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aca60c02c0
Use a projected state field for BibTeX entries in the editor GitOrigin-RevId: 5034be8bdc0cb4b9d854135ac117046c1b3750e7
56 lines
1.9 KiB
TypeScript
56 lines
1.9 KiB
TypeScript
import { expect } from 'chai'
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import { EditorState } from '@codemirror/state'
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import {
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ProjectionItem,
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updatePosition,
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} from '../../../../../frontend/js/features/source-editor/utils/tree-operations/projection'
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class TestItem extends ProjectionItem {}
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const itemAt = (
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from: number,
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to: number,
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line: number,
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toLine: number
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): TestItem => Object.assign(new TestItem(), { from, to, line, toLine })
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describe('updatePosition', function () {
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it('returns the same instance when positions and lines are unchanged', function () {
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const state = EditorState.create({ doc: 'first line\nsecond line' })
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const tr = state.update({ changes: { from: 0, to: 0, insert: '' } })
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const item = itemAt(11, 22, 2, 2)
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expect(updatePosition(item, tr)).to.equal(item)
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})
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it('refreshes both line and toLine after an upstream insert adds lines', function () {
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const state = EditorState.create({ doc: 'first line\nsecond line' })
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const tr = state.update({
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changes: { from: 0, to: 0, insert: 'top\nmiddle\n' },
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})
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// Item originally covered "second line" (lines 2..2) at offsets 11..22.
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const item = itemAt(11, 22, 2, 2)
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const updated = updatePosition(item, tr)
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expect(updated).to.not.equal(item)
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expect(updated.from).to.equal(22)
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expect(updated.to).to.equal(33)
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expect(updated.line).to.equal(4)
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expect(updated.toLine).to.equal(4)
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})
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it('refreshes line and toLine independently for multi-line items', function () {
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const state = EditorState.create({
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doc: 'a\nbb\nccc\ndddd\neeeee',
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})
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// Item covers "bb\nccc" at offsets 2..8, on lines 2..3.
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const item = itemAt(2, 8, 2, 3)
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const tr = state.update({
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changes: { from: 0, to: 0, insert: 'X\n' },
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})
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const updated = updatePosition(item, tr)
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expect(updated.from).to.equal(4)
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expect(updated.to).to.equal(10)
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expect(updated.line).to.equal(3)
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expect(updated.toLine).to.equal(4)
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})
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})
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