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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 "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/values_test_util.h"
#include "chrome/browser/extensions/test_extension_environment.h"
#include "chrome/test/base/testing_profile.h"
#include "device/usb/usb_device.h"
#include "device/usb/usb_device_handle.h"
#include "extensions/browser/api/device_permissions_manager.h"
#include "extensions/browser/extension_prefs.h"
#include "extensions/common/extension.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace {
using device::UsbDevice;
using device::UsbDeviceHandle;
using testing::Return;
class MockUsbDevice : public UsbDevice {
public:
MockUsbDevice(const std::string& serial_number, uint32 unique_id)
: UsbDevice(0, 0, unique_id), serial_number_(serial_number) {}
MOCK_METHOD0(Open, scoped_refptr<UsbDeviceHandle>());
MOCK_METHOD1(Close, bool(scoped_refptr<UsbDeviceHandle>));
#if defined(OS_CHROMEOS)
MOCK_METHOD2(RequestUsbAccess, void(int, const base::Callback<void(bool)>&));
#endif
MOCK_METHOD0(GetConfiguration, const device::UsbConfigDescriptor&());
MOCK_METHOD1(GetManufacturer, bool(base::string16*));
MOCK_METHOD1(GetProduct, bool(base::string16*));
virtual bool GetSerialNumber(base::string16* serial_number) OVERRIDE {
if (serial_number_.empty()) {
return false;
}
*serial_number = base::UTF8ToUTF16(serial_number_);
return true;
}
void NotifyDisconnect() { UsbDevice::NotifyDisconnect(); }
private:
virtual ~MockUsbDevice() {}
const std::string serial_number_;
};
} // namespace
class DevicePermissionsManagerTest : public testing::Test {
protected:
virtual void SetUp() OVERRIDE {
testing::Test::SetUp();
env_.GetExtensionPrefs(); // Force creation before adding extensions.
extension_ = env_.MakeExtension(*base::test::ParseJson(
"{"
" \"app\": {"
" \"background\": {"
" \"scripts\": [\"background.js\"]"
" }"
" },"
" \"permissions\": ["
" \"usb\""
" ]"
"}"));
device0 = new MockUsbDevice("ABCDE", 0);
device1 = new MockUsbDevice("", 1);
device2 = new MockUsbDevice("12345", 2);
device3 = new MockUsbDevice("", 3);
}
extensions::TestExtensionEnvironment env_;
const extensions::Extension* extension_;
scoped_refptr<MockUsbDevice> device0;
scoped_refptr<MockUsbDevice> device1;
scoped_refptr<MockUsbDevice> device2;
scoped_refptr<MockUsbDevice> device3;
};
TEST_F(DevicePermissionsManagerTest, RegisterDevices) {
DevicePermissionsManager* manager =
DevicePermissionsManager::Get(env_.profile());
manager->AllowUsbDevice(
extension_->id(), device0, base::ASCIIToUTF16("ABCDE"));
manager->AllowUsbDevice(extension_->id(), device1, base::string16());
scoped_ptr<DevicePermissions> device_permissions =
manager->GetForExtension(extension_->id());
ASSERT_TRUE(device_permissions->CheckUsbDevice(device0));
ASSERT_TRUE(device_permissions->CheckUsbDevice(device1));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device2));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device3));
std::vector<base::string16> device_messages =
manager->GetPermissionMessageStrings(extension_->id());
ASSERT_EQ(1U, device_messages.size());
ASSERT_NE(device_messages[0].find(base::ASCIIToUTF16("ABCDE")),
base::string16::npos);
device1->NotifyDisconnect();
device_permissions = manager->GetForExtension(extension_->id());
ASSERT_TRUE(device_permissions->CheckUsbDevice(device0));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device1));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device2));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device3));
manager->Clear(extension_->id());
device_permissions = manager->GetForExtension(extension_->id());
ASSERT_FALSE(device_permissions->CheckUsbDevice(device0));
device_messages = manager->GetPermissionMessageStrings(extension_->id());
ASSERT_EQ(0U, device_messages.size());
}
TEST_F(DevicePermissionsManagerTest, LoadPrefs) {
scoped_ptr<base::Value> prefs_value = base::test::ParseJson(
"["
" {"
" \"product_id\": 0,"
" \"serial_number\": \"ABCDE\","
" \"type\": \"usb\","
" \"vendor_id\": 0"
" }"
"]");
env_.GetExtensionPrefs()->UpdateExtensionPref(
extension_->id(), "devices", prefs_value.release());
DevicePermissionsManager* manager =
DevicePermissionsManager::Get(env_.profile());
scoped_ptr<DevicePermissions> device_permissions =
manager->GetForExtension(extension_->id());
ASSERT_TRUE(device_permissions->CheckUsbDevice(device0));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device1));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device2));
ASSERT_FALSE(device_permissions->CheckUsbDevice(device3));
}
} // namespace extensions
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