# -*- coding: utf-8 -*-
# ------------------------------------------------------------------------------
#
#   Copyright 2018-2019 Fetch.AI Limited
#
#   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.
#
# ------------------------------------------------------------------------------

"""This test module contains the tests for the aea.cli.generate sub-module."""

from unittest import TestCase, mock

from aea.cli.generate import _generate_item

from tests.test_cli.tools_for_testing import ContextMock


def _raise_file_exists(self, *args, **kwargs):
    raise FileExistsError()


@mock.patch("builtins.open", mock.mock_open())
@mock.patch("aea.cli.generate.ConfigLoader")
@mock.patch("aea.cli.generate.os.path.join", return_value="joined-path")
@mock.patch("aea.cli.generate.ProtocolGenerator.generate", _raise_file_exists)
class GenerateItemTestCase(TestCase):
    """Test case for fetch_agent_locally method."""

    def test__generate_item_file_exists(self, *mocks):
        """Test for fetch_agent_locally method positive result."""
        ctx_mock = ContextMock()
        with self.assertRaises(SystemExit):
            _generate_item(ctx_mock, "protocol", "path")
