def test_url_field_invalid(self):
"""
Ensure that invalid URL fields are detected.
"""
duration_field = DurationField("test_url_field_invalid", "title", "this is a test")
self.assertRaises(FieldValidationException, lambda: duration_field.to_python("1 treefrog"))
self.assertRaises(FieldValidationException, lambda: duration_field.to_python("minute"))
def test_duration_valid(self):
"""
Tests the conversion of the duration string to an integer.
"""
duration_field = DurationField("test_duration_valid", "title", "this is a test")
self.assertEqual(duration_field.to_python("1m"), 60)
self.assertEqual(duration_field.to_python("5m"), 300)
self.assertEqual(duration_field.to_python("5 minute"), 300)
self.assertEqual(duration_field.to_python("5"), 5)
self.assertEqual(duration_field.to_python("5h"), 18000)
self.assertEqual(duration_field.to_python("2d"), 172800)
self.assertEqual(duration_field.to_python("2w"), 86400 * 7 * 2)