def test_all_testfiles_one_valid_file(self, os_listdir, os_exists):
os_exists.return_value = True
os_listdir.return_value = ["foo", "bar.md"]
expected = ["bar.md"]
result = list(loading.all_testfiles('/root'))
self.assertEquals(result, expected)
def test_all_testfiles_dir_does_not_exist(self, os_exists):
os_exists.return_value = False
expected = []
result = loading.all_testfiles('/root')
self.assertEquals(result, expected)
def test_all_testfiles_invalid_files(self, os_listdir, os_exists):
os_exists.return_value = True
os_listdir.return_value = ["foo"]
expected = []
result = list(loading.all_testfiles('/root'))
os_listdir.assert_called_once_with
self.assertEquals(result, expected)