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| 1 # Copyright (c) 2012 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 import unittest | |
| 5 | |
| 6 from telemetry.test import simple_mock | |
| 7 | |
| 8 _ = simple_mock.DONT_CARE | |
| 9 | |
| 10 class SimpleMockUnitTest(unittest.TestCase): | |
| 11 def testBasic(self): | |
| 12 mock = simple_mock.MockObject() | |
| 13 mock.ExpectCall('foo') | |
| 14 | |
| 15 mock.foo() | |
| 16 | |
| 17 def testReturn(self): | |
| 18 mock = simple_mock.MockObject() | |
| 19 mock.ExpectCall('foo').WillReturn(7) | |
| 20 | |
| 21 ret = mock.foo() | |
| 22 self.assertEquals(ret, 7) | |
| 23 | |
| 24 def testArgs(self): | |
| 25 mock = simple_mock.MockObject() | |
| 26 mock.ExpectCall('foo').WithArgs(3, 4) | |
| 27 | |
| 28 mock.foo(3, 4) | |
| 29 | |
| 30 def testArgs2(self): | |
| 31 mock = simple_mock.MockObject() | |
| 32 mock.ExpectCall('foo', 3, 4) | |
| 33 | |
| 34 mock.foo(3, 4) | |
| 35 | |
| 36 def testArgsMismatch(self): | |
| 37 mock = simple_mock.MockObject() | |
| 38 mock.ExpectCall('foo').WithArgs(3, 4) | |
| 39 | |
| 40 self.assertRaises(Exception, | |
| 41 lambda: mock.foo(4, 4)) | |
| 42 | |
| 43 | |
| 44 def testArgsDontCare(self): | |
| 45 mock = simple_mock.MockObject() | |
| 46 mock.ExpectCall('foo').WithArgs(_, 4) | |
| 47 | |
| 48 mock.foo(4, 4) | |
| 49 | |
| 50 def testOnCall(self): | |
| 51 mock = simple_mock.MockObject() | |
| 52 | |
| 53 handler_called = [] | |
| 54 def Handler(arg0): | |
| 55 assert arg0 == 7 | |
| 56 handler_called.append(True) | |
| 57 mock.ExpectCall('baz', 7).WhenCalled(Handler) | |
| 58 | |
| 59 mock.baz(7) | |
| 60 self.assertTrue(len(handler_called) > 0) | |
| 61 | |
| 62 | |
| 63 def testSubObject(self): | |
| 64 mock = simple_mock.MockObject() | |
| 65 mock.bar = simple_mock.MockObject(mock) | |
| 66 | |
| 67 mock.ExpectCall('foo').WithArgs(_, 4) | |
| 68 mock.bar.ExpectCall('baz') | |
| 69 | |
| 70 mock.foo(0, 4) | |
| 71 mock.bar.baz() | |
| 72 | |
| 73 def testSubObjectMismatch(self): | |
| 74 mock = simple_mock.MockObject() | |
| 75 mock.bar = simple_mock.MockObject(mock) | |
| 76 | |
| 77 mock.ExpectCall('foo').WithArgs(_, 4) | |
| 78 mock.bar.ExpectCall('baz') | |
| 79 | |
| 80 self.assertRaises( | |
| 81 Exception, | |
| 82 lambda: mock.bar.baz()) # pylint: disable=W0108 | |
| 83 | |
| 84 | |
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