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)...
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!