Fix some tests on Python 3.13 RC1 (#14504)

Random little odds and ends that have changed in 3.13 break the tests. I
think this should get the CI working again. :crossed_fingers:

Closes  #14457
Closes  #14458

IPython/core/tests/test_debugger.py

@@ -1,579 +1,592 b''
 """Tests for debugging machinery.
 """
 
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 
 import builtins
 import os
 import sys
 import platform
 
 from tempfile import NamedTemporaryFile
 from textwrap import dedent
 from unittest.mock import patch
 
 from IPython.core import debugger
 from IPython.testing import IPYTHON_TESTING_TIMEOUT_SCALE
 from IPython.testing.decorators import skip_win32
 import pytest
 
 #-----------------------------------------------------------------------------
 # Helper classes, from CPython's Pdb test suite
 #-----------------------------------------------------------------------------
 
 class _FakeInput(object):
     """
     A fake input stream for pdb's interactive debugger.  Whenever a
     line is read, print it (to simulate the user typing it), and then
     return it.  The set of lines to return is specified in the
     constructor; they should not have trailing newlines.
     """
     def __init__(self, lines):
         self.lines = iter(lines)
 
     def readline(self):
         line = next(self.lines)
         print(line)
         return line+'\n'
 
 class PdbTestInput(object):
     """Context manager that makes testing Pdb in doctests easier."""
 
     def __init__(self, input):
         self.input = input
 
     def __enter__(self):
         self.real_stdin = sys.stdin
         sys.stdin = _FakeInput(self.input)
 
     def __exit__(self, *exc):
         sys.stdin = self.real_stdin
 
 #-----------------------------------------------------------------------------
 # Tests
 #-----------------------------------------------------------------------------
 
 def test_ipdb_magics():
     '''Test calling some IPython magics from ipdb.
 
     First, set up some test functions and classes which we can inspect.
 
-    >>> class ExampleClass(object):
-    ...    """Docstring for ExampleClass."""
-    ...    def __init__(self):
-    ...        """Docstring for ExampleClass.__init__"""
-    ...        pass
-    ...    def __str__(self):
-    ...        return "ExampleClass()"
-
-    >>> def example_function(x, y, z="hello"):
-    ...     """Docstring for example_function."""
-    ...     pass
+    In [1]: class ExampleClass(object):
+       ...:    """Docstring for ExampleClass."""
+       ...:    def __init__(self):
+       ...:        """Docstring for ExampleClass.__init__"""
+       ...:        pass
+       ...:    def __str__(self):
+       ...:        return "ExampleClass()"
 
-    >>> old_trace = sys.gettrace()
+    In [2]: def example_function(x, y, z="hello"):
+       ...:     """Docstring for example_function."""
+       ...:     pass
 
-    Create a function which triggers ipdb.
+    In [3]: old_trace = sys.gettrace()
 
-    >>> def trigger_ipdb():
-    ...    a = ExampleClass()
-    ...    debugger.Pdb().set_trace()
+    Create a function which triggers ipdb.
 
-    >>> with PdbTestInput([
-    ...    'pdef example_function',
-    ...    'pdoc ExampleClass',
-    ...    'up',
-    ...    'down',
-    ...    'list',
-    ...    'pinfo a',
-    ...    'll',
-    ...    'continue',
-    ... ]):
-    ...     trigger_ipdb()
-    --Return--
-    None
-    > <doctest ...>(3)trigger_ipdb()
+    In [4]: def trigger_ipdb():
+       ...:    a = ExampleClass()
+       ...:    debugger.Pdb().set_trace()
+
+    Run ipdb with faked input & check output. Because of a difference between
+    Python 3.13 & older versions, the first bit of the output is inconsistent.
+    We need to use ... to accommodate that, so the examples have to use IPython
+    prompts so that ... is distinct from the Python PS2 prompt.
+
+    In [5]: with PdbTestInput([
+       ...:    'pdef example_function',
+       ...:    'pdoc ExampleClass',
+       ...:    'up',
+       ...:    'down',
+       ...:    'list',
+       ...:    'pinfo a',
+       ...:    'll',
+       ...:    'continue',
+       ...: ]):
+       ...:     trigger_ipdb()
+    ...> <doctest ...>(3)trigger_ipdb()
           1 def trigger_ipdb():
           2    a = ExampleClass()
     ----> 3    debugger.Pdb().set_trace()
     <BLANKLINE>
     ipdb> pdef example_function
      example_function(x, y, z='hello')
      ipdb> pdoc ExampleClass
     Class docstring:
         Docstring for ExampleClass.
     Init docstring:
         Docstring for ExampleClass.__init__
     ipdb> up
     > <doctest ...>(11)<module>()
           7    'pinfo a',
           8    'll',
           9    'continue',
          10 ]):
     ---> 11     trigger_ipdb()
     <BLANKLINE>
-    ipdb> down
-    None
+    ipdb> down...
     > <doctest ...>(3)trigger_ipdb()
           1 def trigger_ipdb():
           2    a = ExampleClass()
     ----> 3    debugger.Pdb().set_trace()
     <BLANKLINE>
     ipdb> list
           1 def trigger_ipdb():
           2    a = ExampleClass()
     ----> 3    debugger.Pdb().set_trace()
     <BLANKLINE>
     ipdb> pinfo a
     Type:           ExampleClass
     String form:    ExampleClass()
     Namespace:      Local...
     Docstring:      Docstring for ExampleClass.
     Init docstring: Docstring for ExampleClass.__init__
     ipdb> ll
           1 def trigger_ipdb():
           2    a = ExampleClass()
     ----> 3    debugger.Pdb().set_trace()
     <BLANKLINE>
     ipdb> continue
-    
-    Restore previous trace function, e.g. for coverage.py    
-    
-    >>> sys.settrace(old_trace)
+
+    Restore previous trace function, e.g. for coverage.py
+
+    In [6]: sys.settrace(old_trace)
     '''
 
 def test_ipdb_magics2():
     '''Test ipdb with a very short function.
     
     >>> old_trace = sys.gettrace()
 
     >>> def bar():
     ...     pass
 
     Run ipdb.
 
     >>> with PdbTestInput([
     ...    'continue',
     ... ]):
     ...     debugger.Pdb().runcall(bar)
     > <doctest ...>(2)bar()
           1 def bar():
     ----> 2    pass
     <BLANKLINE>
     ipdb> continue
     
     Restore previous trace function, e.g. for coverage.py    
     
     >>> sys.settrace(old_trace)
     '''
 
 def can_quit():
     '''Test that quit work in ipydb
 
     >>> old_trace = sys.gettrace()
 
     >>> def bar():
     ...     pass
 
     >>> with PdbTestInput([
     ...    'quit',
     ... ]):
     ...     debugger.Pdb().runcall(bar)
     > <doctest ...>(2)bar()
             1 def bar():
     ----> 2    pass
     <BLANKLINE>
     ipdb> quit
 
     Restore previous trace function, e.g. for coverage.py
 
     >>> sys.settrace(old_trace)
     '''
 
 
 def can_exit():
     '''Test that quit work in ipydb
 
     >>> old_trace = sys.gettrace()
 
     >>> def bar():
     ...     pass
 
     >>> with PdbTestInput([
     ...    'exit',
     ... ]):
     ...     debugger.Pdb().runcall(bar)
     > <doctest ...>(2)bar()
             1 def bar():
     ----> 2    pass
     <BLANKLINE>
     ipdb> exit
 
     Restore previous trace function, e.g. for coverage.py
 
     >>> sys.settrace(old_trace)
     '''
 
 
 def test_interruptible_core_debugger():
     """The debugger can be interrupted.
 
     The presumption is there is some mechanism that causes a KeyboardInterrupt
     (this is implemented in ipykernel).  We want to ensure the
     KeyboardInterrupt cause debugging to cease.
     """
     def raising_input(msg="", called=[0]):
         called[0] += 1
         assert called[0] == 1, "input() should only be called once!"
         raise KeyboardInterrupt()
 
     tracer_orig = sys.gettrace()
     try:
         with patch.object(builtins, "input", raising_input):
             debugger.InterruptiblePdb().set_trace()
             # The way this test will fail is by set_trace() never exiting,
             # resulting in a timeout by the test runner. The alternative
             # implementation would involve a subprocess, but that adds issues
             # with interrupting subprocesses that are rather complex, so it's
             # simpler just to do it this way.
     finally:
         # restore the original trace function
         sys.settrace(tracer_orig)
 
 
 @skip_win32
 def test_xmode_skip():
     """that xmode skip frames
 
     Not as a doctest as pytest does not run doctests.
     """
     import pexpect
     env = os.environ.copy()
     env["IPY_TEST_SIMPLE_PROMPT"] = "1"
 
     child = pexpect.spawn(
         sys.executable, ["-m", "IPython", "--colors=nocolor"], env=env
     )
     child.timeout = 15 * IPYTHON_TESTING_TIMEOUT_SCALE
 
     child.expect("IPython")
     child.expect("\n")
     child.expect_exact("In [1]")
 
     block = dedent(
         """
     def f():
         __tracebackhide__ = True
         g()
 
     def g():
         raise ValueError
 
     f()
     """
     )
 
     for line in block.splitlines():
         child.sendline(line)
         child.expect_exact(line)
     child.expect_exact("skipping")
 
     block = dedent(
         """
     def f():
         __tracebackhide__ = True
         g()
 
     def g():
         from IPython.core.debugger import set_trace
         set_trace()
 
     f()
     """
     )
 
     for line in block.splitlines():
         child.sendline(line)
         child.expect_exact(line)
 
     child.expect("ipdb>")
     child.sendline("w")
     child.expect("hidden")
     child.expect("ipdb>")
     child.sendline("skip_hidden false")
     child.sendline("w")
     child.expect("__traceba")
     child.expect("ipdb>")
 
     child.close()
 
 
 skip_decorators_blocks = (
     """
     def helpers_helper():
         pass # should not stop here except breakpoint
     """,
     """
     def helper_1():
         helpers_helper() # should not stop here
     """,
     """
     def helper_2():
         pass # should not stop here
     """,
     """
     def pdb_skipped_decorator2(function):
         def wrapped_fn(*args, **kwargs):
             __debuggerskip__ = True
             helper_2()
             __debuggerskip__ = False
             result = function(*args, **kwargs)
             __debuggerskip__ = True
             helper_2()
             return result
         return wrapped_fn
     """,
     """
     def pdb_skipped_decorator(function):
         def wrapped_fn(*args, **kwargs):
             __debuggerskip__ = True
             helper_1()
             __debuggerskip__ = False
             result = function(*args, **kwargs)
             __debuggerskip__ = True
             helper_2()
             return result
         return wrapped_fn
     """,
     """
     @pdb_skipped_decorator
     @pdb_skipped_decorator2
     def bar(x, y):
         return x * y
     """,
     """import IPython.terminal.debugger as ipdb""",
     """
     def f():
         ipdb.set_trace()
         bar(3, 4)
     """,
     """
     f()
     """,
 )
 
 
 def _decorator_skip_setup():
     import pexpect
 
     env = os.environ.copy()
     env["IPY_TEST_SIMPLE_PROMPT"] = "1"
     env["PROMPT_TOOLKIT_NO_CPR"] = "1"
 
     child = pexpect.spawn(
         sys.executable, ["-m", "IPython", "--colors=nocolor"], env=env
     )
     child.timeout = 15 * IPYTHON_TESTING_TIMEOUT_SCALE
 
     child.expect("IPython")
     child.expect("\n")
 
     child.timeout = 5 * IPYTHON_TESTING_TIMEOUT_SCALE
     child.str_last_chars = 500
 
     dedented_blocks = [dedent(b).strip() for b in skip_decorators_blocks]
     in_prompt_number = 1
     for cblock in dedented_blocks:
         child.expect_exact(f"In [{in_prompt_number}]:")
         in_prompt_number += 1
         for line in cblock.splitlines():
             child.sendline(line)
             child.expect_exact(line)
         child.sendline("")
     return child
 
 
 @pytest.mark.skip(reason="recently fail for unknown reason on CI")
 @skip_win32
 def test_decorator_skip():
     """test that decorator frames can be skipped."""
 
     child = _decorator_skip_setup()
 
     child.expect_exact("ipython-input-8")
     child.expect_exact("3     bar(3, 4)")
     child.expect("ipdb>")
 
     child.expect("ipdb>")
     child.sendline("step")
     child.expect_exact("step")
     child.expect_exact("--Call--")
     child.expect_exact("ipython-input-6")
 
     child.expect_exact("1 @pdb_skipped_decorator")
 
     child.sendline("s")
     child.expect_exact("return x * y")
 
     child.close()
 
 
 @pytest.mark.skip(reason="recently fail for unknown reason on CI")
 @pytest.mark.skipif(platform.python_implementation() == "PyPy", reason="issues on PyPy")
 @skip_win32
 def test_decorator_skip_disabled():
     """test that decorator frame skipping can be disabled"""
 
     child = _decorator_skip_setup()
 
     child.expect_exact("3     bar(3, 4)")
 
     for input_, expected in [
         ("skip_predicates debuggerskip False", ""),
         ("skip_predicates", "debuggerskip : False"),
         ("step", "---> 2     def wrapped_fn"),
         ("step", "----> 3         __debuggerskip__"),
         ("step", "----> 4         helper_1()"),
         ("step", "---> 1 def helper_1():"),
         ("next", "----> 2     helpers_helper()"),
         ("next", "--Return--"),
         ("next", "----> 5         __debuggerskip__ = False"),
     ]:
         child.expect("ipdb>")
         child.sendline(input_)
         child.expect_exact(input_)
         child.expect_exact(expected)
 
     child.close()
 
 
 @pytest.mark.xfail(
     sys.version_info.releaselevel not in ("final", "candidate"),
     reason="fails on 3.13.dev",
     strict=True,
 )
 @pytest.mark.skipif(platform.python_implementation() == "PyPy", reason="issues on PyPy")
 @skip_win32
 def test_decorator_skip_with_breakpoint():
     """test that decorator frame skipping can be disabled"""
 
     import pexpect
 
     env = os.environ.copy()
     env["IPY_TEST_SIMPLE_PROMPT"] = "1"
     env["PROMPT_TOOLKIT_NO_CPR"] = "1"
 
     child = pexpect.spawn(
         sys.executable, ["-m", "IPython", "--colors=nocolor"], env=env
     )
     child.timeout = 15 * IPYTHON_TESTING_TIMEOUT_SCALE
     child.str_last_chars = 500
 
     child.expect("IPython")
     child.expect("\n")
 
     child.timeout = 5 * IPYTHON_TESTING_TIMEOUT_SCALE
 
     ### we need a filename, so we need to exec the full block with a filename
     with NamedTemporaryFile(suffix=".py", dir=".", delete=True) as tf:
         name = tf.name[:-3].split("/")[-1]
         tf.write("\n".join([dedent(x) for x in skip_decorators_blocks[:-1]]).encode())
         tf.flush()
         codeblock = f"from {name} import f"
 
         dedented_blocks = [
             codeblock,
             "f()",
         ]
 
         in_prompt_number = 1
         for cblock in dedented_blocks:
             child.expect_exact(f"In [{in_prompt_number}]:")
             in_prompt_number += 1
             for line in cblock.splitlines():
                 child.sendline(line)
                 child.expect_exact(line)
             child.sendline("")
 
-        # as the filename does not exists, we'll rely on the filename prompt
-        child.expect_exact("47     bar(3, 4)")
-
-        for input_, expected in [
-            (f"b {name}.py:3", ""),
-            ("step", "1---> 3     pass # should not stop here except"),
-            ("step", "---> 38 @pdb_skipped_decorator"),
-            ("continue", ""),
-        ]:
+        # From 3.13, set_trace()/breakpoint() stop on the line where they're
+        # called, instead of the next line.
+        if sys.version_info >= (3, 13):
+            child.expect_exact("--> 46     ipdb.set_trace()")
+            extra_step = [("step", "--> 47     bar(3, 4)")]
+        else:
+            child.expect_exact("--> 47     bar(3, 4)")
+            extra_step = []
+
+        for input_, expected in (
+            [
+                (f"b {name}.py:3", ""),
+            ]
+            + extra_step
+            + [
+                ("step", "1---> 3     pass # should not stop here except"),
+                ("step", "---> 38 @pdb_skipped_decorator"),
+                ("continue", ""),
+            ]
+        ):
             child.expect("ipdb>")
             child.sendline(input_)
             child.expect_exact(input_)
             child.expect_exact(expected)
 
     child.close()
 
 
 @skip_win32
 def test_where_erase_value():
     """Test that `where` does not access f_locals and erase values."""
     import pexpect
 
     env = os.environ.copy()
     env["IPY_TEST_SIMPLE_PROMPT"] = "1"
 
     child = pexpect.spawn(
         sys.executable, ["-m", "IPython", "--colors=nocolor"], env=env
     )
     child.timeout = 15 * IPYTHON_TESTING_TIMEOUT_SCALE
 
     child.expect("IPython")
     child.expect("\n")
     child.expect_exact("In [1]")
 
     block = dedent(
         """
     def simple_f():
          myvar = 1
          print(myvar)
          1/0
          print(myvar)
     simple_f()    """
     )
 
     for line in block.splitlines():
         child.sendline(line)
         child.expect_exact(line)
     child.expect_exact("ZeroDivisionError")
     child.expect_exact("In [2]:")
 
     child.sendline("%debug")
 
     ##
     child.expect("ipdb>")
 
     child.sendline("myvar")
     child.expect("1")
 
     ##
     child.expect("ipdb>")
 
     child.sendline("myvar = 2")
 
     ##
     child.expect_exact("ipdb>")
 
     child.sendline("myvar")
 
     child.expect_exact("2")
 
     ##
     child.expect("ipdb>")
     child.sendline("where")
 
     ##
     child.expect("ipdb>")
     child.sendline("myvar")
 
     child.expect_exact("2")
     child.expect("ipdb>")
 
     child.close()

IPython/core/tests/test_oinspect.py

@@ -1,589 +1,589 b''
 """Tests for the object inspection functionality.
 """
 
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 
 
 from contextlib import contextmanager
 from inspect import signature, Signature, Parameter
 import inspect
 import os
 import pytest
 import re
 import sys
 
 from .. import oinspect
 
 from decorator import decorator
 
 from IPython.testing.tools import AssertPrints, AssertNotPrints
 from IPython.utils.path import compress_user
 
 
 #-----------------------------------------------------------------------------
 # Globals and constants
 #-----------------------------------------------------------------------------
 
 inspector = None
 
 def setup_module():
     global inspector
     inspector = oinspect.Inspector()
 
 
 class SourceModuleMainTest:
     __module__ = "__main__"
 
 
 #-----------------------------------------------------------------------------
 # Local utilities
 #-----------------------------------------------------------------------------
 
 # WARNING: since this test checks the line number where a function is
 # defined, if any code is inserted above, the following line will need to be
 # updated.  Do NOT insert any whitespace between the next line and the function
 # definition below.
 THIS_LINE_NUMBER = 47  # Put here the actual number of this line
 
 
 def test_find_source_lines():
     assert oinspect.find_source_lines(test_find_source_lines) == THIS_LINE_NUMBER + 3
     assert oinspect.find_source_lines(type) is None
     assert oinspect.find_source_lines(SourceModuleMainTest) is None
     assert oinspect.find_source_lines(SourceModuleMainTest()) is None
 
 
 def test_getsource():
     assert oinspect.getsource(type) is None
     assert oinspect.getsource(SourceModuleMainTest) is None
     assert oinspect.getsource(SourceModuleMainTest()) is None
 
 
 def test_inspect_getfile_raises_exception():
     """Check oinspect.find_file/getsource/find_source_lines expectations"""
     with pytest.raises(TypeError):
         inspect.getfile(type)
     with pytest.raises(OSError):
         inspect.getfile(SourceModuleMainTest)
 
 
 # A couple of utilities to ensure these tests work the same from a source or a
 # binary install
 def pyfile(fname):
     return os.path.normcase(re.sub('.py[co]$', '.py', fname))
 
 
 def match_pyfiles(f1, f2):
     assert pyfile(f1) == pyfile(f2)
 
 
 def test_find_file():
     match_pyfiles(oinspect.find_file(test_find_file), os.path.abspath(__file__))
     assert oinspect.find_file(type) is None
     assert oinspect.find_file(SourceModuleMainTest) is None
     assert oinspect.find_file(SourceModuleMainTest()) is None
 
 
 def test_find_file_decorated1():
 
     @decorator
     def noop1(f):
         def wrapper(*a, **kw):
             return f(*a, **kw)
         return wrapper
 
     @noop1
     def f(x):
         "My docstring"
 
     match_pyfiles(oinspect.find_file(f), os.path.abspath(__file__))
     assert f.__doc__ == "My docstring"
 
 
 def test_find_file_decorated2():
 
     @decorator
     def noop2(f, *a, **kw):
         return f(*a, **kw)
 
     @noop2
     @noop2
     @noop2
     def f(x):
         "My docstring 2"
 
     match_pyfiles(oinspect.find_file(f), os.path.abspath(__file__))
     assert f.__doc__ == "My docstring 2"
 
 
 def test_find_file_magic():
     run = ip.find_line_magic('run')
     assert oinspect.find_file(run) is not None
 
 
 # A few generic objects we can then inspect in the tests below
 
 class Call(object):
     """This is the class docstring."""
 
     def __init__(self, x, y=1):
         """This is the constructor docstring."""
 
     def __call__(self, *a, **kw):
         """This is the call docstring."""
 
     def method(self, x, z=2):
         """Some method's docstring"""
 
 class HasSignature(object):
     """This is the class docstring."""
     __signature__ = Signature([Parameter('test', Parameter.POSITIONAL_OR_KEYWORD)])
 
     def __init__(self, *args):
         """This is the init docstring"""
 
 
 class SimpleClass(object):
     def method(self, x, z=2):
         """Some method's docstring"""
 
 
 class Awkward(object):
     def __getattr__(self, name):
         raise Exception(name)
 
 class NoBoolCall:
     """
     callable with `__bool__` raising should still be inspect-able.
     """
 
     def __call__(self):
         """does nothing"""
         pass
 
     def __bool__(self):
         """just raise NotImplemented"""
         raise NotImplementedError('Must be implemented')
 
 
 class SerialLiar(object):
     """Attribute accesses always get another copy of the same class.
 
     unittest.mock.call does something similar, but it's not ideal for testing
     as the failure mode is to eat all your RAM. This gives up after 10k levels.
     """
     def __init__(self, max_fibbing_twig, lies_told=0):
         if lies_told > 10000:
             raise RuntimeError('Nose too long, honesty is the best policy')
         self.max_fibbing_twig = max_fibbing_twig
         self.lies_told = lies_told
         max_fibbing_twig[0] = max(max_fibbing_twig[0], lies_told)
 
     def __getattr__(self, item):
         return SerialLiar(self.max_fibbing_twig, self.lies_told + 1)
 
 #-----------------------------------------------------------------------------
 # Tests
 #-----------------------------------------------------------------------------
 
 def test_info():
     "Check that Inspector.info fills out various fields as expected."
     i = inspector.info(Call, oname="Call")
     assert i["type_name"] == "type"
     expected_class = str(type(type))  # <class 'type'> (Python 3) or <type 'type'>
     assert i["base_class"] == expected_class
     assert re.search(
         "<class 'IPython.core.tests.test_oinspect.Call'( at 0x[0-9a-f]{1,9})?>",
         i["string_form"],
     )
     fname = __file__
     if fname.endswith(".pyc"):
         fname = fname[:-1]
     # case-insensitive comparison needed on some filesystems
     # e.g. Windows:
     assert i["file"].lower() == compress_user(fname).lower()
     assert i["definition"] == None
     assert i["docstring"] == Call.__doc__
     assert i["source"] == None
     assert i["isclass"] is True
     assert i["init_definition"] == "Call(x, y=1)"
     assert i["init_docstring"] == Call.__init__.__doc__
 
     i = inspector.info(Call, detail_level=1)
     assert i["source"] is not None
     assert i["docstring"] == None
 
     c = Call(1)
     c.__doc__ = "Modified instance docstring"
     i = inspector.info(c)
     assert i["type_name"] == "Call"
     assert i["docstring"] == "Modified instance docstring"
     assert i["class_docstring"] == Call.__doc__
     assert i["init_docstring"] == Call.__init__.__doc__
     assert i["call_docstring"] == Call.__call__.__doc__
 
 
 def test_class_signature():
     info = inspector.info(HasSignature, "HasSignature")
     assert info["init_definition"] == "HasSignature(test)"
     assert info["init_docstring"] == HasSignature.__init__.__doc__
 
 
 def test_info_awkward():
     # Just test that this doesn't throw an error.
     inspector.info(Awkward())
 
 def test_bool_raise():
     inspector.info(NoBoolCall())
 
 def test_info_serialliar():
     fib_tracker = [0]
     inspector.info(SerialLiar(fib_tracker))
 
     # Nested attribute access should be cut off at 100 levels deep to avoid
     # infinite loops: https://github.com/ipython/ipython/issues/9122
     assert fib_tracker[0] < 9000
 
 def support_function_one(x, y=2, *a, **kw):
     """A simple function."""
 
 def test_calldef_none():
     # We should ignore __call__ for all of these.
     for obj in [support_function_one, SimpleClass().method, any, str.upper]:
         i = inspector.info(obj)
         assert i["call_def"] is None
 
 
 def f_kwarg(pos, *, kwonly):
     pass
 
 def test_definition_kwonlyargs():
     i = inspector.info(f_kwarg, oname="f_kwarg")  # analysis:ignore
     assert i["definition"] == "f_kwarg(pos, *, kwonly)"
 
 
 def test_getdoc():
     class A(object):
         """standard docstring"""
         pass
 
     class B(object):
         """standard docstring"""
         def getdoc(self):
             return "custom docstring"
 
     class C(object):
         """standard docstring"""
         def getdoc(self):
             return None
 
     a = A()
     b = B()
     c = C()
 
     assert oinspect.getdoc(a) == "standard docstring"
     assert oinspect.getdoc(b) == "custom docstring"
     assert oinspect.getdoc(c) == "standard docstring"
 
 
 def test_empty_property_has_no_source():
     i = inspector.info(property(), detail_level=1)
     assert i["source"] is None
 
 
 def test_property_sources():
     # A simple adder whose source and signature stays
     # the same across Python distributions
     def simple_add(a, b):
         "Adds two numbers"
         return a + b
 
     class A(object):
         @property
         def foo(self):
             return 'bar'
 
         foo = foo.setter(lambda self, v: setattr(self, 'bar', v))
 
         dname = property(oinspect.getdoc)
         adder = property(simple_add)
 
     i = inspector.info(A.foo, detail_level=1)
     assert "def foo(self):" in i["source"]
     assert "lambda self, v:" in i["source"]
 
     i = inspector.info(A.dname, detail_level=1)
     assert "def getdoc(obj)" in i["source"]
 
     i = inspector.info(A.adder, detail_level=1)
     assert "def simple_add(a, b)" in i["source"]
 
 
 def test_property_docstring_is_in_info_for_detail_level_0():
     class A(object):
         @property
         def foobar(self):
             """This is `foobar` property."""
             pass
 
     ip.user_ns["a_obj"] = A()
     assert (
         "This is `foobar` property."
         == ip.object_inspect("a_obj.foobar", detail_level=0)["docstring"]
     )
 
     ip.user_ns["a_cls"] = A
     assert (
         "This is `foobar` property."
         == ip.object_inspect("a_cls.foobar", detail_level=0)["docstring"]
     )
 
 
 def test_pdef():
     # See gh-1914
     def foo(): pass
     inspector.pdef(foo, 'foo')
 
 
 @contextmanager
 def cleanup_user_ns(**kwargs):
     """
     On exit delete all the keys that were not in user_ns before entering.
 
     It does not restore old values !
 
     Parameters
     ----------
 
     **kwargs
         used to update ip.user_ns
 
     """
     try:
         known = set(ip.user_ns.keys())
         ip.user_ns.update(kwargs)
         yield
     finally:
         added = set(ip.user_ns.keys()) - known
         for k in added:
             del ip.user_ns[k]
 
 
 def test_pinfo_bool_raise():
     """
     Test that bool method is not called on parent.
     """
 
     class RaiseBool:
         attr = None
 
         def __bool__(self):
             raise ValueError("pinfo should not access this method")
 
     raise_bool = RaiseBool()
 
     with cleanup_user_ns(raise_bool=raise_bool):
         ip._inspect("pinfo", "raise_bool.attr", detail_level=0)
 
 
 def test_pinfo_getindex():
     def dummy():
         """
         MARKER
         """
 
     container = [dummy]
     with cleanup_user_ns(container=container):
         with AssertPrints("MARKER"):
             ip._inspect("pinfo", "container[0]", detail_level=0)
     assert "container" not in ip.user_ns.keys()
 
 
 def test_qmark_getindex():
     def dummy():
         """
         MARKER 2
         """
 
     container = [dummy]
     with cleanup_user_ns(container=container):
         with AssertPrints("MARKER 2"):
             ip.run_cell("container[0]?")
     assert "container" not in ip.user_ns.keys()
 
 
 def test_qmark_getindex_negatif():
     def dummy():
         """
         MARKER 3
         """
 
     container = [dummy]
     with cleanup_user_ns(container=container):
         with AssertPrints("MARKER 3"):
             ip.run_cell("container[-1]?")
     assert "container" not in ip.user_ns.keys()
 
 
 
 def test_pinfo_nonascii():
     # See gh-1177
     from . import nonascii2
     ip.user_ns['nonascii2'] = nonascii2
     ip._inspect('pinfo', 'nonascii2', detail_level=1)
 
 def test_pinfo_type():
     """
     type can fail in various edge case, for example `type.__subclass__()`
     """
     ip._inspect('pinfo', 'type')
 
 
 def test_pinfo_docstring_no_source():
     """Docstring should be included with detail_level=1 if there is no source"""
     with AssertPrints('Docstring:'):
         ip._inspect('pinfo', 'str.format', detail_level=0)
     with AssertPrints('Docstring:'):
         ip._inspect('pinfo', 'str.format', detail_level=1)
 
 
 def test_pinfo_no_docstring_if_source():
     """Docstring should not be included with detail_level=1 if source is found"""
     def foo():
         """foo has a docstring"""
 
     ip.user_ns['foo'] = foo
 
     with AssertPrints('Docstring:'):
         ip._inspect('pinfo', 'foo', detail_level=0)
     with AssertPrints('Source:'):
         ip._inspect('pinfo', 'foo', detail_level=1)
     with AssertNotPrints('Docstring:'):
         ip._inspect('pinfo', 'foo', detail_level=1)
 
 
 def test_pinfo_docstring_if_detail_and_no_source():
     """ Docstring should be displayed if source info not available """
     obj_def = '''class Foo(object):
                   """ This is a docstring for Foo """
                   def bar(self):
                       """ This is a docstring for Foo.bar """
                       pass
               '''
 
     ip.run_cell(obj_def)
     ip.run_cell('foo = Foo()')
 
     with AssertNotPrints("Source:"):
         with AssertPrints('Docstring:'):
             ip._inspect('pinfo', 'foo', detail_level=0)
         with AssertPrints('Docstring:'):
             ip._inspect('pinfo', 'foo', detail_level=1)
         with AssertPrints('Docstring:'):
             ip._inspect('pinfo', 'foo.bar', detail_level=0)
 
     with AssertNotPrints('Docstring:'):
         with AssertPrints('Source:'):
             ip._inspect('pinfo', 'foo.bar', detail_level=1)
 
 
 @pytest.mark.xfail(
     sys.version_info.releaselevel not in ("final", "candidate"),
     reason="fails on 3.13.dev",
     strict=True,
 )
 def test_pinfo_docstring_dynamic(capsys):
     obj_def = """class Bar:
     __custom_documentations__ = {
      "prop" : "cdoc for prop",
      "non_exist" : "cdoc for non_exist",
     }
     @property
     def prop(self):
         '''
         Docstring for prop
         '''
         return self._prop
     
     @prop.setter
     def prop(self, v):
         self._prop = v
     """
     ip.run_cell(obj_def)
 
     ip.run_cell("b = Bar()")
 
     ip.run_line_magic("pinfo", "b.prop")
     captured = capsys.readouterr()
-    assert "Docstring:   cdoc for prop" in captured.out
+    assert re.search(r"Docstring:\s+cdoc for prop", captured.out)
 
     ip.run_line_magic("pinfo", "b.non_exist")
     captured = capsys.readouterr()
-    assert "Docstring:   cdoc for non_exist" in captured.out
+    assert re.search(r"Docstring:\s+cdoc for non_exist", captured.out)
 
     ip.run_cell("b.prop?")
     captured = capsys.readouterr()
-    assert "Docstring:   cdoc for prop" in captured.out
+    assert re.search(r"Docstring:\s+cdoc for prop", captured.out)
 
     ip.run_cell("b.non_exist?")
     captured = capsys.readouterr()
-    assert "Docstring:   cdoc for non_exist" in captured.out
+    assert re.search(r"Docstring:\s+cdoc for non_exist", captured.out)
 
     ip.run_cell("b.undefined?")
     captured = capsys.readouterr()
-    assert "Docstring:   <no docstring>" in captured.out
+    assert re.search(r"Type:\s+NoneType", captured.out)
 
 
 def test_pinfo_magic():
     with AssertPrints("Docstring:"):
         ip._inspect("pinfo", "lsmagic", detail_level=0)
 
     with AssertPrints("Source:"):
         ip._inspect("pinfo", "lsmagic", detail_level=1)
 
 
 def test_init_colors():
     # ensure colors are not present in signature info
     info = inspector.info(HasSignature)
     init_def = info["init_definition"]
     assert "[0m" not in init_def
 
 
 def test_builtin_init():
     info = inspector.info(list)
     init_def = info['init_definition']
     assert init_def is not None
 
 
 def test_render_signature_short():
     def short_fun(a=1): pass
     sig = oinspect._render_signature(
         signature(short_fun),
         short_fun.__name__,
     )
     assert sig == "short_fun(a=1)"
 
 
 def test_render_signature_long():
     from typing import Optional
 
     def long_function(
         a_really_long_parameter: int,
         and_another_long_one: bool = False,
         let_us_make_sure_this_is_looong: Optional[str] = None,
     ) -> bool: pass
 
     sig = oinspect._render_signature(
         signature(long_function),
         long_function.__name__,
     )
     expected = """\
 long_function(
     a_really_long_parameter: int,
     and_another_long_one: bool = False,
     let_us_make_sure_this_is_looong: Optional[str] = None,
 ) -> bool\
 """
 
     assert sig == expected