mirror of
https://github.com/pulsar-edit/pulsar.git
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190 lines
6.4 KiB
JavaScript
190 lines
6.4 KiB
JavaScript
/** @babel */
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import TokenizedBufferIterator from '../src/tokenized-buffer-iterator'
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import {Point} from 'text-buffer'
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describe('TokenizedBufferIterator', () => {
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describe('seek(position)', function () {
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it('seeks to the leftmost tag boundary greater than or equal to the given position and returns the containing tags', function () {
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const tokenizedBuffer = {
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tokenizedLineForRow (row) {
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if (row === 0) {
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return {
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tags: [-1, -2, -3, -4, -5, 3, -3, -4, -6, -5, 4, -6, -3, -4],
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text: 'foo bar',
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openScopes: []
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}
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} else {
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return null
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}
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},
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grammar: {
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scopeForId (id) {
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return {
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'-1': 'foo', '-2': 'foo',
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'-3': 'bar', '-4': 'bar',
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'-5': 'baz', '-6': 'baz'
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}[id]
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}
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}
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}
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const iterator = new TokenizedBufferIterator(tokenizedBuffer)
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expect(iterator.seek(Point(0, 0))).toEqual([])
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expect(iterator.getPosition()).toEqual(Point(0, 0))
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expect(iterator.getCloseTags()).toEqual([])
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expect(iterator.getOpenTags()).toEqual(['syntax--foo'])
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iterator.moveToSuccessor()
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expect(iterator.getCloseTags()).toEqual(['syntax--foo'])
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expect(iterator.getOpenTags()).toEqual(['syntax--bar'])
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expect(iterator.seek(Point(0, 1))).toEqual(['syntax--baz'])
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expect(iterator.getPosition()).toEqual(Point(0, 3))
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expect(iterator.getCloseTags()).toEqual([])
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expect(iterator.getOpenTags()).toEqual(['syntax--bar'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 3))
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expect(iterator.getCloseTags()).toEqual(['syntax--bar', 'syntax--baz'])
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expect(iterator.getOpenTags()).toEqual(['syntax--baz'])
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expect(iterator.seek(Point(0, 3))).toEqual(['syntax--baz'])
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expect(iterator.getPosition()).toEqual(Point(0, 3))
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expect(iterator.getCloseTags()).toEqual([])
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expect(iterator.getOpenTags()).toEqual(['syntax--bar'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 3))
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expect(iterator.getCloseTags()).toEqual(['syntax--bar', 'syntax--baz'])
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expect(iterator.getOpenTags()).toEqual(['syntax--baz'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 7))
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expect(iterator.getCloseTags()).toEqual(['syntax--baz'])
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expect(iterator.getOpenTags()).toEqual(['syntax--bar'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 7))
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expect(iterator.getCloseTags()).toEqual(['syntax--bar'])
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expect(iterator.getOpenTags()).toEqual([])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(1, 0))
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expect(iterator.getCloseTags()).toEqual([])
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expect(iterator.getOpenTags()).toEqual([])
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expect(iterator.seek(Point(0, 5))).toEqual(['syntax--baz'])
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expect(iterator.getPosition()).toEqual(Point(0, 7))
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expect(iterator.getCloseTags()).toEqual(['syntax--baz'])
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expect(iterator.getOpenTags()).toEqual(['syntax--bar'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 7))
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expect(iterator.getCloseTags()).toEqual(['syntax--bar'])
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expect(iterator.getOpenTags()).toEqual([])
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})
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})
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describe('moveToSuccessor()', function () {
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it('reports two boundaries at the same position when tags close, open, then close again without a non-negative integer separating them (regression)', () => {
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const tokenizedBuffer = {
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tokenizedLineForRow () {
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return {
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tags: [-1, -2, -1, -2],
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text: '',
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openScopes: []
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}
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},
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grammar: {
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scopeForId () {
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return 'foo'
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}
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}
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}
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const iterator = new TokenizedBufferIterator(tokenizedBuffer)
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iterator.seek(Point(0, 0))
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expect(iterator.getPosition()).toEqual(Point(0, 0))
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expect(iterator.getCloseTags()).toEqual([])
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expect(iterator.getOpenTags()).toEqual(['syntax--foo'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 0))
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expect(iterator.getCloseTags()).toEqual(['syntax--foo'])
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expect(iterator.getOpenTags()).toEqual(['syntax--foo'])
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iterator.moveToSuccessor()
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expect(iterator.getCloseTags()).toEqual(['syntax--foo'])
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expect(iterator.getOpenTags()).toEqual([])
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})
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it("reports a boundary at line end if the next line's open scopes don't match the containing tags for the current line", () => {
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const tokenizedBuffer = {
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tokenizedLineForRow (row) {
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if (row === 0) {
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return {
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tags: [-1, 3, -2, -3],
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text: 'bar',
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openScopes: []
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}
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} else if (row === 1) {
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return {
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tags: [3],
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text: 'baz',
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openScopes: [-1]
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}
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} else if (row === 2) {
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return {
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tags: [-2],
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text: '',
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openScopes: [-1]
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}
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}
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},
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grammar: {
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scopeForId (id) {
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if (id === -2 || id === -1) {
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return 'foo'
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} else if (id === -3) {
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return 'qux'
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}
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}
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}
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}
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const iterator = new TokenizedBufferIterator(tokenizedBuffer)
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iterator.seek(Point(0, 0))
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expect(iterator.getPosition()).toEqual(Point(0, 0))
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expect(iterator.getCloseTags()).toEqual([])
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expect(iterator.getOpenTags()).toEqual(['syntax--foo'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 3))
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expect(iterator.getCloseTags()).toEqual(['syntax--foo'])
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expect(iterator.getOpenTags()).toEqual(['syntax--qux'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(0, 3))
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expect(iterator.getCloseTags()).toEqual(['syntax--qux'])
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expect(iterator.getOpenTags()).toEqual([])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(1, 0))
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expect(iterator.getCloseTags()).toEqual([])
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expect(iterator.getOpenTags()).toEqual(['syntax--foo'])
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iterator.moveToSuccessor()
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expect(iterator.getPosition()).toEqual(Point(2, 0))
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expect(iterator.getCloseTags()).toEqual(['syntax--foo'])
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expect(iterator.getOpenTags()).toEqual([])
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})
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})
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})
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