SERVER-18288 implement a common interface for OP_COMMAND and OP_QUERY

1 files changed, 109 insertions, 0 deletions

diff --git a/src/mongo/rpc/command_request_test.cpp b/src/mongo/rpc/command_request_test.cpp
new file mode 100644
index 00000000000..7f5c5b52214
--- /dev/null
+++ b/src/mongo/rpc/command_request_test.cpp
@@ -0,0 +1,109 @@
+/**
+ * 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 <iterator>
+#include <string>
+#include <vector>
+
+#include "mongo/db/jsobj.h"
+#include "mongo/rpc/command_request.h"
+#include "mongo/unittest/unittest.h"
+#include "mongo/util/net/message.h"
+
+namespace {
+
+    using namespace mongo;
+
+    TEST(RequestTest, ParseAllFields) {
+        std::vector<char> opCommandData;
+
+        using std::begin;
+        using std::end;
+
+        auto writeString = [&opCommandData](const std::string& str) {
+            opCommandData.insert(end(opCommandData), begin(str), end(str));
+            opCommandData.push_back('\0');
+        };
+
+        auto writeObj = [&opCommandData](const BSONObj& obj) {
+            opCommandData.insert(end(opCommandData), obj.objdata(),
+                                 obj.objdata() + obj.objsize());
+        };
+
+        auto database = std::string{"ookokokokok"};
+        writeString(database);
+
+        auto commandName = std::string{"abababa"};
+        writeString(commandName);
+
+        BSONObjBuilder metadataBob{};
+        metadataBob.append("foo", "bar");
+        auto metadata = metadataBob.done();
+        writeObj(metadata);
+
+        BSONObjBuilder commandArgsBob{};
+        commandArgsBob.append("baz", "garply");
+        auto commandArgs = commandArgsBob.done();
+        writeObj(commandArgs);
+
+        BSONObjBuilder inputDoc1Bob{};
+        inputDoc1Bob.append("meep", "boop").append("meow", "chirp");
+        auto inputDoc1 = inputDoc1Bob.done();
+        writeObj(inputDoc1);
+
+        BSONObjBuilder inputDoc2Bob{};
+        inputDoc1Bob.append("bleep", "bop").append("woof", "squeak");
+        auto inputDoc2 = inputDoc2Bob.done();
+        writeObj(inputDoc2);
+
+        Message toSend;
+        toSend.setData(dbCommand, opCommandData.data(), opCommandData.size());
+
+        rpc::CommandRequest opCmd{&toSend};
+
+        ASSERT_EQUALS(opCmd.getCommandName(), commandName);
+        ASSERT_EQUALS(opCmd.getDatabase(), database);
+        ASSERT_EQUALS(opCmd.getMetadata(), metadata);
+        ASSERT_EQUALS(opCmd.getCommandArgs(), commandArgs);
+
+        auto inputDocRange = opCmd.getInputDocs();
+        auto inputDocRangeIter = inputDocRange.begin();
+
+        ASSERT_EQUALS(*inputDocRangeIter, inputDoc1);
+        // can't use assert equals since we don't have an op to print the iter.
+        ASSERT_FALSE(inputDocRangeIter == inputDocRange.end());
+        ++inputDocRangeIter;
+        ASSERT_EQUALS(*inputDocRangeIter, inputDoc2);
+        ASSERT_FALSE(inputDocRangeIter == inputDocRange.end());
+        ++inputDocRangeIter;
+
+        ASSERT_TRUE(inputDocRangeIter == inputDocRange.end());
+    }
+}  // namespace