def test_parse_unsupported(self):
tests = [
# malformed pairs
'(1,1',
'1,1)',
'[1,1',
'1,1]',
# unsupported pairs
'1 1',
'(1 1)',
'[1 1]',
'(,)',
'(1,)',
'(,1)',
'(spam,spam)',
# extra numbers
'1,1,1',
# not pairs
'1',
'1.0',
'spam',
# malformed complex
'1+1jj',
'x+1j',
# non-strings
object(),
None,
True,
False,
0,
1,
1.0,
[1, 1],
(1, 1),
{
1: 1
},
]
for raw in tests:
with self.subTest(repr(raw)):
with self.assertRaises(ValueError):
Point2D.parse(raw)
def test_parse_supported(self):
tests = {
'1, 1': Point2D(1, 1),
'1,1': Point2D(1, 1),
'(1, 1)': Point2D(1, 1),
'(1,1)': Point2D(1, 1),
'[1, 1]': Point2D(1, 1),
'[1,1]': Point2D(1, 1),
'1.0,1.0': Point2D(1.0, 1.0),
'1+1i': Point2D(1, 1),
'1+1j': Point2D(1, 1),
'-1,-1': Point2D(-1, -1),
}
for raw, expected in tests.items():
with self.subTest(repr(raw)):
p = Point2D.parse(raw)
self.assertEqual(p, expected)
def test_parse_empty(self):
p = Point2D.parse('')
self.assertEqual(p, Point2D())