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// Copyright (c) 2011 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 "base/bind.h"
#include "base/bind_helpers.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/message_loop/message_loop.h"
#include "base/path_service.h"
#include "content/public/test/test_browser_thread.h"
#include "extensions/browser/file_reader.h"
#include "extensions/common/extension_paths.h"
#include "extensions/common/extension_resource.h"
#include "extensions/common/id_util.h"
#include "testing/gtest/include/gtest/gtest.h"
using content::BrowserThread;
namespace extensions {
class FileReaderTest : public testing::Test {
public:
FileReaderTest() : file_thread_(BrowserThread::FILE) {
file_thread_.Start();
}
private:
base::MessageLoop message_loop_;
content::TestBrowserThread file_thread_;
};
class Receiver {
public:
Receiver() : succeeded_(false) {
}
FileReader::Callback NewCallback() {
return base::Bind(&Receiver::DidReadFile, base::Unretained(this));
}
bool succeeded() const { return succeeded_; }
const std::string& data() const { return data_; }
private:
void DidReadFile(bool success, const std::string& data) {
succeeded_ = success;
data_ = data;
base::MessageLoop::current()->Quit();
}
bool succeeded_;
std::string data_;
};
void RunBasicTest(const char* filename) {
base::FilePath path;
PathService::Get(DIR_TEST_DATA, &path);
std::string extension_id = id_util::GenerateId("test");
ExtensionResource resource(
extension_id, path, base::FilePath().AppendASCII(filename));
path = path.AppendASCII(filename);
std::string file_contents;
ASSERT_TRUE(base::ReadFileToString(path, &file_contents));
Receiver receiver;
scoped_refptr<FileReader> file_reader(
new FileReader(resource, receiver.NewCallback()));
file_reader->Start();
base::MessageLoop::current()->Run();
EXPECT_TRUE(receiver.succeeded());
EXPECT_EQ(file_contents, receiver.data());
}
TEST_F(FileReaderTest, SmallFile) {
RunBasicTest("smallfile");
}
TEST_F(FileReaderTest, BiggerFile) {
RunBasicTest("bigfile");
}
TEST_F(FileReaderTest, NonExistantFile) {
base::FilePath path;
PathService::Get(DIR_TEST_DATA, &path);
std::string extension_id = id_util::GenerateId("test");
ExtensionResource resource(extension_id, path, base::FilePath(
FILE_PATH_LITERAL("file_that_does_not_exist")));
path = path.AppendASCII("file_that_does_not_exist");
Receiver receiver;
scoped_refptr<FileReader> file_reader(
new FileReader(resource, receiver.NewCallback()));
file_reader->Start();
base::MessageLoop::current()->Run();
EXPECT_FALSE(receiver.succeeded());
}
} // namespace extensions
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