Python unittest.skipIf() Examples

def testHandlerReplacedButCalled(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        # If our handler has been replaced (is no longer installed) but is
        # called by the *new* handler, then it isn't safe to delay the
        # SIGINT and we should immediately delegate to the default handler
        unittest.installHandler()

        handler = signal.getsignal(signal.SIGINT)
        def new_handler(frame, signum):
            handler(frame, signum)
        signal.signal(signal.SIGINT, new_handler)

        try:
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("replaced but delegated handler doesn't raise interrupt") 

def test_pdb_unittest_skip(self, testdir):
        """Test for issue #2137"""
        p1 = testdir.makepyfile(
            """
            import unittest
            @unittest.skipIf(True, 'Skipping also with pdb active')
            class MyTestCase(unittest.TestCase):
                def test_one(self):
                    assert 0
        """
        )
        child = testdir.spawn_pytest("-rs --pdb %s" % p1)
        child.expect("Skipping also with pdb active")
        child.expect_exact("= 1 skipped in")
        child.sendeof()
        self.flush(child) 

def multi_gpu(gpu_num):
    """Decorator to indicate number of GPUs required to run the test.

    Tests can be annotated with this decorator (e.g., ``@multi_gpu(2)``) to
    declare number of GPUs required to run. When running tests, if
    ``CHAINER_TEST_GPU_LIMIT`` environment variable is set to value greater
    than or equals to 0, test cases that require GPUs more than the limit will
    be skipped.
    """

    check_available()

    def deco(f):
        return unittest.skipIf(
            0 <= _gpu_limit < gpu_num,
            reason='{} GPUs required'.format(gpu_num)
        )(pytest.mark.gpu(f))

    return deco 

def test_skipping_decorators(self):
        op_table = ((unittest.skipUnless, False, True),
                    (unittest.skipIf, True, False))
        for deco, do_skip, dont_skip in op_table:
            class Foo(unittest.TestCase):
                @deco(do_skip, "testing")
                def test_skip(self): pass

                @deco(dont_skip, "testing")
                def test_dont_skip(self): pass
            test_do_skip = Foo("test_skip")
            test_dont_skip = Foo("test_dont_skip")
            suite = unittest.TestSuite([test_do_skip, test_dont_skip])
            events = []
            result = LoggingResult(events)
            suite.run(result)
            self.assertEqual(len(result.skipped), 1)
            expected = ['startTest', 'addSkip', 'stopTest',
                        'startTest', 'addSuccess', 'stopTest']
            self.assertEqual(events, expected)
            self.assertEqual(result.testsRun, 2)
            self.assertEqual(result.skipped, [(test_do_skip, "testing")])
            self.assertTrue(result.wasSuccessful()) 

def testHandlerReplacedButCalled(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        # If our handler has been replaced (is no longer installed) but is
        # called by the *new* handler, then it isn't safe to delay the
        # SIGINT and we should immediately delegate to the default handler
        unittest.installHandler()

        handler = signal.getsignal(signal.SIGINT)
        def new_handler(frame, signum):
            handler(frame, signum)
        signal.signal(signal.SIGINT, new_handler)

        try:
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("replaced but delegated handler doesn't raise interrupt") 

def testSecondInterrupt(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        result = unittest.TestResult()
        unittest.installHandler()
        unittest.registerResult(result)

        def test(result):
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
            result.breakCaught = True
            self.assertTrue(result.shouldStop)
            os.kill(pid, signal.SIGINT)
            self.fail("Second KeyboardInterrupt not raised")

        try:
            test(result)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("Second KeyboardInterrupt not raised")
        self.assertTrue(result.breakCaught) 

def testSecondInterrupt(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        result = unittest.TestResult()
        unittest.installHandler()
        unittest.registerResult(result)

        def test(result):
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
            result.breakCaught = True
            self.assertTrue(result.shouldStop)
            os.kill(pid, signal.SIGINT)
            self.fail("Second KeyboardInterrupt not raised")

        try:
            test(result)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("Second KeyboardInterrupt not raised")
        self.assertTrue(result.breakCaught) 

def testSecondInterrupt(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        result = unittest.TestResult()
        unittest.installHandler()
        unittest.registerResult(result)

        def test(result):
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
            result.breakCaught = True
            self.assertTrue(result.shouldStop)
            os.kill(pid, signal.SIGINT)
            self.fail("Second KeyboardInterrupt not raised")

        try:
            test(result)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("Second KeyboardInterrupt not raised")
        self.assertTrue(result.breakCaught) 

def testHandlerReplacedButCalled(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        # If our handler has been replaced (is no longer installed) but is
        # called by the *new* handler, then it isn't safe to delay the
        # SIGINT and we should immediately delegate to the default handler
        unittest.installHandler()

        handler = signal.getsignal(signal.SIGINT)
        def new_handler(frame, signum):
            handler(frame, signum)
        signal.signal(signal.SIGINT, new_handler)

        try:
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("replaced but delegated handler doesn't raise interrupt") 

def test_skipping_decorators(self):
        op_table = ((unittest.skipUnless, False, True),
                    (unittest.skipIf, True, False))
        for deco, do_skip, dont_skip in op_table:
            class Foo(unittest.TestCase):
                @deco(do_skip, "testing")
                def test_skip(self): pass

                @deco(dont_skip, "testing")
                def test_dont_skip(self): pass
            test_do_skip = Foo("test_skip")
            test_dont_skip = Foo("test_dont_skip")
            suite = unittest.TestSuite([test_do_skip, test_dont_skip])
            events = []
            result = LoggingResult(events)
            suite.run(result)
            self.assertEqual(len(result.skipped), 1)
            expected = ['startTest', 'addSkip', 'stopTest',
                        'startTest', 'addSuccess', 'stopTest']
            self.assertEqual(events, expected)
            self.assertEqual(result.testsRun, 2)
            self.assertEqual(result.skipped, [(test_do_skip, "testing")])
            self.assertTrue(result.wasSuccessful()) 

def testHandlerReplacedButCalled(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        # If our handler has been replaced (is no longer installed) but is
        # called by the *new* handler, then it isn't safe to delay the
        # SIGINT and we should immediately delegate to the default handler
        unittest.installHandler()

        handler = signal.getsignal(signal.SIGINT)
        def new_handler(frame, signum):
            handler(frame, signum)
        signal.signal(signal.SIGINT, new_handler)

        try:
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("replaced but delegated handler doesn't raise interrupt") 

def test_compute_rollover_daily_attime(self):
        currentTime = 0
        atTime = datetime.time(12, 0, 0)
        rh = logging.handlers.TimedRotatingFileHandler(
            self.fn, when='MIDNIGHT', interval=1, backupCount=0, utc=True,
            atTime=atTime)
        try:
            actual = rh.computeRollover(currentTime)
            self.assertEqual(actual, currentTime + 12 * 60 * 60)

            actual = rh.computeRollover(currentTime + 13 * 60 * 60)
            self.assertEqual(actual, currentTime + 36 * 60 * 60)
        finally:
            rh.close()

    #@unittest.skipIf(True, 'Temporarily skipped while failures investigated.') 

def testSecondInterrupt(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        result = unittest.TestResult()
        unittest.installHandler()
        unittest.registerResult(result)

        def test(result):
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
            result.breakCaught = True
            self.assertTrue(result.shouldStop)
            os.kill(pid, signal.SIGINT)
            self.fail("Second KeyboardInterrupt not raised")

        try:
            test(result)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("Second KeyboardInterrupt not raised")
        self.assertTrue(result.breakCaught) 

def test_skipping_decorators(self):
        op_table = ((unittest.skipUnless, False, True),
                    (unittest.skipIf, True, False))
        for deco, do_skip, dont_skip in op_table:
            class Foo(unittest.TestCase):
                @deco(do_skip, "testing")
                def test_skip(self): pass

                @deco(dont_skip, "testing")
                def test_dont_skip(self): pass
            test_do_skip = Foo("test_skip")
            test_dont_skip = Foo("test_dont_skip")
            suite = unittest.TestSuite([test_do_skip, test_dont_skip])
            events = []
            result = LoggingResult(events)
            suite.run(result)
            self.assertEqual(len(result.skipped), 1)
            expected = ['startTest', 'addSkip', 'stopTest',
                        'startTest', 'addSuccess', 'stopTest']
            self.assertEqual(events, expected)
            self.assertEqual(result.testsRun, 2)
            self.assertEqual(result.skipped, [(test_do_skip, "testing")])
            self.assertTrue(result.wasSuccessful()) 

def testSecondInterrupt(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        result = unittest.TestResult()
        unittest.installHandler()
        unittest.registerResult(result)

        def test(result):
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
            result.breakCaught = True
            self.assertTrue(result.shouldStop)
            os.kill(pid, signal.SIGINT)
            self.fail("Second KeyboardInterrupt not raised")

        try:
            test(result)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("Second KeyboardInterrupt not raised")
        self.assertTrue(result.breakCaught) 

def test_skipping_decorators(self):
        op_table = ((unittest.skipUnless, False, True),
                    (unittest.skipIf, True, False))
        for deco, do_skip, dont_skip in op_table:
            class Foo(unittest.TestCase):
                @deco(do_skip, "testing")
                def test_skip(self): pass

                @deco(dont_skip, "testing")
                def test_dont_skip(self): pass
            test_do_skip = Foo("test_skip")
            test_dont_skip = Foo("test_dont_skip")
            suite = unittest.TestSuite([test_do_skip, test_dont_skip])
            events = []
            result = LoggingResult(events)
            suite.run(result)
            self.assertEqual(len(result.skipped), 1)
            expected = ['startTest', 'addSkip', 'stopTest',
                        'startTest', 'addSuccess', 'stopTest']
            self.assertEqual(events, expected)
            self.assertEqual(result.testsRun, 2)
            self.assertEqual(result.skipped, [(test_do_skip, "testing")])
            self.assertTrue(result.wasSuccessful()) 

def testHandlerReplacedButCalled(self):
        # Can't use skipIf decorator because the signal handler may have
        # been changed after defining this method.
        if signal.getsignal(signal.SIGINT) == signal.SIG_IGN:
            self.skipTest("test requires SIGINT to not be ignored")
        # If our handler has been replaced (is no longer installed) but is
        # called by the *new* handler, then it isn't safe to delay the
        # SIGINT and we should immediately delegate to the default handler
        unittest.installHandler()

        handler = signal.getsignal(signal.SIGINT)
        def new_handler(frame, signum):
            handler(frame, signum)
        signal.signal(signal.SIGINT, new_handler)

        try:
            pid = os.getpid()
            os.kill(pid, signal.SIGINT)
        except KeyboardInterrupt:
            pass
        else:
            self.fail("replaced but delegated handler doesn't raise interrupt") 

def test_skipping_decorators(self):
        op_table = ((unittest.skipUnless, False, True),
                    (unittest.skipIf, True, False))
        for deco, do_skip, dont_skip in op_table:
            class Foo(unittest.TestCase):
                @deco(do_skip, "testing")
                def test_skip(self): pass

                @deco(dont_skip, "testing")
                def test_dont_skip(self): pass
            test_do_skip = Foo("test_skip")
            test_dont_skip = Foo("test_dont_skip")
            suite = unittest.TestSuite([test_do_skip, test_dont_skip])
            events = []
            result = LoggingResult(events)
            suite.run(result)
            self.assertEqual(len(result.skipped), 1)
            expected = ['startTest', 'addSkip', 'stopTest',
                        'startTest', 'addSuccess', 'stopTest']
            self.assertEqual(events, expected)
            self.assertEqual(result.testsRun, 2)
            self.assertEqual(result.skipped, [(test_do_skip, "testing")])
            self.assertTrue(result.wasSuccessful()) 

def skip_if_unsupported(symbol):
  return unittest.skipIf(not compat.tf_supports(symbol), "tf.%s is not supported") 

def __getattr__(self, name: str) -> Any:
        """Proxy all unknown attributes to the original method.

        This is important for some of the decorators in the `unittest`
        module, such as `unittest.skipIf`.
        """
        return getattr(self.orig_method, name) 

def __getattr__(self, name: str) -> Any:
        """Proxy all unknown attributes to the original method.

        This is important for some of the decorators in the `unittest`
        module, such as `unittest.skipIf`.
        """
        return getattr(self.orig_method, name) 

def __getattr__(self, name):
        """Proxy all unknown attributes to the original method.

        This is important for some of the decorators in the `unittest`
        module, such as `unittest.skipIf`.
        """
        return getattr(self.orig_method, name) 

def skipIf(condition, reason):
		def skipper(func):
			def skip(*args, **kwargs):
				return
			if condition:
				return skip
			return func
		return skipper 

def require_docker_version(minimum_docker_version, message):
    """
    Skip the wrapped test if the actual Docker version is less than
    ``minimum_docker_version``.

    :param str minimum_docker_version: The minimum version required by the
        test.
    :param str message: An explanatory message which will be printed when
        skipping the test.
    """
    minimum_docker_version = LooseVersion(
        minimum_docker_version
    )

    # XXX: Can we change this to use skipIf?
    def decorator(wrapped):
        @wraps(wrapped)
        def wrapper(*args, **kwargs):
            client = DockerClient()
            docker_version = LooseVersion(
                client._client.version()['Version']
            )
            if docker_version < minimum_docker_version:
                raise SkipTest(
                    'Minimum required Docker version: {}. '
                    'Actual Docker version: {}. '
                    'Details: {}'.format(
                        minimum_docker_version,
                        docker_version,
                        message,
                    )
                )
            return wrapped(*args, **kwargs)
        return wrapper
    return decorator 

def with_requires(*requirements):
    """Run a test case only when given requirements are satisfied.

    .. admonition:: Example

       This test case runs only when `numpy>=1.10` is installed.

       >>> import unittest
       >>> from chainer import testing
       >>> class Test(unittest.TestCase):
       ...     @testing.with_requires('numpy>=1.10')
       ...     def test_for_numpy_1_10(self):
       ...         pass

    Args:
        requirements: A list of string representing requirement condition to
            run a given test case.

    """
    ws = pkg_resources.WorkingSet()
    try:
        ws.require(*requirements)
        skip = False
    except pkg_resources.ResolutionError:
        skip = True

    msg = 'requires: {}'.format(','.join(requirements))
    return unittest.skipIf(skip, msg) 

def without_requires(*requirements):
    """Run a test case only when given requirements are not satisfied.

    .. admonition:: Example

    This test case runs only when `numpy>=1.10` is not installed.

    >>> from chainer import testing
    ... class Test(unittest.TestCase):
    ...     @testing.without_requires('numpy>=1.10')
    ...     def test_without_numpy_1_10(self):
    ...         pass

    Args:
    requirements: A list of string representing requirement condition to
        run a given test case.

    """
    ws = pkg_resources.WorkingSet()
    try:
        ws.require(*requirements)
        skip = True
    except pkg_resources.ResolutionError:
        skip = False

    msg = 'requires: {}'.format(','.join(requirements))
    return unittest.skipIf(skip, msg) 

def test_adjoint_basis_vec_optional(self):
        """Test that adjoint modes default to direct modes"""
        no_adjoints_LTI_proj = lgp.LTIGalerkinProjectionArrays(
            self.basis_vecs, is_basis_orthonormal=True)
        np.testing.assert_equal(
            no_adjoints_LTI_proj.adjoint_basis_vecs,
            self.basis_vecs)


#@unittest.skip('Testing something else.')
#@unittest.skipIf(parallel.is_distributed(), 'Only test in serial') 

def skip_if(condition, reason):
    def wrap(func):
        return unittest.skipIf(condition, reason)(func)

    return wrap 

def multi_gpu(gpu_num):
    """Decorator to indicate number of GPUs required to run the test.

    Tests can be annotated with this decorator (e.g., ``@multi_gpu(2)``) to
    declare number of GPUs required to run. When running tests, if
    ``CUPY_TEST_GPU_LIMIT`` environment variable is set to value greater
    than or equals to 0, test cases that require GPUs more than the limit will
    be skipped.
    """

    check_available()
    return unittest.skipIf(
        0 <= _gpu_limit < gpu_num,
        reason='{} GPUs required'.format(gpu_num)) 

def __call__(self, test_fun):
        msg = "Quantifier Eliminator %s not available" % self.qe
        cond = self.qe not in get_env().factory.all_quantifier_eliminators()
        @unittest.skipIf(cond, msg)
        @wraps(test_fun)
        def wrapper(*args, **kwargs):
            return test_fun(*args, **kwargs)
        return wrapper