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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 "chrome/browser/user_style_sheet_watcher.h"
#include "base/base64.h"
#include "base/basictypes.h"
#include "base/file_util.h"
#include "base/message_loop.h"
#include "base/scoped_temp_dir.h"
#include "base/string_util.h"
#include "base/threading/thread.h"
#include "chrome/test/base/testing_browser_process.h"
#include "content/public/test/test_browser_thread.h"
#include "testing/gtest/include/gtest/gtest.h"
using content::BrowserThread;
TEST(UserStyleSheetWatcherTest, StyleLoad) {
ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
std::string css_file_contents = "a { color: green; }";
FilePath style_sheet_file = dir.path().AppendASCII("User StyleSheets")
.AppendASCII("Custom.css");
file_util::CreateDirectory(style_sheet_file.DirName());
ASSERT_TRUE(file_util::WriteFile(style_sheet_file,
css_file_contents.data(), css_file_contents.length()));
MessageLoop loop(MessageLoop::TYPE_UI);
base::Thread io_thread("UserStyleSheetWatcherTestIOThread");
base::Thread::Options options(MessageLoop::TYPE_IO, 0);
ASSERT_TRUE(io_thread.StartWithOptions(options));
content::TestBrowserThread browser_ui_thread(BrowserThread::UI, &loop);
content::TestBrowserThread browser_file_thread(BrowserThread::FILE,
io_thread.message_loop());
// It is important that the creation of |style_sheet_watcher| occur after the
// creation of |browser_ui_thread| because UserStyleSheetWatchers are
// restricted to being deleted only on UI browser threads.
scoped_refptr<UserStyleSheetWatcher> style_sheet_watcher(
new UserStyleSheetWatcher(NULL, dir.path()));
style_sheet_watcher->Init();
io_thread.Stop();
loop.RunAllPending();
GURL result_url = style_sheet_watcher->user_style_sheet();
std::string result = result_url.spec();
std::string prefix = "data:text/css;charset=utf-8;base64,";
ASSERT_TRUE(StartsWithASCII(result, prefix, true));
result = result.substr(prefix.length());
std::string decoded;
ASSERT_TRUE(base::Base64Decode(result, &decoded));
ASSERT_EQ(css_file_contents, decoded);
}
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