forked from Rust-related/RustPython
Update test_exceptions.py from Cpython v3.11.2
This commit is contained in:
Andrey Maltsev
139
Lib/test/test_exceptions.py
vendored
139
Lib/test/test_exceptions.py
vendored
@@ -258,6 +258,8 @@ class ExceptionTests(unittest.TestCase):
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check('def f():\n continue', 2, 3)
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check('def f():\n break', 2, 3)
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check('try:\n pass\nexcept:\n pass\nexcept ValueError:\n pass', 3, 1)
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check('try:\n pass\nexcept*:\n pass', 3, 8)
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check('try:\n pass\nexcept*:\n pass\nexcept* ValueError:\n pass', 3, 8)
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# Errors thrown by tokenizer.c
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check('(0x+1)', 1, 3)
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@@ -555,6 +557,35 @@ class ExceptionTests(unittest.TestCase):
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'pickled "%r", attribute "%s' %
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(e, checkArgName))
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# TODO: RUSTPYTHON
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@unittest.expectedFailure
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def test_notes(self):
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for e in [BaseException(1), Exception(2), ValueError(3)]:
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with self.subTest(e=e):
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self.assertFalse(hasattr(e, '__notes__'))
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e.add_note("My Note")
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self.assertEqual(e.__notes__, ["My Note"])
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with self.assertRaises(TypeError):
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e.add_note(42)
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self.assertEqual(e.__notes__, ["My Note"])
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e.add_note("Your Note")
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self.assertEqual(e.__notes__, ["My Note", "Your Note"])
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del e.__notes__
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self.assertFalse(hasattr(e, '__notes__'))
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e.add_note("Our Note")
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self.assertEqual(e.__notes__, ["Our Note"])
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e.__notes__ = 42
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self.assertEqual(e.__notes__, 42)
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with self.assertRaises(TypeError):
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e.add_note("will not work")
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self.assertEqual(e.__notes__, 42)
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def testWithTraceback(self):
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try:
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raise IndexError(4)
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@@ -1010,20 +1041,20 @@ class ExceptionTests(unittest.TestCase):
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self.fail("should have raised StopIteration")
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self._check_generator_cleanup_exc_state(do_send)
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# def test_3114(self):
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# # Bug #3114: in its destructor, MyObject retrieves a pointer to
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# # obsolete and/or deallocated objects.
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# class MyObject:
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# def __del__(self):
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# nonlocal e
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# e = sys.exc_info()
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# e = ()
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# try:
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# raise Exception(MyObject())
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# except:
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# pass
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# gc_collect() # For PyPy or other GCs.
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# self.assertEqual(e, (None, None, None))
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def test_3114(self):
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# Bug #3114: in its destructor, MyObject retrieves a pointer to
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# obsolete and/or deallocated objects.
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class MyObject:
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def __del__(self):
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nonlocal e
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e = sys.exc_info()
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e = ()
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try:
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raise Exception(MyObject())
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except:
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pass
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gc_collect() # For PyPy or other GCs.
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self.assertEqual(e, (None, None, None))
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def test_raise_does_not_create_context_chain_cycle(self):
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class A(Exception):
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@@ -1173,6 +1204,56 @@ class ExceptionTests(unittest.TestCase):
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self.assertIs(b.__context__, a)
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self.assertIs(a.__context__, c)
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def test_context_of_exception_in_try_and_finally(self):
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try:
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try:
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te = TypeError(1)
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raise te
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finally:
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ve = ValueError(2)
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raise ve
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except Exception as e:
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exc = e
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self.assertIs(exc, ve)
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self.assertIs(exc.__context__, te)
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def test_context_of_exception_in_except_and_finally(self):
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try:
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try:
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te = TypeError(1)
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raise te
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except:
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ve = ValueError(2)
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raise ve
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finally:
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oe = OSError(3)
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raise oe
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except Exception as e:
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exc = e
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self.assertIs(exc, oe)
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self.assertIs(exc.__context__, ve)
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self.assertIs(exc.__context__.__context__, te)
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def test_context_of_exception_in_else_and_finally(self):
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try:
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try:
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pass
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except:
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pass
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else:
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ve = ValueError(1)
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raise ve
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finally:
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oe = OSError(2)
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raise oe
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except Exception as e:
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exc = e
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self.assertIs(exc, oe)
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self.assertIs(exc.__context__, ve)
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# TODO: RUSTPYTHON
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@unittest.expectedFailure
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def test_unicode_change_attributes(self):
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@@ -1410,9 +1491,7 @@ class ExceptionTests(unittest.TestCase):
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"""
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with SuppressCrashReport():
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rc, out, err = script_helper.assert_python_failure("-c", code)
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self.assertIn(b'Fatal Python error: _PyErr_NormalizeException: '
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b'Cannot recover from MemoryErrors while '
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b'normalizing exceptions.', err)
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self.assertIn(b'MemoryError', err)
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@cpython_only
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def test_MemoryError(self):
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@@ -2008,6 +2087,8 @@ class AttributeErrorTests(unittest.TestCase):
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self.assertEqual(exc.name, 'carry')
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self.assertIs(exc.obj, sentinel)
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# TODO: RUSTPYTHON
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@unittest.expectedFailure
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def test_getattr_has_name_and_obj(self):
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class A:
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blech = None
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@@ -2018,6 +2099,11 @@ class AttributeErrorTests(unittest.TestCase):
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except AttributeError as exc:
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self.assertEqual("bluch", exc.name)
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self.assertEqual(obj, exc.obj)
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try:
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object.__getattribute__(obj, "bluch")
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except AttributeError as exc:
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self.assertEqual("bluch", exc.name)
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self.assertEqual(obj, exc.obj)
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def test_getattr_has_name_and_obj_for_method(self):
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class A:
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@@ -2526,6 +2612,23 @@ class SyntaxErrorTests(unittest.TestCase):
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self.assertRaises(TypeError, SyntaxError, "bad bad", args)
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class TestInvalidExceptionMatcher(unittest.TestCase):
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# TODO: RUSTPYTHON
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@unittest.expectedFailure
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def test_except_star_invalid_exception_type(self):
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with self.assertRaises(TypeError):
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try:
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raise ValueError
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except 42:
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pass
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with self.assertRaises(TypeError):
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try:
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raise ValueError
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except (ValueError, 42):
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pass
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class PEP626Tests(unittest.TestCase):
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def lineno_after_raise(self, f, *expected):
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@@ -2628,7 +2731,7 @@ class PEP626Tests(unittest.TestCase):
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def f():
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1/0
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self.lineno_after_raise(f, 1)
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f.__code__ = f.__code__.replace(co_linetable=b'\x04\x80\xff\x80')
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f.__code__ = f.__code__.replace(co_linetable=b'\xf8\xf8\xf8\xf9\xf8\xf8\xf8')
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self.lineno_after_raise(f, None)
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def test_lineno_after_raise_in_with_exit(self):
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