#!/usr/bin/env python

# -*- coding: utf-8 -*-

"""

 (c) 2017 - Copyright Red Hat Inc

 Authors:

   Pierre-Yves Chibon <pingou@pingoured.fr></pingou@pingoured.fr>

Tests for flake8 compliance of the code

"""

from __future__ import unicode_literals, absolute_import

import os

import subprocess

import sys

import unittest

import six

REPO_PATH = os.path.abspath(

    os.path.join(os.path.dirname(__file__), '..', 'pagure'))

class TestStyle(unittest.TestCase):

    """This test class contains tests pertaining to code style."""

    def test_code_with_flake8(self):

        """Enforce PEP-8 compliance on the codebase.

        This test runs flake8 on the code, and will fail if it returns a

        non-zero exit code.

        """

        # We ignore E712, which disallows non-identity comparisons with True and False

        # We ignore W503, which disallows line break before binary operator

        flake8_command = [

            sys.executable, '-m', 'flake8', '--ignore=E712,W503,E203',

            REPO_PATH

        ]

        proc = subprocess.Popen(

            flake8_command,

            stdout=subprocess.PIPE,

            cwd=REPO_PATH,

            )

        print(proc.communicate())

        self.assertEqual(proc.returncode, 0)

    @unittest.skipIf(

        not (six.PY3 and sys.version_info.minor >=6),

        "Black is only available in python 3.6+")

    def test_code_with_black(self):

        """Enforce black compliance on the codebase.

        This test runs black on the code, and will fail if it returns a

        non-zero exit code.

        """

        black_command = [

            sys.executable, '-m', 'black', '-l', '79', '--check', REPO_PATH

        ]

        proc = subprocess.Popen(

            black_command,

            stdout=subprocess.PIPE,

            stderr=subprocess.PIPE,

            cwd=REPO_PATH,

        )

        stdout, stderr = proc.communicate()

        print('stdout: ')

        print(stdout.decode('utf-8'))

        print('stderr: ')

        print(stderr.decode('utf-8'))

        self.assertEqual(proc.returncode, 0)

if __name__ == '__main__':

    unittest.main(verbosity=2)