mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-12-04 00:30:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-91578: improved error message when trying to instantiate an abstract class with missing methods (gh-47246)

Browse source
This commit is contained in:
ravi140222 2022-05-12 20:56:11 +05:30 • committed by GitHub
parent 8a0d9a6bb7
commit 079f0dd719
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 9 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

12
Lib/test/test_abc.py
View file

@ -154,7 +154,7 @@ def test_factory(abc_ABCMeta, abc_get_cache_token):
@abc.abstractmethod
def method_one(self):
pass
msg = r"class C with abstract method method_one"
msg = r"class C without an implementation for abstract method method_one"
self.assertRaisesRegex(TypeError, msg, C)
def test_object_new_with_many_abstractmethods(self):
@ -165,7 +165,7 @@ def test_factory(abc_ABCMeta, abc_get_cache_token):
@abc.abstractmethod
def method_two(self):
pass
msg = r"class C with abstract methods method_one, method_two"
msg = r"class C without an implementation for abstract methods method_one, method_two"
self.assertRaisesRegex(TypeError, msg, C)
def test_abstractmethod_integration(self):
@ -535,7 +535,7 @@ def test_factory(abc_ABCMeta, abc_get_cache_token):
A.foo = updated_foo
abc.update_abstractmethods(A)
self.assertEqual(A.__abstractmethods__, {'foo', 'bar'})
msg = "class A with abstract methods bar, foo"
msg = "class A without an implementation for abstract methods bar, foo"
self.assertRaisesRegex(TypeError, msg, A)
def test_update_implementation(self):
@ -547,7 +547,7 @@ def test_factory(abc_ABCMeta, abc_get_cache_token):
class B(A):
pass
msg = "class B with abstract method foo"
msg = "class B without an implementation for abstract method foo"
self.assertRaisesRegex(TypeError, msg, B)
self.assertEqual(B.__abstractmethods__, {'foo'})
@ -605,7 +605,7 @@ def test_factory(abc_ABCMeta, abc_get_cache_token):
abc.update_abstractmethods(B)
msg = "class B with abstract method foo"
msg = "class B without an implementation for abstract method foo"
self.assertRaisesRegex(TypeError, msg, B)
def test_update_layered_implementation(self):
@ -627,7 +627,7 @@ def test_factory(abc_ABCMeta, abc_get_cache_token):
abc.update_abstractmethods(C)
msg = "class C with abstract method foo"
msg = "class C without an implementation for abstract method foo"
self.assertRaisesRegex(TypeError, msg, C)
def test_update_multi_inheritance(self):