cpython/Lib/test/test_rlcompleter.py

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import unittest
import builtins
import rlcompleter
class CompleteMe:
""" Trivial class used in testing rlcompleter.Completer. """
spam = 1
class TestRlcompleter(unittest.TestCase):
def setUp(self):
self.stdcompleter = rlcompleter.Completer()
self.completer = rlcompleter.Completer(dict(spam=int,
egg=str,
CompleteMe=CompleteMe))
# forces stdcompleter to bind builtins namespace
self.stdcompleter.complete('', 0)
def test_namespace(self):
class A(dict):
pass
class B(list):
pass
self.assertTrue(self.stdcompleter.use_main_ns)
self.assertFalse(self.completer.use_main_ns)
self.assertFalse(rlcompleter.Completer(A()).use_main_ns)
self.assertRaises(TypeError, rlcompleter.Completer, B((1,)))
def test_global_matches(self):
# test with builtins namespace
self.assertEqual(sorted(self.stdcompleter.global_matches('di')),
[x+'(' for x in dir(builtins) if x.startswith('di')])
self.assertEqual(sorted(self.stdcompleter.global_matches('st')),
[x+'(' for x in dir(builtins) if x.startswith('st')])
self.assertEqual(self.stdcompleter.global_matches('akaksajadhak'), [])
# test with a customized namespace
self.assertEqual(self.completer.global_matches('CompleteM'),
['CompleteMe('])
self.assertEqual(self.completer.global_matches('eg'),
['egg('])
# XXX: see issue5256
self.assertEqual(self.completer.global_matches('CompleteM'),
['CompleteMe('])
def test_attr_matches(self):
# test with builtins namespace
self.assertEqual(self.stdcompleter.attr_matches('str.s'),
['str.{}('.format(x) for x in dir(str)
if x.startswith('s')])
self.assertEqual(self.stdcompleter.attr_matches('tuple.foospamegg'), [])
# test with a customized namespace
self.assertEqual(self.completer.attr_matches('CompleteMe.sp'),
['CompleteMe.spam'])
self.assertEqual(self.completer.attr_matches('Completeme.egg'), [])
CompleteMe.me = CompleteMe
self.assertEqual(self.completer.attr_matches('CompleteMe.me.me.sp'),
['CompleteMe.me.me.spam'])
self.assertEqual(self.completer.attr_matches('egg.s'),
['egg.{}('.format(x) for x in dir(str)
if x.startswith('s')])
def test_complete(self):
completer = rlcompleter.Completer()
self.assertEqual(completer.complete('', 0), '\t')
self.assertEqual(completer.complete('a', 0), 'and')
self.assertEqual(completer.complete('a', 1), 'as')
self.assertEqual(completer.complete('as', 2), 'assert')
self.assertEqual(completer.complete('an', 0), 'and')
if __name__ == '__main__':
unittest.main()