Clean up Mongo databases created by the test suite.

scripts/delete-mongo-test-dbs.js

@@ -0,0 +1,24 @@
+/*
+Drop all Mongo test databases.
+
+Usage example:
+
+    mongo delete-mongo-test-dbs.js
+
+will drop every database that starts with "test_" or "acceptance_",
+but ignore other databases.
+*/
+
+
+String.prototype.startsWith = function(substring) {
+    return (this.indexOf(substring) == 0);
+}
+
+var dbNameList = db.getMongo().getDBNames();
+for (var i in dbNameList) {
+    if (dbNameList[i].startsWith('test_') || dbNameList[i].startsWith('acceptance_')) {
+        dbToDrop = db.getMongo().getDB(dbNameList[i]);
+        print("Dropping test db " + dbNameList[i]);
+        dbToDrop.dropDatabase();
+    }
+}