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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// TestVolumeMountWatcherWin implementation.
#include "components/storage_monitor/test_volume_mount_watcher_win.h"
#include <memory>
#include "base/files/file_path.h"
#include "base/files/scoped_temp_dir.h"
#include "base/functional/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "components/storage_monitor/storage_info.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace storage_monitor {
namespace {
base::FilePath GetTempRoot() {
base::ScopedTempDir temp_dir;
EXPECT_TRUE(temp_dir.CreateUniqueTempDir());
base::FilePath temp_root = temp_dir.GetPath();
while (temp_root.DirName() != temp_root)
temp_root = temp_root.DirName();
return temp_root;
}
std::vector<base::FilePath> FakeGetSingleAttachedDevice() {
std::vector<base::FilePath> result;
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(2)); // C
// Make sure we are adding the drive on which ScopedTempDir will make
// test directories.
base::FilePath temp_root = GetTempRoot();
if (temp_root != VolumeMountWatcherWin::DriveNumberToFilePath(2))
result.push_back(temp_root);
return result;
}
std::vector<base::FilePath> FakeGetAttachedDevices() {
std::vector<base::FilePath> result;
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(0)); // A
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(1)); // B
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(2)); // C
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(3)); // D
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(5)); // F
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(7)); // H
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(13)); // N
result.push_back(VolumeMountWatcherWin::DriveNumberToFilePath(25)); // Z
return result;
}
// Gets the details of the mass storage device specified by the |device_path|.
// |device_path| inputs of 'A:\' - 'Z:\' are valid. 'N:\' is not removable.
// 'C:\' is not removable (so that auto-added paths are correctly handled).
bool GetMassStorageDeviceDetails(const base::FilePath& device_path,
StorageInfo* info) {
DCHECK(info);
// Truncate to root path.
base::FilePath path(device_path);
if (device_path.value().length() > 3)
path = base::FilePath(device_path.value().substr(0, 3));
base::FilePath::CharType drive_letter = path.value()[0];
if (drive_letter < L'A' || drive_letter > L'Z')
return false;
StorageInfo::Type type = StorageInfo::FIXED_MASS_STORAGE;
if (path.value() != L"N:\\" && path.value() != L"C:\\" &&
path.value() != GetTempRoot().value()) {
type = StorageInfo::REMOVABLE_MASS_STORAGE_WITH_DCIM;
}
std::string unique_id =
"\\\\?\\Volume{00000000-0000-0000-0000-000000000000}\\";
unique_id[11] = static_cast<char>(drive_letter);
std::string device_id = StorageInfo::MakeDeviceId(type, unique_id);
std::u16string storage_label = path.Append(L" Drive").LossyDisplayName();
*info = StorageInfo(device_id, path.value(), storage_label, std::u16string(),
std::u16string(), 1000000);
return true;
}
} // namespace
// TestVolumeMountWatcherWin ---------------------------------------------------
TestVolumeMountWatcherWin::TestVolumeMountWatcherWin()
: attached_devices_fake_(false) {}
TestVolumeMountWatcherWin::~TestVolumeMountWatcherWin() {
}
void TestVolumeMountWatcherWin::AddDeviceForTesting(
const base::FilePath& device_path,
const std::string& device_id,
const std::u16string& storage_label,
uint64_t total_size_in_bytes) {
StorageInfo info(device_id, device_path.value(), storage_label,
std::u16string(), std::u16string(), total_size_in_bytes);
HandleDeviceAttachEventOnUIThread(device_path, info);
}
void TestVolumeMountWatcherWin::SetAttachedDevicesFake() {
attached_devices_fake_ = true;
}
void TestVolumeMountWatcherWin::DeviceCheckComplete(
const base::FilePath& device_path) {
devices_checked_.push_back(device_path);
if (device_check_complete_event_)
device_check_complete_event_->Wait();
VolumeMountWatcherWin::DeviceCheckComplete(device_path);
}
void TestVolumeMountWatcherWin::BlockDeviceCheckForTesting() {
device_check_complete_event_ = std::make_unique<base::WaitableEvent>(
base::WaitableEvent::ResetPolicy::AUTOMATIC,
base::WaitableEvent::InitialState::NOT_SIGNALED);
devices_checked_.clear();
}
void TestVolumeMountWatcherWin::ReleaseDeviceCheck() {
device_check_complete_event_->Signal();
}
// static
bool TestVolumeMountWatcherWin::GetDeviceRemovable(
const base::FilePath& device_path,
bool* removable) {
StorageInfo info;
bool success = GetMassStorageDeviceDetails(device_path, &info);
*removable = StorageInfo::IsRemovableDevice(info.device_id());
return success;
}
VolumeMountWatcherWin::GetDeviceDetailsCallbackType
TestVolumeMountWatcherWin::GetDeviceDetailsCallback() const {
return base::BindOnce(&GetMassStorageDeviceDetails);
}
VolumeMountWatcherWin::GetAttachedDevicesCallbackType
TestVolumeMountWatcherWin::GetAttachedDevicesCallback() const {
if (attached_devices_fake_)
return base::BindOnce(&FakeGetAttachedDevices);
return base::BindOnce(&FakeGetSingleAttachedDevice);
}
} // namespace storage_monitor
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