Michael Foord | 2560e5c | 2010-03-27 12:34:21 +0000 | [diff] [blame] | 1 | import io |
| 2 | |
Michael Foord | 4a8cf3c | 2010-05-07 15:35:24 +0000 | [diff] [blame] | 3 | import os |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 4 | import sys |
Michael Foord | 2560e5c | 2010-03-27 12:34:21 +0000 | [diff] [blame] | 5 | import unittest |
| 6 | |
| 7 | |
| 8 | class Test_TestProgram(unittest.TestCase): |
| 9 | |
Michael Foord | 4a8cf3c | 2010-05-07 15:35:24 +0000 | [diff] [blame] | 10 | def test_discovery_from_dotted_path(self): |
| 11 | loader = unittest.TestLoader() |
| 12 | |
| 13 | tests = [self] |
| 14 | expectedPath = os.path.abspath(os.path.dirname(unittest.test.__file__)) |
| 15 | |
| 16 | self.wasRun = False |
| 17 | def _find_tests(start_dir, pattern): |
| 18 | self.wasRun = True |
| 19 | self.assertEqual(start_dir, expectedPath) |
| 20 | return tests |
| 21 | loader._find_tests = _find_tests |
| 22 | suite = loader.discover('unittest.test') |
| 23 | self.assertTrue(self.wasRun) |
| 24 | self.assertEqual(suite._tests, tests) |
| 25 | |
Michael Foord | 2560e5c | 2010-03-27 12:34:21 +0000 | [diff] [blame] | 26 | # Horrible white box test |
| 27 | def testNoExit(self): |
| 28 | result = object() |
| 29 | test = object() |
| 30 | |
| 31 | class FakeRunner(object): |
| 32 | def run(self, test): |
| 33 | self.test = test |
| 34 | return result |
| 35 | |
| 36 | runner = FakeRunner() |
| 37 | |
| 38 | oldParseArgs = unittest.TestProgram.parseArgs |
| 39 | def restoreParseArgs(): |
| 40 | unittest.TestProgram.parseArgs = oldParseArgs |
| 41 | unittest.TestProgram.parseArgs = lambda *args: None |
| 42 | self.addCleanup(restoreParseArgs) |
| 43 | |
| 44 | def removeTest(): |
| 45 | del unittest.TestProgram.test |
| 46 | unittest.TestProgram.test = test |
| 47 | self.addCleanup(removeTest) |
| 48 | |
| 49 | program = unittest.TestProgram(testRunner=runner, exit=False, verbosity=2) |
| 50 | |
| 51 | self.assertEqual(program.result, result) |
| 52 | self.assertEqual(runner.test, test) |
| 53 | self.assertEqual(program.verbosity, 2) |
| 54 | |
| 55 | class FooBar(unittest.TestCase): |
| 56 | def testPass(self): |
| 57 | assert True |
| 58 | def testFail(self): |
| 59 | assert False |
| 60 | |
| 61 | class FooBarLoader(unittest.TestLoader): |
| 62 | """Test loader that returns a suite containing FooBar.""" |
| 63 | def loadTestsFromModule(self, module): |
| 64 | return self.suiteClass( |
| 65 | [self.loadTestsFromTestCase(Test_TestProgram.FooBar)]) |
| 66 | |
Petri Lehtinen | 2005447 | 2013-02-23 18:52:51 +0100 | [diff] [blame] | 67 | def loadTestsFromNames(self, names, module): |
| 68 | return self.suiteClass( |
| 69 | [self.loadTestsFromTestCase(Test_TestProgram.FooBar)]) |
| 70 | |
| 71 | def test_defaultTest_with_string(self): |
| 72 | class FakeRunner(object): |
| 73 | def run(self, test): |
| 74 | self.test = test |
| 75 | return True |
| 76 | |
| 77 | old_argv = sys.argv |
| 78 | sys.argv = ['faketest'] |
| 79 | runner = FakeRunner() |
| 80 | program = unittest.TestProgram(testRunner=runner, exit=False, |
| 81 | defaultTest='unittest.test', |
| 82 | testLoader=self.FooBarLoader()) |
| 83 | sys.argv = old_argv |
Ezio Melotti | cf936c7 | 2013-03-23 16:46:23 +0200 | [diff] [blame] | 84 | self.assertEqual(('unittest.test',), program.testNames) |
Petri Lehtinen | 2005447 | 2013-02-23 18:52:51 +0100 | [diff] [blame] | 85 | |
| 86 | def test_defaultTest_with_iterable(self): |
| 87 | class FakeRunner(object): |
| 88 | def run(self, test): |
| 89 | self.test = test |
| 90 | return True |
| 91 | |
| 92 | old_argv = sys.argv |
| 93 | sys.argv = ['faketest'] |
| 94 | runner = FakeRunner() |
| 95 | program = unittest.TestProgram( |
| 96 | testRunner=runner, exit=False, |
| 97 | defaultTest=['unittest.test', 'unittest.test2'], |
| 98 | testLoader=self.FooBarLoader()) |
| 99 | sys.argv = old_argv |
Ezio Melotti | cf936c7 | 2013-03-23 16:46:23 +0200 | [diff] [blame] | 100 | self.assertEqual(['unittest.test', 'unittest.test2'], |
Petri Lehtinen | 2005447 | 2013-02-23 18:52:51 +0100 | [diff] [blame] | 101 | program.testNames) |
Michael Foord | 2560e5c | 2010-03-27 12:34:21 +0000 | [diff] [blame] | 102 | |
| 103 | def test_NonExit(self): |
| 104 | program = unittest.main(exit=False, |
| 105 | argv=["foobar"], |
| 106 | testRunner=unittest.TextTestRunner(stream=io.StringIO()), |
| 107 | testLoader=self.FooBarLoader()) |
| 108 | self.assertTrue(hasattr(program, 'result')) |
| 109 | |
| 110 | |
| 111 | def test_Exit(self): |
| 112 | self.assertRaises( |
| 113 | SystemExit, |
| 114 | unittest.main, |
| 115 | argv=["foobar"], |
| 116 | testRunner=unittest.TextTestRunner(stream=io.StringIO()), |
| 117 | exit=True, |
| 118 | testLoader=self.FooBarLoader()) |
| 119 | |
| 120 | |
| 121 | def test_ExitAsDefault(self): |
| 122 | self.assertRaises( |
| 123 | SystemExit, |
| 124 | unittest.main, |
| 125 | argv=["foobar"], |
| 126 | testRunner=unittest.TextTestRunner(stream=io.StringIO()), |
| 127 | testLoader=self.FooBarLoader()) |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 128 | |
| 129 | |
| 130 | class InitialisableProgram(unittest.TestProgram): |
| 131 | exit = False |
| 132 | result = None |
| 133 | verbosity = 1 |
| 134 | defaultTest = None |
| 135 | testRunner = None |
| 136 | testLoader = unittest.defaultTestLoader |
Michael Foord | f100dbd | 2010-12-19 03:59:10 +0000 | [diff] [blame] | 137 | module = '__main__' |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 138 | progName = 'test' |
| 139 | test = 'test' |
| 140 | def __init__(self, *args): |
| 141 | pass |
| 142 | |
| 143 | RESULT = object() |
| 144 | |
| 145 | class FakeRunner(object): |
| 146 | initArgs = None |
| 147 | test = None |
| 148 | raiseError = False |
| 149 | |
| 150 | def __init__(self, **kwargs): |
| 151 | FakeRunner.initArgs = kwargs |
| 152 | if FakeRunner.raiseError: |
| 153 | FakeRunner.raiseError = False |
| 154 | raise TypeError |
| 155 | |
| 156 | def run(self, test): |
| 157 | FakeRunner.test = test |
| 158 | return RESULT |
| 159 | |
| 160 | class TestCommandLineArgs(unittest.TestCase): |
| 161 | |
| 162 | def setUp(self): |
| 163 | self.program = InitialisableProgram() |
| 164 | self.program.createTests = lambda: None |
| 165 | FakeRunner.initArgs = None |
| 166 | FakeRunner.test = None |
| 167 | FakeRunner.raiseError = False |
| 168 | |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 169 | def testVerbosity(self): |
| 170 | program = self.program |
| 171 | |
| 172 | for opt in '-q', '--quiet': |
| 173 | program.verbosity = 1 |
| 174 | program.parseArgs([None, opt]) |
| 175 | self.assertEqual(program.verbosity, 0) |
| 176 | |
| 177 | for opt in '-v', '--verbose': |
| 178 | program.verbosity = 1 |
| 179 | program.parseArgs([None, opt]) |
| 180 | self.assertEqual(program.verbosity, 2) |
| 181 | |
| 182 | def testBufferCatchFailfast(self): |
| 183 | program = self.program |
| 184 | for arg, attr in (('buffer', 'buffer'), ('failfast', 'failfast'), |
| 185 | ('catch', 'catchbreak')): |
| 186 | if attr == 'catch' and not hasInstallHandler: |
| 187 | continue |
| 188 | |
| 189 | short_opt = '-%s' % arg[0] |
| 190 | long_opt = '--%s' % arg |
| 191 | for opt in short_opt, long_opt: |
| 192 | setattr(program, attr, None) |
| 193 | |
| 194 | program.parseArgs([None, opt]) |
| 195 | self.assertTrue(getattr(program, attr)) |
| 196 | |
| 197 | for opt in short_opt, long_opt: |
| 198 | not_none = object() |
| 199 | setattr(program, attr, not_none) |
| 200 | |
| 201 | program.parseArgs([None, opt]) |
| 202 | self.assertEqual(getattr(program, attr), not_none) |
| 203 | |
Ezio Melotti | 6090187 | 2010-12-01 00:56:10 +0000 | [diff] [blame] | 204 | def testWarning(self): |
| 205 | """Test the warnings argument""" |
| 206 | # see #10535 |
| 207 | class FakeTP(unittest.TestProgram): |
| 208 | def parseArgs(self, *args, **kw): pass |
| 209 | def runTests(self, *args, **kw): pass |
Ezio Melotti | 60c3c9f | 2011-03-20 15:31:26 +0200 | [diff] [blame] | 210 | warnoptions = sys.warnoptions[:] |
Ezio Melotti | 6090187 | 2010-12-01 00:56:10 +0000 | [diff] [blame] | 211 | try: |
| 212 | sys.warnoptions[:] = [] |
| 213 | # no warn options, no arg -> default |
| 214 | self.assertEqual(FakeTP().warnings, 'default') |
| 215 | # no warn options, w/ arg -> arg value |
| 216 | self.assertEqual(FakeTP(warnings='ignore').warnings, 'ignore') |
| 217 | sys.warnoptions[:] = ['somevalue'] |
| 218 | # warn options, no arg -> None |
| 219 | # warn options, w/ arg -> arg value |
| 220 | self.assertEqual(FakeTP().warnings, None) |
| 221 | self.assertEqual(FakeTP(warnings='ignore').warnings, 'ignore') |
| 222 | finally: |
| 223 | sys.warnoptions[:] = warnoptions |
| 224 | |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 225 | def testRunTestsRunnerClass(self): |
| 226 | program = self.program |
| 227 | |
| 228 | program.testRunner = FakeRunner |
| 229 | program.verbosity = 'verbosity' |
| 230 | program.failfast = 'failfast' |
| 231 | program.buffer = 'buffer' |
Ezio Melotti | 6090187 | 2010-12-01 00:56:10 +0000 | [diff] [blame] | 232 | program.warnings = 'warnings' |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 233 | |
| 234 | program.runTests() |
| 235 | |
| 236 | self.assertEqual(FakeRunner.initArgs, {'verbosity': 'verbosity', |
| 237 | 'failfast': 'failfast', |
Ezio Melotti | 6090187 | 2010-12-01 00:56:10 +0000 | [diff] [blame] | 238 | 'buffer': 'buffer', |
| 239 | 'warnings': 'warnings'}) |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 240 | self.assertEqual(FakeRunner.test, 'test') |
| 241 | self.assertIs(program.result, RESULT) |
| 242 | |
| 243 | def testRunTestsRunnerInstance(self): |
| 244 | program = self.program |
| 245 | |
| 246 | program.testRunner = FakeRunner() |
| 247 | FakeRunner.initArgs = None |
| 248 | |
| 249 | program.runTests() |
| 250 | |
| 251 | # A new FakeRunner should not have been instantiated |
| 252 | self.assertIsNone(FakeRunner.initArgs) |
| 253 | |
| 254 | self.assertEqual(FakeRunner.test, 'test') |
| 255 | self.assertIs(program.result, RESULT) |
| 256 | |
| 257 | def testRunTestsOldRunnerClass(self): |
| 258 | program = self.program |
| 259 | |
| 260 | FakeRunner.raiseError = True |
| 261 | program.testRunner = FakeRunner |
| 262 | program.verbosity = 'verbosity' |
| 263 | program.failfast = 'failfast' |
| 264 | program.buffer = 'buffer' |
| 265 | program.test = 'test' |
| 266 | |
| 267 | program.runTests() |
| 268 | |
| 269 | # If initialising raises a type error it should be retried |
| 270 | # without the new keyword arguments |
| 271 | self.assertEqual(FakeRunner.initArgs, {}) |
| 272 | self.assertEqual(FakeRunner.test, 'test') |
| 273 | self.assertIs(program.result, RESULT) |
| 274 | |
| 275 | def testCatchBreakInstallsHandler(self): |
| 276 | module = sys.modules['unittest.main'] |
| 277 | original = module.installHandler |
| 278 | def restore(): |
| 279 | module.installHandler = original |
| 280 | self.addCleanup(restore) |
| 281 | |
| 282 | self.installed = False |
| 283 | def fakeInstallHandler(): |
| 284 | self.installed = True |
| 285 | module.installHandler = fakeInstallHandler |
| 286 | |
| 287 | program = self.program |
| 288 | program.catchbreak = True |
| 289 | |
| 290 | program.testRunner = FakeRunner |
| 291 | |
| 292 | program.runTests() |
| 293 | self.assertTrue(self.installed) |
| 294 | |
Michael Foord | 37d120a | 2010-12-04 01:11:21 +0000 | [diff] [blame] | 295 | def _patch_isfile(self, names, exists=True): |
| 296 | def isfile(path): |
| 297 | return path in names |
| 298 | original = os.path.isfile |
| 299 | os.path.isfile = isfile |
| 300 | def restore(): |
| 301 | os.path.isfile = original |
| 302 | self.addCleanup(restore) |
| 303 | |
| 304 | |
| 305 | def testParseArgsFileNames(self): |
| 306 | # running tests with filenames instead of module names |
| 307 | program = self.program |
| 308 | argv = ['progname', 'foo.py', 'bar.Py', 'baz.PY', 'wing.txt'] |
| 309 | self._patch_isfile(argv) |
| 310 | |
| 311 | program.createTests = lambda: None |
| 312 | program.parseArgs(argv) |
| 313 | |
| 314 | # note that 'wing.txt' is not a Python file so the name should |
| 315 | # *not* be converted to a module name |
| 316 | expected = ['foo', 'bar', 'baz', 'wing.txt'] |
| 317 | self.assertEqual(program.testNames, expected) |
| 318 | |
| 319 | |
| 320 | def testParseArgsFilePaths(self): |
| 321 | program = self.program |
| 322 | argv = ['progname', 'foo/bar/baz.py', 'green\\red.py'] |
| 323 | self._patch_isfile(argv) |
| 324 | |
| 325 | program.createTests = lambda: None |
| 326 | program.parseArgs(argv) |
| 327 | |
| 328 | expected = ['foo.bar.baz', 'green.red'] |
| 329 | self.assertEqual(program.testNames, expected) |
| 330 | |
| 331 | |
| 332 | def testParseArgsNonExistentFiles(self): |
| 333 | program = self.program |
| 334 | argv = ['progname', 'foo/bar/baz.py', 'green\\red.py'] |
| 335 | self._patch_isfile([]) |
| 336 | |
| 337 | program.createTests = lambda: None |
| 338 | program.parseArgs(argv) |
| 339 | |
| 340 | self.assertEqual(program.testNames, argv[1:]) |
| 341 | |
| 342 | def testParseArgsAbsolutePathsThatCanBeConverted(self): |
| 343 | cur_dir = os.getcwd() |
| 344 | program = self.program |
| 345 | def _join(name): |
| 346 | return os.path.join(cur_dir, name) |
| 347 | argv = ['progname', _join('foo/bar/baz.py'), _join('green\\red.py')] |
| 348 | self._patch_isfile(argv) |
| 349 | |
| 350 | program.createTests = lambda: None |
| 351 | program.parseArgs(argv) |
| 352 | |
| 353 | expected = ['foo.bar.baz', 'green.red'] |
| 354 | self.assertEqual(program.testNames, expected) |
| 355 | |
| 356 | def testParseArgsAbsolutePathsThatCannotBeConverted(self): |
| 357 | program = self.program |
Michael Foord | 36526bf | 2010-12-04 01:43:59 +0000 | [diff] [blame] | 358 | # even on Windows '/...' is considered absolute by os.path.abspath |
Michael Foord | 37d120a | 2010-12-04 01:11:21 +0000 | [diff] [blame] | 359 | argv = ['progname', '/foo/bar/baz.py', '/green/red.py'] |
| 360 | self._patch_isfile(argv) |
| 361 | |
| 362 | program.createTests = lambda: None |
| 363 | program.parseArgs(argv) |
| 364 | |
| 365 | self.assertEqual(program.testNames, argv[1:]) |
| 366 | |
| 367 | # it may be better to use platform specific functions to normalise paths |
| 368 | # rather than accepting '.PY' and '\' as file seprator on Linux / Mac |
| 369 | # it would also be better to check that a filename is a valid module |
| 370 | # identifier (we have a regex for this in loader.py) |
| 371 | # for invalid filenames should we raise a useful error rather than |
| 372 | # leaving the current error message (import of filename fails) in place? |
| 373 | |
Michael Foord | 56fdb75 | 2010-05-07 16:00:30 +0000 | [diff] [blame] | 374 | |
| 375 | if __name__ == '__main__': |
| 376 | unittest.main() |