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path: root/tests/test_types.py
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import datetime
import decimal
import unittest

from lesana import types


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

    def tearDown(self):
        pass

    def test_base(self):
        checker = types.LesanaType()

        # The base class does not implement empty nor load
        with self.assertRaises(NotImplementedError):
            checker.empty()

        with self.assertRaises(NotImplementedError):
            checker.load("")

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

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

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

        s = checker.load(None)
        self.assertEqual(s, None)

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

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

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

        s = checker.load(None)
        self.assertEqual(s, None)

    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)

        v = checker.load(None)
        self.assertEqual(v, None)

    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)

        v = checker.load(None)
        self.assertEqual(v, None)

    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)

        v = checker.load(None)
        self.assertEqual(v, None)

    def test_timestamp(self):
        checker = types.LesanaTimestamp()

        v = checker.empty()
        self.assertEqual(v, None)

        now = datetime.datetime.now()
        v = checker.load(now)
        self.assertEqual(v, now)

        today = datetime.date.today()
        v = checker.load(today)
        self.assertEqual(v, today)

        v = checker.load("2020-01-01")
        self.assertEqual(v, datetime.datetime(2020, 1, 1))

        v = checker.load("2020-01-01 10:00")
        self.assertEqual(v, datetime.datetime(2020, 1, 1, 10, 0))

        for d in ("today", "2020-13-01"):
            with self.assertRaises(types.LesanaValueError):
                checker.load(d)

        v = checker.load(None)
        self.assertEqual(v, None)

    def test_boolean(self):
        checker = types.LesanaBoolean()

        v = checker.empty()
        self.assertEqual(v, None)

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

        for d in ("maybe", "yes", "no"):
            with self.assertRaises(types.LesanaValueError):
                checker.load(d)

        v = checker.load(None)
        self.assertEqual(v, None)


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