def test_get_pem_text_from_file_parses_the_pem_file(lti_config_environ):
pem_key = os.environ.get('LTI13_PRIVATE_KEY')
certs = pem.parse_file(pem_key)
with patch.object(pem, 'parse_file',
return_value=certs) as mock_pem_parse_file:
get_pem_text_from_file(pem_key)
assert mock_pem_parse_file.called
def test_get_pem_text_from_file_raises_an_error_if_parse_method_returns_empty_list(
):
with patch.object(pem, 'parse_file',
return_value=[]) as mock_pem_parse_file:
with pytest.raises(Exception):
get_pem_text_from_file('file.pem')
def test_get_pem_text_from_file_raises_an_error_if_pem_cannot_be_read():
with pytest.raises(PermissionError):
get_pem_text_from_file('file.pem')