# Copyright 2008-2015 Nokia Networks
# Copyright 2016- Robot Framework Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from robot.errors import DataError
from robot.utils import (get_error_details, Importer, is_string,
split_args_from_name_or_path, type_name)
from .visitor import SuiteVisitor
[docs]
class ModelModifier(SuiteVisitor):
def __init__(self, visitors, empty_suite_ok, logger):
self._log_error = logger.error
self._empty_suite_ok = empty_suite_ok
self._visitors = list(self._yield_visitors(visitors, logger))
[docs]
def visit_suite(self, suite):
for visitor in self._visitors:
try:
suite.visit(visitor)
except Exception:
message, details = get_error_details()
self._log_error(f"Executing model modifier '{type_name(visitor)}' "
f"failed: {message}\n{details}")
if not (suite.has_tests or self._empty_suite_ok):
raise DataError(f"Suite '{suite.name}' contains no tests after "
f"model modifiers.")
def _yield_visitors(self, visitors, logger):
importer = Importer('model modifier', logger=logger)
for visitor in visitors:
if is_string(visitor):
name, args = split_args_from_name_or_path(visitor)
try:
yield importer.import_class_or_module(name, args)
except DataError as err:
logger.error(err.message)
else:
yield visitor