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// Copyright (c) 2010 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.
#ifndef CHROME_TEST_UNIT_CHROME_TEST_SUITE_H_
#define CHROME_TEST_UNIT_CHROME_TEST_SUITE_H_
#pragma once
#include <string>
#include "build/build_config.h"
#include "app/app_paths.h"
#include "app/resource_bundle.h"
#include "base/command_line.h"
#include "base/stats_table.h"
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/process_util.h"
#include "base/ref_counted.h"
#include "base/scoped_nsautorelease_pool.h"
#include "base/test/test_suite.h"
#include "base/utf_string_conversions.h"
#include "chrome/app/scoped_ole_initializer.h"
#include "chrome/browser/browser_process.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/testing_browser_process.h"
#include "net/base/mock_host_resolver.h"
#include "net/base/net_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#if defined(OS_MACOSX)
#include "base/mac_util.h"
#endif
#if defined(OS_POSIX)
#include "base/shared_memory.h"
#endif
static void RemoveSharedMemoryFile(const std::string& filename) {
// Stats uses SharedMemory under the hood. On posix, this results in a file
// on disk.
#if defined(OS_POSIX)
base::SharedMemory memory;
memory.Delete(UTF8ToWide(filename));
#endif
}
// In many cases it may be not obvious that a test makes a real DNS lookup.
// We generally don't want to rely on external DNS servers for our tests,
// so this host resolver procedure catches external queries.
class WarningHostResolverProc : public net::HostResolverProc {
public:
WarningHostResolverProc() : HostResolverProc(NULL) {}
virtual int Resolve(const std::string& host,
net::AddressFamily address_family,
net::HostResolverFlags host_resolver_flags,
net::AddressList* addrlist,
int* os_error) {
const char* kLocalHostNames[] = {"localhost", "127.0.0.1"};
bool local = false;
if (host == net::GetHostName()) {
local = true;
} else {
for (size_t i = 0; i < arraysize(kLocalHostNames); i++)
if (host == kLocalHostNames[i]) {
local = true;
break;
}
}
// Make the test fail so it's harder to ignore.
// If you really need to make real DNS query, use
// net::RuleBasedHostResolverProc and its AllowDirectLookup method.
EXPECT_TRUE(local) << "Making external DNS lookup of " << host;
return ResolveUsingPrevious(host, address_family, host_resolver_flags,
addrlist, os_error);
}
};
class ChromeTestSuite : public base::TestSuite {
public:
ChromeTestSuite(int argc, char** argv)
: base::TestSuite(argc, argv),
stats_table_(NULL),
created_user_data_dir_(false) {
}
protected:
virtual void Initialize() {
base::ScopedNSAutoreleasePool autorelease_pool;
base::TestSuite::Initialize();
chrome::RegisterChromeSchemes();
host_resolver_proc_ = new WarningHostResolverProc();
scoped_host_resolver_proc_.Init(host_resolver_proc_.get());
chrome::RegisterPathProvider();
app::RegisterPathProvider();
g_browser_process = new TestingBrowserProcess;
// Notice a user data override, and otherwise default to using a custom
// user data directory that lives alongside the current app.
// NOTE: The user data directory will be erased before each UI test that
// uses it, in order to ensure consistency.
FilePath user_data_dir =
CommandLine::ForCurrentProcess()->GetSwitchValuePath(
switches::kUserDataDir);
if (user_data_dir.empty() &&
file_util::CreateNewTempDirectory(FILE_PATH_LITERAL("chrome_test_"),
&user_data_dir)) {
user_data_dir = user_data_dir.AppendASCII("test_user_data");
created_user_data_dir_ = true;
}
if (!user_data_dir.empty())
PathService::Override(chrome::DIR_USER_DATA, user_data_dir);
if (!browser_dir_.empty()) {
PathService::Override(base::DIR_EXE, browser_dir_);
PathService::Override(base::DIR_MODULE, browser_dir_);
}
#if defined(OS_MACOSX)
// Look in the framework bundle for resources.
FilePath path;
PathService::Get(base::DIR_EXE, &path);
path = path.Append(chrome::kFrameworkName);
mac_util::SetOverrideAppBundlePath(path);
#endif
// Force unittests to run using en-US so if we test against string
// output, it'll pass regardless of the system language.
ResourceBundle::InitSharedInstance("en-US");
// initialize the global StatsTable for unit_tests (make sure the file
// doesn't exist before opening it so the test gets a clean slate)
stats_filename_ = "unit_tests";
std::string pid_string = StringPrintf("-%d", base::GetCurrentProcId());
stats_filename_ += pid_string;
RemoveSharedMemoryFile(stats_filename_);
stats_table_ = new StatsTable(stats_filename_, 20, 200);
StatsTable::set_current(stats_table_);
}
virtual void Shutdown() {
ResourceBundle::CleanupSharedInstance();
#if defined(OS_MACOSX)
mac_util::SetOverrideAppBundle(NULL);
#endif
delete g_browser_process;
g_browser_process = NULL;
// Tear down shared StatsTable; prevents unit_tests from leaking it.
StatsTable::set_current(NULL);
delete stats_table_;
RemoveSharedMemoryFile(stats_filename_);
// Delete the test_user_data dir recursively
// NOTE: user_data_dir will be deleted only if it was automatically
// created.
FilePath user_data_dir;
if (created_user_data_dir_ &&
PathService::Get(chrome::DIR_USER_DATA, &user_data_dir) &&
!user_data_dir.empty()) {
file_util::Delete(user_data_dir, true);
file_util::Delete(user_data_dir.DirName(), false);
}
base::TestSuite::Shutdown();
}
void SetBrowserDirectory(const FilePath& browser_dir) {
browser_dir_ = browser_dir;
}
StatsTable* stats_table_;
// The name used for the stats file so it can be cleaned up on posix during
// test shutdown.
std::string stats_filename_;
// Alternative path to browser binaries.
FilePath browser_dir_;
ScopedOleInitializer ole_initializer_;
scoped_refptr<WarningHostResolverProc> host_resolver_proc_;
net::ScopedDefaultHostResolverProc scoped_host_resolver_proc_;
// Flag indicating whether user_data_dir was automatically created or not.
bool created_user_data_dir_;
};
#endif // CHROME_TEST_UNIT_CHROME_TEST_SUITE_H_
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