import decimal
import unittest

from lesana import types


class testTypes(unittest.TestCase):
    def setUp(self):
        pass

    def tearDown(self):
        pass

    def test_string(self):
        checker = types.LesanaString()

        s = checker.empty()
        self.assertEqual(s, "")

        s = checker.load("Hello World!")
        self.assertEqual(s, "Hello World!")

    def test_text(self):
        checker = types.LesanaText()

        s = checker.empty()
        self.assertEqual(s, "")

        s = checker.load("Hello World!")
        self.assertEqual(s, "Hello World!")

    def test_int(self):
        checker = types.LesanaInt()

        v = checker.empty()
        self.assertEqual(v, 0)

        v = checker.load("10")
        self.assertEqual(v, 10)

        v = checker.load(10.5)
        self.assertEqual(v, 10)

        for d in ("ten", "10.5"):
            with self.assertRaises(types.LesanaValueError):
                checker.load(d)

    def test_float(self):
        checker = types.LesanaFloat()

        v = checker.empty()
        self.assertEqual(v, 0.0)

        v = checker.load("10")
        self.assertEqual(v, 10)

        v = checker.load(10.5)
        self.assertEqual(v, 10.5)

        v = checker.load("10.5")
        self.assertEqual(v, 10.5)

        for d in ("ten"):
            with self.assertRaises(types.LesanaValueError):
                checker.load(d)

    def test_decimal(self):
        checker = types.LesanaDecimal()

        v = checker.empty()
        self.assertEqual(v, decimal.Decimal(0))

        v = checker.load("10")
        self.assertEqual(v, decimal.Decimal(10))

        v = checker.load(10.5)
        self.assertEqual(v, decimal.Decimal(10.5))

        v = checker.load("10.5")
        self.assertEqual(v, decimal.Decimal(10.5))

        for d in ("ten"):
            with self.assertRaises(types.LesanaValueError):
                checker.load(d)


if __name__ == '__main__':
    unittest.main()