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110 lines
3.7 KiB
JavaScript
110 lines
3.7 KiB
JavaScript
/**
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* Testing if encoding/decoding compatibility and integration compatibility is given.
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* We expect that the document always looks the same, even if we upgrade the integration algorithm, or add additional encoding approaches.
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*
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* The v1 documents were generated with Yjs v13.2.0 based on the randomisized tests.
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*/
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import * as Y from '../src/index.js'
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import * as t from 'lib0/testing'
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import * as delta from 'lib0/delta'
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/**
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* @param {t.TestCase} _tc
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*/
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export const testRelativePositions = _tc => {
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const ydoc = new Y.Doc()
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const ytext = ydoc.getText()
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ytext.insert(0, 'hello world')
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const v1 = Y.cloneDoc(ydoc)
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ytext.delete(1, 6)
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ytext.insert(1, 'x')
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const am = Y.createAttributionManagerFromDiff(v1, ydoc)
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const rel = Y.createRelativePositionFromTypeIndex(ytext, 9, 1, am) // pos after "hello wo"
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const abs1 = Y.createAbsolutePositionFromRelativePosition(rel, ydoc, true, am)
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const abs2 = Y.createAbsolutePositionFromRelativePosition(rel, ydoc, true)
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t.assert(abs1?.index === 9)
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t.assert(abs2?.index === 3)
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}
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/**
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* @param {t.TestCase} _tc
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*/
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export const testAttributedEvents = _tc => {
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const ydoc = new Y.Doc()
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const ytext = ydoc.getText()
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ytext.insert(0, 'hello world')
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const v1 = Y.cloneDoc(ydoc)
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ydoc.transact(() => {
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ytext.delete(6, 5)
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})
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const am = Y.createAttributionManagerFromDiff(v1, ydoc)
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const c1 = ytext.getContent(am)
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t.compare(c1, delta.text().insert('hello ').insert('world', null, { delete: [] }))
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let calledObserver = false
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ytext.observe(event => {
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const d = event.getDelta(am)
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t.compare(d, delta.text().retain(11).insert('!', null, { insert: [] }))
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calledObserver = true
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})
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ytext.insert(11, '!')
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t.assert(calledObserver)
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}
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/**
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* @param {t.TestCase} _tc
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*/
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export const testInsertionsMindingAttributedContent = _tc => {
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const ydoc = new Y.Doc()
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const ytext = ydoc.getText()
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ytext.insert(0, 'hello world')
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const v1 = Y.cloneDoc(ydoc)
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ydoc.transact(() => {
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ytext.delete(6, 5)
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})
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const am = Y.createAttributionManagerFromDiff(v1, ydoc)
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const c1 = ytext.getContent(am)
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t.compare(c1, delta.text().insert('hello ').insert('world', null, { delete: [] }))
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ytext.applyDelta(delta.text().retain(11).insert('content'), am)
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t.assert(ytext.toString() === 'hello content')
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}
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/**
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* @param {t.TestCase} _tc
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*/
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export const testInsertionsIntoAttributedContent = _tc => {
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const ydoc = new Y.Doc()
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const ytext = ydoc.getText()
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ytext.insert(0, 'hello ')
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const v1 = Y.cloneDoc(ydoc)
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ydoc.transact(() => {
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ytext.insert(6, 'word')
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})
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const am = Y.createAttributionManagerFromDiff(v1, ydoc)
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const c1 = ytext.getContent(am)
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t.compare(c1, delta.text().insert('hello ').insert('word', null, { insert: [] }))
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ytext.applyDelta(delta.text().retain(9).insert('l'), am)
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t.assert(ytext.toString() === 'hello world')
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}
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export const testYdocDiff = () => {
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const ydocStart = new Y.Doc()
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ydocStart.getText('text').insert(0, 'hello')
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ydocStart.getArray('array').insert(0, [1, 2, 3])
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ydocStart.getMap('map').set('k', 42)
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ydocStart.getMap('map').set('nested', new Y.Array())
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const ydocUpdated = Y.cloneDoc(ydocStart)
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ydocUpdated.getText('text').insert(5, ' world')
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ydocUpdated.getArray('array').insert(1, ['x'])
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ydocUpdated.getMap('map').set('newk', 42)
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ydocUpdated.getMap('map').get('nested').insert(0, [1])
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// @todo add custom attribution
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const d = Y.diffDocsToDelta(ydocStart, ydocUpdated)
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console.log('calculated diff', d.toJSON())
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t.compare(d, delta.create()
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.update('text', delta.create().retain(5).insert(' world', null, { insert: [] }))
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.update('array', delta.create().retain(1).insert(['x'], null, { insert: [] }))
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.update('map', delta.create().set('newk', 42, { insert: [] }).update('nested', delta.create().insert([1], null, { insert: [] })))
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)
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}
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