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.
7 from memory_inspector.core import backends
10 class MockDevice(backends.Device): # pylint: disable=W0223
11 def __init__(self, backend, device_id):
12 super(MockDevice, self).__init__(backend)
13 self.device_id = device_id
17 return "Mock Device %s" % self.device_id
24 class MockBackend(backends.Backend):
25 _SETTINGS = {'key_1': 'key descritpion 1'}
27 def __init__(self, backend_name):
28 super(MockBackend, self).__init__(MockBackend._SETTINGS)
29 self.backend_name = backend_name
31 def EnumerateDevices(self):
32 yield MockDevice(self, 'device-1')
33 yield MockDevice(self, 'device-2')
37 return self.backend_name
40 class BackendRegisterTest(unittest.TestCase):
42 mock_backend_1 = MockBackend('mock-backend-1')
43 mock_backend_2 = MockBackend('mock-backend-2')
44 self.assertEqual(mock_backend_1.settings['key_1'], 'key descritpion 1')
45 backends.Register(mock_backend_1)
46 backends.Register(mock_backend_2)
47 devices = list(backends.ListDevices())
48 self.assertEqual(len(devices), 4)
49 self.assertIsNotNone(backends.GetDevice('mock-backend-1', 'device-1'))
50 self.assertIsNotNone(backends.GetDevice('mock-backend-1', 'device-2'))
51 self.assertIsNotNone(backends.GetDevice('mock-backend-2', 'device-1'))
52 self.assertIsNotNone(backends.GetDevice('mock-backend-2', 'device-1'))
53 self.assertTrue('key_1' in mock_backend_1.settings)