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feat(json-crdt-extensions): 馃幐 improve overlay point layer insertion
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121 changes: 121 additions & 0 deletions
121
src/json-crdt-extensions/peritext/overlay/__tests__/OverlayPoint.spec.ts
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import {Point} from "../../rga/Point"; | ||
import {setup} from "../../slice/__tests__/setup"; | ||
import {OverlayPoint} from "../OverlayPoint"; | ||
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const setupOverlayPoint = () => { | ||
const deps = setup(); | ||
const getPoint = (point: Point) => { | ||
return new OverlayPoint(deps.peritext.str, point.id, point.anchor); | ||
}; | ||
return { | ||
...deps, | ||
getPoint, | ||
}; | ||
}; | ||
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describe('layers', () => { | ||
test('can add a layer', () => { | ||
const {peritext, getPoint} = setupOverlayPoint(); | ||
const slice = peritext.slices.insOverwrite(peritext.rangeAt(5, 5), '<b>'); | ||
const point = getPoint(slice.start); | ||
expect(point.layers.length).toBe(0); | ||
point.addLayer(slice); | ||
expect(point.layers.length).toBe(1); | ||
expect(point.layers[0]).toBe(slice); | ||
}); | ||
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test('inserting same slice twice is a no-op', () => { | ||
const {peritext, getPoint} = setupOverlayPoint(); | ||
const slice = peritext.slices.insOverwrite(peritext.rangeAt(5, 5), '<b>'); | ||
const point = getPoint(slice.start); | ||
expect(point.layers.length).toBe(0); | ||
point.addLayer(slice); | ||
point.addLayer(slice); | ||
point.addLayer(slice); | ||
expect(point.layers.length).toBe(1); | ||
expect(point.layers[0]).toBe(slice); | ||
}); | ||
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test('can add two layers with the same start position', () => { | ||
const {peritext, getPoint} = setupOverlayPoint(); | ||
const slice1 = peritext.slices.insOverwrite(peritext.rangeAt(5, 5), '<b>'); | ||
const slice2 = peritext.slices.insOverwrite(peritext.rangeAt(5, 3), '<i>'); | ||
const point = getPoint(slice1.start); | ||
expect(point.layers.length).toBe(0); | ||
point.addLayer(slice1); | ||
expect(point.layers.length).toBe(1); | ||
point.addLayer(slice2); | ||
point.addLayer(slice2); | ||
expect(point.layers.length).toBe(2); | ||
expect(point.layers[0]).toBe(slice1); | ||
expect(point.layers[1]).toBe(slice2); | ||
}); | ||
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test('orders slices by their ID', () => { | ||
const {peritext, getPoint} = setupOverlayPoint(); | ||
const slice1 = peritext.slices.insOverwrite(peritext.rangeAt(5, 5), '<b>'); | ||
const slice2 = peritext.slices.insOverwrite(peritext.rangeAt(5, 3), '<i>'); | ||
const point = getPoint(slice1.start); | ||
point.addLayer(slice2); | ||
point.addLayer(slice1); | ||
expect(point.layers[0]).toBe(slice1); | ||
expect(point.layers[1]).toBe(slice2); | ||
}); | ||
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test('can add tree layers and sort them correctly', () => { | ||
const {peritext, getPoint} = setupOverlayPoint(); | ||
const slice1 = peritext.slices.insOverwrite(peritext.rangeAt(5, 5), '<b>'); | ||
const slice2 = peritext.slices.insOverwrite(peritext.rangeAt(5, 3), '<i>'); | ||
const slice3 = peritext.slices.insOverwrite(peritext.rangeAt(2, 10), '<u>'); | ||
const point = getPoint(slice1.start); | ||
point.addLayer(slice3); | ||
point.addLayer(slice3); | ||
point.addLayer(slice2); | ||
point.addLayer(slice3); | ||
point.addLayer(slice1); | ||
point.addLayer(slice3); | ||
point.addLayer(slice3); | ||
expect(point.layers.length).toBe(3); | ||
expect(point.layers[0]).toBe(slice1); | ||
expect(point.layers[1]).toBe(slice2); | ||
expect(point.layers[2]).toBe(slice3); | ||
}); | ||
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test('can add tree layers by appending them', () => { | ||
const {peritext, getPoint} = setupOverlayPoint(); | ||
const slice1 = peritext.slices.insOverwrite(peritext.rangeAt(5, 5), '<b>'); | ||
const slice2 = peritext.slices.insOverwrite(peritext.rangeAt(5, 3), '<i>'); | ||
const slice3 = peritext.slices.insOverwrite(peritext.rangeAt(2, 10), '<u>'); | ||
const point = getPoint(slice1.start); | ||
point.addLayer(slice1); | ||
point.addLayer(slice2); | ||
point.addLayer(slice3); | ||
expect(point.layers[0]).toBe(slice1); | ||
expect(point.layers[1]).toBe(slice2); | ||
expect(point.layers[2]).toBe(slice3); | ||
}); | ||
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test('can remove layers', () => { | ||
const {peritext, getPoint} = setupOverlayPoint(); | ||
const slice1 = peritext.slices.insOverwrite(peritext.rangeAt(5, 5), '<b>'); | ||
const slice2 = peritext.slices.insOverwrite(peritext.rangeAt(5, 3), '<i>'); | ||
const slice3 = peritext.slices.insOverwrite(peritext.rangeAt(2, 10), '<u>'); | ||
const point = getPoint(slice1.start); | ||
point.addLayer(slice2); | ||
point.addLayer(slice1); | ||
point.addLayer(slice1); | ||
point.addLayer(slice1); | ||
point.addLayer(slice3); | ||
expect(point.layers[0]).toBe(slice1); | ||
expect(point.layers[1]).toBe(slice2); | ||
expect(point.layers[2]).toBe(slice3); | ||
point.removeLayer(slice2); | ||
expect(point.layers[0]).toBe(slice1); | ||
expect(point.layers[1]).toBe(slice3); | ||
point.removeLayer(slice1); | ||
expect(point.layers[0]).toBe(slice3); | ||
point.removeLayer(slice1); | ||
point.removeLayer(slice3); | ||
expect(point.layers.length).toBe(0); | ||
}); | ||
}); |