SERVER-16677 moved management of mongod.lock from mmapv1 engine to global environment

             added test to ensure that mongod.lock is created for all storage engines/platforms.

1 files changed, 31 insertions, 0 deletions

diff --git a/jstests/noPassthrough/lock_file.js b/jstests/noPassthrough/lock_file.js
new file mode 100644
index 00000000000..68240017c1a
--- /dev/null
+++ b/jstests/noPassthrough/lock_file.js
@@ -0,0 +1,31 @@
+// The mongod process should always create a mongod.lock file in the data directory
+// containing the process ID regardless of the storage engine requested.
+
+(function() {
+    // Ensures that mongod.lock exists and returns size of file.
+    function getMongodLockFileSize(dir) {
+        var files = listFiles(dir);
+        for (var i in files) {
+            var file = files[i];
+            if (!file.isDirectory && file.baseName == 'mongod.lock') {
+                return file.size;
+            }
+        }
+        assert(false, 'mongod.lock not found in data directory ' + dir);
+    }
+
+    var baseName = "jstests_lock_file";
+    var port = allocatePorts(1)[0] ;
+    var dbpath = MongoRunner.dataPath + baseName + '/';
+
+    // Test framework will append --storageEngine command line option if provided to smoke.py.
+    startMongodEmpty('--port', port, '--dbpath', dbpath, '--smallfiles');
+    assert.neq(0, getMongodLockFileSize(dbpath),
+               'mongod.lock should not be empty while server is running');
+
+    stopMongod(port);
+
+    // mongod.lock must be empty after shutting server down.
+    assert.eq(0, getMongodLockFileSize(dbpath),
+              'mongod.lock not truncated after shutting server down');
+}());