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# -*- coding: utf-8 -*-
"""
Provides step definitions that test how the behave runner selects feature files.
EXAMPLE:
Given behave has the following feature fileset:
'''
features/alice.feature
features/bob.feature
features/barbi.feature
'''
When behave includes feature files with "features/a.*\.feature"
And behave excludes feature files with "features/b.*\.feature"
Then the following feature files are selected:
'''
features/alice.feature
'''
"""
from __future__ import absolute_import
from behave import given, when, then
from behave.runner_util import FeatureListParser
from hamcrest import assert_that, equal_to
from copy import copy
import re
import six
# -----------------------------------------------------------------------------
# STEP UTILS:
# -----------------------------------------------------------------------------
class BasicBehaveRunner(object):
def __init__(self, config=None):
self.config = config
self.feature_files = []
def select_files(self):
"""
Emulate behave runners file selection by using include/exclude patterns.
:return: List of selected feature filenames.
"""
selected = []
for filename in self.feature_files:
if not self.config.exclude(filename):
selected.append(six.text_type(filename))
return selected
# -----------------------------------------------------------------------------
# STEP DEFINITIONS:
# -----------------------------------------------------------------------------
@given('behave has the following feature fileset')
def step_given_behave_has_feature_fileset(context):
assert context.text is not None, "REQUIRE: text"
behave_runner = BasicBehaveRunner(config=copy(context.config))
behave_runner.feature_files = FeatureListParser.parse(context.text)
context.behave_runner = behave_runner
@when('behave includes all feature files')
def step_when_behave_includes_all_feature_files(context):
assert context.behave_runner, "REQUIRE: context.behave_runner"
context.behave_runner.config.include_re = None
@when('behave includes feature files with "{pattern}"')
def step_when_behave_includes_feature_files_with_pattern(context, pattern):
assert context.behave_runner, "REQUIRE: context.behave_runner"
context.behave_runner.config.include_re = re.compile(pattern)
@when('behave excludes no feature files')
def step_when_behave_excludes_no_feature_files(context):
assert context.behave_runner, "REQUIRE: context.behave_runner"
context.behave_runner.config.exclude_re = None
@when('behave excludes feature files with "{pattern}"')
def step_when_behave_excludes_feature_files_with_pattern(context, pattern):
assert context.behave_runner, "REQUIRE: context.behave_runner"
context.behave_runner.config.exclude_re = re.compile(pattern)
@then('the following feature files are selected')
def step_then_feature_files_are_selected_with_text(context):
assert context.text is not None, "REQUIRE: text"
assert context.behave_runner, "REQUIRE: context.behave_runner"
selected_files = context.text.strip().splitlines()
actual_files = context.behave_runner.select_files()
assert_that(actual_files, equal_to(selected_files))
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