SERVER-30478 New test for rename during initial sync

1 files changed, 64 insertions, 0 deletions

diff --git a/jstests/replsets/initial_sync_rename_collection.js b/jstests/replsets/initial_sync_rename_collection.js
new file mode 100644
index 00000000000..56f96353023
--- /dev/null
+++ b/jstests/replsets/initial_sync_rename_collection.js
@@ -0,0 +1,64 @@
+// SERVER-4941 Test collection rename during initial sync
+
+(function() {
+    'use strict';
+
+    load('jstests/replsets/rslib.js');
+    const basename = 'initial_sync_rename_collection';
+    const numColls = 100;
+
+    jsTestLog('Bring up set');
+    const rst = new ReplSetTest({name: basename, nodes: 1});
+    rst.startSet();
+    rst.initiate();
+
+    const primary = rst.getPrimary();
+    const primaryDB = primary.getDB('d');
+    const primaryExtraDB = primary.getDB('e');
+
+    jsTestLog('Create a bunch of collections');
+    for (let i = 0; i < numColls; ++i) {
+        assert.writeOK(primaryDB['c' + i].save({}));
+    }
+    assert.writeOK(primaryExtraDB['renameAcrossDatabases'].save({}));
+
+    jsTestLog('Make sure synced');
+    rst.awaitReplication();
+
+    jsTestLog('Bring up a new node');
+    // TODO(SERVER-4941): Only a single initial sync attempt should be necessary.
+    const secondary = rst.add({setParameter: 'numInitialSyncAttempts=3'});
+    rst.reInitiate();
+    assert.eq(primary, rst.getPrimary(), 'Primary changed after reconfig');
+
+    jsTestLog('Wait for new node to start cloning');
+    secondary.setSlaveOk();
+    const secondaryDB = secondary.getDB('d');
+    const secondaryExtraDB = secondary.getDB('e');
+    wait(function() {
+        return secondaryDB.stats().collections >= 1;
+    }, 'never saw new node starting to clone, was waiting for docs in ' + secondaryDB['c0']);
+
+    jsTestLog('Rename collections on the primary');
+    const lastCollName = 'c' + (numColls - 1);
+    assert.commandWorked(primaryDB[lastCollName].renameCollection('renamed'));
+    assert.commandWorked(primaryExtraDB.adminCommand({
+        renameCollection: primaryExtraDB['renameAcrossDatabases'].getFullName(),
+        to: primaryDB[lastCollName].getFullName()
+    }));
+
+    jsTestLog('Wait for both nodes to be up-to-date');
+    assert.writeOK(primaryDB["c0"].update({}, {ready: true}, {writeConcern: {w: 2}}));
+
+    jsTestLog('Check that all collections where renamed correctly on the secondary');
+    assert.eq(secondaryExtraDB['renameAcrossDatabases'].find().itcount(),
+              0,
+              'collection RenameAcrossDatabases still exists after it was supposed to be renamed');
+    assert.eq(secondaryDB['renamed'].find().itcount(), 1, 'renamed collection does not exist');
+    assert.eq(secondaryDB[lastCollName].find().itcount(),
+              1,
+              'collection ' + lastCollName + ' expected to exist after rename across databases');
+
+    rst.checkReplicatedDataHashes();
+    rst.stopSet(15);
+})();