import unittest

from lodel.leapi.datahandlers.datas import Boolean, Varchar, Integer


class BooleanTestCase(unittest.TestCase):

    def test_boolean_check_data_value(self):
        test_boolean = Boolean()

        # correct values
        for test_value in [True, False]:
            _, error = test_boolean.check_data_value(test_value)
            self.assertIsNone(error)

        # incorrect values
        for test_value in ['ok', 'True', 'False']:
            _, error = test_boolean.check_data_value(test_value)
            self.assertIsNotNone(error)

    def test_can_override(self):
        test_boolean = Boolean()

        test_varchar = Varchar()
        test_int = Integer()

        self.assertFalse(test_boolean.can_override(test_varchar))
        self.assertFalse(test_boolean.can_override(test_int))