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How to use fail_eventually method in hypothesis

Best Python code snippet using hypothesis

test_stateful.py

Source:test_stateful.py

...754        def initialize(self):755            self.initialize_called_counter += 1756            return self.initialize_called_counter757        @rule()758        def fail_eventually(self):759            assert self.initialize() <= 2760    StateMachine.TestCase.settings = NO_BLOB_SETTINGS761    with capture_out() as o:762        with pytest.raises(AssertionError):763            run_state_machine_as_test(StateMachine)764    result = o.getvalue()765    assert (766        result767        == """\768Falsifying example:769state = StateMachine()770state.initialize()771state.fail_eventually()772state.fail_eventually()773state.teardown()774"""775    )776def test_new_initialize_rules_are_picked_up_before_and_after_rules_call():777    class Foo(RuleBasedStateMachine):778        pass779    Foo.define_initialize_rule(targets=(), function=lambda self: 1, arguments={})780    assert len(Foo.initialize_rules()) == 1781    Foo.define_initialize_rule(targets=(), function=lambda self: 2, arguments={})782    assert len(Foo.initialize_rules()) == 2783def test_steps_printed_despite_pytest_fail(capsys):784    # Test for https://github.com/HypothesisWorks/hypothesis/issues/1372785    class RaisesProblem(RuleBasedStateMachine):786        @rule()...

main_tests.py

Source:main_tests.py

2import time3import unittest24from mock import patch5from spotnik.main import main6def fail_eventually(*args, **kwargs):7    # Test that the thread is really join()ed and it's not just8    # a race condition that makes the test pass.9    time.sleep(.1)10    raise Exception11class MainTests(unittest2.TestCase):12    @patch("spotnik.main.get_aws_region_names")13    @patch("spotnik.main.Spotnik")14    def test_main_fails_if_regional_thread_fails(self, mock_spotnik, mock_get_aws_region_names):15        # Since most work is done in threads, the main function needs to16        #   - make sure it gets notified about errors17        #   - propagates the error to its caller18        mock_get_aws_region_names.return_value = ['region_one', 'region_two']19        mock_spotnik.get_spotnik_asgs.side_effect = fail_eventually20        self.assertRaises(Exception, main)...

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