mirror of
https://github.com/python/cpython.git
synced 2025-10-31 10:26:02 +00:00
177 lines
6.5 KiB
Python
177 lines
6.5 KiB
Python
import unittest
|
|
import idlelib.CallTips as ct
|
|
import textwrap
|
|
import types
|
|
|
|
default_tip = ct._default_callable_argspec
|
|
|
|
# Test Class TC is used in multiple get_argspec test methods
|
|
class TC():
|
|
'doc'
|
|
tip = "(ai=None, *b)"
|
|
def __init__(self, ai=None, *b): 'doc'
|
|
__init__.tip = "(self, ai=None, *b)"
|
|
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, **kw)"
|
|
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_argspec # 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 inspect or 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):
|
|
|
|
# Python class that inherits builtin methods
|
|
class List(list): "List() doc"
|
|
# Simulate builtin with no docstring for default tip test
|
|
class SB: __call__ = None
|
|
|
|
def gtest(obj, out):
|
|
self.assertEqual(signature(obj), out)
|
|
|
|
if List.__doc__ is not None:
|
|
gtest(List, List.__doc__)
|
|
gtest(list.__new__,
|
|
'Create and return a new object. See help(type) for accurate signature.')
|
|
gtest(list.__init__,
|
|
'Initialize self. See help(type(self)) for accurate signature.')
|
|
append_doc = "L.append(object) -> None -- append object to end"
|
|
gtest(list.append, append_doc)
|
|
gtest([].append, append_doc)
|
|
gtest(List.append, append_doc)
|
|
|
|
gtest(types.MethodType, "method(function, instance)")
|
|
gtest(SB(), default_tip)
|
|
|
|
def test_signature_wrap(self):
|
|
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, tabsize=8, *, max_lines=None,
|
|
placeholder=' [...]')''')
|
|
|
|
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),
|
|
"list() -> new empty list\n"
|
|
"list(iterable) -> new list initialized from iterable's items")
|
|
|
|
# Test max lines
|
|
self.assertEqual(signature(bytes), '''\
|
|
bytes(iterable_of_ints) -> bytes
|
|
bytes(string, encoding[, errors]) -> bytes
|
|
bytes(bytes_or_buffer) -> immutable copy of bytes_or_buffer
|
|
bytes(int) -> bytes object of size given by the parameter initialized with null bytes
|
|
bytes() -> empty bytes object''')
|
|
|
|
# Test more than max lines
|
|
def f(): pass
|
|
f.__doc__ = 'a\n' * 15
|
|
self.assertEqual(signature(f), '()' + '\na' * ct._MAX_LINES)
|
|
|
|
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, **kw): 'doc'
|
|
t5.tip = "(a, b=None, *args, **kw)"
|
|
|
|
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
|
|
c = C()
|
|
for meth, mtip in ((C.m1, '(*args)'), (c.m1, "(*args)"),
|
|
(C.m2, "(**kwds)"), (c.m2, "(**kwds)"),):
|
|
self.assertEqual(signature(meth), mtip)
|
|
|
|
def test_non_ascii_name(self):
|
|
# test that re works to delete a first parameter name that
|
|
# includes non-ascii chars, such as various forms of A.
|
|
uni = "(A\u0391\u0410\u05d0\u0627\u0905\u1e00\u3042, a)"
|
|
assert ct._first_param.sub('', uni) == '(a)'
|
|
|
|
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:
|
|
def __getattr__(self, name):
|
|
raise BaseException
|
|
class Call(NoCall):
|
|
def __call__(self, ci):
|
|
pass
|
|
for meth, mtip in ((NoCall, default_tip), (Call, default_tip),
|
|
(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):
|
|
def test_bad_entity(self):
|
|
self.assertIsNone(ct.get_entity('1/0'))
|
|
def test_good_entity(self):
|
|
self.assertIs(ct.get_entity('int'), int)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(verbosity=2, exit=False)
|