def test_int_no_data_loss(self):
""" Int fields refuse to drop floating point data """
field = Field(data_type=int, coerce=True)
with self.assertRaises(ValueError):
field.coerce(4.5)
with self.assertRaises(ValueError):
field.coerce(Decimal('4.5'))
def test_coerce_boto_s3key(self):
""" Coerce boto key to S3 key """
field = Field(data_type=S3Type('mybucket'))
boto_key = boto.s3.key.Key()
boto_key.key = 'my/path'
ret = field.coerce(boto_key)
self.assertTrue(isinstance(ret, Key))
self.assertEqual(ret.key, 'my/path')
def test_coerce_number_set_fail(self):
""" Coerce to number set fails """
field = Field(data_type=set_(int))
with self.assertRaises(TypeError):
field.coerce([2, '4'])
def test_coerce_basic_set_fail(self):
""" Coercing to untyped set fails """
field = Field(data_type=set)
with self.assertRaises(TypeError):
field.coerce(['a', 'b'])
def test_coerce_date_fail(self):
""" Coercing to date fails """
field = Field(data_type=date, coerce=True)
with self.assertRaises(TypeError):
field.coerce(12345)
def test_coerce_bool(self):
""" Coerce to bool """
field = Field(data_type=bool, coerce=True)
ret = field.coerce(2)
self.assertTrue(isinstance(ret, bool))
def test_coerce_list(self):
""" Coerce to list """
field = Field(data_type=list, coerce=True)
ret = field.coerce(set([1, 2]))
self.assertTrue(isinstance(ret, list))
def test_coerce_dict(self):
""" Coerce to dict """
field = Field(data_type=dict, coerce=True)
ret = field.coerce([(1, 2)])
self.assertTrue(isinstance(ret, dict))
def test_coerce_str_fail(self):
""" Coerce to bytes fails if coerce=False """
field = Field(data_type=six.binary_type)
with self.assertRaises(TypeError):
field.coerce(5)
def test_always_coerce_unicode_str(self):
""" Always coerce unicode to bytes """
field = Field(data_type=six.binary_type)
ret = field.coerce(six.u('val'))
self.assertTrue(isinstance(ret, six.binary_type))
def test_coerce_str(self):
""" Coerce to bytes """
field = Field(data_type=six.binary_type, coerce=True)
ret = field.coerce(5)
self.assertTrue(isinstance(ret, six.binary_type))
def test_coerce_unicode_fail(self):
""" Coerce to unicode fails if coerce=False """
field = Field(data_type=six.text_type)
with self.assertRaises(TypeError):
field.coerce(5)
def test_coerce_unicode(self):
""" Coerce to unicode """
field = Field(data_type=six.text_type, coerce=True)
ret = field.coerce(5)
self.assertTrue(isinstance(ret, six.text_type))
def test_always_coerce_str_unicode(self):
""" Always coerce bytes to unicode """
field = Field(data_type=six.text_type)
ret = field.coerce(b'val')
self.assertTrue(isinstance(ret, six.text_type))
def test_coerce_decimal_fail(self):
""" Coerce to Decimal fails if coerce=False """
field = Field(data_type=Decimal)
with self.assertRaises(TypeError):
field.coerce(5.5)
def test_int_coerce(self):
""" Int fields can coerce floats """
field = Field(data_type=int, coerce=True)
ret = field.coerce(4.0)
self.assertEquals(ret, 4)
self.assertTrue(isinstance(ret, int))
def test_coerce_set(self):
""" Coerce to set """
field = Field(data_type=set, coerce=True)
ret = field.coerce([1, 2])
self.assertTrue(isinstance(ret, set))
def test_int_coerce_fail(self):
""" Coerce to int fails if coerce=False """
field = Field(data_type=int)
with self.assertRaises(TypeError):
field.coerce(4.0)
def test_coerce_dict_fail(self):
""" Coerce to dict fails if coerce=False """
field = Field(data_type=dict)
with self.assertRaises(TypeError):
field.coerce([(1, 2)])
def test_int_coerce_long(self):
""" Int fields can transparently handle longs """
field = Field(data_type=int)
val = 100
ret = field.coerce(val)
self.assertEqual(ret, val)
def test_coerce_list_fail(self):
""" Coerce to list fails if coerce=False """
field = Field(data_type=list)
with self.assertRaises(TypeError):
field.coerce(set([1, 2]))
def test_coerce_float(self):
""" Coerce to float """
field = Field(data_type=float, coerce=True)
ret = field.coerce('4.3')
self.assertTrue(isinstance(ret, float))
def test_coerce_bool_fail(self):
""" Coerce to bool fails if coerce=False """
field = Field(data_type=bool)
with self.assertRaises(TypeError):
field.coerce(2)
def test_always_coerce_int_float(self):
""" Always coerce ints to float """
field = Field(data_type=float)
ret = field.coerce(5)
self.assertTrue(isinstance(ret, float))
def test_coerce_basic_set(self):
""" Coerce to an untyped set """
field = Field(data_type=set, coerce=True)
ret = field.coerce(['a', 'b'])
self.assertEqual(ret, set(['a', 'b']))
def test_coerce_float_fail(self):
""" Coerce to float fails if coerce=False """
field = Field(data_type=float)
with self.assertRaises(TypeError):
field.coerce('4.3')
def test_coerce_number_set(self):
""" Coerce to number set """
field = Field(data_type=set_(int), coerce=True)
ret = field.coerce([2, '4'])
self.assertEqual(ret, set([2, 4]))
def test_coerce_decimal(self):
""" Coerce to Decimal """
field = Field(data_type=Decimal, coerce=True)
ret = field.coerce(5.5)
self.assertTrue(isinstance(ret, Decimal))
def test_coerce_binary_set(self):
""" Coerce to binary set """
field = Field(data_type=set_(six.binary_type), coerce=True)
ret = field.coerce([six.u('hello')])
self.assertEqual(ret, set([b'hello']))
def test_coerce_s3key(self):
""" Coerce string to S3 key """
field = Field(data_type=S3Type('mybucket'))
ret = field.coerce('my/path')
self.assertTrue(isinstance(ret, Key))
self.assertEqual(ret.key, 'my/path')