SERVER-17606 add message parsers for OP_COMMAND/OP_COMMANDREPLY

1 files changed, 87 insertions, 0 deletions

diff --git a/src/mongo/rpc/reply_builder_test.cpp b/src/mongo/rpc/reply_builder_test.cpp
new file mode 100644
index 00000000000..7302036fe4e
--- /dev/null
+++ b/src/mongo/rpc/reply_builder_test.cpp
@@ -0,0 +1,87 @@
+/**
+ * Copyright (C) 2015 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/bson/bsonobj.h"
+#include "mongo/bson/bsonobjbuilder.h"
+#include "mongo/bson/util/builder.h"
+#include "mongo/rpc/document_range.h"
+#include "mongo/rpc/reply.h"
+#include "mongo/rpc/reply_builder.h"
+#include "mongo/unittest/unittest.h"
+
+namespace {
+
+    using namespace mongo;
+
+    TEST(ReplyBuilder, RoundTrip) {
+
+        BSONObjBuilder metadataBob{};
+        metadataBob.append("foo", "bar");
+        auto metadata = metadataBob.done();
+
+        BSONObjBuilder commandReplyBob{};
+        commandReplyBob.append("bar", "baz");
+        auto commandReply = commandReplyBob.done();
+
+        BSONObjBuilder outputDoc1Bob{};
+        outputDoc1Bob.append("z", "t");
+        auto outputDoc1 = outputDoc1Bob.done();
+
+        BSONObjBuilder outputDoc2Bob{};
+        outputDoc2Bob.append("h", "j");
+        auto outputDoc2 = outputDoc2Bob.done();
+
+        BSONObjBuilder outputDoc3Bob{};
+        outputDoc3Bob.append("g", "p");
+        auto outputDoc3 = outputDoc3Bob.done();
+
+        BufBuilder outputDocs;
+        outputDoc1.appendSelfToBufBuilder(outputDocs);
+        outputDoc2.appendSelfToBufBuilder(outputDocs);
+        outputDoc3.appendSelfToBufBuilder(outputDocs);
+
+        rpc::DocumentRange outputDocRange{outputDocs.buf(), outputDocs.buf() + outputDocs.len()};
+
+        rpc::ReplyBuilder r;
+
+        auto msg = r.setMetadata(metadata)
+                    .setCommandReply(commandReply)
+                    .addOutputDocs(outputDocRange)
+                    .done();
+
+        rpc::Reply parsed(msg.get());
+
+        ASSERT_EQUALS(parsed.getMetadata(), metadata);
+        ASSERT_EQUALS(parsed.getCommandReply(), commandReply);
+        // need ostream overloads for ASSERT_EQUALS
+        ASSERT_TRUE(parsed.getOutputDocs() == outputDocRange);
+    }
+
+}  // namespace