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1 files changed, 185 insertions, 0 deletions

diff --git a/lib/python2.7/idlelib/idle_test/test_calltips.py b/lib/python2.7/idlelib/idle_test/test_calltips.py
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index 0000000..147119c
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+++ b/lib/python2.7/idlelib/idle_test/test_calltips.py
@@ -0,0 +1,185 @@
+import unittest
+import idlelib.CallTips as ct
+CTi = ct.CallTips()  # needed for get_entity test in 2.7
+import textwrap
+import types
+import warnings
+
+default_tip = ''
+
+# Test Class TC is used in multiple get_argspec test methods
+class TC(object):
+    'doc'
+    tip = "(ai=None, *args)"
+    def __init__(self, ai=None, *b): 'doc'
+    __init__.tip = "(self, ai=None, *args)"
+    def t1(self): 'doc'
+    t1.tip = "(self)"
+    def t2(self, ai, b=None): 'doc'
+    t2.tip = "(self, ai, b=None)"
+    def t3(self, ai, *args): 'doc'
+    t3.tip = "(self, ai, *args)"
+    def t4(self, *args): 'doc'
+    t4.tip = "(self, *args)"
+    def t5(self, ai, b=None, *args, **kw): 'doc'
+    t5.tip = "(self, ai, b=None, *args, **kwargs)"
+    def t6(no, self): 'doc'
+    t6.tip = "(no, self)"
+    def __call__(self, ci): 'doc'
+    __call__.tip = "(self, ci)"
+    # attaching .tip to wrapped methods does not work
+    @classmethod
+    def cm(cls, a): 'doc'
+    @staticmethod
+    def sm(b): 'doc'
+
+tc = TC()
+
+signature = ct.get_arg_text  # 2.7 and 3.x use different functions
+class Get_signatureTest(unittest.TestCase):
+    # The signature function must return a string, even if blank.
+    # Test a variety of objects to be sure that none cause it to raise
+    # (quite aside from getting as correct an answer as possible).
+    # The tests of builtins may break if the docstrings change,
+    # but a red buildbot is better than a user crash (as has happened).
+    # For a simple mismatch, change the expected output to the actual.
+
+    def test_builtins(self):
+        # 2.7 puts '()\n' where 3.x does not, other minor differences
+
+        # Python class that inherits builtin methods
+        class List(list): "List() doc"
+        # Simulate builtin with no docstring for default argspec test
+        class SB:  __call__ = None
+
+        def gtest(obj, out):
+            self.assertEqual(signature(obj), out)
+
+        if List.__doc__ is not None:
+            gtest(List, '()\n' + List.__doc__)
+        gtest(list.__new__,
+               'T.__new__(S, ...) -> a new object with type S, a subtype of T')
+        gtest(list.__init__,
+               'x.__init__(...) initializes x; see help(type(x)) for signature')
+        append_doc =  "L.append(object) -- append object to end"
+        gtest(list.append, append_doc)
+        gtest([].append, append_doc)
+        gtest(List.append, append_doc)
+
+        gtest(types.MethodType, '()\ninstancemethod(function, instance, class)')
+        gtest(SB(), default_tip)
+
+    def test_signature_wrap(self):
+        # This is also a test of an old-style class
+        if textwrap.TextWrapper.__doc__ is not None:
+            self.assertEqual(signature(textwrap.TextWrapper), '''\
+(width=70, initial_indent='', subsequent_indent='', expand_tabs=True,
+    replace_whitespace=True, fix_sentence_endings=False, break_long_words=True,
+    drop_whitespace=True, break_on_hyphens=True)''')
+
+    def test_docline_truncation(self):
+        def f(): pass
+        f.__doc__ = 'a'*300
+        self.assertEqual(signature(f), '()\n' + 'a' * (ct._MAX_COLS-3) + '...')
+
+    def test_multiline_docstring(self):
+        # Test fewer lines than max.
+        self.assertEqual(signature(list),
+                "()\nlist() -> new empty list\n"
+                "list(iterable) -> new list initialized from iterable's items")
+
+        # Test max lines and line (currently) too long.
+        def f():
+            pass
+        s = 'a\nb\nc\nd\n'
+        f.__doc__ = s + 300 * 'e' + 'f'
+        self.assertEqual(signature(f),
+                         '()\n' + s + (ct._MAX_COLS - 3) * 'e' + '...')
+
+    def test_functions(self):
+        def t1(): 'doc'
+        t1.tip = "()"
+        def t2(a, b=None): 'doc'
+        t2.tip = "(a, b=None)"
+        def t3(a, *args): 'doc'
+        t3.tip = "(a, *args)"
+        def t4(*args): 'doc'
+        t4.tip = "(*args)"
+        def t5(a, b=None, *args, **kwds): 'doc'
+        t5.tip = "(a, b=None, *args, **kwargs)"
+
+        doc = '\ndoc' if t1.__doc__ is not None else ''
+        for func in (t1, t2, t3, t4, t5, TC):
+            self.assertEqual(signature(func), func.tip + doc)
+
+    def test_methods(self):
+        doc = '\ndoc' if TC.__doc__ is not None else ''
+        for meth in (TC.t1, TC.t2, TC.t3, TC.t4, TC.t5, TC.t6, TC.__call__):
+            self.assertEqual(signature(meth), meth.tip + doc)
+        self.assertEqual(signature(TC.cm), "(a)" + doc)
+        self.assertEqual(signature(TC.sm), "(b)" + doc)
+
+    def test_bound_methods(self):
+        # test that first parameter is correctly removed from argspec
+        doc = '\ndoc' if TC.__doc__ is not None else ''
+        for meth, mtip  in ((tc.t1, "()"), (tc.t4, "(*args)"), (tc.t6, "(self)"),
+                            (tc.__call__, '(ci)'), (tc, '(ci)'), (TC.cm, "(a)"),):
+            self.assertEqual(signature(meth), mtip + doc)
+
+    def test_starred_parameter(self):
+        # test that starred first parameter is *not* removed from argspec
+        class C:
+            def m1(*args): pass
+            def m2(**kwds): pass
+        def f1(args, kwargs, *a, **k): pass
+        def f2(args, kwargs, args1, kwargs1, *a, **k): pass
+        c = C()
+        self.assertEqual(signature(C.m1), '(*args)')
+        self.assertEqual(signature(c.m1), '(*args)')
+        self.assertEqual(signature(C.m2), '(**kwargs)')
+        self.assertEqual(signature(c.m2), '(**kwargs)')
+        self.assertEqual(signature(f1), '(args, kwargs, *args1, **kwargs1)')
+        self.assertEqual(signature(f2),
+                         '(args, kwargs, args1, kwargs1, *args2, **kwargs2)')
+
+    def test_no_docstring(self):
+        def nd(s): pass
+        TC.nd = nd
+        self.assertEqual(signature(nd), "(s)")
+        self.assertEqual(signature(TC.nd), "(s)")
+        self.assertEqual(signature(tc.nd), "()")
+
+    def test_attribute_exception(self):
+        class NoCall(object):
+            def __getattr__(self, name):
+                raise BaseException
+        class Call(NoCall):
+            def __call__(self, ci):
+                pass
+        for meth, mtip  in ((NoCall, '()'), (Call, '()'),
+                            (NoCall(), ''), (Call(), '(ci)')):
+            self.assertEqual(signature(meth), mtip)
+
+    def test_non_callables(self):
+        for obj in (0, 0.0, '0', b'0', [], {}):
+            self.assertEqual(signature(obj), '')
+
+class Get_entityTest(unittest.TestCase):
+    # In 3.x, get_entity changed from 'instance method' to module function
+    # since 'self' not used. Use dummy instance until change 2.7 also.
+    def test_bad_entity(self):
+        self.assertIsNone(CTi.get_entity('1//0'))
+    def test_good_entity(self):
+        self.assertIs(CTi.get_entity('int'), int)
+
+class Py2Test(unittest.TestCase):
+    def test_paramtuple_float(self):
+        # 18539: (a,b) becomes '.0' in code object; change that but not 0.0
+        with warnings.catch_warnings():
+            # Suppess message of py3 deprecation of parameter unpacking
+            warnings.simplefilter("ignore")
+            exec "def f((a,b), c=0.0): pass"
+        self.assertEqual(signature(f), '(<tuple>, c=0.0)')
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2, exit=False)