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add tests for meta decoding of updates and state vector comparison of update and ydoc approach

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This commit is contained in:
Kevin Jahns
2020-12-30 20:21:14 +01:00
parent 8fadec4dcd
commit dbd1b3cb59
3 changed files with 70 additions and 1 deletions
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20
tests/updates.tests.js
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@@ -8,6 +8,9 @@ import * as Y from '../src/index.js'
* @property {function(Y.Doc):Uint8Array} Enc.encodeStateAsUpdate
* @property {function(Y.Doc, Uint8Array):void} Enc.applyUpdate
* @property {function(Uint8Array):void} Enc.logUpdate
* @property {function(Uint8Array):{from:Map<number,number>,to:Map<number,number>}} Enc.parseUpdateMeta
* @property {function(Y.Doc):Uint8Array} Enc.encodeStateVector
* @property {function(Uint8Array):Uint8Array} Enc.encodeStateVectorFromUpdate
* @property {string} Enc.updateEventName
* @property {string} Enc.description
*/
@@ -20,6 +23,9 @@ const encV1 = {
encodeStateAsUpdate: Y.encodeStateAsUpdate,
applyUpdate: Y.applyUpdate,
logUpdate: Y.logUpdate,
parseUpdateMeta: Y.parseUpdateMeta,
encodeStateVectorFromUpdate: Y.encodeStateVectorFromUpdate,
encodeStateVector: Y.encodeStateVector,
updateEventName: 'update',
description: 'V1'
}
@@ -32,6 +38,9 @@ const encV2 = {
encodeStateAsUpdate: Y.encodeStateAsUpdateV2,
applyUpdate: Y.applyUpdateV2,
logUpdate: Y.logUpdateV2,
parseUpdateMeta: Y.parseUpdateMetaV2,
encodeStateVectorFromUpdate: Y.encodeStateVectorFromUpdateV2,
encodeStateVector: Y.encodeStateVectorV2,
updateEventName: 'updateV2',
description: 'V2'
}
@@ -50,6 +59,9 @@ const encDoc = {
encodeStateAsUpdate: Y.encodeStateAsUpdate,
applyUpdate: Y.applyUpdate,
logUpdate: Y.logUpdate,
parseUpdateMeta: Y.parseUpdateMetaV2,
encodeStateVectorFromUpdate: Y.encodeStateVectorFromUpdateV2,
encodeStateVector: Y.encodeStateVector,
updateEventName: 'update',
description: 'Merge via Y.Doc'
}
@@ -129,6 +141,14 @@ const checkUpdateCases = (ydoc, updates, enc) => {
const merged = new Y.Doc()
enc.applyUpdate(merged, updates)
t.compareArrays(merged.getArray().toArray(), ydoc.getArray().toArray())
t.compare(enc.encodeStateVector(merged), enc.encodeStateVectorFromUpdate(updates))
const meta = enc.parseUpdateMeta(updates)
meta.from.forEach((clock, client) => t.assert(clock === 0))
meta.to.forEach((clock, client) => {
const structs = /** @type {Array<Y.Item>} */ (merged.store.clients.get(client))
const lastStruct = structs[structs.length - 1]
t.assert(lastStruct.id.clock + lastStruct.length === clock)
})
})
}