.insertText('t2')
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editor.trigger keydownEvent('tab', target: editor[0])
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editor.trigger keydownEvent('tab', target: editor[0])
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editor.moveCursorRight()
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editor.trigger keydownEvent('tab', shiftKey: true, target: editor[0])
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expect(editor.getCursorBufferPosition()).toEqual [4, 15]
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describe "when a the start of the snippet is indented", ->
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it "indents the subsequent lines of the snippet to be even with the start of the first line", ->
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editor.setCursorScreenPosition([2, Infinity])
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editor.insertText ' t3'
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editor.trigger 'snippets:expand'
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expect(buffer.lineForRow(2)).toBe " if (items.length <= 1) return items; line 1"
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expect(buffer.lineForRow(3)).toBe " line 2"
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expect(editor.getCursorBufferPosition()).toEqual [3, 12]
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describe "when the letters preceding the cursor don't match a snippet", ->
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it "inserts a tab as normal", ->
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editor.insertText("xte")
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expect(editor.getCursorScreenPosition()).toEqual [0, 3]
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editor.trigger 'tab'
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expect(buffer.lineForRow(0)).toBe "xte var quicksort = function () {"
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expect(editor.getCursorScreenPosition()).toEqual [0, 5]
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describe ".loadSnippetsFile(path)", ->
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it "loads the snippets in the given file", ->
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spyOn(fs, 'read').andReturn """
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snippet t1 "Test snippet 1"
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this is a test 1
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endsnippet
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"""
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Snippets.loadSnippetsFile('/tmp/foo/js.snippets')
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expect(fs.read).toHaveBeenCalledWith('/tmp/foo/js.snippets')
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editor.insertText("t1")
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editor.trigger 'snippets:expand'
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expect(buffer.lineForRow(0)).toBe "this is a test 1var quicksort = function () {"
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describe "Snippets parser", ->
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it "can parse multiple snippets", ->
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snippets = Snippets.snippetsParser.parse """
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snippet t1 "Test snippet 1"
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this is a test 1
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endsnippet
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snippet t2 "Test snippet 2"
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this is a test 2
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endsnippet
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"""
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expect(_.keys(snippets).length).toBe 2
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snippet = snippets['t1']
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expect(snippet.prefix).toBe 't1'
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expect(snippet.description).toBe "Test snippet 1"
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expect(snippet.body).toBe "this is a test 1"
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snippet = snippets['t2']
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expect(snippet.prefix).toBe 't2'
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expect(snippet.description).toBe "Test snippet 2"
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expect(snippet.body).toBe "this is a test 2"
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it "can parse snippets with tabstops", ->
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snippets = Snippets.snippetsParser.parse """
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# this line intentially left blank.
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snippet t1 "Snippet with tab stops"
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go here next:($2) and finally go here:($3)
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go here first:($1)
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endsnippet
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"""
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snippet = snippets['t1']
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expect(snippet.body).toBe """
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go here next:() and finally go here:()
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go here first:()
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"""
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expect(snippet.tabStops).toEqual [[[1, 15], [1, 15]], [[0, 14], [0, 14]], [[0, 37], [0, 37]]]
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