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Add more tests

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This commit is contained in:
Danila Fedorin 2021-09-14 13:54:14 -07:00
parent f8117b6f98
commit b2b5690739
1 changed files with 80 additions and 3 deletions
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81
src/matrix/room/timeline/persistence/GapWriter.js
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@ -258,6 +258,7 @@ import {RelationWriter} from "./RelationWriter.js";
import {createMockStorage} from "../../../../mocks/Storage.js"; import {createMockStorage} from "../../../../mocks/Storage.js";
import {FragmentBoundaryEntry} from "../entries/FragmentBoundaryEntry.js"; import {FragmentBoundaryEntry} from "../entries/FragmentBoundaryEntry.js";
import {createEvent, withTextBody, withContent, withSender} from "../../../../mocks/event.js"; import {createEvent, withTextBody, withContent, withSender} from "../../../../mocks/event.js";
import {NullLogger} from "../../../../logging/NullLogger.js";
export function tests() { export function tests() {
const alice = "alice@hs.tdl"; const alice = "alice@hs.tdl";
@ -346,7 +347,16 @@ export function tests() {
assert.equal(fragment1.nextId, fragment2.id); assert.equal(fragment1.nextId, fragment2.id);
assert.equal(fragment2.previousId, fragment1.id); assert.equal(fragment2.previousId, fragment1.id);
assert.equal(fragment2.previousToken, null); assert.equal(fragment2.previousToken, null);
assert.equal(fragment2.nextToken, null); assert.equal(fragment1.nextToken, null);
}
async function assertWeakLink(assert, txn, fragmentId1, fragmentId2) {
const fragment1 = await txn.timelineFragments.get(roomId, fragmentId1);
const fragment2 = await txn.timelineFragments.get(roomId, fragmentId2);
assert.equal(fragment1.nextId, fragment2.id);
assert.equal(fragment2.previousId, fragment1.id);
assert.notEqual(fragment2.previousToken, null);
assert.notEqual(fragment1.nextToken, null);
} }
return { return {
@ -390,7 +400,7 @@ export function tests() {
await txn.complete() await txn.complete()
}, },
"Backfilling a fragment that is expected to link up": async assert => { "Backfilling a fragment that is expected to link up, and does": async assert => {
const { txn, fragmentIdComparer, gapWriter, eventCreator } = await setup(); const { txn, fragmentIdComparer, gapWriter, eventCreator } = await setup();
const existingFragment = await createFragment(0, txn, fragmentIdComparer, { nextId: 1, nextToken: startToken }); const existingFragment = await createFragment(0, txn, fragmentIdComparer, { nextId: 1, nextToken: startToken });
const liveFragment = await createFragment(1, txn, fragmentIdComparer, { previousId: 0, previousToken: startToken }); const liveFragment = await createFragment(1, txn, fragmentIdComparer, { previousId: 0, previousToken: startToken });
@ -414,6 +424,29 @@ export function tests() {
} }
await assertTightLink(assert, txn, 0, 1); await assertTightLink(assert, txn, 0, 1);
}, },
"Backfilling a fragment that is expected to link up, but doesn't yet": async assert => {
const { txn, fragmentIdComparer, gapWriter, eventCreator } = await setup();
const existingFragment = await createFragment(0, txn, fragmentIdComparer, { nextId: 1, nextToken: endToken });
const liveFragment = await createFragment(1, txn, fragmentIdComparer, { previousId: 0, previousToken: startToken });
const newEntry = FragmentBoundaryEntry.start(liveFragment, fragmentIdComparer);
const initialEntries = await prefillFragment(txn, eventCreator, existingFragment, 10);
const response = eventCreator.createMessagesResponse();
await gapWriter.writeFragmentFill(newEntry, response, txn, null);
const allEvents = await txn.timelineEvents._timelineStore.selectAll();
let i = 0;
for (const initialEntry of initialEntries) {
const storedEvent = allEvents[i++];
assert.deepEqual(initialEntry, storedEvent.event);
}
for (let j = 0; j < response.chunk.length - 1; j++) {
const responseEvent = response.chunk.at(-j - 1);
const storedEvent = allEvents[i + j];
assert.deepEqual(responseEvent, storedEvent.event);
}
await assertWeakLink(assert, txn, 0, 1);
},
"Backfilling a fragment that is not expected to link up": async assert => { "Backfilling a fragment that is not expected to link up": async assert => {
const { txn, fragmentIdComparer, gapWriter, eventCreator } = await setup(); const { txn, fragmentIdComparer, gapWriter, eventCreator } = await setup();
const existingFragment = await createFragment(0, txn, fragmentIdComparer, { nextToken: startToken }); const existingFragment = await createFragment(0, txn, fragmentIdComparer, { nextToken: startToken });
@ -437,6 +470,50 @@ export function tests() {
assert.deepEqual(responseEvent, storedEvent.event); assert.deepEqual(responseEvent, storedEvent.event);
} }
await assertTightLink(assert, txn, 0, 1); await assertTightLink(assert, txn, 0, 1);
},
"Receiving a sync with the same events as the current fragment does not create infinite link": async assert => {
const { txn, fragmentIdComparer, gapWriter, eventCreator } = await setup();
const liveFragment = await createFragment(0, txn, fragmentIdComparer, { previousToken: startToken });
const newEntry = FragmentBoundaryEntry.start(liveFragment, fragmentIdComparer);
const initialEntries = await prefillFragment(txn, eventCreator, liveFragment, 10);
const response = { start: startToken, end: endToken, chunk: initialEntries.slice().reverse(), state: [] };
await gapWriter.writeFragmentFill(newEntry, response, txn, new NullLogger());
const updatedLiveFragment = txn.timelineFragments.get(roomId, 0);
assert.equal(updatedLiveFragment.previousId, null);
const allEvents = await txn.timelineEvents._timelineStore.selectAll();
let i = 0;
for (const initialEntry of initialEntries) {
assert.deepEqual(allEvents[i++].event, initialEntry);
} }
assert.equal(allEvents.length, 10);
},
"An event received by sync does not interrupt backfilling": async assert => {
const { txn, fragmentIdComparer, gapWriter, eventCreator } = await setup();
const existingFragment = await createFragment(0, txn, fragmentIdComparer, { nextId: 1, nextToken: endToken });
const liveFragment = await createFragment(1, txn, fragmentIdComparer, { previousId: 0, previousToken: startToken });
const anotherFragment = await createFragment(2, txn, fragmentIdComparer);
const newEntry = FragmentBoundaryEntry.start(liveFragment, fragmentIdComparer);
const initialEntries = await prefillFragment(txn, eventCreator, existingFragment, 10);
const [strayEntry] = await prefillFragment(txn, eventCreator, anotherFragment, 1);
const response = eventCreator.createMessagesResponse();
const originalEntries = response.chunk.slice();
response.chunk.splice(response.chunk.length - 3, 0, initialEntries[5], strayEntry);
await gapWriter.writeFragmentFill(newEntry, response, txn, null);
const allEvents = await txn.timelineEvents._timelineStore.selectAll();
let i = 0;
for (const initialEntry of initialEntries) {
const storedEvent = allEvents[i++];
assert.deepEqual(initialEntry, storedEvent.event);
}
for (const originalEntry of originalEntries.reverse()) {
const storedEvent = allEvents[i++];
assert.deepEqual(originalEntry, storedEvent.event);
}
await assertWeakLink(assert, txn, 0, 1);
},
} }
} }