File: main.py

package info (click to toggle)
llvm-toolchain-5.0 1:5.0.1-2~bpo9+1
  • links: PTS, VCS
  • area: main
  • in suites: stretch-backports
  • size: 553,688 kB
  • sloc: cpp: 2,878,786; ansic: 584,110; asm: 246,252; python: 124,751; objc: 106,925; sh: 21,542; lisp: 8,628; pascal: 5,885; ml: 5,544; perl: 5,312; makefile: 2,208; cs: 2,022; xml: 686; php: 212; csh: 117
file content (258 lines) | stat: -rw-r--r-- 9,476 bytes parent folder | download | duplicates (15)
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
"""Unittest main program"""

import sys
import os
import types
import six

from unittest2 import loader, runner
try:
    from unittest2.signals import installHandler
except ImportError:
    installHandler = None

__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 test_module.TestClass             - run tests from
                                                   test_module.TestClass
  %(progName)s test_module.TestClass.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
"""


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 = 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):
        if isinstance(module, six.string_types):
            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.verbosity = verbosity
        self.failfast = failfast
        self.catchbreak = catchbreak
        self.buffer = buffer
        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:
            usage['failfast'] = FAILFAST
        if self.catchbreak and installHandler is not None:
            usage['catchbreak'] = CATCHBREAK
        if self.buffer:
            usage['buffer'] = BUFFEROUTPUT
        print(self.USAGE % usage)
        sys.exit(2)

    def parseArgs(self, argv):
        if len(argv) > 1 and argv[1].lower() == 'discover':
            self._do_discovery(argv[2:])
            return

        import getopt
        long_opts = ['help', 'verbose', 'quiet', 'failfast', 'catch', 'buffer']
        try:
            options, args = getopt.getopt(argv[1:], 'hHvqfcb', long_opts)
            for opt, value in options:
                if opt in ('-h', '-H', '--help'):
                    self.usageExit()
                if opt in ('-q', '--quiet'):
                    self.verbosity = 0
                if opt in ('-v', '--verbose'):
                    self.verbosity = 2
                if opt in ('-f', '--failfast'):
                    if self.failfast is None:
                        self.failfast = True
                    # Should this raise an exception if -f is not valid?
                if opt in ('-c', '--catch'):
                    if self.catchbreak is None and installHandler is not None:
                        self.catchbreak = True
                    # Should this raise an exception if -c is not valid?
                if opt in ('-b', '--buffer'):
                    if self.buffer is None:
                        self.buffer = True
                    # Should this raise an exception if -b is not valid?
            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 = args
                if __name__ == '__main__':
                    # to support python -m unittest ...
                    self.module = None
            else:
                self.testNames = (self.defaultTest,)
            self.createTests()
        except getopt.error as msg:
            self.usageExit(msg)

    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 _do_discovery(self, argv, Loader=loader.TestLoader):
        # handle command line args for test discovery
        self.progName = '%s discover' % self.progName
        import optparse
        parser = optparse.OptionParser()
        parser.prog = self.progName
        parser.add_option('-v', '--verbose', dest='verbose', default=False,
                          help='Verbose output', action='store_true')
        if self.failfast:
            parser.add_option(
                '-f',
                '--failfast',
                dest='failfast',
                default=False,
                help='Stop on first fail or error',
                action='store_true')
        if self.catchbreak and installHandler is not None:
            parser.add_option(
                '-c',
                '--catch',
                dest='catchbreak',
                default=False,
                help='Catch ctrl-C and display results so far',
                action='store_true')
        if self.buffer:
            parser.add_option('-b', '--buffer', dest='buffer', default=False,
                              help='Buffer stdout and stderr during tests',
                              action='store_true')
        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)')

        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)

        # 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 and installHandler is not None:
            self.catchbreak = options.catchbreak
        if self.buffer is None:
            self.buffer = options.buffer

        if options.verbose:
            self.verbosity = 2

        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, types.ClassType)):
            try:
                testRunner = self.testRunner(verbosity=self.verbosity,
                                             failfast=self.failfast,
                                             buffer=self.buffer)
            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


def main_():
    TestProgram.USAGE = USAGE_AS_MAIN
    main(module=None)