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1 #!/usr/bin/env python | |
2 # Copyright 2014 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 """ | |
7 Unit tests for the contents of mock_calls.py. | |
8 """ | |
9 | |
10 import logging | |
11 import os | |
12 import sys | |
13 import unittest | |
14 | |
15 from pylib import constants | |
16 from pylib.utils import mock_calls | |
17 | |
18 sys.path.append(os.path.join( | |
19 constants.DIR_SOURCE_ROOT, 'third_party', 'pymock')) | |
20 import mock # pylint: disable=F0401 | |
21 | |
22 | |
23 class _DummyAdb(object): | |
24 def __str__(self): | |
25 return '0123456789abcdef' | |
26 | |
27 def Push(self, host_path, device_path): | |
28 logging.debug('(device %s) pushing %r to %r', self, host_path, device_path) | |
29 | |
30 def IsOnline(self): | |
31 logging.debug('(device %s) checking device online', self) | |
32 return True | |
33 | |
34 def Shell(self, cmd): | |
35 logging.debug('(device %s) running command %r', self, cmd) | |
36 return "nice output\n" | |
37 | |
38 def Reboot(self): | |
39 logging.debug('(device %s) rebooted!', self) | |
40 | |
41 @property | |
42 def build_version_sdk(self): | |
43 logging.debug('(device %s) getting build_version_sdk', self) | |
44 return constants.ANDROID_SDK_VERSION_CODES.LOLLIPOP | |
45 | |
46 | |
47 class TestCaseWithAssertCallsTest(mock_calls.TestCase): | |
48 def setUp(self): | |
49 self.adb = _DummyAdb() | |
50 | |
51 def ShellError(self): | |
52 def action(cmd): | |
53 raise ValueError('(device %s) command %r is not nice' % (self.adb, cmd)) | |
54 return action | |
55 | |
56 def get_answer(self): | |
57 logging.debug("called 'get_answer' of %r object", self) | |
58 return 42 | |
59 | |
60 def echo(self, thing): | |
61 logging.debug("called 'echo' of %r object", self) | |
62 return thing | |
63 | |
64 def testCallTarget_succeds(self): | |
65 self.assertEquals(self.adb.Shell, | |
66 self.call_target(self.call.adb.Shell)) | |
67 | |
68 def testCallTarget_failsExternal(self): | |
69 with self.assertRaises(ValueError): | |
70 self.call_target(mock.call.sys.getcwd) | |
71 | |
72 def testCallTarget_failsUnknownAttribute(self): | |
73 with self.assertRaises(AttributeError): | |
74 self.call_target(self.call.adb.Run) | |
75 | |
76 def testCallTarget_failsIntermediateCalls(self): | |
77 with self.assertRaises(AttributeError): | |
78 self.call_target(self.call.adb.RunShell('cmd').append) | |
79 | |
80 def testPatchCall_method(self): | |
81 self.assertEquals(42, self.get_answer()) | |
82 with self.patch_call(self.call.get_answer, return_value=123): | |
83 self.assertEquals(123, self.get_answer()) | |
84 self.assertEquals(42, self.get_answer()) | |
85 | |
86 def testPatchCall_attribute_method(self): | |
87 with self.patch_call(self.call.adb.Shell, return_value='hello'): | |
88 self.assertEquals('hello', self.adb.Shell('echo hello')) | |
89 | |
90 def testPatchCall_global(self): | |
91 with self.patch_call(mock.call.os.getcwd, return_value='/some/path'): | |
92 self.assertEquals('/some/path', os.getcwd()) | |
93 | |
94 def testPatchCall_withSideEffect(self): | |
95 with self.patch_call(self.call.adb.Shell, side_effect=ValueError): | |
96 with self.assertRaises(ValueError): | |
97 self.adb.Shell('echo hello') | |
98 | |
99 def testPatchCall_property(self): | |
100 self.assertEquals(constants.ANDROID_SDK_VERSION_CODES.LOLLIPOP, | |
101 self.adb.build_version_sdk) | |
102 with self.patch_call( | |
103 self.call.adb.build_version_sdk, | |
104 return_value=constants.ANDROID_SDK_VERSION_CODES.KITKAT): | |
105 self.assertEquals(constants.ANDROID_SDK_VERSION_CODES.KITKAT, | |
106 self.adb.build_version_sdk) | |
107 self.assertEquals(constants.ANDROID_SDK_VERSION_CODES.LOLLIPOP, | |
108 self.adb.build_version_sdk) | |
109 | |
110 def testAssertCalls_succeeds_simple(self): | |
111 self.assertEquals(42, self.get_answer()) | |
112 with self.assertCall(self.call.get_answer(), 123): | |
113 self.assertEquals(123, self.get_answer()) | |
114 self.assertEquals(42, self.get_answer()) | |
115 | |
116 def testAssertCalls_succeeds_multiple(self): | |
117 with self.assertCalls( | |
118 (mock.call.os.getcwd(), '/some/path'), | |
119 (self.call.echo('hello'), 'hello'), | |
120 (self.call.get_answer(), 11), | |
121 self.call.adb.Push('this_file', 'that_file'), | |
122 (self.call.get_answer(), 12)): | |
123 self.assertEquals(os.getcwd(), '/some/path') | |
124 self.assertEquals('hello', self.echo('hello')) | |
125 self.assertEquals(11, self.get_answer()) | |
126 self.adb.Push('this_file', 'that_file') | |
127 self.assertEquals(12, self.get_answer()) | |
128 | |
129 def testAsserCalls_succeeds_withAction(self): | |
130 with self.assertCall( | |
131 self.call.adb.Shell('echo hello'), self.ShellError()): | |
132 with self.assertRaises(ValueError): | |
133 self.adb.Shell('echo hello') | |
134 | |
135 def testAssertCalls_fails_tooManyCalls(self): | |
136 with self.assertRaises(AssertionError): | |
137 with self.assertCalls(self.call.adb.IsOnline()): | |
138 self.adb.IsOnline() | |
139 self.adb.IsOnline() | |
140 | |
141 def testAssertCalls_fails_tooFewCalls(self): | |
142 with self.assertRaises(AssertionError): | |
143 with self.assertCalls(self.call.adb.IsOnline()): | |
144 pass | |
145 | |
146 def testAssertCalls_succeeds_extraCalls(self): | |
147 # we are not watching Reboot, so the assertion succeeds | |
148 with self.assertCalls(self.call.adb.IsOnline()): | |
149 self.adb.IsOnline() | |
150 self.adb.Reboot() | |
151 | |
152 def testAssertCalls_fails_extraCalls(self): | |
153 self.watchCalls([self.call.adb.Reboot]) | |
154 # this time we are also watching Reboot, so the assertion fails | |
155 with self.assertRaises(AssertionError): | |
156 with self.assertCalls(self.call.adb.IsOnline()): | |
157 self.adb.IsOnline() | |
158 self.adb.Reboot() | |
159 | |
160 def testAssertCalls_succeeds_NoCalls(self): | |
161 self.watchMethodCalls(self.call.adb) # we are watching all adb methods | |
162 with self.assertCalls(): | |
163 pass | |
164 | |
165 def testAssertCalls_fails_NoCalls(self): | |
166 self.watchMethodCalls(self.call.adb) | |
167 with self.assertRaises(AssertionError): | |
168 with self.assertCalls(): | |
169 self.adb.IsOnline() | |
170 | |
171 | |
172 if __name__ == '__main__': | |
173 logging.getLogger().setLevel(logging.DEBUG) | |
174 unittest.main(verbosity=2) | |
175 | |
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