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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 "net/base/sdch_dictionary_fetcher.h"
#include <string>
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/thread_task_runner_handle.h"
#include "net/base/sdch_manager.h"
#include "net/url_request/url_request_data_job.h"
#include "net/url_request/url_request_filter.h"
#include "net/url_request/url_request_interceptor.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace net {
static const char* kSampleBufferContext = "This is a sample buffer.";
static const char* kTestDomain = "top.domain.test";
class URLRequestSpecifiedResponseJob : public URLRequestSimpleJob {
public:
URLRequestSpecifiedResponseJob(URLRequest* request,
NetworkDelegate* network_delegate)
: URLRequestSimpleJob(request, network_delegate) {}
static void AddUrlHandler() {
net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance();
jobs_requested_ = 0;
filter->AddHostnameHandler("http", kTestDomain,
&URLRequestSpecifiedResponseJob::Factory);
}
static void RemoveUrlHandler() {
net::URLRequestFilter* filter = net::URLRequestFilter::GetInstance();
filter->RemoveHostnameHandler("http", kTestDomain);
jobs_requested_ = 0;
}
static URLRequestJob* Factory(
URLRequest* request,
net::NetworkDelegate* network_delegate,
const std::string& scheme) {
++jobs_requested_;
return new URLRequestSpecifiedResponseJob(request, network_delegate);
}
static std::string ExpectedResponseForURL(const GURL& url) {
return base::StringPrintf("Response for %s\n%s\nEnd Response for %s\n",
url.spec().c_str(), kSampleBufferContext,
url.spec().c_str());
}
static int jobs_requested() { return jobs_requested_; }
private:
virtual ~URLRequestSpecifiedResponseJob() {};
virtual int GetData(std::string* mime_type,
std::string* charset,
std::string* data,
const CompletionCallback& callback) const override {
GURL url(request_->url());
*data = ExpectedResponseForURL(url);
return OK;
}
static int jobs_requested_;
};
int URLRequestSpecifiedResponseJob::jobs_requested_(0);
class SdchTestDelegate : public SdchFetcher::Delegate {
public:
struct DictionaryAdditions {
DictionaryAdditions(const std::string& dictionary_text,
const GURL& dictionary_url)
: dictionary_text(dictionary_text),
dictionary_url(dictionary_url) {}
std::string dictionary_text;
GURL dictionary_url;
};
virtual void AddSdchDictionary(const std::string& dictionary_text,
const GURL& dictionary_url) override {
dictionary_additions.push_back(
DictionaryAdditions(dictionary_text, dictionary_url));
}
void GetDictionaryAdditions(std::vector<DictionaryAdditions>* out) {
out->swap(dictionary_additions);
dictionary_additions.clear();
}
private:
std::vector<DictionaryAdditions> dictionary_additions;
};
class SdchDictionaryFetcherTest : public ::testing::Test {
public:
SdchDictionaryFetcherTest() {}
virtual void SetUp() override {
DCHECK(!fetcher_.get());
URLRequestSpecifiedResponseJob::AddUrlHandler();
fetcher_delegate_.reset(new SdchTestDelegate);
context_.reset(new TestURLRequestContext);
fetcher_.reset(new SdchDictionaryFetcher(
fetcher_delegate_.get(), context_.get()));
}
virtual void TearDown() override {
URLRequestSpecifiedResponseJob::RemoveUrlHandler();
fetcher_.reset();
context_.reset();
fetcher_delegate_.reset();
}
SdchDictionaryFetcher* fetcher() { return fetcher_.get(); }
SdchTestDelegate* manager() { return fetcher_delegate_.get(); }
// May not be called outside the SetUp()/TearDown() interval.
int JobsRequested() {
return URLRequestSpecifiedResponseJob::jobs_requested();
}
GURL PathToGurl(const char* path) {
std::string gurl_string("http://");
gurl_string += kTestDomain;
gurl_string += "/";
gurl_string += path;
return GURL(gurl_string);
}
private:
scoped_ptr<SdchTestDelegate> fetcher_delegate_;
scoped_ptr<TestURLRequestContext> context_;
scoped_ptr<SdchDictionaryFetcher> fetcher_;
};
// Schedule a fetch and make sure it happens.
TEST_F(SdchDictionaryFetcherTest, Basic) {
GURL dictionary_url(PathToGurl("dictionary"));
fetcher()->Schedule(dictionary_url);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(1, JobsRequested());
std::vector<SdchTestDelegate::DictionaryAdditions> additions;
manager()->GetDictionaryAdditions(&additions);
ASSERT_EQ(1u, additions.size());
EXPECT_EQ(URLRequestSpecifiedResponseJob::ExpectedResponseForURL(
dictionary_url), additions[0].dictionary_text);
}
// Multiple fetches of the same URL should result in only one request.
TEST_F(SdchDictionaryFetcherTest, Multiple) {
GURL dictionary_url(PathToGurl("dictionary"));
fetcher()->Schedule(dictionary_url);
fetcher()->Schedule(dictionary_url);
fetcher()->Schedule(dictionary_url);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(1, JobsRequested());
std::vector<SdchTestDelegate::DictionaryAdditions> additions;
manager()->GetDictionaryAdditions(&additions);
ASSERT_EQ(1u, additions.size());
EXPECT_EQ(URLRequestSpecifiedResponseJob::ExpectedResponseForURL(
dictionary_url), additions[0].dictionary_text);
}
// A cancel should result in no actual requests being generated.
TEST_F(SdchDictionaryFetcherTest, Cancel) {
GURL dictionary_url_1(PathToGurl("dictionary_1"));
GURL dictionary_url_2(PathToGurl("dictionary_2"));
GURL dictionary_url_3(PathToGurl("dictionary_3"));
fetcher()->Schedule(dictionary_url_1);
fetcher()->Schedule(dictionary_url_2);
fetcher()->Schedule(dictionary_url_3);
fetcher()->Cancel();
base::RunLoop().RunUntilIdle();
// Synchronous execution may have resulted in a single job being scheduled.
EXPECT_GE(1, JobsRequested());
}
}
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