gistfile1.py

import unittest
import github

from mock import patch
from github import GithubException

def is_valid_repo(github_lib, user_name, repo_name):
    github_client = github_lib("TOKEN_HERE")
    try:
        api_user = github_client.get_user(user_name)
        api_repo = api_user.get_repo(repo_name)
        return True
    except GithubException:
        return False


class Github_repo_mock:
    def __init__(self):
        pass


class Github_user_mock:
    def __init__(self):
        pass


    def get_repo(self, repo_name):
        return Github_repo_mock()


class Github_mock:
    def __init__(self, token):
        self.token = token

    def get_user(self, user_name):
        return Github_user_mock()


@patch('github.Github')
class Test(unittest.TestCase):
    
    def test_is_valid_repo(self, Github_mock):
        user_name = 'Ivaylo-Bachvarov'
        repo_name = 'Telerik-Courses'

        self.assertEqual(is_valid_repo(github.Github, user_name, repo_name), True)

if __name__ == '__main__':
    unittest.main()