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112 lines
4.7 KiB
Python
112 lines
4.7 KiB
Python
import unittest
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import unittest.mock
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import builtins
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import rlcompleter
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class CompleteMe:
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""" Trivial class used in testing rlcompleter.Completer. """
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spam = 1
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class TestRlcompleter(unittest.TestCase):
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def setUp(self):
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self.stdcompleter = rlcompleter.Completer()
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self.completer = rlcompleter.Completer(dict(spam=int,
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egg=str,
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CompleteMe=CompleteMe))
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# forces stdcompleter to bind builtins namespace
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self.stdcompleter.complete('', 0)
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def test_namespace(self):
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class A(dict):
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pass
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class B(list):
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pass
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self.assertTrue(self.stdcompleter.use_main_ns)
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self.assertFalse(self.completer.use_main_ns)
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self.assertFalse(rlcompleter.Completer(A()).use_main_ns)
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self.assertRaises(TypeError, rlcompleter.Completer, B((1,)))
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def test_global_matches(self):
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# test with builtins namespace
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self.assertEqual(sorted(self.stdcompleter.global_matches('di')),
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[x+'(' for x in dir(builtins) if x.startswith('di')])
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self.assertEqual(sorted(self.stdcompleter.global_matches('st')),
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[x+'(' for x in dir(builtins) if x.startswith('st')])
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self.assertEqual(self.stdcompleter.global_matches('akaksajadhak'), [])
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# test with a customized namespace
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self.assertEqual(self.completer.global_matches('CompleteM'),
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['CompleteMe('])
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self.assertEqual(self.completer.global_matches('eg'),
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['egg('])
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# XXX: see issue5256
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self.assertEqual(self.completer.global_matches('CompleteM'),
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['CompleteMe('])
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def test_attr_matches(self):
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# test with builtins namespace
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self.assertEqual(self.stdcompleter.attr_matches('str.s'),
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['str.{}('.format(x) for x in dir(str)
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if x.startswith('s')])
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self.assertEqual(self.stdcompleter.attr_matches('tuple.foospamegg'), [])
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# test with a customized namespace
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self.assertEqual(self.completer.attr_matches('CompleteMe.sp'),
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['CompleteMe.spam'])
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self.assertEqual(self.completer.attr_matches('Completeme.egg'), [])
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CompleteMe.me = CompleteMe
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self.assertEqual(self.completer.attr_matches('CompleteMe.me.me.sp'),
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['CompleteMe.me.me.spam'])
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self.assertEqual(self.completer.attr_matches('egg.s'),
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['egg.{}('.format(x) for x in dir(str)
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if x.startswith('s')])
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def test_excessive_getattr(self):
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# Ensure getattr() is invoked no more than once per attribute
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class Foo:
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calls = 0
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@property
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def bar(self):
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self.calls += 1
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return None
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f = Foo()
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completer = rlcompleter.Completer(dict(f=f))
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self.assertEqual(completer.complete('f.b', 0), 'f.bar')
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self.assertEqual(f.calls, 1)
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@unittest.mock.patch('rlcompleter._readline_available', False)
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def test_complete(self):
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completer = rlcompleter.Completer()
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self.assertEqual(completer.complete('', 0), '\t')
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self.assertEqual(completer.complete('a', 0), 'and')
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self.assertEqual(completer.complete('a', 1), 'as')
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self.assertEqual(completer.complete('as', 2), 'assert')
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self.assertEqual(completer.complete('an', 0), 'and')
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def test_duplicate_globals(self):
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namespace = {
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'False': None, # Keyword vs builtin vs namespace
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'assert': None, # Keyword vs namespace
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'try': lambda: None, # Keyword vs callable
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'memoryview': None, # Callable builtin vs non-callable
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'Ellipsis': lambda: None, # Non-callable builtin vs callable
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}
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completer = rlcompleter.Completer(namespace)
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self.assertEqual(completer.complete('False', 0), 'False')
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self.assertIsNone(completer.complete('False', 1)) # No duplicates
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self.assertEqual(completer.complete('assert', 0), 'assert')
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self.assertIsNone(completer.complete('assert', 1))
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self.assertEqual(completer.complete('try', 0), 'try')
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self.assertIsNone(completer.complete('try', 1))
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# No opening bracket "(" because we overrode the built-in class
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self.assertEqual(completer.complete('memoryview', 0), 'memoryview')
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self.assertIsNone(completer.complete('memoryview', 1))
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self.assertEqual(completer.complete('Ellipsis', 0), 'Ellipsis(')
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self.assertIsNone(completer.complete('Ellipsis', 1))
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if __name__ == '__main__':
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unittest.main()
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