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Side by Side Diff: build/android/pylib/utils/mock_calls_test.py

Issue 2101243005: Add a snapshot of flutter/engine/src/build to our sdk (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: add README.dart Created 4 years, 5 months ago
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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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