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/**
* Tests that change streams with the 'showRawUpdateDescription' option enabled will return update
* events with the 'rawUpdateDescription' field instead of the 'updateDescription' field, and tests
* that the 'showRawUpdateDescription' option has no effect on replacements or other types of
* events.
*/
(function() {
"use strict";
load("jstests/aggregation/extras/utils.js"); // For arrayEq.
load("jstests/libs/change_stream_util.js"); // For ChangeStreamTest.
load("jstests/libs/collection_drop_recreate.js"); // For assertDropAndRecreateCollection.
const oplogV2FlagName = "internalQueryEnableLoggingV2OplogEntries";
const oplogV2Enabled =
assert.commandWorked(db.adminCommand({getParameter: 1, [oplogV2FlagName]: 1}))[oplogV2FlagName];
if (oplogV2Enabled) {
return;
}
// Drop and recreate the collections to be used in this set of tests.
assertDropAndRecreateCollection(db, "t1");
assertDropAndRecreateCollection(db, "t1Copy");
assert.commandWorked(db.t1.insert([
{_id: 3, a: 5, b: 1},
{_id: 4, a: 0, b: 1},
{_id: 5, a: 0, b: 1},
{_id: 6, a: 1, b: 1},
{_id: 7, a: 1, b: 1},
{_id: 8, a: 2, b: {c: 1}}
]));
const cst = new ChangeStreamTest(db);
let cursor = cst.startWatchingChanges(
{pipeline: [{$changeStream: {showRawUpdateDescription: true}}], collection: db.t1});
//
// Test insert, replace, and delete operations and verify the corresponding change stream events
// are unaffected by the 'showRawUpdateDescription' option.
//
jsTestLog("Testing insert");
assert.commandWorked(db.t1.insert({_id: 1, a: 1}));
let expected = {
documentKey: {_id: 1},
fullDocument: {_id: 1, a: 1},
ns: {db: "test", coll: "t1"},
operationType: "insert",
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
jsTestLog("Testing upsert");
assert.commandWorked(db.t1.update({_id: 2}, {_id: 2, a: 4}, {upsert: true}));
expected = {
documentKey: {_id: 2},
fullDocument: {_id: 2, a: 4},
ns: {db: "test", coll: "t1"},
operationType: "insert",
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
jsTestLog("Testing replacement");
assert.commandWorked(db.t1.update({_id: 1}, {_id: 1, a: 3}));
expected = {
documentKey: {_id: 1},
fullDocument: {_id: 1, a: 3},
ns: {db: "test", coll: "t1"},
operationType: "replace",
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
jsTestLog("Testing another replacement");
assert.commandWorked(db.t1.update({_id: 1}, {_id: 1, b: 3}));
expected = {
documentKey: {_id: 1},
fullDocument: {_id: 1, b: 3},
ns: {db: "test", coll: "t1"},
operationType: "replace",
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
jsTestLog("Testing delete");
assert.commandWorked(db.t1.remove({_id: 1}));
expected = {
documentKey: {_id: 1},
ns: {db: "test", coll: "t1"},
operationType: "delete",
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
jsTestLog("Testing delete with justOne:false");
assert.commandWorked(db.t1.remove({a: 1}, {justOne: false}));
expected = [
{
documentKey: {_id: 6},
ns: {db: "test", coll: "t1"},
operationType: "delete",
},
{
documentKey: {_id: 7},
ns: {db: "test", coll: "t1"},
operationType: "delete",
}
];
cst.assertNextChangesEqualUnordered({cursor: cursor, expectedChanges: expected});
//
// The remainder of the test-cases below exercise various update scenarios that produce
// 'rawUpdateDescription'.
//
function assertCollectionsAreIdentical(coll1, coll2) {
const values1 = coll1.find().toArray();
const values2 = coll2.find().toArray();
assert(arrayEq(values1, values2),
() => "actual: " + tojson(values1) + " expected: " + tojson(values2));
}
function assertCanApplyRawUpdate(origColl, copyColl, events) {
if (!Array.isArray(events)) {
events = [events];
}
for (let event of events) {
assert.commandWorked(copyColl.update(
event.documentKey,
[{$_internalApplyOplogUpdate: {oplogUpdate: event.rawUpdateDescription}}]));
}
assertCollectionsAreIdentical(origColl, copyColl);
}
assert.commandWorked(db.t1Copy.insert(db.t1.find().toArray()));
assertCollectionsAreIdentical(db.t1, db.t1Copy);
//
// Test op-style updates.
//
jsTestLog("Testing op-style update with $inc");
assert.commandWorked(db.t1.update({_id: 3}, {$inc: {b: 2}}));
expected = {
documentKey: {_id: 3},
ns: {db: "test", coll: "t1"},
operationType: "update",
rawUpdateDescription: {"$v": NumberInt(1), "$set": {b: 3}}
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
assertCanApplyRawUpdate(db.t1, db.t1Copy, expected);
jsTestLog("Testing op-style update with $set and multi:true");
assert.commandWorked(db.t1.update({a: 0}, {$set: {b: 2}}, {multi: true}));
expected = [
{
documentKey: {_id: 4},
ns: {db: "test", coll: "t1"},
operationType: "update",
rawUpdateDescription: {"$v": NumberInt(1), "$set": {b: 2}}
},
{
documentKey: {_id: 5},
ns: {db: "test", coll: "t1"},
operationType: "update",
rawUpdateDescription: {"$v": NumberInt(1), "$set": {b: 2}}
}
];
cst.assertNextChangesEqualUnordered({cursor: cursor, expectedChanges: expected});
assertCanApplyRawUpdate(db.t1, db.t1Copy, expected);
jsTestLog("Testing op-style update with $unset");
assert.commandWorked(db.t1.update({_id: 3}, {$unset: {b: ""}}));
expected = {
documentKey: {_id: 3},
ns: {db: "test", coll: "t1"},
operationType: "update",
rawUpdateDescription: {"$v": NumberInt(1), "$unset": {b: true}}
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
assertCanApplyRawUpdate(db.t1, db.t1Copy, expected);
jsTestLog("Testing op-style update with $set on nested field");
assert.commandWorked(db.t1.update({_id: 8}, {$set: {"b.d": 2}}));
expected = {
documentKey: {_id: 8},
ns: {db: "test", coll: "t1"},
operationType: "update",
rawUpdateDescription: {"$v": NumberInt(1), "$set": {"b.d": 2}}
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
assertCanApplyRawUpdate(db.t1, db.t1Copy, expected);
cst.cleanUp();
}());
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