SERVER-42118 Fix configurations for finer-grained DDL locking tests

Author: xy24

jstests/core/txns/create_collection_not_blocked_by_txn.js

@@ -7,27 +7,26 @@
 (function() {
 "use strict";
 
-let rst = new ReplSetTest({nodes: 1});
-rst.startSet();
-rst.initiate();
+let dbName = 'create_collection_not_blocked_by_txn';
+let mydb = db.getSiblingDB(dbName);
 
-let db = rst.getPrimary().getDB("test");
+mydb.a.drop({writeConcern: {w: "majority"}});
+mydb.b.drop({writeConcern: {w: "majority"}});
+mydb.c.drop({writeConcern: {w: "majority"}});
 
-assert.commandWorked(db.runCommand({insert: "a", documents: [{x: 1}]}));
+assert.commandWorked(mydb.runCommand({insert: "a", documents: [{x: 1}]}));
 
-const session = db.getMongo().startSession();
-const sessionDb = session.getDatabase("test");
+const session = mydb.getMongo().startSession();
+const sessionDb = session.getDatabase(dbName);
 
 session.startTransaction();
 // This holds a database IX lock and a collection IX lock on "a".
 sessionDb.a.insert({y: 1});
 
 // This only requires database IX lock.
-assert.commandWorked(db.createCollection("b"));
+assert.commandWorked(mydb.createCollection("b"));
 // Implicit creation.
-assert.commandWorked(db.runCommand({insert: "c", documents: [{x: 2}]}));
+assert.commandWorked(mydb.runCommand({insert: "c", documents: [{x: 2}]}));
 
 assert.commandWorked(session.commitTransaction_forTesting());
-
-rst.stopSet();
 })();

jstests/core/txns/drop_collection_not_blocked_by_txn.js

@@ -7,26 +7,21 @@
 (function() {
 "use strict";
 
-let rst = new ReplSetTest({nodes: 1});
-rst.startSet();
-rst.initiate();
+let dbName = 'drop_collection_not_blocked_by_txn';
+let mydb = db.getSiblingDB(dbName);
 
-let db = rst.getPrimary().getDB("test");
+assert.commandWorked(mydb.runCommand({insert: "a", documents: [{x: 1}]}));
+assert.commandWorked(mydb.runCommand({insert: "b", documents: [{x: 1}]}));
 
-assert.commandWorked(db.runCommand({insert: "a", documents: [{x: 1}]}));
-assert.commandWorked(db.runCommand({insert: "b", documents: [{x: 1}]}));
-
-const session = db.getMongo().startSession();
-const sessionDb = session.getDatabase("test");
+const session = mydb.getMongo().startSession();
+const sessionDb = session.getDatabase(dbName);
 
 session.startTransaction();
 // This holds a database IX lock and a collection IX lock on "a".
 sessionDb.a.insert({y: 1});
 
 // This only requires database IX lock.
-assert.commandWorked(db.runCommand({drop: "b"}));
+assert.commandWorked(mydb.runCommand({drop: "b"}));
 
 assert.commandWorked(session.commitTransaction_forTesting());
-
-rst.stopSet();
 })();

jstests/core/txns/rename_collection_not_blocked_by_txn.js

@@ -7,28 +7,29 @@
 (function() {
 "use strict";
 
-let rst = new ReplSetTest({nodes: 1});
-rst.startSet();
-rst.initiate();
+let dbName = 'rename_collection_not_blocked_by_txn';
+let mydb = db.getSiblingDB(dbName);
 
-let db = rst.getPrimary().getDB("test");
+mydb.t.drop({writeConcern: {w: "majority"}});
+mydb.a.drop({writeConcern: {w: "majority"}});
+mydb.b.drop({writeConcern: {w: "majority"}});
+mydb.c.drop({writeConcern: {w: "majority"}});
 
-assert.commandWorked(db.runCommand({insert: "t", documents: [{x: 1}]}));
-assert.commandWorked(db.runCommand({insert: "a", documents: [{x: 1}]}));
-assert.commandWorked(db.runCommand({insert: "b", documents: [{x: 1}]}));
+assert.commandWorked(mydb.runCommand({insert: "t", documents: [{x: 1}]}));
+assert.commandWorked(mydb.runCommand({insert: "a", documents: [{x: 1}]}));
+assert.commandWorked(mydb.runCommand({insert: "b", documents: [{x: 1}]}));
 
-const session = db.getMongo().startSession();
-const sessionDb = session.getDatabase("test");
+const session = mydb.getMongo().startSession();
+const sessionDb = session.getDatabase(dbName);
 
 session.startTransaction();
 // This holds a database IX lock and a collection IX lock on "test.t".
 sessionDb.t.insert({y: 1});
 
 // This only requires database IX lock.
-assert.commandWorked(db.adminCommand({renameCollection: "test.a", to: "test.b", dropTarget: true}));
-assert.commandWorked(db.adminCommand({renameCollection: "test.b", to: "test.c"}));
+assert.commandWorked(
+    mydb.adminCommand({renameCollection: dbName + ".a", to: dbName + ".b", dropTarget: true}));
+assert.commandWorked(mydb.adminCommand({renameCollection: dbName + ".b", to: dbName + ".c"}));
 
 assert.commandWorked(session.commitTransaction_forTesting());
-
-rst.stopSet();
 })();