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/**
* Copyright (C) 2017 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/json.h"
#include "mongo/db/dbmessage.h"
#include "mongo/db/jsobj.h"
#include "mongo/rpc/legacy_request.h"
#include "mongo/rpc/legacy_request_builder.h"
#include "mongo/unittest/unittest.h"
namespace {
using namespace mongo;
TEST(LegacyRequest, RoundTrip) {
auto databaseName = "barbaz";
auto commandName = "foobar";
BSONObjBuilder metadataBob{};
metadataBob.append("$replData", BSONObj());
auto metadata = metadataBob.done();
BSONObjBuilder commandArgsBob{};
commandArgsBob.append(commandName, "baz");
auto commandArgs = commandArgsBob.done();
auto request = OpMsgRequest::fromDBAndBody(databaseName, commandArgs, metadata);
request.sequences.push_back({"sequence", {BSON("a" << 1), BSON("b" << 2)}});
auto msg = rpc::legacyRequestFromOpMsgRequest(request);
auto metadataAndSequece = BSONObjBuilder(metadata)
.append("sequence", BSON_ARRAY(BSON("a" << 1) << BSON("b" << 2)))
.obj();
auto parsed = rpc::opMsgRequestFromLegacyRequest(msg);
ASSERT_BSONOBJ_EQ(
parsed.body,
OpMsgRequest::fromDBAndBody(databaseName, commandArgs, metadataAndSequece).body);
}
TEST(LegacyRequestBuilder, DownconvertSecondaryReadPreference) {
auto readPref = BSON("mode"
<< "secondary");
auto msg = rpc::legacyRequestFromOpMsgRequest(
OpMsgRequest::fromDBAndBody("admin", BSON("ping" << 1 << "$readPreference" << readPref)));
auto parsed = QueryMessage(msg);
ASSERT_EQ(parsed.ns, "admin.$cmd"_sd);
ASSERT_EQ(parsed.queryOptions, QueryOption_SlaveOk);
ASSERT_BSONOBJ_EQ(parsed.query,
fromjson("{$query: {ping: 1}, $readPreference : {mode: 'secondary'}}"));
}
TEST(CommandRequestBuilder, DownconvertExplicitPrimaryReadPreference) {
auto readPref = BSON("mode"
<< "primary");
auto msg = rpc::legacyRequestFromOpMsgRequest(
OpMsgRequest::fromDBAndBody("admin", BSON("ping" << 1 << "$readPreference" << readPref)));
auto parsed = QueryMessage(msg);
ASSERT_EQ(parsed.ns, "admin.$cmd"_sd);
ASSERT_EQ(parsed.queryOptions, 0);
ASSERT_BSONOBJ_EQ(parsed.query,
fromjson("{$query: {ping: 1}, $readPreference : {mode: 'primary'}}"));
}
TEST(CommandRequestBuilder, DownconvertImplicitPrimaryReadPreference) {
auto msg =
rpc::legacyRequestFromOpMsgRequest(OpMsgRequest::fromDBAndBody("admin", BSON("ping" << 1)));
auto parsed = QueryMessage(msg);
ASSERT_EQ(parsed.ns, "admin.$cmd"_sd);
ASSERT_EQ(parsed.queryOptions, 0);
ASSERT_BSONOBJ_EQ(parsed.query, fromjson("{ping: 1}"));
}
} // namespace
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