Use the Parse Matcher (parse)

The “parse” matcher is used in most examples that are provided here. It uses the parse for regular expressions matching and parsing. It provides:

• predefined types
• used-defined types and type-converters

See also

• Predefined Data Types in parse
• Data Types and User-defined Types

Step Definitions Example

# file:step_matcher.features/steps/step_parse_matcher.py
# -*- coding: UTF-8 -*-

from behave import given, then, use_step_matcher
from hamcrest import assert_that, equal_to, is_, none

# @mark.steps
# -----------------------------------------------------------------------------
# MORE STEPS: With "parse" matcher
# -----------------------------------------------------------------------------
use_step_matcher("parse")

@given(u'I use the regular expression step matcher')
def step_given_I_use_regex_matcher(context):
    pass

@then(u'the parameter "{name}" is "{expected_value}"')
def step_then_parameter_is_equal_to(context, name, expected_value):
    actual_value = getattr(context, name, None)
    assert_that(actual_value, equal_to(expected_value))

@then(u'the parameter "{name}" is none')
def step_then_parameter_is_none(context, name):
    actual_value = getattr(context, name, None)
    assert_that(actual_value, is_(none()))