How to use step_file_named_filename_should_not_exist method in Behave

Best Python code snippet using behave

command_steps.py

Source:command_steps.py

...296    .. code-block:: gherkin297        Given a file named "abc.txt" does not exist298         When a file named "abc.txt" does not exist299    """300    step_file_named_filename_should_not_exist(context, filename)301@then(u'a file named "{filename}" should exist')302def step_file_named_filename_should_exist(context, filename):303    command_util.ensure_workdir_exists(context)304    filename_ = pathutil.realpath_with_context(filename, context)305    assert_that(os.path.exists(filename_) and os.path.isfile(filename_))306@then(u'a file named "{filename}" should not exist')307def step_file_named_filename_should_not_exist(context, filename):308    command_util.ensure_workdir_exists(context)309    filename_ = pathutil.realpath_with_context(filename, context)310    assert_that(not os.path.exists(filename_))311# -----------------------------------------------------------------------------312# STEPS FOR FILE CONTENTS:313# -----------------------------------------------------------------------------314@then(u'the file "{filename}" should contain "{text}"')315def step_file_should_contain_text(context, filename, text):316    expected_text = text317    if "{__WORKDIR__}" in text or "{__CWD__}" in text:318        expected_text = textutil.template_substitute(text,319            __WORKDIR__ = posixpath_normpath(context.workdir),320            __CWD__     = posixpath_normpath(os.getcwd())321        )...

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