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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)
v = checker.load("1600000000")
self.assertEqual(v, datetime.datetime(2020, 9, 13, 14, 26, 40))
today = datetime.date.today()
for d in (
today,
"today",
"2020-13-01", "2020-01-01",
"2020-01-01 10:00"
):
with self.assertRaises(types.LesanaValueError):
checker.load(d)
v = checker.load(None)
self.assertEqual(v, None)
def test_datetime(self):
checker = types.LesanaDatetime()
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.assertIsInstance(v, datetime.datetime)
for part in ('year', 'month', 'day'):
self.assertEqual(getattr(v, part), getattr(today, part))
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_date(self):
checker = types.LesanaDate()
v = checker.empty()
self.assertEqual(v, None)
now = datetime.datetime.now()
v = checker.load(now)
self.assertIsInstance(v, datetime.date)
for part in ('year', 'month', 'day'):
self.assertEqual(getattr(v, part), getattr(now, part))
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()
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