File: test_requirement.py

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requirements-parser 0.13.0-1
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# encoding: utf-8

# This file is part of requirements-parser library.
#
# 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.
#
# SPDX-License-Identifier: Apache-2.0

from typing import Tuple
from unittest import TestCase

from requirements.requirement import Requirement


class TestRequirement(TestCase):

    @staticmethod
    def get_reqs(requirement_1: str, requirement_2: str) -> Tuple[Requirement, Requirement]:
        return (Requirement.parse(requirement_1),
                Requirement.parse(requirement_2))

    def test_simple_equality(self) -> None:
        self.assertEqual(*TestRequirement.get_reqs('pylib==1.0.0', 'pylib==1.0.0'))

    def test_equality_no_specifiers(self) -> None:
        self.assertEqual(*TestRequirement.get_reqs('pylib', 'pylib'))

    def test_simple_inequality(self) -> None:
        self.assertNotEqual(*TestRequirement.get_reqs('pylib==1.0.0', 'pylib==1.0.1'))

    def test_spec_order_equality(self) -> None:
        """
        The same specifications, in a different order, are still equal
        """
        self.assertEqual(*TestRequirement.get_reqs('pylib>=1.0,<2.0', 'pylib<2.0,>=1.0'))

    def test_vcs_equality(self) -> None:
        self.assertEqual(*TestRequirement.get_reqs(
            '-e git://git.example.com/MyProject.git@da39a3ee#egg=MyProject',
            '-e git://git.example.com/MyProject.git@da39a3ee#egg=MyProject'
        ))

    def test_vcs_hash_inequality(self) -> None:
        self.assertNotEqual(*TestRequirement.get_reqs(
            '-e git://git.example.com/MyProject.git@123#egg=MyProject',
            '-e git://git.example.com/MyProject.git@abc#egg=MyProject'
        ))