101 lines
4.4 KiB
JavaScript
101 lines
4.4 KiB
JavaScript
import "jstests/multiVersion/libs/multi_rs.js";
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import {ReplSetTest} from "jstests/libs/replsettest.js";
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function runTest(downgradeVersion) {
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jsTestLog("Running test with 'downgradeVersion': " + downgradeVersion);
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const rst = new ReplSetTest({
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nodes: 2,
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nodeOptions: {binVersion: downgradeVersion},
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});
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rst.startSet();
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rst.initiate(null, null, {initiateWithDefaultElectionTimeout: true});
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let testDB = rst.getPrimary().getDB(jsTestName());
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let coll = testDB.change_stream_upgrade;
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// Open a change stream against a downgraded binary. We will use the resume token from this
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// stream to resume the stream once the set has been upgraded.
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let streamStartedOnOldVersion = coll.watch();
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assert.commandWorked(coll.insert({_id: "first insert, just for resume token"}));
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assert.soon(() => streamStartedOnOldVersion.hasNext());
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let change = streamStartedOnOldVersion.next();
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assert.eq(change.operationType, "insert", tojson(change));
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assert.eq(change.documentKey._id, "first insert, just for resume token", tojson(change));
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const resumeTokenFromDowngradeVersion = change._id;
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assert.commandWorked(coll.insert({_id: "before binary upgrade"}));
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// Upgrade the set to the latest binary version, but keep the feature compatibility version at
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// 'downgradeVersion'.
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rst.upgradeSet({binVersion: "latest"});
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testDB = rst.getPrimary().getDB(jsTestName());
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coll = testDB.change_stream_upgrade;
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// Test that we can resume the stream on the new binaries.
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streamStartedOnOldVersion = coll.watch([], {resumeAfter: resumeTokenFromDowngradeVersion});
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assert.soon(() => streamStartedOnOldVersion.hasNext());
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change = streamStartedOnOldVersion.next();
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assert.eq(change.operationType, "insert", tojson(change));
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assert.eq(change.documentKey._id, "before binary upgrade", tojson(change));
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let streamStartedOnNewVersionOldFCV = coll.watch();
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assert.commandWorked(coll.insert({_id: "after binary upgrade, before fcv switch"}));
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let resumeTokenFromNewVersionOldFCV;
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[streamStartedOnOldVersion, streamStartedOnNewVersionOldFCV].forEach(stream => {
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assert.soon(() => stream.hasNext());
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change = stream.next();
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assert.eq(change.operationType, "insert", tojson(change));
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assert.eq(
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change.documentKey._id, "after binary upgrade, before fcv switch", tojson(change));
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if (resumeTokenFromNewVersionOldFCV === undefined) {
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resumeTokenFromNewVersionOldFCV = change._id;
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} else {
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assert.eq(resumeTokenFromNewVersionOldFCV, change._id);
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}
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});
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// Explicitly set feature compatibility version to the latest FCV.
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assert.commandWorked(
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testDB.adminCommand({setFeatureCompatibilityVersion: latestFCV, confirm: true}));
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const streamStartedOnNewVersion = coll.watch();
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// Test that we can still resume with the token from the old version. We should see the same
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// document again.
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streamStartedOnOldVersion = coll.watch([], {resumeAfter: resumeTokenFromDowngradeVersion});
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assert.soon(() => streamStartedOnOldVersion.hasNext());
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change = streamStartedOnOldVersion.next();
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assert.eq(change.operationType, "insert", tojson(change));
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assert.eq(change.documentKey._id, "before binary upgrade", tojson(change));
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assert.soon(() => streamStartedOnOldVersion.hasNext());
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change = streamStartedOnOldVersion.next();
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assert.eq(change.operationType, "insert", tojson(change));
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assert.eq(change.documentKey._id, "after binary upgrade, before fcv switch", tojson(change));
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assert.commandWorked(coll.insert({_id: "after fcv upgrade"}));
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const resumedStreamOnNewVersion =
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coll.watch([], {resumeAfter: resumeTokenFromNewVersionOldFCV});
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// Test that all open streams continue to produce change events, and that the newly resumed
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// stream sees the write that just happened since it comes after the resume token used.
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for (let stream of [streamStartedOnOldVersion,
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streamStartedOnNewVersionOldFCV,
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streamStartedOnNewVersion,
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resumedStreamOnNewVersion]) {
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assert.soon(() => stream.hasNext());
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change = stream.next();
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assert.eq(change.operationType, "insert", tojson(change));
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assert.eq(change.documentKey._id, "after fcv upgrade", tojson(change));
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stream.close();
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}
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rst.stopSet();
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}
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runTest("last-continuous");
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runTest("last-lts"); |