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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/cryptauth/cryptauth_api_call_flow.h"
#include <memory>
#include "base/macros.h"
#include "base/test/test_simple_task_runner.h"
#include "net/base/net_errors.h"
#include "net/url_request/test_url_fetcher_factory.h"
#include "net/url_request/url_request_status.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cryptauth {
namespace {
const char kSerializedRequestProto[] = "serialized_request_proto";
const char kSerializedResponseProto[] = "result_proto";
const char kRequestUrl[] = "https://googleapis.com/cryptauth/test";
} // namespace
class CryptAuthApiCallFlowTest
: public testing::Test,
public net::TestURLFetcherDelegateForTests {
protected:
CryptAuthApiCallFlowTest()
: url_request_context_getter_(new net::TestURLRequestContextGetter(
new base::TestSimpleTaskRunner())) {}
void SetUp() override {
// The TestURLFetcherFactory will override the global URLFetcherFactory for
// the entire test.
url_fetcher_factory_.reset(new net::TestURLFetcherFactory());
url_fetcher_factory_->SetDelegateForTests(this);
}
void StartApiCallFlow() {
StartApiCallFlowWithRequest(kSerializedRequestProto);
}
void StartApiCallFlowWithRequest(const std::string& serialized_request) {
flow_.Start(GURL(kRequestUrl), url_request_context_getter_.get(),
"access_token", serialized_request,
base::Bind(&CryptAuthApiCallFlowTest::OnResult,
base::Unretained(this)),
base::Bind(&CryptAuthApiCallFlowTest::OnError,
base::Unretained(this)));
// URLFetcher object for the API request should be created.
CheckCryptAuthHttpRequest(serialized_request);
}
void OnResult(const std::string& result) {
EXPECT_FALSE(result_);
result_.reset(new std::string(result));
}
void OnError(const std::string& error_message) {
EXPECT_FALSE(error_message_);
error_message_.reset(new std::string(error_message));
}
void CheckCryptAuthHttpRequest(const std::string& serialized_request) {
ASSERT_TRUE(url_fetcher_);
EXPECT_EQ(GURL(kRequestUrl), url_fetcher_->GetOriginalURL());
EXPECT_EQ(serialized_request, url_fetcher_->upload_data());
net::HttpRequestHeaders request_headers;
url_fetcher_->GetExtraRequestHeaders(&request_headers);
EXPECT_EQ("application/x-protobuf", url_fetcher_->upload_content_type());
}
// Responds to the current HTTP request. If the |error| is not |net::OK|, then
// the |response_code| and |response_string| arguments will be ignored.
void CompleteCurrentRequest(net::Error error,
int response_code,
const std::string& response_string) {
ASSERT_TRUE(url_fetcher_);
net::TestURLFetcher* url_fetcher = url_fetcher_;
url_fetcher_ = NULL;
url_fetcher->set_status(net::URLRequestStatus::FromError(error));
if (error == net::OK) {
url_fetcher->set_response_code(response_code);
url_fetcher->SetResponseString(response_string);
}
url_fetcher->delegate()->OnURLFetchComplete(url_fetcher);
}
// net::TestURLFetcherDelegateForTests overrides.
void OnRequestStart(int fetcher_id) override {
url_fetcher_ = url_fetcher_factory_->GetFetcherByID(fetcher_id);
}
void OnChunkUpload(int fetcher_id) override {}
void OnRequestEnd(int fetcher_id) override {}
net::TestURLFetcher* url_fetcher_;
std::unique_ptr<std::string> result_;
std::unique_ptr<std::string> error_message_;
private:
scoped_refptr<net::TestURLRequestContextGetter> url_request_context_getter_;
std::unique_ptr<net::TestURLFetcherFactory> url_fetcher_factory_;
CryptAuthApiCallFlow flow_;
DISALLOW_COPY_AND_ASSIGN(CryptAuthApiCallFlowTest);
};
TEST_F(CryptAuthApiCallFlowTest, RequestSuccess) {
StartApiCallFlow();
CompleteCurrentRequest(net::OK, net::HTTP_OK, kSerializedResponseProto);
EXPECT_EQ(kSerializedResponseProto, *result_);
EXPECT_FALSE(error_message_);
}
TEST_F(CryptAuthApiCallFlowTest, RequestFailure) {
StartApiCallFlow();
CompleteCurrentRequest(net::ERR_FAILED, 0, std::string());
EXPECT_FALSE(result_);
EXPECT_EQ("Request failed", *error_message_);
}
TEST_F(CryptAuthApiCallFlowTest, RequestStatus500) {
StartApiCallFlow();
CompleteCurrentRequest(net::OK, net::HTTP_INTERNAL_SERVER_ERROR,
"CryptAuth Meltdown.");
EXPECT_FALSE(result_);
EXPECT_EQ("HTTP status: 500", *error_message_);
}
// The empty string is a valid protocol buffer message serialization.
TEST_F(CryptAuthApiCallFlowTest, RequestWithNoBody) {
StartApiCallFlowWithRequest(std::string());
CompleteCurrentRequest(net::OK, net::HTTP_OK, kSerializedResponseProto);
EXPECT_EQ(kSerializedResponseProto, *result_);
EXPECT_FALSE(error_message_);
}
// The empty string is a valid protocol buffer message serialization.
TEST_F(CryptAuthApiCallFlowTest, ResponseWithNoBody) {
StartApiCallFlow();
CompleteCurrentRequest(net::OK, net::HTTP_OK, std::string());
EXPECT_EQ(std::string(), *result_);
EXPECT_FALSE(error_message_);
}
} // namespace cryptauth
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