mirror of
https://github.com/atom/atom.git
synced 2026-01-24 22:38:20 -05:00
542 lines
24 KiB
JavaScript
542 lines
24 KiB
JavaScript
const fs = require('fs')
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const temp = require('temp').track()
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const {Point, Range} = require('text-buffer')
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const {it, fit, ffit, fffit, beforeEach, afterEach} = require('./async-spec-helpers')
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const TextBuffer = require('text-buffer')
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const TextEditor = require('../src/text-editor')
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describe('TextEditor', () => {
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let editor
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afterEach(() => {
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editor.destroy()
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})
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describe('.shouldPromptToSave()', () => {
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beforeEach(async () => {
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editor = await atom.workspace.open('sample.js')
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jasmine.unspy(editor, 'shouldPromptToSave')
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})
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it('returns true when buffer has unsaved changes', () => {
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expect(editor.shouldPromptToSave()).toBeFalsy()
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editor.setText('changed')
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expect(editor.shouldPromptToSave()).toBeTruthy()
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})
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it("returns false when an editor's buffer is in use by more than one buffer", async () => {
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editor.setText('changed')
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atom.workspace.getActivePane().splitRight()
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const editor2 = await atom.workspace.open('sample.js', {autoIndent: false})
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expect(editor.shouldPromptToSave()).toBeFalsy()
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editor2.destroy()
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expect(editor.shouldPromptToSave()).toBeTruthy()
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})
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it('returns true when the window is closing if the file has changed on disk', async () => {
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jasmine.useRealClock()
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editor.setText('initial stuff')
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await editor.saveAs(temp.openSync('test-file').path)
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editor.setText('other stuff')
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fs.writeFileSync(editor.getPath(), 'new stuff')
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expect(editor.shouldPromptToSave({windowCloseRequested: true, projectHasPaths: true})).toBeFalsy()
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await new Promise(resolve => editor.onDidConflict(resolve))
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expect(editor.shouldPromptToSave({windowCloseRequested: true, projectHasPaths: true})).toBeTruthy()
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})
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it('returns false when the window is closing and the project has one or more directory paths', () => {
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editor.setText('changed')
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expect(editor.shouldPromptToSave({windowCloseRequested: true, projectHasPaths: true})).toBeFalsy()
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})
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it('returns false when the window is closing and the project has no directory paths', () => {
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editor.setText('changed')
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expect(editor.shouldPromptToSave({windowCloseRequested: true, projectHasPaths: false})).toBeTruthy()
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})
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})
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describe('.toggleLineCommentsInSelection()', () => {
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beforeEach(async () => {
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await atom.packages.activatePackage('language-javascript')
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editor = await atom.workspace.open('sample.js')
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})
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it('toggles comments on the selected lines', () => {
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editor.setSelectedBufferRange([[4, 5], [7, 5]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(4)).toBe(' // while(items.length > 0) {')
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expect(editor.lineTextForBufferRow(5)).toBe(' // current = items.shift();')
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expect(editor.lineTextForBufferRow(6)).toBe(' // current < pivot ? left.push(current) : right.push(current);')
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expect(editor.lineTextForBufferRow(7)).toBe(' // }')
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expect(editor.getSelectedBufferRange()).toEqual([[4, 8], [7, 8]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(4)).toBe(' while(items.length > 0) {')
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expect(editor.lineTextForBufferRow(5)).toBe(' current = items.shift();')
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expect(editor.lineTextForBufferRow(6)).toBe(' current < pivot ? left.push(current) : right.push(current);')
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expect(editor.lineTextForBufferRow(7)).toBe(' }')
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})
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it('does not comment the last line of a non-empty selection if it ends at column 0', () => {
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editor.setSelectedBufferRange([[4, 5], [7, 0]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(4)).toBe(' // while(items.length > 0) {')
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expect(editor.lineTextForBufferRow(5)).toBe(' // current = items.shift();')
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expect(editor.lineTextForBufferRow(6)).toBe(' // current < pivot ? left.push(current) : right.push(current);')
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expect(editor.lineTextForBufferRow(7)).toBe(' }')
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})
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it('uncomments lines if all lines match the comment regex', () => {
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editor.setSelectedBufferRange([[0, 0], [0, 1]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(0)).toBe('// var quicksort = function () {')
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editor.setSelectedBufferRange([[0, 0], [2, Infinity]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(0)).toBe('// // var quicksort = function () {')
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expect(editor.lineTextForBufferRow(1)).toBe('// var sort = function(items) {')
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expect(editor.lineTextForBufferRow(2)).toBe('// if (items.length <= 1) return items;')
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editor.setSelectedBufferRange([[0, 0], [2, Infinity]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(0)).toBe('// var quicksort = function () {')
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expect(editor.lineTextForBufferRow(1)).toBe(' var sort = function(items) {')
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expect(editor.lineTextForBufferRow(2)).toBe(' if (items.length <= 1) return items;')
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editor.setSelectedBufferRange([[0, 0], [0, Infinity]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(0)).toBe('var quicksort = function () {')
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})
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it('uncomments commented lines separated by an empty line', () => {
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editor.setSelectedBufferRange([[0, 0], [1, Infinity]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(0)).toBe('// var quicksort = function () {')
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expect(editor.lineTextForBufferRow(1)).toBe('// var sort = function(items) {')
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editor.getBuffer().insert([0, Infinity], '\n')
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editor.setSelectedBufferRange([[0, 0], [2, Infinity]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(0)).toBe('var quicksort = function () {')
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expect(editor.lineTextForBufferRow(1)).toBe('')
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expect(editor.lineTextForBufferRow(2)).toBe(' var sort = function(items) {')
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})
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it('preserves selection emptiness', () => {
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editor.setCursorBufferPosition([4, 0])
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editor.toggleLineCommentsInSelection()
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expect(editor.getLastSelection().isEmpty()).toBeTruthy()
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})
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it('does not explode if the current language mode has no comment regex', () => {
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const editor = new TextEditor({buffer: new TextBuffer({text: 'hello'})})
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editor.setSelectedBufferRange([[0, 0], [0, 5]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(0)).toBe('hello')
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})
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it('does nothing for empty lines and null grammar', () => {
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editor.setGrammar(atom.grammars.grammarForScopeName('text.plain.null-grammar'))
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editor.setCursorBufferPosition([10, 0])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(10)).toBe('')
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})
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it('uncomments when the line lacks the trailing whitespace in the comment regex', () => {
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editor.setCursorBufferPosition([10, 0])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(10)).toBe('// ')
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expect(editor.getSelectedBufferRange()).toEqual([[10, 3], [10, 3]])
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editor.backspace()
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expect(editor.lineTextForBufferRow(10)).toBe('//')
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(10)).toBe('')
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expect(editor.getSelectedBufferRange()).toEqual([[10, 0], [10, 0]])
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})
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it('uncomments when the line has leading whitespace', () => {
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editor.setCursorBufferPosition([10, 0])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(10)).toBe('// ')
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editor.moveToBeginningOfLine()
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editor.insertText(' ')
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editor.setSelectedBufferRange([[10, 0], [10, 0]])
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editor.toggleLineCommentsInSelection()
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expect(editor.lineTextForBufferRow(10)).toBe(' ')
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})
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})
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describe('.toggleLineCommentsForBufferRows', () => {
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describe('xml', () => {
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beforeEach(async () => {
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await atom.packages.activatePackage('language-xml')
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editor = await atom.workspace.open('test.xml')
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editor.setText('<!-- test -->')
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})
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it('removes the leading whitespace from the comment end pattern match when uncommenting lines', () => {
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editor.toggleLineCommentsForBufferRows(0, 0)
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expect(editor.lineTextForBufferRow(0)).toBe('test')
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})
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})
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describe('less', () => {
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beforeEach(async () => {
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await atom.packages.activatePackage('language-less')
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await atom.packages.activatePackage('language-css')
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editor = await atom.workspace.open('sample.less')
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})
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it('only uses the `commentEnd` pattern if it comes from the same grammar as the `commentStart` when commenting lines', () => {
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editor.toggleLineCommentsForBufferRows(0, 0)
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expect(editor.lineTextForBufferRow(0)).toBe('// @color: #4D926F;')
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})
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})
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describe('css', () => {
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beforeEach(async () => {
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await atom.packages.activatePackage('language-css')
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editor = await atom.workspace.open('css.css')
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})
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it('comments/uncomments lines in the given range', () => {
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editor.toggleLineCommentsForBufferRows(0, 1)
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expect(editor.lineTextForBufferRow(0)).toBe('/* body {')
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expect(editor.lineTextForBufferRow(1)).toBe(' font-size: 1234px; */')
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expect(editor.lineTextForBufferRow(2)).toBe(' width: 110%;')
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expect(editor.lineTextForBufferRow(3)).toBe(' font-weight: bold !important;')
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editor.toggleLineCommentsForBufferRows(2, 2)
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expect(editor.lineTextForBufferRow(0)).toBe('/* body {')
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expect(editor.lineTextForBufferRow(1)).toBe(' font-size: 1234px; */')
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expect(editor.lineTextForBufferRow(2)).toBe(' /* width: 110%; */')
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expect(editor.lineTextForBufferRow(3)).toBe(' font-weight: bold !important;')
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editor.toggleLineCommentsForBufferRows(0, 1)
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expect(editor.lineTextForBufferRow(0)).toBe('body {')
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expect(editor.lineTextForBufferRow(1)).toBe(' font-size: 1234px;')
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expect(editor.lineTextForBufferRow(2)).toBe(' /* width: 110%; */')
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expect(editor.lineTextForBufferRow(3)).toBe(' font-weight: bold !important;')
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})
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it('uncomments lines with leading whitespace', () => {
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editor.setTextInBufferRange([[2, 0], [2, Infinity]], ' /* width: 110%; */')
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editor.toggleLineCommentsForBufferRows(2, 2)
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expect(editor.lineTextForBufferRow(2)).toBe(' width: 110%;')
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})
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it('uncomments lines with trailing whitespace', () => {
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editor.setTextInBufferRange([[2, 0], [2, Infinity]], '/* width: 110%; */ ')
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editor.toggleLineCommentsForBufferRows(2, 2)
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expect(editor.lineTextForBufferRow(2)).toBe('width: 110%; ')
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})
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it('uncomments lines with leading and trailing whitespace', () => {
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editor.setTextInBufferRange([[2, 0], [2, Infinity]], ' /* width: 110%; */ ')
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editor.toggleLineCommentsForBufferRows(2, 2)
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expect(editor.lineTextForBufferRow(2)).toBe(' width: 110%; ')
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})
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})
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describe('coffeescript', () => {
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beforeEach(async () => {
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await atom.packages.activatePackage('language-coffee-script')
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editor = await atom.workspace.open('coffee.coffee')
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})
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it('comments/uncomments lines in the given range', () => {
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editor.toggleLineCommentsForBufferRows(4, 6)
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expect(editor.lineTextForBufferRow(4)).toBe(' # pivot = items.shift()')
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expect(editor.lineTextForBufferRow(5)).toBe(' # left = []')
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expect(editor.lineTextForBufferRow(6)).toBe(' # right = []')
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editor.toggleLineCommentsForBufferRows(4, 5)
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expect(editor.lineTextForBufferRow(4)).toBe(' pivot = items.shift()')
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expect(editor.lineTextForBufferRow(5)).toBe(' left = []')
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expect(editor.lineTextForBufferRow(6)).toBe(' # right = []')
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})
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it('comments/uncomments empty lines', () => {
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editor.toggleLineCommentsForBufferRows(4, 7)
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expect(editor.lineTextForBufferRow(4)).toBe(' # pivot = items.shift()')
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expect(editor.lineTextForBufferRow(5)).toBe(' # left = []')
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expect(editor.lineTextForBufferRow(6)).toBe(' # right = []')
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expect(editor.lineTextForBufferRow(7)).toBe(' # ')
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editor.toggleLineCommentsForBufferRows(4, 5)
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expect(editor.lineTextForBufferRow(4)).toBe(' pivot = items.shift()')
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expect(editor.lineTextForBufferRow(5)).toBe(' left = []')
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expect(editor.lineTextForBufferRow(6)).toBe(' # right = []')
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expect(editor.lineTextForBufferRow(7)).toBe(' # ')
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})
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})
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describe('javascript', () => {
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beforeEach(async () => {
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await atom.packages.activatePackage('language-javascript')
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editor = await atom.workspace.open('sample.js')
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})
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it('comments/uncomments lines in the given range', () => {
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editor.toggleLineCommentsForBufferRows(4, 7)
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expect(editor.lineTextForBufferRow(4)).toBe(' // while(items.length > 0) {')
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expect(editor.lineTextForBufferRow(5)).toBe(' // current = items.shift();')
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expect(editor.lineTextForBufferRow(6)).toBe(' // current < pivot ? left.push(current) : right.push(current);')
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expect(editor.lineTextForBufferRow(7)).toBe(' // }')
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editor.toggleLineCommentsForBufferRows(4, 5)
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expect(editor.lineTextForBufferRow(4)).toBe(' while(items.length > 0) {')
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expect(editor.lineTextForBufferRow(5)).toBe(' current = items.shift();')
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expect(editor.lineTextForBufferRow(6)).toBe(' // current < pivot ? left.push(current) : right.push(current);')
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expect(editor.lineTextForBufferRow(7)).toBe(' // }')
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editor.setText('\tvar i;')
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editor.toggleLineCommentsForBufferRows(0, 0)
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expect(editor.lineTextForBufferRow(0)).toBe('\t// var i;')
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editor.setText('var i;')
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editor.toggleLineCommentsForBufferRows(0, 0)
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expect(editor.lineTextForBufferRow(0)).toBe('// var i;')
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editor.setText(' var i;')
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editor.toggleLineCommentsForBufferRows(0, 0)
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expect(editor.lineTextForBufferRow(0)).toBe(' // var i;')
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editor.setText(' ')
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editor.toggleLineCommentsForBufferRows(0, 0)
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expect(editor.lineTextForBufferRow(0)).toBe(' // ')
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editor.setText(' a\n \n b')
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editor.toggleLineCommentsForBufferRows(0, 2)
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expect(editor.lineTextForBufferRow(0)).toBe(' // a')
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expect(editor.lineTextForBufferRow(1)).toBe(' // ')
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expect(editor.lineTextForBufferRow(2)).toBe(' // b')
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editor.setText(' \n // var i;')
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editor.toggleLineCommentsForBufferRows(0, 1)
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expect(editor.lineTextForBufferRow(0)).toBe(' ')
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expect(editor.lineTextForBufferRow(1)).toBe(' var i;')
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})
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})
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})
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describe('folding', () => {
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beforeEach(async () => {
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await atom.packages.activatePackage('language-javascript')
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})
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it('maintains cursor buffer position when a folding/unfolding', async () => {
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editor = await atom.workspace.open('sample.js', {autoIndent: false})
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editor.setCursorBufferPosition([5, 5])
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editor.foldAll()
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expect(editor.getCursorBufferPosition()).toEqual([5, 5])
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})
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describe('.unfoldAll()', () => {
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it('unfolds every folded line', async () => {
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editor = await atom.workspace.open('sample.js', {autoIndent: false})
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const initialScreenLineCount = editor.getScreenLineCount()
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editor.foldBufferRow(0)
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editor.foldBufferRow(1)
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expect(editor.getScreenLineCount()).toBeLessThan(initialScreenLineCount)
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editor.unfoldAll()
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expect(editor.getScreenLineCount()).toBe(initialScreenLineCount)
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})
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it('unfolds every folded line with comments', async () => {
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editor = await atom.workspace.open('sample-with-comments.js', {autoIndent: false})
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const initialScreenLineCount = editor.getScreenLineCount()
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editor.foldBufferRow(0)
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editor.foldBufferRow(5)
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expect(editor.getScreenLineCount()).toBeLessThan(initialScreenLineCount)
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editor.unfoldAll()
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expect(editor.getScreenLineCount()).toBe(initialScreenLineCount)
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})
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})
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describe('.foldAll()', () => {
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it('folds every foldable line', async () => {
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editor = await atom.workspace.open('sample.js', {autoIndent: false})
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editor.foldAll()
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const [fold1, fold2, fold3] = editor.unfoldAll()
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expect([fold1.start.row, fold1.end.row]).toEqual([0, 12])
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expect([fold2.start.row, fold2.end.row]).toEqual([1, 9])
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expect([fold3.start.row, fold3.end.row]).toEqual([4, 7])
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})
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it('works with multi-line comments', async () => {
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editor = await atom.workspace.open('sample-with-comments.js', {autoIndent: false})
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editor.foldAll()
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const folds = editor.unfoldAll()
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expect(folds.length).toBe(8)
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expect([folds[0].start.row, folds[0].end.row]).toEqual([0, 30])
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expect([folds[1].start.row, folds[1].end.row]).toEqual([1, 4])
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expect([folds[2].start.row, folds[2].end.row]).toEqual([5, 27])
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expect([folds[3].start.row, folds[3].end.row]).toEqual([6, 8])
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expect([folds[4].start.row, folds[4].end.row]).toEqual([11, 16])
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expect([folds[5].start.row, folds[5].end.row]).toEqual([17, 20])
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expect([folds[6].start.row, folds[6].end.row]).toEqual([21, 22])
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expect([folds[7].start.row, folds[7].end.row]).toEqual([24, 25])
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})
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})
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describe('.foldBufferRow(bufferRow)', () => {
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beforeEach(async () => {
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editor = await atom.workspace.open('sample.js')
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})
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describe('when bufferRow can be folded', () => {
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it('creates a fold based on the syntactic region starting at the given row', () => {
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editor.foldBufferRow(1)
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const [fold] = editor.unfoldAll()
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expect([fold.start.row, fold.end.row]).toEqual([1, 9])
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})
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})
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describe("when bufferRow can't be folded", () => {
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it('searches upward for the first row that begins a syntactic region containing the given buffer row (and folds it)', () => {
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editor.foldBufferRow(8)
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const [fold] = editor.unfoldAll()
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expect([fold.start.row, fold.end.row]).toEqual([1, 9])
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})
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})
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describe('when the bufferRow is already folded', () => {
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it('searches upward for the first row that begins a syntactic region containing the folded row (and folds it)', () => {
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editor.foldBufferRow(2)
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expect(editor.isFoldedAtBufferRow(0)).toBe(false)
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expect(editor.isFoldedAtBufferRow(1)).toBe(true)
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editor.foldBufferRow(1)
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expect(editor.isFoldedAtBufferRow(0)).toBe(true)
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})
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})
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describe('when the bufferRow is in a multi-line comment', () => {
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it('searches upward and downward for surrounding comment lines and folds them as a single fold', () => {
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editor.buffer.insert([1, 0], ' //this is a comment\n // and\n //more docs\n\n//second comment')
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|
editor.foldBufferRow(1)
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const [fold] = editor.unfoldAll()
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expect([fold.start.row, fold.end.row]).toEqual([1, 3])
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})
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|
})
|
|
|
|
describe('when the bufferRow is a single-line comment', () => {
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it('searches upward for the first row that begins a syntactic region containing the folded row (and folds it)', () => {
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|
editor.buffer.insert([1, 0], ' //this is a single line comment\n')
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|
editor.foldBufferRow(1)
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|
const [fold] = editor.unfoldAll()
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|
expect([fold.start.row, fold.end.row]).toEqual([0, 13])
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|
})
|
|
})
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|
})
|
|
|
|
describe('.foldCurrentRow()', () => {
|
|
it('creates a fold at the location of the last cursor', async () => {
|
|
editor = await atom.workspace.open()
|
|
editor.setText('\nif (x) {\n y()\n}')
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|
editor.setCursorBufferPosition([1, 0])
|
|
expect(editor.getScreenLineCount()).toBe(4)
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|
editor.foldCurrentRow()
|
|
expect(editor.getScreenLineCount()).toBe(3)
|
|
})
|
|
|
|
it('does nothing when the current row cannot be folded', async () => {
|
|
editor = await atom.workspace.open()
|
|
editor.setText('var x;\nx++\nx++')
|
|
editor.setCursorBufferPosition([0, 0])
|
|
expect(editor.getScreenLineCount()).toBe(3)
|
|
editor.foldCurrentRow()
|
|
expect(editor.getScreenLineCount()).toBe(3)
|
|
})
|
|
})
|
|
|
|
describe('.foldAllAtIndentLevel(indentLevel)', () => {
|
|
it('folds blocks of text at the given indentation level', async () => {
|
|
editor = await atom.workspace.open('sample.js', {autoIndent: false})
|
|
|
|
editor.foldAllAtIndentLevel(0)
|
|
expect(editor.lineTextForScreenRow(0)).toBe(`var quicksort = function () {${editor.displayLayer.foldCharacter}`)
|
|
expect(editor.getLastScreenRow()).toBe(0)
|
|
|
|
editor.foldAllAtIndentLevel(1)
|
|
expect(editor.lineTextForScreenRow(0)).toBe('var quicksort = function () {')
|
|
expect(editor.lineTextForScreenRow(1)).toBe(` var sort = function(items) {${editor.displayLayer.foldCharacter}`)
|
|
expect(editor.getLastScreenRow()).toBe(4)
|
|
|
|
editor.foldAllAtIndentLevel(2)
|
|
expect(editor.lineTextForScreenRow(0)).toBe('var quicksort = function () {')
|
|
expect(editor.lineTextForScreenRow(1)).toBe(' var sort = function(items) {')
|
|
expect(editor.lineTextForScreenRow(2)).toBe(' if (items.length <= 1) return items;')
|
|
expect(editor.getLastScreenRow()).toBe(9)
|
|
})
|
|
|
|
it('folds every foldable range at a given indentLevel', async () => {
|
|
editor = await atom.workspace.open('sample-with-comments.js', {autoIndent: false})
|
|
|
|
editor.foldAllAtIndentLevel(2)
|
|
const folds = editor.unfoldAll()
|
|
expect(folds.length).toBe(5)
|
|
expect([folds[0].start.row, folds[0].end.row]).toEqual([6, 8])
|
|
expect([folds[1].start.row, folds[1].end.row]).toEqual([11, 16])
|
|
expect([folds[2].start.row, folds[2].end.row]).toEqual([17, 20])
|
|
expect([folds[3].start.row, folds[3].end.row]).toEqual([21, 22])
|
|
expect([folds[4].start.row, folds[4].end.row]).toEqual([24, 25])
|
|
})
|
|
|
|
it('does not fold anything but the indentLevel', async () => {
|
|
editor = await atom.workspace.open('sample-with-comments.js', {autoIndent: false})
|
|
|
|
editor.foldAllAtIndentLevel(0)
|
|
const folds = editor.unfoldAll()
|
|
expect(folds.length).toBe(1)
|
|
expect([folds[0].start.row, folds[0].end.row]).toEqual([0, 30])
|
|
})
|
|
})
|
|
|
|
describe('.isFoldableAtBufferRow(bufferRow)', () => {
|
|
it('returns true if the line starts a multi-line comment', async () => {
|
|
editor = await atom.workspace.open('sample-with-comments.js')
|
|
|
|
expect(editor.isFoldableAtBufferRow(1)).toBe(true)
|
|
expect(editor.isFoldableAtBufferRow(6)).toBe(true)
|
|
expect(editor.isFoldableAtBufferRow(8)).toBe(false)
|
|
expect(editor.isFoldableAtBufferRow(11)).toBe(true)
|
|
expect(editor.isFoldableAtBufferRow(15)).toBe(false)
|
|
expect(editor.isFoldableAtBufferRow(17)).toBe(true)
|
|
expect(editor.isFoldableAtBufferRow(21)).toBe(true)
|
|
expect(editor.isFoldableAtBufferRow(24)).toBe(true)
|
|
expect(editor.isFoldableAtBufferRow(28)).toBe(false)
|
|
})
|
|
|
|
it('returns true for lines that end with a comment and are followed by an indented line', async () => {
|
|
editor = await atom.workspace.open('sample-with-comments.js')
|
|
|
|
expect(editor.isFoldableAtBufferRow(5)).toBe(true)
|
|
})
|
|
|
|
it("does not return true for a line in the middle of a comment that's followed by an indented line", async () => {
|
|
editor = await atom.workspace.open('sample-with-comments.js')
|
|
|
|
expect(editor.isFoldableAtBufferRow(7)).toBe(false)
|
|
editor.buffer.insert([8, 0], ' ')
|
|
expect(editor.isFoldableAtBufferRow(7)).toBe(false)
|
|
})
|
|
})
|
|
})
|
|
})
|