1 files changed, 82 insertions, 0 deletions
diff --git a/src/mongo/db/s/migration_session_id_test.cpp b/src/mongo/db/s/migration_session_id_test.cpp
new file mode 100644
index 00000000000..24e26888c53
--- /dev/null
+++ b/src/mongo/db/s/migration_session_id_test.cpp
@@ -0,0 +1,82 @@
+/**
+ *    Copyright (C) 2012 10gen Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the GNU Affero General Public License in all respects
+ *    for all of the code used other than as permitted herein. If you modify
+ *    file(s) with this exception, you may extend this exception to your
+ *    version of the file(s), but you are not obligated to do so. If you do not
+ *    wish to do so, delete this exception statement from your version. If you
+ *    delete this exception statement from all source files in the program,
+ *    then also delete it in the license file.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/db/s/migration_session_id.h"
+
+#include "mongo/base/status_with.h"
+#include "mongo/bson/bsonobjbuilder.h"
+#include "mongo/db/jsobj.h"
+#include "mongo/unittest/unittest.h"
+#include "mongo/util/time_support.h"
+
+namespace mongo {
+
+using unittest::assertGet;
+
+namespace {
+
+TEST(MigrationSessionId, GenerateAndExtract) {
+    MigrationSessionId origSessionId = MigrationSessionId::generate("Source", "Dest");
+
+    BSONObjBuilder builder;
+    origSessionId.append(&builder);
+    BSONObj obj = builder.obj();
+
+    MigrationSessionId sessionIdAfter = assertGet(MigrationSessionId::extractFromBSON(obj));
+    ASSERT(origSessionId.matches(sessionIdAfter));
+    ASSERT_EQ(origSessionId.toString(), sessionIdAfter.toString());
+}
+
+TEST(MigrationSessionId, Comparison) {
+    MigrationSessionId emptySessionId =
+        assertGet(MigrationSessionId::extractFromBSON(BSON("SomeField" << 1)));
+    MigrationSessionId nonEmptySessionId =
+        assertGet(MigrationSessionId::extractFromBSON(BSON("SomeField" << 1 << "sessionId"
+                                                                       << "TestSessionID")));
+
+    ASSERT(!emptySessionId.matches(nonEmptySessionId));
+    ASSERT(!nonEmptySessionId.matches(emptySessionId));
+
+    MigrationSessionId sessionIdToCompare =
+        assertGet(MigrationSessionId::extractFromBSON(BSON("SomeOtherField" << 1 << "sessionId"
+                                                                            << "TestSessionID")));
+    ASSERT(nonEmptySessionId.matches(sessionIdToCompare));
+    ASSERT(sessionIdToCompare.matches(nonEmptySessionId));
+}
+
+TEST(MigrationSessionId, ErrorWhenTypeIsNotString) {
+    ASSERT_NOT_OK(MigrationSessionId::extractFromBSON(
+                      BSON("SomeField" << 1 << "sessionId" << Date_t::now())).getStatus());
+    ASSERT_NOT_OK(MigrationSessionId::extractFromBSON(BSON("SomeField" << 1 << "sessionId" << 2))
+                      .getStatus());
+}
+
+}  // namespace
+}  // namespace mongo