def test___eq___b1_equal(self):
"""Test equality of two objects carrying ``b'1'``."""
TEST_DATA = b'1'
d0 = mixin.HasData(data=TEST_DATA)
d1 = mixin.HasData(data=TEST_DATA)
self.assertEqual(d0, d1)
def test_data_set_type_error(self):
"""Invalid data type should raise a ``TypeError``."""
TEST_DATA = 1
d = mixin.HasData()
with self.assertRaises(TypeError):
d.data = TEST_DATA
def test_data_set_none(self):
"""Set ``data`` property to ``None`` should raise a ``TypeError``."""
TEST_DATA = None
d = mixin.HasData()
with self.assertRaises(TypeError):
d.data = TEST_DATA
def test_whash_b1(self):
"""Test weak hash value of data ``b'1'``."""
TEST_DATA = b'1'
WHASH_DATA = '66b3d38e379784f0'
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(d.whash, WHASH_DATA)
def test_whash_empty(self):
"""Requesting weak hash with empty data."""
TEST_DATA = b''
WHASH_DATA = 'd7822edb70574ea2'
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(d.whash, WHASH_DATA)
def test_shash_empty(self):
"""Requesting weak hash with empty data."""
TEST_DATA = b''
SHASH_DATA = (
'bc400036267d04573773bf75f69a253116d1e5b298e90fd6452787960870d8a9')
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(d.shash, SHASH_DATA)
def test_shash_b1(self):
"""Test weak hash value of data ``b'1'``."""
TEST_DATA = b'1'
SHASH_DATA = (
'14c1130ee81a12b55612ae6acfb29ae54d4dfa75f2551c55ccdaf1e14369d31e')
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(d.shash, SHASH_DATA)
def test_data_set(self):
"""Test ``data`` property to change carried data."""
INIT_DATA = b'1'
NEW_DATA = b'2'
d = mixin.HasData(data=INIT_DATA)
d.data = NEW_DATA
self.assertEqual(d.data, NEW_DATA)
def test_whash_new_data(self):
"""Setting new data should change weak hash."""
TEST_DATA1 = b'1'
WHASH_DATA1 = '66b3d38e379784f0'
TEST_DATA2 = b'2'
WHASH_DATA2 = 'a2c94a523dd3e9f6'
d = mixin.HasData(data=TEST_DATA1)
self.assertEqual(d.whash, WHASH_DATA1)
d.data = TEST_DATA2
self.assertEqual(d.whash, WHASH_DATA2)
def test_shash_new_data(self):
"""Setting new data should change weak hash."""
TEST_DATA1 = b'1'
SHASH_DATA1 = (
'14c1130ee81a12b55612ae6acfb29ae54d4dfa75f2551c55ccdaf1e14369d31e')
TEST_DATA2 = b'2'
SHASH_DATA2 = (
'e4ec00adce69421f373573fe96da3b036a5530dc10983006bdcb6f910a0bd0c2')
d = mixin.HasData(data=TEST_DATA1)
self.assertEqual(d.shash, SHASH_DATA1)
d.data = TEST_DATA2
self.assertEqual(d.shash, SHASH_DATA2)
def test___eq___b1_equals_bytes(self):
"""Comparing with an object carrying ``b'1'`` with a bytes object."""
TEST_DATA = b'1'
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(d, TEST_DATA)
def test___eq___empty_equal(self):
"""Test equality of two empty data."""
d0 = mixin.HasData()
d1 = mixin.HasData()
self.assertEqual(d0, d1)
def test___eq___not_equal(self):
"""Test inequality of two objects carrying different data."""
d0 = mixin.HasData(data=b'1')
d1 = mixin.HasData(data=b'2')
self.assertNotEqual(d0, d1)
def test___init___type_error(self):
"""Invalid data type should raise a ``TypeError``."""
TEST_DATA = 1
with self.assertRaises(TypeError):
mixin.HasData(data=TEST_DATA)
def test___init___data_none(self):
"""Initialization with ``None`` should raise a ``TypeError``."""
TEST_DATA = None
with self.assertRaises(TypeError):
mixin.HasData(data=TEST_DATA)
def test___init___no_params(self):
"""Initialization with parameters should be equivalent to ``b''``."""
EMPTY_DATA = b''
d = mixin.HasData()
self.assertEqual(d.data, EMPTY_DATA)
def test___init___expected_data(self):
"""Test data initialization with expected data type."""
TEST_DATA = b'1'
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(d.data, TEST_DATA)
def test_data_get(self):
"""Test ``data`` property to return carried data."""
TEST_DATA = b'1'
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(d.data, TEST_DATA)
def test___eq___invalid_type(self):
"""Comparing with an invalid type should raise a ``TypeError``."""
d = mixin.HasData(data=b'1')
with self.assertRaises(TypeError):
self.assertEqual(d, 1)
def test___len___b1(self):
"""Test length of data ``b'1'``."""
TEST_DATA = b'1'
d = mixin.HasData(data=TEST_DATA)
self.assertEqual(len(d), 1)
def test___len___empty(self):
"""Test length of empty data."""
d = mixin.HasData()
self.assertEqual(len(d), 0)