def behave_like(self, sentence):
"""
Make step behave like another one
:param string sentence: the sentence of the step to behave like
"""
# check if this step has already failed from a previous behave_like call
if self.state is Step.State.FAILED:
return
# create step according to given sentence
new_step = Step(None, sentence, self.path, self.line, self.parent, True)
Matcher.merge_step(new_step, StepRegistry().steps)
# run or debug step
if world.config.debug_steps:
new_step.debug()
else:
new_step.run()
# re-raise exception if the failed
if new_step.state is Step.State.FAILED:
new_step.failure.exception.args = ("Step '{}' failed: '{}'".format(sentence, new_step.failure.exception.message),)
raise new_step.failure.exception
