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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 "content/browser/android/url_request_content_job.h"
#include <algorithm>
#include "base/files/file_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/run_loop.h"
#include "base/strings/stringprintf.h"
#include "base/test/test_file_util.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
// A URLRequestJobFactory that will return URLRequestContentJobWithCallbacks
// instances for content:// scheme URLs.
class CallbacksJobFactory : public net::URLRequestJobFactory {
public:
class JobObserver {
public:
virtual void OnJobCreated(URLRequestContentJob* job) = 0;
};
CallbacksJobFactory(const base::FilePath& path, JobObserver* observer)
: path_(path), observer_(observer) {
}
~CallbacksJobFactory() override {}
net::URLRequestJob* MaybeCreateJobWithProtocolHandler(
const std::string& scheme,
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const override {
URLRequestContentJob* job =
new URLRequestContentJob(
request,
network_delegate,
path_,
const_cast<base::MessageLoop*>(&message_loop_)->task_runner());
observer_->OnJobCreated(job);
return job;
}
net::URLRequestJob* MaybeInterceptRedirect(
net::URLRequest* request,
net::NetworkDelegate* network_delegate,
const GURL& location) const override {
return nullptr;
}
net::URLRequestJob* MaybeInterceptResponse(
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const override {
return nullptr;
}
bool IsHandledProtocol(const std::string& scheme) const override {
return scheme == "content";
}
bool IsHandledURL(const GURL& url) const override {
return IsHandledProtocol(url.scheme());
}
bool IsSafeRedirectTarget(const GURL& location) const override {
return false;
}
private:
base::MessageLoop message_loop_;
base::FilePath path_;
JobObserver* observer_;
};
class JobObserverImpl : public CallbacksJobFactory::JobObserver {
public:
void OnJobCreated(URLRequestContentJob* job) override {
jobs_.push_back(job);
}
typedef std::vector<scoped_refptr<URLRequestContentJob> > JobList;
const JobList& jobs() { return jobs_; }
protected:
JobList jobs_;
};
// A simple holder for start/end used in http range requests.
struct Range {
int start;
int end;
explicit Range(int start, int end) {
this->start = start;
this->end = end;
}
};
// A superclass for tests of the OnSeekComplete / OnReadComplete functions of
// URLRequestContentJob.
class URLRequestContentJobTest : public testing::Test {
public:
URLRequestContentJobTest();
protected:
// This inserts an image file into the android MediaStore and retrieves the
// content URI. Then creates and runs a URLRequestContentJob to get the
// contents out of it. If a Range is provided, this function will add the
// appropriate Range http header to the request and verify the bytes
// retrieved.
void RunRequest(const Range* range);
JobObserverImpl observer_;
net::TestURLRequestContext context_;
net::TestDelegate delegate_;
};
URLRequestContentJobTest::URLRequestContentJobTest() {}
void URLRequestContentJobTest::RunRequest(const Range* range) {
base::FilePath test_dir;
PathService::Get(base::DIR_SOURCE_ROOT, &test_dir);
test_dir = test_dir.AppendASCII("content");
test_dir = test_dir.AppendASCII("test");
test_dir = test_dir.AppendASCII("data");
test_dir = test_dir.AppendASCII("android");
ASSERT_TRUE(base::PathExists(test_dir));
base::FilePath image_file = test_dir.Append(FILE_PATH_LITERAL("red.png"));
// Insert the image into MediaStore. MediaStore will do some conversions, and
// return the content URI.
base::FilePath path = base::InsertImageIntoMediaStore(image_file);
EXPECT_TRUE(path.IsContentUri());
EXPECT_TRUE(base::PathExists(path));
int64 file_size;
EXPECT_TRUE(base::GetFileSize(path, &file_size));
EXPECT_LT(0, file_size);
CallbacksJobFactory factory(path, &observer_);
context_.set_job_factory(&factory);
scoped_ptr<net::URLRequest> request(context_.CreateRequest(
GURL(path.value()), net::DEFAULT_PRIORITY, &delegate_, NULL));
int expected_length = file_size;
if (range) {
ASSERT_GE(range->start, 0);
ASSERT_GE(range->end, 0);
ASSERT_LE(range->start, range->end);
std::string range_value =
base::StringPrintf("bytes=%d-%d", range->start, range->end);
request->SetExtraRequestHeaderByName(
net::HttpRequestHeaders::kRange, range_value, true /*overwrite*/);
if (range->start <= file_size)
expected_length =
std::min(range->end, (int) (file_size - 1)) - range->start + 1;
else
expected_length = 0;
}
request->Start();
base::RunLoop loop;
loop.Run();
EXPECT_FALSE(delegate_.request_failed());
ASSERT_EQ(observer_.jobs().size(), 1u);
EXPECT_EQ(delegate_.bytes_received(), expected_length);
}
TEST_F(URLRequestContentJobTest, ContentURIWithoutRange) {
RunRequest(NULL);
}
TEST_F(URLRequestContentJobTest, ContentURIWithSmallRange) {
Range range(1, 10);
RunRequest(&range);
}
TEST_F(URLRequestContentJobTest, ContentURIWithLargeRange) {
Range range(1, 100000);
RunRequest(&range);
}
TEST_F(URLRequestContentJobTest, ContentURIWithZeroRange) {
Range range(0, 0);
RunRequest(&range);
}
} // namespace
} // namespace content
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