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/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/executor/mock_remote_command_runner.h"
#include <memory>
#include "mongo/bson/bsonobj.h"
#include "mongo/db/repl/hello_gen.h"
#include "mongo/db/service_context.h"
#include "mongo/executor/remote_command_runner.h"
#include "mongo/executor/remote_command_runner_test_fixture.h"
#include "mongo/executor/remote_command_targeter.h"
#include "mongo/unittest/unittest.h"
namespace mongo::executor::remote_command_runner {
namespace {
/**
* This test fixture is used to test the functionality of the mock, rather than test any facilities
* or usage of the RemoteCommandRunner implementation.
*/
class MockRemoteCommandRunnerTestFixture : public RemoteCommandRunnerTestFixture {
public:
void setUp() override {
RemoteCommandRunnerTestFixture::setUp();
auto uniqueMock = std::make_unique<MockRemoteCommandRunner>();
_mock = uniqueMock.get();
detail::RemoteCommandRunner::set(getServiceContext(), std::move(uniqueMock));
}
void tearDown() override {
detail::RemoteCommandRunner::set(getServiceContext(), nullptr);
RemoteCommandRunnerTestFixture::tearDown();
}
MockRemoteCommandRunner& getMockRunner() {
return *_mock;
}
private:
MockRemoteCommandRunner* _mock;
};
// A simple test showing that an arbitrary mock result can be set for a command scheduled through
// the RemoteCommandRunner.
TEST_F(MockRemoteCommandRunnerTestFixture, Example) {
HelloCommand hello;
initializeCommand(hello);
// Doc that shouldn't be parseable as a HelloCommandReply.
auto invalidResult = BSON("An"
<< "arbitrary"
<< "bogus"
<< "document");
getMockRunner().setMockResult(invalidResult);
auto opCtxHolder = makeOperationContext();
auto res = doRequest(hello,
opCtxHolder.get(),
std::make_unique<RemoteCommandLocalHostTargeter>(),
getExecutorPtr(),
_cancellationToken);
auto check = [&](const DBException& ex) {
ASSERT_EQ(ex.code(), 40415) << ex.toString();
ASSERT_STRING_CONTAINS(ex.reason(), "is an unknown field");
};
// Ensure we fail to parse the reply due to the unknown fields.
ASSERT_THROWS_WITH_CHECK(res.get(), DBException, check);
}
} // namespace
} // namespace mongo::executor::remote_command_runner
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