protobuf/conformance/conformance_test.h

254 lines
11 KiB
C++

// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This file defines a protocol for running the conformance test suite
// in-process. In other words, the suite itself will run in the same process as
// the code under test.
//
// For pros and cons of this approach, please see conformance.proto.
#ifndef CONFORMANCE_CONFORMANCE_TEST_H
#define CONFORMANCE_CONFORMANCE_TEST_H
#include <functional>
#include <string>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/util/type_resolver.h>
#include <google/protobuf/wire_format_lite.h>
#include "third_party/jsoncpp/json.h"
namespace conformance {
class ConformanceRequest;
class ConformanceResponse;
} // namespace conformance
namespace protobuf_test_messages {
namespace proto3 {
class TestAllTypesProto3;
} // namespace proto3
} // namespace protobuf_test_messages
namespace google {
namespace protobuf {
class ConformanceTestRunner {
public:
virtual ~ConformanceTestRunner() {}
// Call to run a single conformance test.
//
// "input" is a serialized conformance.ConformanceRequest.
// "output" should be set to a serialized conformance.ConformanceResponse.
//
// If there is any error in running the test itself, set "runtime_error" in
// the response.
virtual void RunTest(const std::string& test_name,
const std::string& input,
std::string* output) = 0;
};
// Class representing the test suite itself. To run it, implement your own
// class derived from ConformanceTestRunner and then write code like:
//
// class MyConformanceTestRunner : public ConformanceTestRunner {
// public:
// virtual void RunTest(...) {
// // INSERT YOUR FRAMEWORK-SPECIFIC CODE HERE.
// }
// };
//
// int main() {
// MyConformanceTestRunner runner;
// google::protobuf::ConformanceTestSuite suite;
//
// std::string output;
// suite.RunSuite(&runner, &output);
// }
//
class ConformanceTestSuite {
public:
ConformanceTestSuite() : verbose_(false), enforce_recommended_(false) {}
void SetVerbose(bool verbose) { verbose_ = verbose; }
// Sets the list of tests that are expected to fail when RunSuite() is called.
// RunSuite() will fail unless the set of failing tests is exactly the same
// as this list.
//
// The filename here is *only* used to create/format useful error messages for
// how to update the failure list. We do NOT read this file at all.
void SetFailureList(const std::string& filename,
const std::vector<std::string>& failure_list);
// Whether to require the testee to pass RECOMMENDED tests. By default failing
// a RECOMMENDED test case will not fail the entire suite but will only
// generated a warning. If this flag is set to true, RECOMMENDED tests will
// be treated the same way as REQUIRED tests and failing a RECOMMENDED test
// case will cause the entire test suite to fail as well. An implementation
// can enable this if it wants to be strictly conforming to protobuf spec.
// See the comments about ConformanceLevel below to learn more about the
// difference between REQUIRED and RECOMMENDED test cases.
void SetEnforceRecommended(bool value) {
enforce_recommended_ = value;
}
// Run all the conformance tests against the given test runner.
// Test output will be stored in "output".
//
// Returns true if the set of failing tests was exactly the same as the
// failure list. If SetFailureList() was not called, returns true if all
// tests passed.
bool RunSuite(ConformanceTestRunner* runner, std::string* output);
private:
// Test cases are classified into a few categories:
// REQUIRED: the test case must be passed for an implementation to be
// interoperable with other implementations. For example, a
// parser implementaiton must accept both packed and unpacked
// form of repeated primitive fields.
// RECOMMENDED: the test case is not required for the implementation to
// be interoperable with other implementations, but is
// recommended for best performance and compatibility. For
// example, a proto3 serializer should serialize repeated
// primitive fields in packed form, but an implementation
// failing to do so will still be able to communicate with
// other implementations.
enum ConformanceLevel {
REQUIRED = 0,
RECOMMENDED = 1,
};
string ConformanceLevelToString(ConformanceLevel level);
void ReportSuccess(const std::string& test_name);
void ReportFailure(const string& test_name,
ConformanceLevel level,
const conformance::ConformanceRequest& request,
const conformance::ConformanceResponse& response,
const char* fmt, ...);
void ReportSkip(const string& test_name,
const conformance::ConformanceRequest& request,
const conformance::ConformanceResponse& response);
void RunTest(const std::string& test_name,
const conformance::ConformanceRequest& request,
conformance::ConformanceResponse* response);
void RunValidInputTest(const string& test_name,
ConformanceLevel level,
const string& input,
conformance::WireFormat input_format,
const string& equivalent_text_format,
conformance::WireFormat requested_output,
bool isProto3);
void RunValidJsonTest(const string& test_name,
ConformanceLevel level,
const string& input_json,
const string& equivalent_text_format);
void RunValidJsonTestWithProtobufInput(
const string& test_name,
ConformanceLevel level,
const protobuf_test_messages::proto3::TestAllTypesProto3& input,
const string& equivalent_text_format);
void RunValidProtobufTest(const string& test_name, ConformanceLevel level,
const string& input_protobuf,
const string& equivalent_text_format,
bool isProto3);
void RunValidProtobufTestWithMessage(
const string& test_name, ConformanceLevel level,
const Message *input,
const string& equivalent_text_format,
bool isProto3);
typedef std::function<bool(const Json::Value&)> Validator;
void RunValidJsonTestWithValidator(const string& test_name,
ConformanceLevel level,
const string& input_json,
const Validator& validator);
void ExpectParseFailureForJson(const string& test_name,
ConformanceLevel level,
const string& input_json);
void ExpectSerializeFailureForJson(const string& test_name,
ConformanceLevel level,
const string& text_format);
void ExpectParseFailureForProtoWithProtoVersion (const string& proto,
const string& test_name,
ConformanceLevel level,
bool isProto3);
void ExpectParseFailureForProto(const std::string& proto,
const std::string& test_name,
ConformanceLevel level);
void ExpectHardParseFailureForProto(const std::string& proto,
const std::string& test_name,
ConformanceLevel level);
void TestPrematureEOFForType(google::protobuf::FieldDescriptor::Type type);
void TestIllegalTags();
template <class MessageType>
void TestOneofMessage (MessageType &message,
bool isProto3);
void TestValidDataForType(
google::protobuf::FieldDescriptor::Type,
std::vector<std::pair<std::string, std::string>> values);
bool CheckSetEmpty(const set<string>& set_to_check,
const std::string& write_to_file, const std::string& msg);
ConformanceTestRunner* runner_;
int successes_;
int expected_failures_;
bool verbose_;
bool enforce_recommended_;
std::string output_;
std::string failure_list_filename_;
// The set of test names that are expected to fail in this run, but haven't
// failed yet.
std::set<std::string> expected_to_fail_;
// The set of test names that have been run. Used to ensure that there are no
// duplicate names in the suite.
std::set<std::string> test_names_;
// The set of tests that failed, but weren't expected to.
std::set<std::string> unexpected_failing_tests_;
// The set of tests that succeeded, but weren't expected to.
std::set<std::string> unexpected_succeeding_tests_;
// The set of tests that the testee opted out of;
std::set<std::string> skipped_;
google::protobuf::internal::scoped_ptr<google::protobuf::util::TypeResolver>
type_resolver_;
std::string type_url_;
};
} // namespace protobuf
} // namespace google
#endif // CONFORMANCE_CONFORMANCE_TEST_H