1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Basic tests for $changeStream against all collections in a database.
(function() {
"use strict";
load("jstests/libs/collection_drop_recreate.js"); // For assert[Drop|Create]Collection.
load("jstests/libs/change_stream_util.js"); // For ChangeStreamTest and
// assert[Valid|Invalid]ChangeStreamNss.
load("jstests/libs/fixture_helpers.js"); // For FixtureHelpers.
// Drop and recreate the collections to be used in this set of tests.
assertDropAndRecreateCollection(db, "t1");
assertDropAndRecreateCollection(db, "t2");
// Test that a single-database change stream cannot be opened on "admin", "config", or "local".
assertInvalidChangeStreamNss("admin", 1);
assertInvalidChangeStreamNss("config", 1);
if (!FixtureHelpers.isMongos(db)) {
assertInvalidChangeStreamNss("local", 1);
}
let cst = new ChangeStreamTest(db);
let cursor = cst.startWatchingChanges({pipeline: [{$changeStream: {}}], collection: 1});
// Test that if there are no changes, we return an empty batch.
assert.eq(0, cursor.firstBatch.length, "Cursor had changes: " + tojson(cursor));
// Test that the change stream returns an inserted doc.
assert.writeOK(db.t1.insert({_id: 0, a: 1}));
let expected = {
documentKey: {_id: 0},
fullDocument: {_id: 0, a: 1},
ns: {db: "test", coll: "t1"},
operationType: "insert",
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
// Test that the change stream returns another inserted doc in a different collection but still
// in the target db.
assert.writeOK(db.t2.insert({_id: 0, a: 2}));
expected = {
documentKey: {_id: 0},
fullDocument: {_id: 0, a: 2},
ns: {db: "test", coll: "t2"},
operationType: "insert",
};
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [expected]});
// Dropping the database should invalidate the change stream.
assert.commandWorked(db.dropDatabase());
cst.assertNextChangesEqual({cursor: cursor, expectedChanges: [{operationType: "invalidate"}]});
cst.cleanUp();
}());
|
