mirror of https://github.com/mongodb/mongo
55 lines
2.3 KiB
JavaScript
55 lines
2.3 KiB
JavaScript
// Tests that each change in the stream will include the cluster time at which it happened.
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//
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// This test expects each change stream result to have an operationTime based on the clusterTime in
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// the oplog entry. When operations get bundled into a transaction, their operationTime is instead
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// based on the commit oplog entry, which would cause this test to fail.
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// @tags: [change_stream_does_not_expect_txns]
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import {assertDropAndRecreateCollection} from "jstests/libs/collection_drop_recreate.js";
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import {assertInvalidateOp} from "jstests/libs/query/change_stream_util.js";
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// Drop and recreate the collections to be used in this set of tests.
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const coll = assertDropAndRecreateCollection(db, "include_cluster_time");
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const changeStream = coll.watch();
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const insertClusterTime = assert.commandWorked(coll.runCommand("insert", {documents: [{_id: 0}]})).operationTime;
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const updateClusterTime = assert.commandWorked(
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coll.runCommand("update", {updates: [{q: {_id: 0}, u: {$set: {updated: true}}}]}),
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).operationTime;
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const deleteClusterTime = assert.commandWorked(
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coll.runCommand("delete", {deletes: [{q: {_id: 0}, limit: 1}]}),
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).operationTime;
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const dropClusterTime = assert.commandWorked(db.runCommand({drop: coll.getName()})).operationTime;
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// Make sure each operation has a reasonable cluster time. Note that we should not assert
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// that the cluster times are equal, because the cluster time returned from the command is
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// generated by a second, independent read of the logical clock than the one used to
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// generate the oplog entry. It's possible that the system did something to advance the time
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// between the two reads of the clock.
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assert.soon(() => changeStream.hasNext());
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let next = changeStream.next();
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assert.eq(next.operationType, "insert");
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assert.lte(next.clusterTime, insertClusterTime);
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assert.soon(() => changeStream.hasNext());
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next = changeStream.next();
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assert.eq(next.operationType, "update");
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assert.lte(next.clusterTime, updateClusterTime);
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assert.soon(() => changeStream.hasNext());
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next = changeStream.next();
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assert.eq(next.operationType, "delete");
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assert.lte(next.clusterTime, deleteClusterTime);
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assert.soon(() => changeStream.hasNext());
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next = changeStream.next();
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assert.eq(next.operationType, "drop");
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assert.lte(next.clusterTime, dropClusterTime);
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assertInvalidateOp({cursor: changeStream, opType: "drop"});
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changeStream.close();
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