Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use invariant_3 method in hypothesis

Best Python code snippet using hypothesis

test_stateful.py

Source:test_stateful.py

...491        def invariant_2(self):492            pass493        @precondition(lambda self: self.num > 0)494        @invariant()495        def invariant_3(self):496            pass497        @rule()498        def rule_1(self):499            self.num += 1500            if self.num == 2:501                raise ValueError()502    with capture_out() as o:503        with pytest.raises(ValueError):504            run_state_machine_as_test(BadRuleWithGoodInvariants)505    result = o.getvalue()506    assert (507        result508        == """\509Falsifying example:510state = BadRuleWithGoodInvariants()511state.invariant_1()512state.initialize_1()513state.invariant_1()514state.invariant_2()515state.rule_1()516state.invariant_1()517state.invariant_2()518state.invariant_3()519state.rule_1()520state.teardown()521"""522    )523def test_always_runs_at_least_one_step():524    class CountSteps(RuleBasedStateMachine):525        def __init__(self):526            super().__init__()527            self.count = 0528        @rule()529        def do_something(self):530            self.count += 1531        def teardown(self):532            assert self.count > 0...

Automation Testing Tutorials

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.