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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 <string>
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/synchronization/waitable_event.h"
#include "components/storage_monitor/media_storage_util.h"
#include "components/storage_monitor/removable_device_constants.h"
#include "components/storage_monitor/storage_monitor.h"
#include "components/storage_monitor/test_storage_monitor.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const char kImageCaptureDeviceId[] = "ic:xyz";
} // namespace
using content::BrowserThread;
namespace storage_monitor {
class MediaStorageUtilTest : public testing::Test {
public:
MediaStorageUtilTest()
: thread_bundle_(content::TestBrowserThreadBundle::REAL_FILE_THREAD) {}
~MediaStorageUtilTest() override {}
// Verify mounted device type.
void CheckDCIMDeviceType(const base::FilePath& mount_point) {
EXPECT_TRUE(MediaStorageUtil::HasDcim(mount_point));
}
void CheckNonDCIMDeviceType(const base::FilePath& mount_point) {
EXPECT_FALSE(MediaStorageUtil::HasDcim(mount_point));
}
void ProcessAttach(const std::string& id,
const base::FilePath::StringType& location) {
StorageInfo info(id, location, base::string16(), base::string16(),
base::string16(), 0);
monitor_->receiver()->ProcessAttach(info);
}
protected:
// Create mount point for the test device.
base::FilePath CreateMountPoint(bool create_dcim_dir) {
base::FilePath path(scoped_temp_dir_.GetPath());
if (create_dcim_dir)
path = path.Append(kDCIMDirectoryName);
if (!base::CreateDirectory(path))
return base::FilePath();
return scoped_temp_dir_.GetPath();
}
void SetUp() override {
monitor_ = TestStorageMonitor::CreateAndInstall();
ASSERT_TRUE(scoped_temp_dir_.CreateUniqueTempDir());
}
void TearDown() override {
WaitForFileThread();
TestStorageMonitor::Destroy();
}
static void PostQuitToUIThread() {
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::MessageLoop::QuitWhenIdleClosure());
}
static void WaitForFileThread() {
BrowserThread::PostTask(BrowserThread::FILE,
FROM_HERE,
base::Bind(&PostQuitToUIThread));
base::RunLoop().Run();
}
private:
content::TestBrowserThreadBundle thread_bundle_;
TestStorageMonitor* monitor_;
base::ScopedTempDir scoped_temp_dir_;
};
// Test to verify that HasDcim() function returns true for the given media
// device mount point.
TEST_F(MediaStorageUtilTest, MediaDeviceAttached) {
// Create a dummy mount point with DCIM Directory.
base::FilePath mount_point(CreateMountPoint(true));
ASSERT_FALSE(mount_point.empty());
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&MediaStorageUtilTest::CheckDCIMDeviceType,
base::Unretained(this), mount_point));
base::RunLoop().RunUntilIdle();
}
// Test to verify that HasDcim() function returns false for a given non-media
// device mount point.
TEST_F(MediaStorageUtilTest, NonMediaDeviceAttached) {
// Create a dummy mount point without DCIM Directory.
base::FilePath mount_point(CreateMountPoint(false));
ASSERT_FALSE(mount_point.empty());
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&MediaStorageUtilTest::CheckNonDCIMDeviceType,
base::Unretained(this), mount_point));
base::RunLoop().RunUntilIdle();
}
TEST_F(MediaStorageUtilTest, CanCreateFileSystemForImageCapture) {
EXPECT_TRUE(MediaStorageUtil::CanCreateFileSystem(kImageCaptureDeviceId,
base::FilePath()));
EXPECT_FALSE(MediaStorageUtil::CanCreateFileSystem(
"dcim:xyz", base::FilePath()));
EXPECT_FALSE(MediaStorageUtil::CanCreateFileSystem(
"dcim:xyz", base::FilePath(FILE_PATH_LITERAL("relative"))));
EXPECT_FALSE(MediaStorageUtil::CanCreateFileSystem(
"dcim:xyz", base::FilePath(FILE_PATH_LITERAL("../refparent"))));
}
TEST_F(MediaStorageUtilTest, DetectDeviceFiltered) {
MediaStorageUtil::DeviceIdSet devices;
devices.insert(kImageCaptureDeviceId);
base::WaitableEvent event(base::WaitableEvent::ResetPolicy::MANUAL,
base::WaitableEvent::InitialState::NOT_SIGNALED);
base::Closure signal_event =
base::Bind(&base::WaitableEvent::Signal, base::Unretained(&event));
// We need signal_event to be executed on the FILE thread, as the test thread
// is blocked. Therefore, we invoke FilterAttachedDevices on the FILE thread.
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
base::Bind(&MediaStorageUtil::FilterAttachedDevices,
base::Unretained(&devices), signal_event));
event.Wait();
EXPECT_FALSE(devices.find(kImageCaptureDeviceId) != devices.end());
ProcessAttach(kImageCaptureDeviceId, FILE_PATH_LITERAL("/location"));
devices.insert(kImageCaptureDeviceId);
event.Reset();
BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
base::Bind(&MediaStorageUtil::FilterAttachedDevices,
base::Unretained(&devices), signal_event));
event.Wait();
EXPECT_TRUE(devices.find(kImageCaptureDeviceId) != devices.end());
}
} // namespace storage_monitor
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