def test_float(self):
t = Float()
self.assertIs(t.to_python(None), None)
self.assertRaises(ValueError, lambda: t.to_python('test'))
self.assertEqual(t.to_python(123), 123)
self.assertEqual(t.to_python('123'), 123)
self.assertEqual(t.from_python('test'), 'test')
self.assertRaises(ValidationError, lambda: t.from_python('test', validate=True))
self.assertAlmostEqual(t.from_python('128', validate=True), 128.0)
self.assertAlmostEqual(t.from_python(128, validate=True), 128.0)
def test_from_python__is_none(self):
# self.assertIsNone(String().from_python(None))
self.assertIsNone(Byte().from_python(None))
self.assertIsNone(Short().from_python(None))
self.assertIsNone(Integer().from_python(None))
self.assertIsNone(Long().from_python(None))
self.assertIsNone(Float().from_python(None))
self.assertIsNone(Double().from_python(None))
# self.assertIsNone(Date().from_python(None))
# self.assertIsNone(Boolean().from_python(None))
# self.assertIsNone(Binary().from_python(None))
self.assertIsNone(Ip().from_python(None))
self.assertIsNone(Object(DynamicDocument).from_python(None))
# self.assertIsNone(Nested().to_python(None))
# self.assertIsNone(List(String).from_python(None))
self.assertIsNone(GeoPoint().from_python(None))
self.assertIsNone(Completion().from_python(None))
def to_float(value, type=None):
type = type or Float()
v = type.to_python_single(value)
if math.isnan(v) or math.isinf(v):
raise ValueError('NaN or Inf is not supported')
return v