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/**
* Test that change streams returns create events which captures the options specified on the
* original user command.
*
* @tags: [ requires_fcv_60, ]
*/
(function() {
"use strict";
load('jstests/libs/collection_drop_recreate.js'); // For 'assertDropAndRecreateCollection' and
// 'assertDropCollection'.
load('jstests/libs/change_stream_util.js'); // For 'ChangeStreamTest' and
// 'assertChangeStreamEventEq'.
load("jstests/libs/feature_flag_util.js");
const testDB = db.getSiblingDB(jsTestName());
const dbName = testDB.getName();
const collName = jsTestName();
const ns = {
db: dbName,
coll: collName
};
const test = new ChangeStreamTest(testDB);
function getCollectionUuid(coll) {
const collInfo = testDB.getCollectionInfos({name: coll})[0];
return collInfo.info.uuid;
}
function assertNextChangeEvent(cursor, expectedEvent) {
const event = test.getOneChange(cursor);
// Check the presence and the type of 'wallTime' field. We have no way to check the correctness
// of 'wallTime' value, so we delete it afterwards.
assert(event.wallTime instanceof Date);
delete event.wallTime;
expectedEvent.collectionUUID = getCollectionUuid(collName);
assertChangeStreamEventEq(event, expectedEvent);
}
function runTest(startChangeStream) {
function validateExpectedEventAndDropCollection(command, expectedOutput) {
const cursor = startChangeStream();
assert.commandWorked(testDB.runCommand(command));
assertNextChangeEvent(cursor, expectedOutput);
assertDropCollection(testDB, collName);
}
// Basic create collection command.
validateExpectedEventAndDropCollection({create: collName}, {
operationType: "create",
ns: ns,
operationDescription: {idIndex: {v: 2, key: {_id: 1}, name: "_id_"}}
});
// With implicit create collection through insert.
let cursor = startChangeStream();
assert.commandWorked(testDB.runCommand({insert: collName, documents: [{_id: 0}]}));
assertNextChangeEvent(cursor, {
operationType: "create",
ns: ns,
operationDescription: {idIndex: {v: 2, key: {_id: 1}, name: "_id_"}}
});
assertNextChangeEvent(
cursor, {operationType: "insert", fullDocument: {_id: 0}, ns: ns, documentKey: {_id: 0}});
assertDropCollection(testDB, collName);
// With capped collection parameters.
let expectedSize;
if (FeatureFlagUtil.isEnabled(testDB, "CappedCollectionsRelaxedSize")) {
expectedSize = 1000;
} else {
expectedSize = 1024;
}
validateExpectedEventAndDropCollection({create: collName, capped: true, size: 1000, max: 1000},
{
operationType: "create",
ns: ns,
operationDescription: {
idIndex: {v: 2, key: {_id: 1}, name: "_id_"},
capped: true,
size: expectedSize,
max: 1000
}
});
// With wired tiger setting.
const customWiredTigerSettings = {wiredTiger: {configString: "block_compressor=zlib"}};
validateExpectedEventAndDropCollection(
{
create: collName,
indexOptionDefaults: {storageEngine: customWiredTigerSettings},
storageEngine: customWiredTigerSettings
},
{
operationType: "create",
ns: ns,
operationDescription: {
idIndex: {v: 2, key: {_id: 1}, name: "_id_"},
indexOptionDefaults: {storageEngine: customWiredTigerSettings},
storageEngine: customWiredTigerSettings
}
});
// With validator collection parameters.
validateExpectedEventAndDropCollection(
{create: collName, validator: {a: 1}, validationLevel: "off", validationAction: "warn"}, {
operationType: "create",
ns: ns,
operationDescription: {
idIndex: {v: 2, key: {_id: 1}, name: "_id_"},
validator: {a: 1},
validationLevel: "off",
validationAction: "warn"
}
});
// With collation.
const collation = {
locale: "en",
"caseLevel": false,
"caseFirst": "off",
"strength": 3,
"numericOrdering": false,
"alternate": "non-ignorable",
"maxVariable": "punct",
"normalization": false,
"backwards": true,
"version": "57.1"
};
validateExpectedEventAndDropCollection({create: collName, collation: collation}, {
operationType: "create",
ns: ns,
operationDescription: {
collation: collation,
idIndex: {v: 2, key: {_id: 1}, name: "_id_", collation: collation}
}
});
// With clustered index.
validateExpectedEventAndDropCollection(
{
create: collName,
clusteredIndex: {key: {_id: 1}, name: "newName", unique: true},
expireAfterSeconds: 10
},
{
operationType: "create",
ns: ns,
operationDescription: {
clusteredIndex: {v: 2, key: {_id: 1}, name: "newName", unique: true},
expireAfterSeconds: NumberLong(10)
}
});
// With idIndex field.
validateExpectedEventAndDropCollection(
{create: collName, idIndex: {v: 2, key: {_id: 1}, name: "ignored"}}, {
operationType: "create",
ns: ns,
operationDescription: {
idIndex: {v: 2, key: {_id: 1}, name: "_id_"},
}
});
validateExpectedEventAndDropCollection(
{create: collName, idIndex: {v: 1, key: {_id: 1}, name: "new"}},
{operationType: "create", ns: ns, operationDescription: {}});
// Verify that the time-series create command does not produce an event.
cursor = startChangeStream();
assert.commandWorked(testDB.runCommand({create: collName, timeseries: {timeField: "t"}}));
test.assertNextChangesEqual({cursor: cursor, expectedChanges: []});
assertDropCollection(testDB, collName);
if (FixtureHelpers.isMongos(db)) {
cursor = startChangeStream();
assert.commandWorked(testDB.adminCommand({enableSharding: ns.db}));
assert.commandWorked(
testDB.adminCommand({shardCollection: ns.db + "." + collName, key: {a: 1}}));
assertNextChangeEvent(cursor, {
operationType: "create",
ns,
operationDescription: {
idIndex: {v: 2, key: {_id: 1}, name: "_id_"},
}
});
assertDropCollection(testDB, collName);
}
}
const pipeline = [{$changeStream: {showExpandedEvents: true}}];
runTest(() => test.startWatchingChanges({pipeline, collection: 1}));
runTest(() => test.startWatchingChanges({pipeline, collection: collName}));
}());
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