"""
BZT templates

Copyright 2019 BlazeMeter Inc.

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 abc import abstractmethod


class FileLister(object):
    """
    A mixin to get required files info from executor
    """

    @abstractmethod
    def resource_files(self):
        """
        Get list of resource files

        :rtype: list
        """
        pass


class HavingInstallableTools(object):
    @abstractmethod
    def install_required_tools(self):
        pass


class Singletone(object):
    pass


class SelfDiagnosable(object):
    @abstractmethod
    def get_error_diagnostics(self):
        """

        :rtype: list[str]
        """
        pass
