mirror of https://github.com/python/cpython
364 lines
13 KiB
Python
364 lines
13 KiB
Python
"Test calltip, coverage 76%"
|
|
|
|
from idlelib import calltip
|
|
import unittest
|
|
from unittest.mock import Mock
|
|
import textwrap
|
|
import types
|
|
import re
|
|
from idlelib.idle_test.mock_tk import Text
|
|
|
|
|
|
# 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)"
|
|
def nd(self): pass # No doc.
|
|
# attaching .tip to wrapped methods does not work
|
|
@classmethod
|
|
def cm(cls, a): 'doc'
|
|
@staticmethod
|
|
def sm(b): 'doc'
|
|
|
|
|
|
tc = TC()
|
|
default_tip = calltip._default_callable_argspec
|
|
get_spec = calltip.get_argspec
|
|
|
|
|
|
class Get_argspecTest(unittest.TestCase):
|
|
# The get_spec 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):
|
|
|
|
def tiptest(obj, out):
|
|
self.assertEqual(get_spec(obj), out)
|
|
|
|
# Python class that inherits builtin methods
|
|
class List(list): "List() doc"
|
|
|
|
# Simulate builtin with no docstring for default tip test
|
|
class SB: __call__ = None
|
|
|
|
if List.__doc__ is not None:
|
|
tiptest(List,
|
|
f'(iterable=(), /)'
|
|
f'\n{List.__doc__}')
|
|
tiptest(list.__new__,
|
|
'(*args, **kwargs)\n'
|
|
'Create and return a new object. '
|
|
'See help(type) for accurate signature.')
|
|
tiptest(list.__init__,
|
|
'(self, /, *args, **kwargs)\n'
|
|
'Initialize self. See help(type(self)) for accurate signature.')
|
|
append_doc = "\nAppend object to the end of the list."
|
|
tiptest(list.append, '(self, object, /)' + append_doc)
|
|
tiptest(List.append, '(self, object, /)' + append_doc)
|
|
tiptest([].append, '(object, /)' + append_doc)
|
|
|
|
tiptest(types.MethodType, "method(function, instance)")
|
|
tiptest(SB(), default_tip)
|
|
|
|
p = re.compile('')
|
|
tiptest(re.sub, '''\
|
|
(pattern, repl, string, count=0, flags=0)
|
|
Return the string obtained by replacing the leftmost
|
|
non-overlapping occurrences of the pattern in string by the
|
|
replacement repl. repl can be either a string or a callable;
|
|
if a string, backslash escapes in it are processed. If it is
|
|
a callable, it's passed the Match object and must return''')
|
|
tiptest(p.sub, '''\
|
|
(repl, string, count=0)
|
|
Return the string obtained by replacing the leftmost \
|
|
non-overlapping occurrences o...''')
|
|
|
|
def test_signature_wrap(self):
|
|
if textwrap.TextWrapper.__doc__ is not None:
|
|
self.assertEqual(get_spec(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=' [...]')
|
|
Object for wrapping/filling text. The public interface consists of
|
|
the wrap() and fill() methods; the other methods are just there for
|
|
subclasses to override in order to tweak the default behaviour.
|
|
If you want to completely replace the main wrapping algorithm,
|
|
you\'ll probably have to override _wrap_chunks().''')
|
|
|
|
def test_properly_formated(self):
|
|
|
|
def foo(s='a'*100):
|
|
pass
|
|
|
|
def bar(s='a'*100):
|
|
"""Hello Guido"""
|
|
pass
|
|
|
|
def baz(s='a'*100, z='b'*100):
|
|
pass
|
|
|
|
indent = calltip._INDENT
|
|
|
|
sfoo = "(s='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"\
|
|
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" + indent + "aaaaaaaaa"\
|
|
"aaaaaaaaaa')"
|
|
sbar = "(s='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"\
|
|
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" + indent + "aaaaaaaaa"\
|
|
"aaaaaaaaaa')\nHello Guido"
|
|
sbaz = "(s='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"\
|
|
"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" + indent + "aaaaaaaaa"\
|
|
"aaaaaaaaaa', z='bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"\
|
|
"bbbbbbbbbbbbbbbbb\n" + indent + "bbbbbbbbbbbbbbbbbbbbbb"\
|
|
"bbbbbbbbbbbbbbbbbbbbbb')"
|
|
|
|
for func,doc in [(foo, sfoo), (bar, sbar), (baz, sbaz)]:
|
|
with self.subTest(func=func, doc=doc):
|
|
self.assertEqual(get_spec(func), doc)
|
|
|
|
def test_docline_truncation(self):
|
|
def f(): pass
|
|
f.__doc__ = 'a'*300
|
|
self.assertEqual(get_spec(f), f"()\n{'a'*(calltip._MAX_COLS-3) + '...'}")
|
|
|
|
def test_multiline_docstring(self):
|
|
# Test fewer lines than max.
|
|
self.assertEqual(get_spec(range),
|
|
"range(stop) -> range object\n"
|
|
"range(start, stop[, step]) -> range object")
|
|
|
|
# Test max lines
|
|
self.assertEqual(get_spec(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(get_spec(f), '()' + '\na' * calltip._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):
|
|
with self.subTest(func=func):
|
|
self.assertEqual(get_spec(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__):
|
|
with self.subTest(meth=meth):
|
|
self.assertEqual(get_spec(meth), meth.tip + doc)
|
|
self.assertEqual(get_spec(TC.cm), "(a)" + doc)
|
|
self.assertEqual(get_spec(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)"),):
|
|
with self.subTest(meth=meth, mtip=mtip):
|
|
self.assertEqual(get_spec(meth), mtip + doc)
|
|
|
|
def test_starred_parameter(self):
|
|
# test that starred first parameter is *not* removed from argspec
|
|
class C:
|
|
def m1(*args): pass
|
|
c = C()
|
|
for meth, mtip in ((C.m1, '(*args)'), (c.m1, "(*args)"),):
|
|
with self.subTest(meth=meth, mtip=mtip):
|
|
self.assertEqual(get_spec(meth), mtip)
|
|
|
|
def test_invalid_method_get_spec(self):
|
|
class C:
|
|
def m2(**kwargs): pass
|
|
class Test:
|
|
def __call__(*, a): pass
|
|
|
|
mtip = calltip._invalid_method
|
|
self.assertEqual(get_spec(C().m2), mtip)
|
|
self.assertEqual(get_spec(Test()), 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 calltip._first_param.sub('', uni) == '(a)'
|
|
|
|
def test_no_docstring(self):
|
|
for meth, mtip in ((TC.nd, "(self)"), (tc.nd, "()")):
|
|
with self.subTest(meth=meth, mtip=mtip):
|
|
self.assertEqual(get_spec(meth), mtip)
|
|
|
|
def test_buggy_getattr_class(self):
|
|
class NoCall:
|
|
def __getattr__(self, name): # Not invoked for class attribute.
|
|
raise IndexError # Bug.
|
|
class CallA(NoCall):
|
|
def __call__(self, ci): # Bug does not matter.
|
|
pass
|
|
class CallB(NoCall):
|
|
def __call__(oui, a, b, c): # Non-standard 'self'.
|
|
pass
|
|
|
|
for meth, mtip in ((NoCall, default_tip), (CallA, default_tip),
|
|
(NoCall(), ''), (CallA(), '(ci)'),
|
|
(CallB(), '(a, b, c)')):
|
|
with self.subTest(meth=meth, mtip=mtip):
|
|
self.assertEqual(get_spec(meth), mtip)
|
|
|
|
def test_metaclass_class(self): # Failure case for issue 38689.
|
|
class Type(type): # Type() requires 3 type args, returns class.
|
|
__class__ = property({}.__getitem__, {}.__setitem__)
|
|
class Object(metaclass=Type):
|
|
__slots__ = '__class__'
|
|
for meth, mtip in ((Type, get_spec(type)), (Object, default_tip),
|
|
(Object(), '')):
|
|
with self.subTest(meth=meth, mtip=mtip):
|
|
self.assertEqual(get_spec(meth), mtip)
|
|
|
|
def test_non_callables(self):
|
|
for obj in (0, 0.0, '0', b'0', [], {}):
|
|
with self.subTest(obj=obj):
|
|
self.assertEqual(get_spec(obj), '')
|
|
|
|
|
|
class Get_entityTest(unittest.TestCase):
|
|
def test_bad_entity(self):
|
|
self.assertIsNone(calltip.get_entity('1/0'))
|
|
def test_good_entity(self):
|
|
self.assertIs(calltip.get_entity('int'), int)
|
|
|
|
|
|
# Test the 9 Calltip methods.
|
|
# open_calltip is about half the code; the others are fairly trivial.
|
|
# The default mocks are what are needed for open_calltip.
|
|
|
|
class mock_Shell():
|
|
"Return mock sufficient to pass to hyperparser."
|
|
def __init__(self, text):
|
|
text.tag_prevrange = Mock(return_value=None)
|
|
self.text = text
|
|
self.prompt_last_line = ">>> "
|
|
self.indentwidth = 4
|
|
self.tabwidth = 8
|
|
|
|
|
|
class mock_TipWindow:
|
|
def __init__(self):
|
|
pass
|
|
|
|
def showtip(self, text, parenleft, parenright):
|
|
self.args = parenleft, parenright
|
|
self.parenline, self.parencol = map(int, parenleft.split('.'))
|
|
|
|
|
|
class WrappedCalltip(calltip.Calltip):
|
|
def _make_tk_calltip_window(self):
|
|
return mock_TipWindow()
|
|
|
|
def remove_calltip_window(self, event=None):
|
|
if self.active_calltip: # Setup to None.
|
|
self.active_calltip = None
|
|
self.tips_removed += 1 # Setup to 0.
|
|
|
|
def fetch_tip(self, expression):
|
|
return 'tip'
|
|
|
|
|
|
class CalltipTest(unittest.TestCase):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.text = Text()
|
|
cls.ct = WrappedCalltip(mock_Shell(cls.text))
|
|
|
|
def setUp(self):
|
|
self.text.delete('1.0', 'end') # Insert and call
|
|
self.ct.active_calltip = None
|
|
# Test .active_calltip, +args
|
|
self.ct.tips_removed = 0
|
|
|
|
def open_close(self, testfunc):
|
|
# Open-close template with testfunc called in between.
|
|
opentip = self.ct.open_calltip
|
|
self.text.insert(1.0, 'f(')
|
|
opentip(False)
|
|
self.tip = self.ct.active_calltip
|
|
testfunc(self) ###
|
|
self.text.insert('insert', ')')
|
|
opentip(False)
|
|
self.assertIsNone(self.ct.active_calltip, None)
|
|
|
|
def test_open_close(self):
|
|
def args(self):
|
|
self.assertEqual(self.tip.args, ('1.1', '1.end'))
|
|
self.open_close(args)
|
|
|
|
def test_repeated_force(self):
|
|
def force(self):
|
|
for char in 'abc':
|
|
self.text.insert('insert', 'a')
|
|
self.ct.open_calltip(True)
|
|
self.ct.open_calltip(True)
|
|
self.assertIs(self.ct.active_calltip, self.tip)
|
|
self.open_close(force)
|
|
|
|
def test_repeated_parens(self):
|
|
def parens(self):
|
|
for context in "a", "'":
|
|
with self.subTest(context=context):
|
|
self.text.insert('insert', context)
|
|
for char in '(()())':
|
|
self.text.insert('insert', char)
|
|
self.assertIs(self.ct.active_calltip, self.tip)
|
|
self.text.insert('insert', "'")
|
|
self.open_close(parens)
|
|
|
|
def test_comment_parens(self):
|
|
def comment(self):
|
|
self.text.insert('insert', "# ")
|
|
for char in '(()())':
|
|
self.text.insert('insert', char)
|
|
self.assertIs(self.ct.active_calltip, self.tip)
|
|
self.text.insert('insert', "\n")
|
|
self.open_close(comment)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(verbosity=2)
|