def test_get_description(self):
"""
Calling the get_description method should return a non-empty string.
"""
whoami = WhoAmI(None, None)
result = whoami.get_description()
self.assertIsInstance(result, str)
self.assertTrue(len(result) > 0)
def test_take_action(self):
"""
Ensure that the take_action method interrogates the user in the
expected way and produces an appropriate JSON file in the expected
location containing the expected result.
"""
with mock.patch('builtins.input', return_value='y'):
whoami = WhoAmI(None, None)
with mock.patch('json.dump') as writer:
whoami.take_action([])
self.assertEqual(1, writer.call_count)
output_file = os.path.join(data_dir(), 'whoami.json')
self.assertEqual(writer.call_args[0][1].name, output_file)
