1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include <stdint.h>
6 
7 #include "base/bind.h"
8 #include "base/run_loop.h"
9 #include "chrome/browser/extensions/api/image_writer_private/removable_storage_provider.h"
10 #include "chromeos/disks/mock_disk_mount_manager.h"
11 #include "content/public/test/browser_task_environment.h"
12 #include "testing/gtest/include/gtest/gtest.h"
13 
14 namespace extensions {
15 
16 namespace {
17 
18 const char kDevicePathUSB[] = "/dev/test-usb";
19 const char kDevicePathSD[] = "/dev/test-sd";
20 const char kMountPath[] = "/test-mount";
21 const char kDeviceId[] = "FFFF-FFFF";
22 const char kDeviceName[] = "Test Device Name";
23 const char kVendorName[] = "Test Vendor";
24 const char kProductName[] = "Test Product";
25 const uint64_t kDeviceSize = 1024 * 1024 * 1024;
26 const bool kOnRemovableDevice = true;
27 const char kDiskFileSystemType[] = "vfat";
28 
29 const char kUnknownSDDiskModel[] = "SD Card";
30 const char kUnknownUSBDiskModel[] = "USB Drive";
31 
32 class RemovableStorageProviderChromeOsUnitTest : public testing::Test {
33  public:
RemovableStorageProviderChromeOsUnitTest()34   RemovableStorageProviderChromeOsUnitTest() {}
SetUp()35   void SetUp() override {
36     disk_mount_manager_mock_ = new chromeos::disks::MockDiskMountManager();
37     chromeos::disks::DiskMountManager::InitializeForTesting(
38         disk_mount_manager_mock_);
39     disk_mount_manager_mock_->SetupDefaultReplies();
40   }
41 
TearDown()42   void TearDown() override { chromeos::disks::DiskMountManager::Shutdown(); }
43 
DevicesCallback(scoped_refptr<StorageDeviceList> devices)44   void DevicesCallback(scoped_refptr<StorageDeviceList> devices) {
45     devices_ = devices;
46   }
47 
CreateDisk(const std::string & device_path,chromeos::DeviceType device_type,bool is_parent,bool has_media,bool on_boot_device)48   void CreateDisk(const std::string& device_path,
49                   chromeos::DeviceType device_type,
50                   bool is_parent,
51                   bool has_media,
52                   bool on_boot_device) {
53     return CreateDisk(device_path,
54                       kVendorName,
55                       kProductName,
56                       device_type,
57                       is_parent,
58                       has_media,
59                       on_boot_device);
60   }
61 
CreateDisk(const std::string & device_path,const std::string & vendor_name,const std::string & product_name,chromeos::DeviceType device_type,bool is_parent,bool has_media,bool on_boot_device)62   void CreateDisk(const std::string& device_path,
63                   const std::string& vendor_name,
64                   const std::string& product_name,
65                   chromeos::DeviceType device_type,
66                   bool is_parent,
67                   bool has_media,
68                   bool on_boot_device) {
69     chromeos::disks::DiskMountManager::MountPointInfo mount_info(
70         device_path, kMountPath, chromeos::MOUNT_TYPE_DEVICE,
71         chromeos::disks::MOUNT_CONDITION_NONE);
72     disk_mount_manager_mock_->CreateDiskEntryForMountDevice(
73         mount_info, kDeviceId, kDeviceName, vendor_name, product_name,
74         device_type, kDeviceSize, is_parent, has_media, on_boot_device,
75         kOnRemovableDevice, kDiskFileSystemType);
76   }
77 
78   // Checks if the DeviceList has a specific entry.
FindDevice(StorageDeviceList * list,const std::string & file_path)79   api::image_writer_private::RemovableStorageDevice* FindDevice(
80       StorageDeviceList* list,
81       const std::string& file_path) {
82     for (auto& device : list->data) {
83       if (device.storage_unit_id == file_path)
84         return &device;
85     }
86     return nullptr;
87   }
88 
ExpectDevice(StorageDeviceList * list,const std::string & device_path,const std::string & vendor,const std::string & model,uint64_t capacity)89   void ExpectDevice(StorageDeviceList* list,
90                     const std::string& device_path,
91                     const std::string& vendor,
92                     const std::string& model,
93                     uint64_t capacity) {
94     auto* device = FindDevice(devices_.get(), device_path);
95 
96     ASSERT_TRUE(device);
97 
98     EXPECT_EQ(device_path, device->storage_unit_id);
99     EXPECT_EQ(vendor, device->vendor);
100     EXPECT_EQ(model, device->model);
101     EXPECT_EQ(capacity, device->capacity);
102   }
103 
104   content::BrowserTaskEnvironment task_environment_;
105   chromeos::disks::MockDiskMountManager* disk_mount_manager_mock_;
106   scoped_refptr<StorageDeviceList> devices_;
107 };
108 
109 }  // namespace
110 
111 // Tests that GetAllDevices works as expected, only exposing USB and SD cards
112 // that are parents, have media and are not boot devices.  Other flags are
113 // uninteresting or should not occur for these device types.
TEST_F(RemovableStorageProviderChromeOsUnitTest,GetAllDevices)114 TEST_F(RemovableStorageProviderChromeOsUnitTest, GetAllDevices) {
115   CreateDisk(kDevicePathUSB, chromeos::DEVICE_TYPE_USB, true, true, false);
116   CreateDisk(kDevicePathSD, chromeos::DEVICE_TYPE_SD, true, true, false);
117   CreateDisk("/dev/NotParent", chromeos::DEVICE_TYPE_USB, false, true, false);
118   CreateDisk("/dev/NoMedia", chromeos::DEVICE_TYPE_USB, true, false, false);
119   CreateDisk("/dev/OnBootDevice", chromeos::DEVICE_TYPE_USB, true, true, true);
120 
121   RemovableStorageProvider::GetAllDevices(
122       base::BindOnce(&RemovableStorageProviderChromeOsUnitTest::DevicesCallback,
123                      base::Unretained(this)));
124 
125   task_environment_.RunUntilIdle();
126 
127   ASSERT_EQ(2U, devices_->data.size());
128 
129   ExpectDevice(
130       devices_.get(), kDevicePathUSB, kVendorName, kProductName, kDeviceSize);
131   ExpectDevice(
132       devices_.get(), kDevicePathSD, kVendorName, kProductName, kDeviceSize);
133 }
134 
135 // Tests that a USB drive with an empty vendor and product gets a generic name.
TEST_F(RemovableStorageProviderChromeOsUnitTest,EmptyProductAndModel)136 TEST_F(RemovableStorageProviderChromeOsUnitTest, EmptyProductAndModel) {
137   CreateDisk(
138       kDevicePathUSB, "", "", chromeos::DEVICE_TYPE_USB, true, true, false);
139   CreateDisk(
140       kDevicePathSD, "", "", chromeos::DEVICE_TYPE_SD, true, true, false);
141 
142   RemovableStorageProvider::GetAllDevices(
143       base::BindOnce(&RemovableStorageProviderChromeOsUnitTest::DevicesCallback,
144                      base::Unretained(this)));
145 
146   task_environment_.RunUntilIdle();
147 
148   ASSERT_EQ(2U, devices_->data.size());
149 
150   ExpectDevice(
151       devices_.get(), kDevicePathUSB, "", kUnknownUSBDiskModel, kDeviceSize);
152   ExpectDevice(
153       devices_.get(), kDevicePathSD, "", kUnknownSDDiskModel, kDeviceSize);
154 }
155 
156 }  // namespace extensions
157