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import unittest
from pgxnclient import Label, Term, Identifier
class LabelTestCase(unittest.TestCase):
def test_ok(self):
for s in [
'd',
'a1234',
'abcd1234-5432XYZ',
'a12345678901234567890123456789012345678901234567890123456789012',
]:
self.assertEqual(Label(s), s)
self.assertEqual(Label(s), Label(s))
self.assert_(Label(s) <= Label(s))
self.assert_(Label(s) >= Label(s))
def test_bad(self):
def ar(s):
try:
Label(s)
except ValueError:
pass
else:
self.fail("ValueError not raised: '%s'" % s)
for s in [
'',
' a',
'a ',
'1a',
'-a',
'a-',
'a_b',
'a123456789012345678901234567890123456789012345678901234567890123',
]:
ar(s)
def test_compare(self):
self.assertEqual(Label('a'), Label('A'))
self.assertNotEqual(str(Label('a')), str(Label('A'))) # preserving
def test_order(self):
self.assert_(Label('a') < Label('B') < Label('c'))
self.assert_(Label('A') < Label('b') < Label('C'))
self.assert_(Label('a') <= Label('B') <= Label('c'))
self.assert_(Label('A') <= Label('b') <= Label('C'))
self.assert_(Label('c') > Label('B') > Label('a'))
self.assert_(Label('C') > Label('b') > Label('A'))
self.assert_(Label('c') >= Label('B') >= Label('a'))
self.assert_(Label('C') >= Label('b') >= Label('A'))
class TermTestCase(unittest.TestCase):
def test_ok(self):
for s in ['aa' 'adfkjh"()']:
self.assertEqual(Term(s), s)
self.assertEqual(Term(s), Term(s))
self.assert_(Term(s) <= Term(s))
self.assert_(Term(s) >= Term(s))
def test_bad(self):
def ar(s):
try:
Term(s)
except ValueError:
pass
else:
self.fail("ValueError not raised: '%s'" % s)
for s in ['a', 'aa ', 'a/a', 'a\\a', 'a\ta', 'aa\x01']:
ar(s)
class TestIdentifier(unittest.TestCase):
def test_nonblank(self):
self.assertRaises(ValueError, Identifier, "")
def test_unquoted(self):
for s in ['x', 'xxxxx', 'abcxyz_0189', 'ABCXYZ_0189']:
self.assertEqual(Identifier(s), s)
def test_quoted(self):
for s, q in [('x-y', '"x-y"'), (' ', '" "'), ('x"y', '"x""y"')]:
self.assertEqual(Identifier(s), q)
if __name__ == '__main__':
unittest.main()
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