yonote/yjs
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reimplement persistence approach

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This commit is contained in:
Kevin Jahns
2017-12-24 03:18:00 +01:00
parent 08f37a86e3
commit f2debc150c
27 changed files with 880 additions and 1275 deletions
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29
test/diff.tests.js Normal file
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@@ -0,0 +1,29 @@
import { test } from '../node_modules/cutest/cutest.mjs'
import simpleDiff from '../src/Util/simpleDiff.js'
import Chance from 'chance'
function runDiffTest (t, a, b, expected) {
let result = simpleDiff(a, b)
t.compare(result, expected, `Compare "${a}" with "${b}"`)
}
test('diff tests', async function diff1 (t) {
runDiffTest(t, 'abc', 'axc', { pos: 1, remove: 1, insert: 'x' })
runDiffTest(t, 'bc', 'xc', { pos: 0, remove: 1, insert: 'x' })
runDiffTest(t, 'ab', 'ax', { pos: 1, remove: 1, insert: 'x' })
runDiffTest(t, 'b', 'x', { pos: 0, remove: 1, insert: 'x' })
runDiffTest(t, '', 'abc', { pos: 0, remove: 0, insert: 'abc' })
runDiffTest(t, 'abc', 'xyz', { pos: 0, remove: 3, insert: 'xyz' })
runDiffTest(t, 'axz', 'au', { pos: 1, remove: 2, insert: 'u' })
runDiffTest(t, 'ax', 'axy', { pos: 2, remove: 0, insert: 'y' })
})
test('random diff tests', async function randomDiff (t) {
const chance = new Chance(t.getSeed() * 1000000000)
let a = chance.word()
let b = chance.word()
let change = simpleDiff(a, b)
let arr = Array.from(a)
arr.splice(change.pos, change.remove, ...Array.from(change.insert))
t.assert(arr.join('') === b, 'Applying change information is correct')
})

3
test/encode-decode.js → test/encode-decode.tests.js
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@@ -54,6 +54,9 @@ test('varString', async function varString (t) {
testEncoding(t, writeVarString, readVarString, 'test!')
testEncoding(t, writeVarString, readVarString, '☺☺☺')
testEncoding(t, writeVarString, readVarString, '1234')
testEncoding(t, writeVarString, readVarString, '쾟')
testEncoding(t, writeVarString, readVarString, '龟') // surrogate length 3
testEncoding(t, writeVarString, readVarString, '😝') // surrogate length 4
})
test('varString random', async function varStringRandom (t) {

2
test/index.html
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@@ -3,6 +3,6 @@
<head>
</head>
<body>
<script type="module" src="./encode-decode.js"></script>
<script type="module" src="./index.js"></script>
</body>
</html>

6
test/index.js Normal file
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@@ -0,0 +1,6 @@
import './red-black-tree.js'
import './y-array.tests.js'
import './y-map.tests.js'
import './y-xml.tests.js'
import './encode-decode.tests.js'
import './diff.tests.js'