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// Copyright 2018 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/disk.h"
#include <stdint.h>
#include <string>
#include <utility>
#include <vector>
#include "chromeos/ash/components/dbus/cros_disks/cros_disks_client.h"
#include "dbus/message.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
namespace disks {
namespace {
const char kDevicePath[] = "/sys/device/path";
const char kDeviceFile[] = "/dev/sdb1";
const char kMountPath1[] = "/media/removable/UNTITLED";
const char kMountPath2[] = "/media/removable/second_mount_path";
const char kDriveModel[] = "DriveModel";
const char kIdLabel[] = "UNTITLED";
const char kIdUuid[] = "XXXX-YYYY";
const char kStorageDevicePath[] =
"/sys/devices/pci0000:00/0000:00:14.0/usb2/2-8/2-8:1.0/host14/target14:0:0/"
"14:0:0:0";
const char kProductId[] = "1234";
const char kProductName[] = "Product Name";
const char kVendorId[] = "0000";
const char kVendorName[] = "Vendor Name";
const char kFileSystemType[] = "exfat";
const int kBusNumber = 2;
const int kDeviceNumber = 3;
const uint64_t kDeviceSize = 16005464064;
const uint32_t kDeviceMediaType = static_cast<uint32_t>(ash::DeviceType::kSD);
// Appends a boolean entry to a dictionary of type "a{sv}"
void AppendBoolDictEntry(dbus::MessageWriter* array_writer,
const std::string& key,
bool value) {
dbus::MessageWriter entry_writer(nullptr);
array_writer->OpenDictEntry(&entry_writer);
entry_writer.AppendString(key);
entry_writer.AppendVariantOfBool(value);
array_writer->CloseContainer(&entry_writer);
}
// Appends a string entry to a dictionary of type "a{sv}"
void AppendStringDictEntry(dbus::MessageWriter* array_writer,
const std::string& key,
const std::string& value) {
dbus::MessageWriter entry_writer(nullptr);
array_writer->OpenDictEntry(&entry_writer);
entry_writer.AppendString(key);
entry_writer.AppendVariantOfString(value);
array_writer->CloseContainer(&entry_writer);
}
// Appends a uint64 entry to a dictionary of type "a{sv}"
void AppendUint64DictEntry(dbus::MessageWriter* array_writer,
const std::string& key,
uint64_t value) {
dbus::MessageWriter entry_writer(nullptr);
array_writer->OpenDictEntry(&entry_writer);
entry_writer.AppendString(key);
entry_writer.AppendVariantOfUint64(value);
array_writer->CloseContainer(&entry_writer);
}
// Appends a uint32 entry to a dictionary of type "a{sv}"
void AppendUint32DictEntry(dbus::MessageWriter* array_writer,
const std::string& key,
uint64_t value) {
dbus::MessageWriter entry_writer(nullptr);
array_writer->OpenDictEntry(&entry_writer);
entry_writer.AppendString(key);
entry_writer.AppendVariantOfUint32(value);
array_writer->CloseContainer(&entry_writer);
}
// Appends a Int32 entry to a dictionary of type "a{sv}"
void AppendInt32DictEntry(dbus::MessageWriter* array_writer,
const std::string& key,
int value) {
dbus::MessageWriter entry_writer(nullptr);
array_writer->OpenDictEntry(&entry_writer);
entry_writer.AppendString(key);
entry_writer.AppendVariantOfInt32(value);
array_writer->CloseContainer(&entry_writer);
}
void AppendBasicProperties(dbus::MessageWriter* array_writer) {
AppendStringDictEntry(array_writer, cros_disks::kDeviceFile, kDeviceFile);
AppendStringDictEntry(array_writer, cros_disks::kDriveModel, kDriveModel);
AppendStringDictEntry(array_writer, cros_disks::kIdLabel, kIdLabel);
AppendStringDictEntry(array_writer, cros_disks::kIdUuid, kIdUuid);
AppendStringDictEntry(array_writer, cros_disks::kStorageDevicePath,
kStorageDevicePath);
AppendStringDictEntry(array_writer, cros_disks::kProductId, kProductId);
AppendStringDictEntry(array_writer, cros_disks::kProductName, kProductName);
AppendStringDictEntry(array_writer, cros_disks::kVendorId, kVendorId);
AppendStringDictEntry(array_writer, cros_disks::kVendorName, kVendorName);
AppendStringDictEntry(array_writer, cros_disks::kFileSystemType,
kFileSystemType);
AppendInt32DictEntry(array_writer, cros_disks::kBusNumber, kBusNumber);
AppendInt32DictEntry(array_writer, cros_disks::kDeviceNumber, kDeviceNumber);
AppendUint64DictEntry(array_writer, cros_disks::kDeviceSize, kDeviceSize);
AppendUint32DictEntry(array_writer, cros_disks::kDeviceMediaType,
kDeviceMediaType);
}
// Builds a dbus reponse with a common set of fields.
std::unique_ptr<dbus::Response> BuildBasicDbusResponse() {
std::unique_ptr<dbus::Response> response(dbus::Response::CreateEmpty());
dbus::MessageWriter writer(response.get());
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("{sv}", &array_writer);
AppendBasicProperties(&array_writer);
writer.CloseContainer(&array_writer);
return response;
}
TEST(DiskTest, ConstructFromDiskInfo) {
const char kBaseMountpath[] = "/base/mount/path";
std::unique_ptr<dbus::Response> response = BuildBasicDbusResponse();
DiskInfo disk_info(kDevicePath, response.get());
Disk disk(disk_info, false /* write_disabled_by_policy */, kBaseMountpath);
EXPECT_EQ(kDevicePath, disk.device_path());
EXPECT_EQ(kDeviceFile, disk.file_path());
EXPECT_EQ(kIdLabel, disk.device_label());
EXPECT_EQ(kDriveModel, disk.drive_label());
EXPECT_EQ(kVendorId, disk.vendor_id());
EXPECT_EQ(kVendorName, disk.vendor_name());
EXPECT_EQ(kProductId, disk.product_id());
EXPECT_EQ(kProductName, disk.product_name());
EXPECT_EQ(kIdUuid, disk.fs_uuid());
EXPECT_EQ(kBusNumber, disk.bus_number());
EXPECT_EQ(kDeviceNumber, disk.device_number());
EXPECT_EQ(kDeviceSize, disk.total_size_in_bytes());
EXPECT_EQ(DeviceType::kSD, disk.device_type());
EXPECT_EQ(kStorageDevicePath, disk.storage_device_path());
EXPECT_EQ(kBaseMountpath, disk.base_mount_path());
EXPECT_FALSE(disk.is_parent());
EXPECT_FALSE(disk.is_read_only());
EXPECT_FALSE(disk.is_read_only_hardware());
EXPECT_FALSE(disk.has_media());
EXPECT_FALSE(disk.on_boot_device());
EXPECT_FALSE(disk.on_removable_device());
EXPECT_FALSE(disk.is_mounted());
EXPECT_FALSE(disk.IsStatefulPartition());
EXPECT_FALSE(disk.is_auto_mountable());
EXPECT_TRUE(disk.is_first_mount());
// Drives are hidden by default.
EXPECT_TRUE(disk.is_hidden());
}
std::unique_ptr<Disk> BuildDiskWithProperty(const std::string& property,
bool value) {
std::unique_ptr<dbus::Response> response(dbus::Response::CreateEmpty());
{
dbus::MessageWriter writer(response.get());
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("{sv}", &array_writer);
AppendBasicProperties(&array_writer);
AppendBoolDictEntry(&array_writer, property, value);
writer.CloseContainer(&array_writer);
}
DiskInfo disk_info(kDevicePath, response.get());
return std::make_unique<Disk>(disk_info, false, "");
}
TEST(DiskTest, ConstructFromDiskInfo_BoolProperties) {
{
auto disk = BuildDiskWithProperty(cros_disks::kDeviceIsDrive, true);
EXPECT_TRUE(disk->is_parent());
}
{
auto disk = BuildDiskWithProperty(cros_disks::kDeviceIsReadOnly, true);
EXPECT_TRUE(disk->is_read_only());
EXPECT_TRUE(disk->is_read_only_hardware());
}
{
auto disk =
BuildDiskWithProperty(cros_disks::kDeviceIsMediaAvailable, true);
EXPECT_TRUE(disk->has_media());
}
{
auto disk = BuildDiskWithProperty(cros_disks::kDeviceIsOnBootDevice, true);
EXPECT_TRUE(disk->on_boot_device());
}
{
auto disk =
BuildDiskWithProperty(cros_disks::kDeviceIsOnRemovableDevice, true);
EXPECT_TRUE(disk->on_removable_device());
}
{
auto disk = BuildDiskWithProperty(cros_disks::kIsAutoMountable, true);
EXPECT_TRUE(disk->is_auto_mountable());
}
}
TEST(DiskTest, ConstructFromDiskInfo_WriteDisabledByPolicy) {
std::unique_ptr<dbus::Response> response = BuildBasicDbusResponse();
DiskInfo disk_info(kDevicePath, response.get());
Disk disk(disk_info, true /* write_disabled_by_policy */, "");
EXPECT_TRUE(disk.is_read_only());
EXPECT_FALSE(disk.is_read_only_hardware());
}
TEST(DiskTest, ConstructFromDiskInfo_Mounted) {
std::unique_ptr<dbus::Response> response(dbus::Response::CreateEmpty());
{
dbus::MessageWriter writer(response.get());
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("{sv}", &array_writer);
AppendBasicProperties(&array_writer);
{
std::vector<std::string> mounted_paths = {kMountPath1, kMountPath2};
dbus::MessageWriter entry_writer(nullptr);
array_writer.OpenDictEntry(&entry_writer);
entry_writer.AppendString(cros_disks::kDeviceMountPaths);
dbus::MessageWriter variant_writer(nullptr);
entry_writer.OpenVariant("as", &variant_writer);
variant_writer.AppendArrayOfStrings(mounted_paths);
entry_writer.CloseContainer(&variant_writer);
array_writer.CloseContainer(&entry_writer);
}
writer.CloseContainer(&array_writer);
}
DiskInfo disk_info(kDevicePath, response.get());
Disk disk(disk_info, false, "");
EXPECT_TRUE(disk.is_mounted());
EXPECT_EQ(kMountPath1, disk.mount_path());
}
TEST(DiskTest, SetMountPath) {
std::unique_ptr<dbus::Response> response = BuildBasicDbusResponse();
DiskInfo disk_info(kDevicePath, response.get());
Disk disk(disk_info, false /* write_disabled_by_policy */, "");
EXPECT_EQ("", disk.mount_path());
EXPECT_EQ("", disk.base_mount_path());
EXPECT_FALSE(disk.is_mounted());
disk.SetMountPath(kMountPath1);
EXPECT_EQ(kMountPath1, disk.mount_path());
EXPECT_EQ(kMountPath1, disk.base_mount_path());
EXPECT_FALSE(disk.is_mounted());
disk.set_mounted(true);
EXPECT_TRUE(disk.is_mounted());
}
} // namespace
} // namespace disks
} // namespace ash
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