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@issue
Feature: Issue 547 -- behave crashes when adding a step definition with optional parts
. NOTE: cfparse/parse matcher conflict issue w/ CTOR init code.
Scenario: Syndrome w/ cfparse
Given a new working directory
And a file named "features/environment.py" with:
"""
from behave import register_type, use_step_matcher
import parse
@parse.with_pattern(r"optional\s+")
def parse_optional_word(text):
return text.strip()
use_step_matcher("cfparse")
register_type(opt_=parse_optional_word)
"""
And a file named "features/steps/steps.py" with:
"""
from behave import step
@step(u'some {:opt_?}word')
def step_impl(context, opt_):
pass
"""
And a file named "features/alice.feature" with:
"""
Feature: Alice
Scenario: Bob
Given some optional word
"""
When I run "behave -f plain features/alice.feature"
Then it should pass
And the command output should not contain:
"""
ValueError: format spec u'opt_?' not recognised
"""
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