pytest_bdd failure output

pytest_bdd_fail_output.txt

$ py.test
================================================ test session starts =================================================
platform darwin -- Python 2.7.7 -- py-1.4.20 -- pytest-2.5.2
plugins: bdd
collected 1 items 

test_zero.py F

====================================================== FAILURES ======================================================
___________________________________________________ test_zero[0-1] ___________________________________________________

number = 0, out = 1, request = <FixtureRequest for <Function 'test_zero[0-1]'>>

    example_converters=dict(number=int, out=int))
>   def test_zero():
        pass

test_zero.py:6: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

feature = <pytest_bdd.feature.Feature object at 0x103336d50>
scenario = <pytest_bdd.feature.Scenario object at 0x103336e50>
request = <FixtureRequest for <Function 'test_zero[0-1]'>>, encoding = 'utf-8', example = None

    def _execute_scenario(feature, scenario, request, encoding, example=None):
        """Execute the scenario."""
    
        givens = set()
        # Execute scenario steps
        for step in scenario.steps:
            try:
                step_func = _find_step_function(request, step, encoding=encoding)
            except exceptions.StepDefinitionNotFoundError as exception:
                request.config.hook.pytest_bdd_step_func_lookup_error(
                    request=request, feature=feature, scenario=scenario, step=step, exception=exception)
                raise
    
            try:
                # Check the step types are called in the correct order
                if step_func.step_type != step.type:
                    raise exceptions.StepTypeError(
                        'Wrong step type "{0}" while "{1}" is expected.'.format(step_func.step_type, step.type)
                    )
    
                # Check if the fixture that implements given step has not been yet used by another given step
                if step.type == GIVEN:
                    if step_func.fixture in givens:
                        raise exceptions.GivenAlreadyUsed(
                            'Fixture "{0}" that implements this "{1}" given step has been already used.'.format(
                                step_func.fixture, step.name,
                            )
                        )
                    givens.add(step_func.fixture)
            except exceptions.ScenarioValidationError as exception:
                request.config.hook.pytest_bdd_step_validation_error(
                    request=request, feature=feature, scenario=scenario, step=step, step_func=step_func,
                    exception=exception)
                raise
    
>           _execute_step_function(request, feature, step, step_func, example=example)

../../anaconda/lib/python2.7/site-packages/pytest_bdd/scenario.py:170: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

request = <FixtureRequest for <Function 'test_zero[0-1]'>>
feature = <pytest_bdd.feature.Feature object at 0x103336d50>, step = <pytest_bdd.feature.Step object at 0x103336f10>
step_func = <function I see the number <out> at 0x10334f230>, example = None

    def _execute_step_function(request, feature, step, step_func, example=None):
        """Execute step function."""
        kwargs = {}
        if example:
            for key in step.params:
                value = example[key]
                if step_func.converters and key in step_func.converters:
                    value = step_func.converters[key](value)
                _inject_fixture(request, key, value)
        try:
            # Get the step argument values
            kwargs = dict((arg, request.getfuncargvalue(arg)) for arg in inspect.getargspec(step_func).args)
            request.config.hook.pytest_bdd_before_step(
                request=request, feature=feature, scenario=scenario, step=step, step_func=step_func,
                step_func_args=kwargs)
            # Execute the step
>           step_func(**kwargs)

../../anaconda/lib/python2.7/site-packages/pytest_bdd/scenario.py:124: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

have_number = {'computed': -1, 'number': 0}, out = 1

    @then('I see the number <out>')
    def check_number(have_number, out):
        assert isinstance(out, int)
>       assert have_number['computed'] == out
E       assert -1 == 1

test_zero.py:24: AssertionError
============================================== 1 failed in 0.02 seconds ==============================================