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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/disks/suspend_unmount_manager.h"
#include <algorithm>
#include <string>
#include <vector>
#include "chromeos/ash/components/disks/disk_mount_manager.h"
#include "chromeos/ash/components/disks/mock_disk_mount_manager.h"
#include "chromeos/dbus/power/fake_power_manager_client.h"
#include "chromeos/dbus/power_manager/suspend.pb.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash::disks {
namespace {
using testing::UnorderedElementsAre;
const char kDeviceId[] = "device_id";
const char kDeviceLabel[] = "device_label";
const char kVendor[] = "vendor";
const char kProduct[] = "product";
const char kFileSystemType[] = "exfat";
class FakeDiskMountManager : public MockDiskMountManager {
public:
void NotifyUnmountDeviceComplete(MountError error) {
for (size_t i = 0; i < callbacks_.size(); i++) {
std::move(callbacks_[i]).Run(error);
}
callbacks_.clear();
}
const std::vector<std::string>& unmounting_mount_paths() const {
return unmounting_mount_paths_;
}
private:
void UnmountPath(const std::string& mount_path,
UnmountPathCallback callback) override {
unmounting_mount_paths_.push_back(mount_path);
callbacks_.push_back(std::move(callback));
}
std::vector<std::string> unmounting_mount_paths_;
std::vector<UnmountPathCallback> callbacks_;
};
class SuspendUnmountManagerTest : public testing::Test {
public:
SuspendUnmountManagerTest() {
chromeos::PowerManagerClient::InitializeFake();
suspend_unmount_manager_ =
std::make_unique<SuspendUnmountManager>(&disk_mount_manager_);
}
SuspendUnmountManagerTest(const SuspendUnmountManagerTest&) = delete;
SuspendUnmountManagerTest& operator=(const SuspendUnmountManagerTest&) =
delete;
~SuspendUnmountManagerTest() override {
suspend_unmount_manager_.reset();
chromeos::PowerManagerClient::Shutdown();
}
protected:
FakeDiskMountManager disk_mount_manager_;
std::unique_ptr<SuspendUnmountManager> suspend_unmount_manager_;
};
TEST_F(SuspendUnmountManagerTest, Basic) {
const std::string kDummyMountPathUsb = "/dummy/mount/usb";
const std::string kDummyMountPathSd = "/dummy/mount/sd";
const std::string kDummyMountPathUnknown = "/dummy/mount/unknown";
disk_mount_manager_.CreateDiskEntryForMountDevice(
{"/dummy/device/usb", kDummyMountPathUsb, MountType::kDevice}, kDeviceId,
kDeviceLabel, kVendor, kProduct, DeviceType::kUSB, 1024 * 1024,
false /* is_parent */, false /* has_media */, false /* on_boot_device */,
true /* on_removable_device */, kFileSystemType);
disk_mount_manager_.CreateDiskEntryForMountDevice(
{"/dummy/device/sd", kDummyMountPathSd, MountType::kDevice}, kDeviceId,
kDeviceLabel, kVendor, kProduct, DeviceType::kSD, 1024 * 1024,
false /* is_parent */, false /* has_media */, false /* on_boot_device */,
true /* on_removable_device */, kFileSystemType);
disk_mount_manager_.CreateDiskEntryForMountDevice(
{"/dummy/device/unknown", kDummyMountPathUnknown, MountType::kDevice},
kDeviceId, kDeviceLabel, kVendor, kProduct, DeviceType::kUnknown,
1024 * 1024, false /* is_parent */, false /* has_media */,
false /* on_boot_device */, true /* on_removable_device */,
kFileSystemType);
disk_mount_manager_.SetupDefaultReplies();
chromeos::FakePowerManagerClient::Get()->SendSuspendImminent(
power_manager::SuspendImminent_Reason_OTHER);
EXPECT_EQ(1, chromeos::FakePowerManagerClient::Get()
->num_pending_suspend_readiness_callbacks());
EXPECT_EQ(2u, disk_mount_manager_.unmounting_mount_paths().size());
EXPECT_EQ(1, std::ranges::count(disk_mount_manager_.unmounting_mount_paths(),
kDummyMountPathUsb));
EXPECT_EQ(1, std::ranges::count(disk_mount_manager_.unmounting_mount_paths(),
kDummyMountPathSd));
EXPECT_EQ(0, std::ranges::count(disk_mount_manager_.unmounting_mount_paths(),
kDummyMountPathUnknown));
disk_mount_manager_.NotifyUnmountDeviceComplete(MountError::kSuccess);
EXPECT_EQ(0, chromeos::FakePowerManagerClient::Get()
->num_pending_suspend_readiness_callbacks());
}
TEST_F(SuspendUnmountManagerTest, CancelAndSuspendAgain) {
const std::string kDummyMountPath = "/dummy/mount";
disk_mount_manager_.CreateDiskEntryForMountDevice(
{"/dummy/device", kDummyMountPath, MountType::kDevice}, kDeviceId,
kDeviceLabel, kVendor, kProduct, DeviceType::kUSB, 1024 * 1024,
false /* is_parent */, false /* has_media */, false /* on_boot_device */,
true /* on_removable_device */, kFileSystemType);
disk_mount_manager_.SetupDefaultReplies();
chromeos::FakePowerManagerClient::Get()->SendSuspendImminent(
power_manager::SuspendImminent_Reason_OTHER);
EXPECT_EQ(1, chromeos::FakePowerManagerClient::Get()
->num_pending_suspend_readiness_callbacks());
ASSERT_EQ(1u, disk_mount_manager_.unmounting_mount_paths().size());
EXPECT_THAT(disk_mount_manager_.unmounting_mount_paths(),
UnorderedElementsAre(kDummyMountPath));
// Suspend cancelled.
chromeos::FakePowerManagerClient::Get()->SendSuspendDone();
// Suspend again.
chromeos::FakePowerManagerClient::Get()->SendSuspendImminent(
power_manager::SuspendImminent_Reason_OTHER);
EXPECT_THAT(disk_mount_manager_.unmounting_mount_paths(),
UnorderedElementsAre(kDummyMountPath));
}
} // namespace
} // namespace ash::disks
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