SERVER-22661 Write a type for ShardIdentity

1 files changed, 112 insertions, 0 deletions

diff --git a/src/mongo/db/s/type_shard_identity_test.cpp b/src/mongo/db/s/type_shard_identity_test.cpp
new file mode 100644
index 00000000000..9f97aa4c1b0
--- /dev/null
+++ b/src/mongo/db/s/type_shard_identity_test.cpp
@@ -0,0 +1,112 @@
+/**
+ *    Copyright (C) 2016 MongoDB, 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/type_shard_identity.h"
+
+#include "mongo/base/status_with.h"
+#include "mongo/db/jsobj.h"
+#include "mongo/unittest/unittest.h"
+
+namespace mongo {
+namespace {
+
+using std::string;
+
+TEST(ShardIdentityType, RoundTrip) {
+    auto clusterId(OID::gen());
+    auto doc = BSON("_id"
+                    << "shardIdentity"
+                    << "configsvrConnectionString"
+                    << "test/a:123"
+                    << "shardName"
+                    << "s1"
+                    << "clusterId" << clusterId);
+
+    auto result = ShardIdentityType::fromBSON(doc);
+    ASSERT_OK(result.getStatus());
+
+    auto shardIdentity = result.getValue();
+    ASSERT_TRUE(shardIdentity.isConfigsvrConnStringSet());
+    ASSERT_EQ("test/a:123", shardIdentity.getConfigsvrConnString());
+    ASSERT_TRUE(shardIdentity.isShardNameSet());
+    ASSERT_EQ("s1", shardIdentity.getShardName());
+    ASSERT_TRUE(shardIdentity.isClusterIdSet());
+    ASSERT_EQ(clusterId, shardIdentity.getClusterId());
+
+    ASSERT_EQ(doc, shardIdentity.toBSON());
+}
+
+TEST(ShardIdentityType, ParseMissingId) {
+    auto doc = BSON("configsvrConnectionString"
+                    << "test/a:123"
+                    << "shardName"
+                    << "s1"
+                    << "clusterId" << OID::gen());
+
+    auto result = ShardIdentityType::fromBSON(doc);
+    ASSERT_NOT_OK(result.getStatus());
+}
+
+TEST(ShardIdentityType, ParseMissingConfigsvrConnString) {
+    auto doc = BSON("_id"
+                    << "shardIdentity"
+                    << "shardName"
+                    << "s1"
+                    << "clusterId" << OID::gen());
+
+    auto result = ShardIdentityType::fromBSON(doc);
+    ASSERT_NOT_OK(result.getStatus());
+}
+
+TEST(ShardIdentityType, ParseMissingShardName) {
+    auto doc = BSON("_id"
+                    << "shardIdentity"
+                    << "configsvrConnectionString"
+                    << "test/a:123"
+                    << "clusterId" << OID::gen());
+
+    auto result = ShardIdentityType::fromBSON(doc);
+    ASSERT_NOT_OK(result.getStatus());
+}
+
+TEST(ShardIdentityType, ParseMissingClusterId) {
+    auto doc = BSON("_id"
+                    << "shardIdentity"
+                    << "configsvrConnectionString"
+                    << "test/a:123"
+                    << "shardName"
+                    << "s1");
+
+    auto result = ShardIdentityType::fromBSON(doc);
+    ASSERT_NOT_OK(result.getStatus());
+}
+
+}  // namespace mongo
+}  // unnamed namespace