yonote/yjs
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test case for deletes + fix

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This commit is contained in:
Kevin Jahns 2020-12-16 23:45:28 +01:00
parent 47221c26c4
commit d8868c47e1
2 changed files with 45 additions and 17 deletions
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7
src/utils/updates.js
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@ -96,11 +96,14 @@ export const logUpdate = update => logUpdateV2(update, UpdateDecoderV1)
*/ */
export const logUpdateV2 = (update, YDecoder = UpdateDecoderV2) => { export const logUpdateV2 = (update, YDecoder = UpdateDecoderV2) => {
const structs = [] const structs = []
const lazyDecoder = new LazyStructReader(new YDecoder(decoding.createDecoder(update))) const updateDecoder = new YDecoder(decoding.createDecoder(update))
const lazyDecoder = new LazyStructReader(updateDecoder)
for (let curr = lazyDecoder.curr; curr !== null; curr = lazyDecoder.next()) { for (let curr = lazyDecoder.curr; curr !== null; curr = lazyDecoder.next()) {
structs.push(curr) structs.push(curr)
} }
logging.print(structs) logging.print('Structs: ', structs)
const ds = readDeleteSet(updateDecoder)
logging.print('DeleteSet: ', ds)
} }
export class LazyStructWriter { export class LazyStructWriter {

55
tests/updates.tests.js
View File

@ -37,19 +37,10 @@ export const testMergeUpdates = tc => {
} }
/** /**
* @param {t.TestCase} tc * @param {Y.Doc} ydoc
* @param {Array<Uint8Array>} updates - expecting at least 4 updates
*/ */
export const testMergeUpdatesWrongOrder = tc => { const checkUpdateCases = (ydoc, updates) => {
const ydoc = new Y.Doc()
const updates = /** @type {Array<Uint8Array>} */ ([])
ydoc.on(updateEventName, update => { updates.push(update) })
const array = ydoc.getArray()
array.insert(0, [1])
array.insert(0, [2])
array.insert(0, [3])
array.insert(0, [4])
const cases = [] const cases = []
// Case 1: Simple case, simply merge everything // Case 1: Simple case, simply merge everything
@ -71,7 +62,8 @@ export const testMergeUpdatesWrongOrder = tc => {
// Case 4: Separated updates (containing skips) // Case 4: Separated updates (containing skips)
cases.push(mergeUpdates([ cases.push(mergeUpdates([
mergeUpdates([updates[0], updates[2]]), mergeUpdates([updates[0], updates[2]]),
mergeUpdates([updates[1], updates[3]]) mergeUpdates([updates[1], updates[3]]),
mergeUpdates(updates.slice(4))
])) ]))
// Case 5: overlapping with many duplicates // Case 5: overlapping with many duplicates
@ -86,11 +78,44 @@ export const testMergeUpdatesWrongOrder = tc => {
logUpdate(updates) logUpdate(updates)
const merged = new Y.Doc() const merged = new Y.Doc()
applyUpdate(merged, updates) applyUpdate(merged, updates)
t.compareArrays(merged.getArray().toArray(), array.toArray()) t.compareArrays(merged.getArray().toArray(), ydoc.getArray().toArray())
t.compare(updates, targetState)
}) })
} }
/**
* @param {t.TestCase} tc
*/
export const testMergeUpdates1 = tc => {
const ydoc = new Y.Doc({ gc: false })
const updates = /** @type {Array<Uint8Array>} */ ([])
ydoc.on(updateEventName, update => { updates.push(update) })
const array = ydoc.getArray()
array.insert(0, [1])
array.insert(0, [2])
array.insert(0, [3])
array.insert(0, [4])
checkUpdateCases(ydoc, updates)
}
/**
* @param {t.TestCase} tc
*/
export const testMergeUpdates2 = tc => {
const ydoc = new Y.Doc({ gc: false })
const updates = /** @type {Array<Uint8Array>} */ ([])
ydoc.on(updateEventName, update => { updates.push(update) })
const array = ydoc.getArray()
array.insert(0, [1, 2])
array.delete(1, 1)
array.insert(0, [3, 4])
array.delete(1, 2)
checkUpdateCases(ydoc, updates)
}
/** /**
* @todo be able to apply Skip structs to Yjs docs * @todo be able to apply Skip structs to Yjs docs
*/ */