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