223 lines
6.8 KiB
JavaScript
223 lines
6.8 KiB
JavaScript
import { init, compare, applyRandomTests, Doc } from './testHelper.js' // eslint-disable-line
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import {
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UndoManager
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} from '../src/internals.js'
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import * as Y from '../src/index.js'
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import * as t from 'lib0/testing.js'
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/**
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* @param {t.TestCase} tc
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*/
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export const testUndoText = tc => {
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const { testConnector, text0, text1 } = init(tc, { users: 3 })
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const undoManager = new UndoManager(text0)
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text0.insert(0, 'abc')
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text1.insert(0, 'xyz')
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testConnector.syncAll()
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undoManager.undo()
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t.assert(text0.toString() === 'xyz')
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undoManager.redo()
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t.assert(text0.toString() === 'abcxyz')
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testConnector.syncAll()
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text1.delete(0, 1)
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testConnector.syncAll()
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undoManager.undo()
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t.assert(text0.toString() === 'xyz')
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undoManager.redo()
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t.assert(text0.toString() === 'bcxyz')
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// test marks
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text0.format(1, 3, { bold: true })
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t.compare(text0.toDelta(), [{ insert: 'b' }, { insert: 'cxy', attributes: { bold: true } }, { insert: 'z' }])
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undoManager.undo()
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t.compare(text0.toDelta(), [{ insert: 'bcxyz' }])
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undoManager.redo()
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t.compare(text0.toDelta(), [{ insert: 'b' }, { insert: 'cxy', attributes: { bold: true } }, { insert: 'z' }])
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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 testUndoMap = tc => {
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const { testConnector, map0, map1 } = init(tc, { users: 2 })
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map0.set('a', 0)
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const undoManager = new UndoManager(map0)
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map0.set('a', 1)
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undoManager.undo()
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t.assert(map0.get('a') === 0)
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undoManager.redo()
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t.assert(map0.get('a') === 1)
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// testing sub-types and if it can restore a whole type
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const subType = new Y.Map()
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map0.set('a', subType)
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subType.set('x', 42)
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t.compare(map0.toJSON(), /** @type {any} */ ({ 'a': { x: 42 } }))
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undoManager.undo()
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t.assert(map0.get('a') === 1)
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undoManager.redo()
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t.compare(map0.toJSON(), /** @type {any} */ ({ 'a': { x: 42 } }))
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testConnector.syncAll()
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// if content is overwritten by another user, undo operations should be skipped
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map1.set('a', 44)
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testConnector.syncAll()
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undoManager.undo()
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t.assert(map0.get('a') === 44)
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undoManager.redo()
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t.assert(map0.get('a') === 44)
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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 testUndoArray = tc => {
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const { testConnector, array0, array1 } = init(tc, { users: 3 })
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const undoManager = new UndoManager(array0)
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array0.insert(0, [1, 2, 3])
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array1.insert(0, [4, 5, 6])
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testConnector.syncAll()
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t.compare(array0.toArray(), [1, 2, 3, 4, 5, 6])
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undoManager.undo()
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t.compare(array0.toArray(), [4, 5, 6])
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undoManager.redo()
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t.compare(array0.toArray(), [1, 2, 3, 4, 5, 6])
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testConnector.syncAll()
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array1.delete(0, 1) // user1 deletes [1]
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testConnector.syncAll()
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undoManager.undo()
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t.compare(array0.toArray(), [4, 5, 6])
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undoManager.redo()
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t.compare(array0.toArray(), [2, 3, 4, 5, 6])
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array0.delete(0, 5)
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// test nested structure
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const ymap = new Y.Map()
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array0.insert(0, [ymap])
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t.compare(array0.toJSON(), [{}])
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undoManager.stopCapturing()
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ymap.set('a', 1)
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t.compare(array0.toJSON(), [{ a: 1 }])
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undoManager.undo()
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t.compare(array0.toJSON(), [{}])
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undoManager.undo()
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t.compare(array0.toJSON(), [2, 3, 4, 5, 6])
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undoManager.redo()
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t.compare(array0.toJSON(), [{}])
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undoManager.redo()
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t.compare(array0.toJSON(), [{ a: 1 }])
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testConnector.syncAll()
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array1.get(0).set('b', 2)
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testConnector.syncAll()
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t.compare(array0.toJSON(), [{ a: 1, b: 2 }])
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undoManager.undo()
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t.compare(array0.toJSON(), [{ b: 2 }])
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undoManager.undo()
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t.compare(array0.toJSON(), [2, 3, 4, 5, 6])
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undoManager.redo()
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t.compare(array0.toJSON(), [{ b: 2 }])
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undoManager.redo()
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t.compare(array0.toJSON(), [{ a: 1, b: 2 }])
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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 testUndoXml = tc => {
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const { xml0 } = init(tc, { users: 3 })
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const undoManager = new UndoManager(xml0)
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const child = new Y.XmlElement('p')
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xml0.insert(0, [child])
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const textchild = new Y.XmlText('content')
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child.insert(0, [textchild])
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t.assert(xml0.toString() === '<undefined><p>content</p></undefined>')
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// format textchild and revert that change
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undoManager.stopCapturing()
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textchild.format(3, 4, { bold: {} })
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t.assert(xml0.toString() === '<undefined><p>con<bold>tent</bold></p></undefined>')
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undoManager.undo()
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t.assert(xml0.toString() === '<undefined><p>content</p></undefined>')
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undoManager.redo()
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t.assert(xml0.toString() === '<undefined><p>con<bold>tent</bold></p></undefined>')
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xml0.delete(0, 1)
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t.assert(xml0.toString() === '<undefined></undefined>')
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undoManager.undo()
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t.assert(xml0.toString() === '<undefined><p>con<bold>tent</bold></p></undefined>')
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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 testUndoEvents = tc => {
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const { text0 } = init(tc, { users: 3 })
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const undoManager = new UndoManager(text0)
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let counter = 0
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let receivedMetadata = -1
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undoManager.on('stack-item-added', /** @param {any} event */ event => {
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t.assert(event.type != null)
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event.stackItem.meta.set('test', counter++)
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})
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undoManager.on('stack-item-popped', /** @param {any} event */ event => {
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t.assert(event.type != null)
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receivedMetadata = event.stackItem.meta.get('test')
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})
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text0.insert(0, 'abc')
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undoManager.undo()
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t.assert(receivedMetadata === 0)
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undoManager.redo()
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t.assert(receivedMetadata === 1)
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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 testTrackClass = tc => {
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const { users, text0 } = init(tc, { users: 3 })
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// only track origins that are numbers
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const undoManager = new UndoManager(text0, { trackedOrigins: new Set([Number]) })
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users[0].transact(() => {
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text0.insert(0, 'abc')
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}, 42)
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t.assert(text0.toString() === 'abc')
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undoManager.undo()
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t.assert(text0.toString() === '')
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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 testTypeScope = tc => {
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const { array0 } = init(tc, { users: 3 })
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// only track origins that are numbers
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const text0 = new Y.Text()
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const text1 = new Y.Text()
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array0.insert(0, [text0, text1])
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const undoManager = new UndoManager(text0)
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const undoManagerBoth = new UndoManager([text0, text1])
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text1.insert(0, 'abc')
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t.assert(undoManager.undoStack.length === 0)
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t.assert(undoManagerBoth.undoStack.length === 1)
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t.assert(text1.toString() === 'abc')
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undoManager.undo()
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t.assert(text1.toString() === 'abc')
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undoManagerBoth.undo()
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t.assert(text1.toString() === '')
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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 testUndoDeleteFilter = tc => {
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/**
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* @type {Array<Y.Map<any>>}
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*/
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const array0 = /** @type {any} */ (init(tc, { users: 3 }).array0)
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const undoManager = new UndoManager(array0, { deleteFilter: item => !(item instanceof Y.Item) || (item.content instanceof Y.ContentType && item.content.type._map.size === 0) })
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const map0 = new Y.Map()
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map0.set('hi', 1)
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const map1 = new Y.Map()
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array0.insert(0, [map0, map1])
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undoManager.undo()
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t.assert(array0.length === 1)
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array0.get(0)
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t.assert(Array.from(array0.get(0).keys()).length === 1)
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}
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