1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
"""Unittest main program"""
import sys
import optparse
import os
from . import loader, runner
from .signals import installHandler
__unittest = True
FAILFAST = " -f, --failfast Stop on first failure\n"
CATCHBREAK = " -c, --catch Catch control-C and display results\n"
BUFFEROUTPUT = " -b, --buffer Buffer stdout and stderr during test runs\n"
USAGE_AS_MAIN = """\
Usage: %(progName)s [options] [tests]
Options:
-h, --help Show this message
-v, --verbose Verbose output
-q, --quiet Minimal output
%(failfast)s%(catchbreak)s%(buffer)s
Examples:
%(progName)s test_module - run tests from test_module
%(progName)s module.TestClass - run tests from module.TestClass
%(progName)s module.Class.test_method - run specified test method
[tests] can be a list of any number of test modules, classes and test
methods.
Alternative Usage: %(progName)s discover [options]
Options:
-v, --verbose Verbose output
%(failfast)s%(catchbreak)s%(buffer)s -s directory Directory to start discovery ('.' default)
-p pattern Pattern to match test files ('test*.py' default)
-t directory Top level directory of project (default to
start directory)
For test discovery all test modules must be importable from the top
level directory of the project.
"""
USAGE_FROM_MODULE = """\
Usage: %(progName)s [options] [test] [...]
Options:
-h, --help Show this message
-v, --verbose Verbose output
-q, --quiet Minimal output
%(failfast)s%(catchbreak)s%(buffer)s
Examples:
%(progName)s - run default set of tests
%(progName)s MyTestSuite - run suite 'MyTestSuite'
%(progName)s MyTestCase.testSomething - run MyTestCase.testSomething
%(progName)s MyTestCase - run all 'test*' test methods
in MyTestCase
"""
def _convert_name(name):
# on Linux / Mac OS X 'foo.PY' is not importable, but on
# Windows it is. Simpler to do a case insensitive match
# a better check would be to check that the name is a
# valid Python module name.
if os.path.isfile(name) and name.lower().endswith('.py'):
if os.path.isabs(name):
rel_path = os.path.relpath(name, os.getcwd())
if os.path.isabs(rel_path) or rel_path.startswith(os.pardir):
return name
name = rel_path
# on Windows both '\' and '/' are used as path
# separators. Better to replace both than rely on os.path.sep
return name[:-3].replace('\\', '.').replace('/', '.')
return name
def _convert_names(names):
return [_convert_name(name) for name in names]
class TestProgram(object):
"""A command-line program that runs a set of tests; this is primarily
for making test modules conveniently executable.
"""
USAGE = USAGE_FROM_MODULE
# defaults for testing
failfast = catchbreak = buffer = progName = warnings = None
def __init__(self, module='__main__', defaultTest=None, argv=None,
testRunner=None, testLoader=loader.defaultTestLoader,
exit=True, verbosity=1, failfast=None, catchbreak=None,
buffer=None, warnings=None):
if isinstance(module, str):
self.module = __import__(module)
for part in module.split('.')[1:]:
self.module = getattr(self.module, part)
else:
self.module = module
if argv is None:
argv = sys.argv
self.exit = exit
self.failfast = failfast
self.catchbreak = catchbreak
self.verbosity = verbosity
self.buffer = buffer
if warnings is None and not sys.warnoptions:
# even if DreprecationWarnings are ignored by default
# print them anyway unless other warnings settings are
# specified by the warnings arg or the -W python flag
self.warnings = 'default'
else:
# here self.warnings is set either to the value passed
# to the warnings args or to None.
# If the user didn't pass a value self.warnings will
# be None. This means that the behavior is unchanged
# and depends on the values passed to -W.
self.warnings = warnings
self.defaultTest = defaultTest
self.testRunner = testRunner
self.testLoader = testLoader
self.progName = os.path.basename(argv[0])
self.parseArgs(argv)
self.runTests()
def usageExit(self, msg=None):
if msg:
print(msg)
usage = {'progName': self.progName, 'catchbreak': '', 'failfast': '',
'buffer': ''}
if self.failfast != False:
usage['failfast'] = FAILFAST
if self.catchbreak != False:
usage['catchbreak'] = CATCHBREAK
if self.buffer != False:
usage['buffer'] = BUFFEROUTPUT
print(self.USAGE % usage)
sys.exit(2)
def parseArgs(self, argv):
if ((len(argv) > 1 and argv[1].lower() == 'discover') or
(len(argv) == 1 and self.module is None)):
self._do_discovery(argv[2:])
return
parser = self._getOptParser()
options, args = parser.parse_args(argv[1:])
self._setAttributesFromOptions(options)
if len(args) == 0 and self.module is None:
# this allows "python -m unittest -v" to still work for
# test discovery. This means -c / -b / -v / -f options will
# be handled twice, which is harmless but not ideal.
self._do_discovery(argv[1:])
return
if len(args) == 0 and self.defaultTest is None:
# createTests will load tests from self.module
self.testNames = None
elif len(args) > 0:
self.testNames = _convert_names(args)
if __name__ == '__main__':
# to support python -m unittest ...
self.module = None
else:
if isinstance(self.defaultTest, str):
self.testNames = (self.defaultTest,)
else:
self.testNames = list(self.defaultTest)
self.createTests()
def createTests(self):
if self.testNames is None:
self.test = self.testLoader.loadTestsFromModule(self.module)
else:
self.test = self.testLoader.loadTestsFromNames(self.testNames,
self.module)
def _getOptParser(self):
import optparse
parser = optparse.OptionParser()
parser.prog = self.progName
parser.add_option('-v', '--verbose', dest='verbose', default=False,
help='Verbose output', action='store_true')
parser.add_option('-q', '--quiet', dest='quiet', default=False,
help='Quiet output', action='store_true')
if self.failfast != False:
parser.add_option('-f', '--failfast', dest='failfast', default=False,
help='Stop on first fail or error',
action='store_true')
if self.catchbreak != False:
parser.add_option('-c', '--catch', dest='catchbreak', default=False,
help='Catch ctrl-C and display results so far',
action='store_true')
if self.buffer != False:
parser.add_option('-b', '--buffer', dest='buffer', default=False,
help='Buffer stdout and stderr during tests',
action='store_true')
return parser
def _setAttributesFromOptions(self, options):
# only set options from the parsing here
# if they weren't set explicitly in the constructor
if self.failfast is None:
self.failfast = options.failfast
if self.catchbreak is None:
self.catchbreak = options.catchbreak
if self.buffer is None:
self.buffer = options.buffer
if options.verbose:
self.verbosity = 2
elif options.quiet:
self.verbosity = 0
def _addDiscoveryOptions(self, parser):
parser.add_option('-s', '--start-directory', dest='start', default='.',
help="Directory to start discovery ('.' default)")
parser.add_option('-p', '--pattern', dest='pattern', default='test*.py',
help="Pattern to match tests ('test*.py' default)")
parser.add_option('-t', '--top-level-directory', dest='top', default=None,
help='Top level directory of project (defaults to start directory)')
def _do_discovery(self, argv, Loader=None):
if Loader is None:
Loader = lambda: self.testLoader
# handle command line args for test discovery
self.progName = '%s discover' % self.progName
parser = self._getOptParser()
self._addDiscoveryOptions(parser)
options, args = parser.parse_args(argv)
if len(args) > 3:
self.usageExit()
for name, value in zip(('start', 'pattern', 'top'), args):
setattr(options, name, value)
self._setAttributesFromOptions(options)
start_dir = options.start
pattern = options.pattern
top_level_dir = options.top
loader = Loader()
self.test = loader.discover(start_dir, pattern, top_level_dir)
def runTests(self):
if self.catchbreak:
installHandler()
if self.testRunner is None:
self.testRunner = runner.TextTestRunner
if isinstance(self.testRunner, type):
try:
testRunner = self.testRunner(verbosity=self.verbosity,
failfast=self.failfast,
buffer=self.buffer,
warnings=self.warnings)
except TypeError:
# didn't accept the verbosity, buffer or failfast arguments
testRunner = self.testRunner()
else:
# it is assumed to be a TestRunner instance
testRunner = self.testRunner
self.result = testRunner.run(self.test)
if self.exit:
sys.exit(not self.result.wasSuccessful())
main = TestProgram
|
