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// Copyright (c) 2012 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/test/base/chrome_test_suite.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/memory/ref_counted.h"
#include "base/metrics/stats_table.h"
#include "base/path_service.h"
#include "base/process_util.h"
#include "base/stringprintf.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chrome_content_browser_client.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_content_client.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/base/testing_browser_process.h"
#include "content/public/common/content_paths.h"
#include "net/base/mock_host_resolver.h"
#include "net/base/net_errors.h"
#include "net/base/net_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/base/ui_base_paths.h"
#if defined(OS_MACOSX)
#include "base/mac/bundle_locations.h"
#include "base/mac/mac_util.h"
#include "base/mac/scoped_nsautorelease_pool.h"
#include "chrome/browser/chrome_browser_application_mac.h"
#endif
#if defined(OS_POSIX)
#include "base/shared_memory.h"
#endif
#include "ui/gfx/compositor/compositor_setup.h"
namespace {
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(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 and returns a failed
// lookup result.
class LocalHostResolverProc : public net::HostResolverProc {
public:
LocalHostResolverProc() : 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", "::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;
}
}
// To avoid depending on external resources and to reduce (if not preclude)
// network interactions from tests, we simulate failure for non-local DNS
// queries, rather than perform them.
// If you really need to make an external DNS query, use
// net::RuleBasedHostResolverProc and its AllowDirectLookup method.
if (!local) {
DVLOG(1) << "To avoid external dependencies, simulating failure for "
"external DNS lookup of " << host;
return net::ERR_NOT_IMPLEMENTED;
}
return ResolveUsingPrevious(host, address_family, host_resolver_flags,
addrlist, os_error);
}
};
class ChromeTestSuiteInitializer : public testing::EmptyTestEventListener {
public:
ChromeTestSuiteInitializer() {
}
virtual void OnTestStart(const testing::TestInfo& test_info) OVERRIDE {
DCHECK(!g_browser_process);
g_browser_process = new TestingBrowserProcess;
DCHECK(!content::GetContentClient());
content_client_.reset(new chrome::ChromeContentClient);
browser_content_client_.reset(new chrome::ChromeContentBrowserClient());
content_client_->set_browser(browser_content_client_.get());
content::SetContentClient(content_client_.get());
SetUpHostResolver();
}
virtual void OnTestEnd(const testing::TestInfo& test_info) OVERRIDE {
if (g_browser_process) {
delete g_browser_process;
g_browser_process = NULL;
}
DCHECK_EQ(content_client_.get(), content::GetContentClient());
browser_content_client_.reset();
content_client_.reset();
content::SetContentClient(NULL);
TearDownHostResolver();
}
private:
void SetUpHostResolver() {
host_resolver_proc_ = new LocalHostResolverProc;
scoped_host_resolver_proc_.reset(
new net::ScopedDefaultHostResolverProc(host_resolver_proc_.get()));
}
void TearDownHostResolver() {
scoped_host_resolver_proc_.reset();
host_resolver_proc_ = NULL;
}
scoped_ptr<BrowserProcess> browser_process_;
scoped_ptr<chrome::ChromeContentClient> content_client_;
scoped_ptr<chrome::ChromeContentBrowserClient> browser_content_client_;
scoped_refptr<LocalHostResolverProc> host_resolver_proc_;
scoped_ptr<net::ScopedDefaultHostResolverProc> scoped_host_resolver_proc_;
DISALLOW_COPY_AND_ASSIGN(ChromeTestSuiteInitializer);
};
} // namespace
ChromeTestSuite::ChromeTestSuite(int argc, char** argv)
: base::TestSuite(argc, argv) {
}
ChromeTestSuite::~ChromeTestSuite() {
}
void ChromeTestSuite::Initialize() {
#if defined(OS_MACOSX)
base::mac::ScopedNSAutoreleasePool autorelease_pool;
chrome_browser_application_mac::RegisterBrowserCrApp();
#endif
base::TestSuite::Initialize();
chrome::RegisterChromeSchemes();
chrome::RegisterPathProvider();
content::RegisterPathProvider();
ui::RegisterPathProvider();
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);
base::mac::SetOverrideFrameworkBundlePath(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");
FilePath resources_pack_path;
PathService::Get(base::DIR_MODULE, &resources_pack_path);
resources_pack_path =
resources_pack_path.Append(FILE_PATH_LITERAL("resources.pak"));
ResourceBundle::AddDataPackToSharedInstance(resources_pack_path);
// Mock out the compositor on platforms that use it.
ui::SetupTestCompositor();
stats_filename_ = base::StringPrintf("unit_tests-%d",
base::GetCurrentProcId());
RemoveSharedMemoryFile(stats_filename_);
stats_table_.reset(new base::StatsTable(stats_filename_, 20, 200));
base::StatsTable::set_current(stats_table_.get());
testing::TestEventListeners& listeners =
testing::UnitTest::GetInstance()->listeners();
listeners.Append(new ChromeTestSuiteInitializer);
}
void ChromeTestSuite::Shutdown() {
ResourceBundle::CleanupSharedInstance();
#if defined(OS_MACOSX)
base::mac::SetOverrideFrameworkBundle(NULL);
#endif
base::StatsTable::set_current(NULL);
stats_table_.reset();
RemoveSharedMemoryFile(stats_filename_);
base::TestSuite::Shutdown();
}
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