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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/base/protobuf_http_stream_parser.h"
#include <memory>
#include <string>
#include "base/test/mock_callback.h"
#include "remoting/base/http_status.h"
#include "remoting/base/protobuf_http_client_messages.pb.h"
#include "remoting/base/protobuf_http_client_test_messages.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace {
using ::testing::_;
constexpr char kFirstTestMessage[] = "This is the first message.";
constexpr char kSecondTestMessage[] = "This is the second message.";
constexpr char kThirdTestMessage[] = "This is the third message.";
MATCHER(IsCancelStatus, "") {
return arg.error_code() == HttpStatus::Code::CANCELLED &&
arg.error_message() == "Cancelled";
}
protobufhttpclient::StreamBody CreateDefaultStream() {
protobufhttpclient::StreamBody stream_body;
stream_body.add_messages(kFirstTestMessage);
stream_body.add_messages(kSecondTestMessage);
stream_body.add_messages(kThirdTestMessage);
return stream_body;
}
std::string CreateDefaultStreamData() {
return CreateDefaultStream().SerializeAsString();
}
void SplitStringInMiddle(const std::string& input,
std::string* str_1,
std::string* str_2) {
size_t message_split_pos = input.size() / 2;
*str_1 = input.substr(0, message_split_pos);
*str_2 = input.substr(message_split_pos);
}
} // namespace
class ProtobufHttpStreamParserTest : public testing::Test {
protected:
void ExpectReceiveDefaultStreamData();
base::MockCallback<ProtobufHttpStreamParser::MessageCallback>
message_callback_;
base::MockCallback<ProtobufHttpStreamParser::StreamClosedCallback>
stream_closed_callback_;
ProtobufHttpStreamParser stream_parser_{message_callback_.Get(),
stream_closed_callback_.Get()};
};
void ProtobufHttpStreamParserTest::ExpectReceiveDefaultStreamData() {
EXPECT_CALL(message_callback_, Run(kFirstTestMessage));
EXPECT_CALL(message_callback_, Run(kSecondTestMessage));
EXPECT_CALL(message_callback_, Run(kThirdTestMessage));
}
TEST_F(ProtobufHttpStreamParserTest, ParseStreamBodyInOneShot) {
ExpectReceiveDefaultStreamData();
ASSERT_FALSE(stream_parser_.HasPendingData());
stream_parser_.Append(CreateDefaultStreamData());
ASSERT_FALSE(stream_parser_.HasPendingData());
}
TEST_F(ProtobufHttpStreamParserTest, ParseSplitStreamBody) {
ExpectReceiveDefaultStreamData();
std::string stream_data = CreateDefaultStreamData();
std::string data_1, data_2;
SplitStringInMiddle(stream_data, &data_1, &data_2);
stream_parser_.Append(data_1);
ASSERT_TRUE(stream_parser_.HasPendingData());
stream_parser_.Append(data_2);
ASSERT_FALSE(stream_parser_.HasPendingData());
}
TEST_F(ProtobufHttpStreamParserTest, CloseStreamWithCancelled) {
EXPECT_CALL(stream_closed_callback_, Run(IsCancelStatus()));
protobufhttpclient::StreamBody stream_body;
stream_body.mutable_status()->set_code(
static_cast<int>(HttpStatus::Code::CANCELLED));
stream_body.mutable_status()->set_message("Cancelled");
stream_parser_.Append(stream_body.SerializeAsString());
}
TEST_F(ProtobufHttpStreamParserTest, ParseStreamBodyWithNoops_NoopsIgnored) {
ExpectReceiveDefaultStreamData();
protobufhttpclient::StreamBody stream_body = CreateDefaultStream();
stream_body.add_noop("111111111111111");
stream_body.add_noop("111111111111111");
stream_body.add_noop("111111111111111");
stream_parser_.Append(stream_body.SerializeAsString());
ASSERT_FALSE(stream_parser_.HasPendingData());
}
TEST_F(ProtobufHttpStreamParserTest,
ParseSplitStreamBodyWithOnlyNoops_NoopsIgnored) {
protobufhttpclient::StreamBody stream_body;
stream_body.add_noop("111111111111111");
stream_body.add_noop("111111111111111");
stream_body.add_noop("111111111111111");
std::string stream_data = stream_body.SerializeAsString();
std::string data_1, data_2;
SplitStringInMiddle(stream_data, &data_1, &data_2);
stream_parser_.Append(data_1);
ASSERT_TRUE(stream_parser_.HasPendingData());
stream_parser_.Append(data_2);
ASSERT_FALSE(stream_parser_.HasPendingData());
}
TEST_F(ProtobufHttpStreamParserTest,
ParseStreamBodyWithInvalidMessages_StreamIsClosed) {
EXPECT_CALL(stream_closed_callback_, Run(_));
protobufhttpclienttest::InvalidStreamBody stream_body;
stream_body.set_messages(1);
std::string stream_data = stream_body.SerializeAsString();
stream_parser_.Append(stream_data);
}
TEST_F(ProtobufHttpStreamParserTest,
ParseStreamBodyWithInvalidStatus_StreamIsClosed) {
EXPECT_CALL(stream_closed_callback_, Run(_));
protobufhttpclienttest::InvalidStreamBody stream_body;
stream_body.set_status(2);
std::string stream_data = stream_body.SerializeAsString();
stream_parser_.Append(stream_data);
}
} // namespace remoting
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