def test_valid_option(self):
"""Validation: test that a string is a valid option."""
from natcap.invest import validation
self.assertEqual(
None,
validation.check_option_string('foo',
options=['foo', 'bar', 'Baz']))
def test_invalid_option(self):
"""Validation: test when a string is not a valid option."""
from natcap.invest import validation
error_msg = validation.check_option_string(
'FOO', options=['foo', 'bar', 'Baz'])
self.assertTrue('must be one of' in error_msg)