yjs/tests/snapshot.tests.js

156 lines
3.9 KiB
JavaScript

import { createDocFromSnapshot, Doc, snapshot, YMap } from '../src/internals'
import * as t from 'lib0/testing.js'
import { init } from './testHelper'
/**
* @param {t.TestCase} tc
*/
export const testBasicRestoreSnapshot = tc => {
const doc = new Doc({ gc: false })
doc.getArray('array').insert(0, ['hello'])
const snap = snapshot(doc)
doc.getArray('array').insert(1, ['world'])
const docRestored = createDocFromSnapshot(doc, snap)
t.compare(docRestored.getArray('array').toArray(), ['hello'])
t.compare(doc.getArray('array').toArray(), ['hello', 'world'])
}
/**
* @param {t.TestCase} tc
*/
export const testRestoreSnapshotWithSubType = tc => {
const doc = new Doc({ gc: false })
doc.getArray('array').insert(0, [new YMap()])
const subMap = doc.getArray('array').get(0)
subMap.set('key1', 'value1')
const snap = snapshot(doc)
subMap.set('key2', 'value2')
const docRestored = createDocFromSnapshot(doc, snap)
t.compare(docRestored.getArray('array').toJSON(), [{
key1: 'value1'
}])
t.compare(doc.getArray('array').toJSON(), [{
key1: 'value1',
key2: 'value2'
}])
}
/**
* @param {t.TestCase} tc
*/
export const testRestoreDeletedItem1 = tc => {
const doc = new Doc({ gc: false })
doc.getArray('array').insert(0, ['item1', 'item2'])
const snap = snapshot(doc)
doc.getArray('array').delete(0)
const docRestored = createDocFromSnapshot(doc, snap)
t.compare(docRestored.getArray('array').toArray(), ['item1', 'item2'])
t.compare(doc.getArray('array').toArray(), ['item2'])
}
/**
* @param {t.TestCase} tc
*/
export const testRestoreLeftItem = tc => {
const doc = new Doc({ gc: false })
doc.getArray('array').insert(0, ['item1'])
doc.getMap('map').set('test', 1)
doc.getArray('array').insert(0, ['item0'])
const snap = snapshot(doc)
doc.getArray('array').delete(1)
const docRestored = createDocFromSnapshot(doc, snap)
t.compare(docRestored.getArray('array').toArray(), ['item0', 'item1'])
t.compare(doc.getArray('array').toArray(), ['item0'])
}
/**
* @param {t.TestCase} tc
*/
export const testDeletedItemsBase = tc => {
const doc = new Doc({ gc: false })
doc.getArray('array').insert(0, ['item1'])
doc.getArray('array').delete(0)
const snap = snapshot(doc)
doc.getArray('array').insert(0, ['item0'])
const docRestored = createDocFromSnapshot(doc, snap)
t.compare(docRestored.getArray('array').toArray(), [])
t.compare(doc.getArray('array').toArray(), ['item0'])
}
/**
* @param {t.TestCase} tc
*/
export const testDeletedItems2 = tc => {
const doc = new Doc({ gc: false })
doc.getArray('array').insert(0, ['item1', 'item2', 'item3'])
doc.getArray('array').delete(1)
const snap = snapshot(doc)
doc.getArray('array').insert(0, ['item0'])
const docRestored = createDocFromSnapshot(doc, snap)
t.compare(docRestored.getArray('array').toArray(), ['item1', 'item3'])
t.compare(doc.getArray('array').toArray(), ['item0', 'item1', 'item3'])
}
/**
* @param {t.TestCase} tc
*/
export const testDependentChanges = tc => {
const { array0, array1, testConnector } = init(tc, { users: 2 })
if (!array0.doc) {
throw new Error('no document 0')
}
if (!array1.doc) {
throw new Error('no document 1')
}
/**
* @type Doc
*/
const doc0 = array0.doc
/**
* @type Doc
*/
const doc1 = array1.doc
doc0.gc = false
doc1.gc = false
array0.insert(0, ['user1item1'])
testConnector.syncAll()
array1.insert(1, ['user2item1'])
testConnector.syncAll()
const snap = snapshot(array0.doc)
array0.insert(2, ['user1item2'])
testConnector.syncAll()
array1.insert(3, ['user2item2'])
testConnector.syncAll()
const docRestored0 = createDocFromSnapshot(array0.doc, snap)
t.compare(docRestored0.getArray('array').toArray(), ['user1item1', 'user2item1'])
const docRestored1 = createDocFromSnapshot(array1.doc, snap)
t.compare(docRestored1.getArray('array').toArray(), ['user1item1', 'user2item1'])
}