mongodb/jstests/replsets/apply_ops_create_with_uuid.js

(function() {
// Test applyOps behavior for collection creation with explicit UUIDs.
"use strict";

const replTest = new ReplSetTest({nodes: 1});
replTest.startSet();
replTest.initiate();

const db = replTest.getPrimary().getDB('test');

const uuid = UUID();
// Two applyOps to create a foo collection with given uuid, one each for 'test' and 'test2' dbs.
var ops = (uuid => ["test", "test2"].map(db => {
    return {op: "c", ns: db + ".$cmd", ui: uuid, o: {create: "foo"}};
}))(uuid);

function checkUUID(coll, uuid) {
    const cmd = {listCollections: 1, filter: {name: coll}};
    const res = assert.commandWorked(db.runCommand(cmd), tojson(cmd));
    assert.eq(res.cursor.firstBatch[0].info.uuid,
              uuid,
              tojson(cmd) + " did not return expected uuid: " + tojson(res));
}

jsTestLog("Create a test.foo collection with uuid " + uuid + " through applyOps.");
let cmd = {applyOps: [ops[0]]};
let res = assert.commandWorked(db.runCommand(cmd), tojson(cmd));

// Check that test.foo has the expected UUID.
jsTestLog("Check that test.foo has UUID " + uuid);
checkUUID("foo", uuid);

// Change the ops to refer to bar, instead of foo. Command should still work, renaming the
// collection.  Second command should fail as it tries to associate the "test2.foo" name with
// an existing collection in the "test" database. This must fail.
jsTestLog("Create test.bar and try to create test2.foo collections with the same UUID.");
ops[0].o.create = "bar";
res = assert.commandFailed(db.runCommand({applyOps: ops}));
assert.eq(res.results,
          [true, false],
          "expected first operation " + tojson(ops[0]) + " to succeed, and second operation " +
              tojson(ops[1]) + " to fail, got " + tojson(res));

jsTestLog("Check that test.bar has UUID " + uuid);
checkUUID("bar", uuid);
jsTestLog("Check that test.foo no longer exists");
assert.eq(
    db.getCollectionInfos({name: "foo"}).length, 0, "expected foo collection to no longer exist");
replTest.stopSet();
}());