SERVER-18288 implement a common interface for OP_COMMAND and OP_QUERY

1 files changed, 92 insertions, 0 deletions

diff --git a/src/mongo/rpc/command_request_builder_test.cpp b/src/mongo/rpc/command_request_builder_test.cpp
new file mode 100644
index 00000000000..10a4f2d8795
--- /dev/null
+++ b/src/mongo/rpc/command_request_builder_test.cpp
@@ -0,0 +1,92 @@
+/**
+ *    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/db/jsobj.h"
+#include "mongo/rpc/command_request.h"
+#include "mongo/rpc/command_request_builder.h"
+#include "mongo/rpc/document_range.h"
+#include "mongo/unittest/unittest.h"
+
+namespace {
+
+    using namespace mongo;
+
+    TEST(RequestBuilder, RoundTrip) {
+
+        auto databaseName = "barbaz";
+        auto commandName = "foobar";
+
+        BSONObjBuilder metadataBob{};
+        metadataBob.append("foo", "bar");
+        auto metadata = metadataBob.done();
+
+        BSONObjBuilder commandArgsBob{};
+        commandArgsBob.append("bar", "baz");
+        auto commandArgs = commandArgsBob.done();
+
+        BSONObjBuilder inputDoc1Bob{};
+        inputDoc1Bob.append("z", "t");
+        auto inputDoc1 = inputDoc1Bob.done();
+
+        BSONObjBuilder inputDoc2Bob{};
+        inputDoc2Bob.append("h", "j");
+        auto inputDoc2 = inputDoc2Bob.done();
+
+        BSONObjBuilder inputDoc3Bob{};
+        inputDoc3Bob.append("g", "p");
+        auto inputDoc3 = inputDoc3Bob.done();
+
+        BufBuilder inputDocs;
+        inputDoc1.appendSelfToBufBuilder(inputDocs);
+        inputDoc2.appendSelfToBufBuilder(inputDocs);
+        inputDoc3.appendSelfToBufBuilder(inputDocs);
+
+        rpc::DocumentRange inputDocRange{inputDocs.buf(), inputDocs.buf() + inputDocs.len()};
+
+        rpc::CommandRequestBuilder r;
+
+        auto msg = r.setDatabase(databaseName)
+                    .setCommandName(commandName)
+                    .setMetadata(metadata)
+                    .setCommandArgs(commandArgs)
+                    .addInputDocs(inputDocRange)
+                    .done();
+
+        rpc::CommandRequest parsed(msg.get());
+
+        ASSERT_EQUALS(parsed.getDatabase(), databaseName);
+        ASSERT_EQUALS(parsed.getCommandName(), commandName);
+        ASSERT_EQUALS(parsed.getMetadata(), metadata);
+        ASSERT_EQUALS(parsed.getCommandArgs(), commandArgs);
+        // need ostream overloads for ASSERT_EQUALS
+        ASSERT_TRUE(parsed.getInputDocs() == inputDocRange);
+    }
+
+}  // namespace