test: Update testcase for autodoc_inherit_docstrings

tests/test_autodoc.py

@@ -454,15 +454,6 @@ def test_get_doc():
     assert getdocl('method', J.foo) == ['Method docstring']
     assert getdocl('function', J().foo) == ['Method docstring']
 
-    from target.inheritance import Base, Derived
-
-    # NOTE: inspect.getdoc seems not to work with locally defined classes
-    directive.env.config.autodoc_inherit_docstrings = False
-    assert getdocl('method', Base.inheritedmeth) == ['Inherited function.']
-    assert getdocl('method', Derived.inheritedmeth) == []
-    directive.env.config.autodoc_inherit_docstrings = True
-    assert getdocl('method', Derived.inheritedmeth) == ['Inherited function.']
-
 
 @pytest.mark.sphinx('html', testroot='ext-autodoc')
 def test_new_documenter(app):

tests/test_ext_autodoc_configs.py

@@ -18,6 +18,30 @@ from test_autodoc import do_autodoc
 IS_PYPY = platform.python_implementation() == 'PyPy'
 
 
+@pytest.mark.sphinx('html', testroot='ext-autodoc')
+def test_autodoc_inherit_docstrings(app):
+    assert app.config.autodoc_inherit_docstrings is True  # default
+    actual = do_autodoc(app, 'method', 'target.inheritance.Derived.inheritedmeth')
+    assert list(actual) == [
+        '',
+        '.. py:method:: Derived.inheritedmeth()',
+        '   :module: target.inheritance',
+        '',
+        '   Inherited function.',
+        '   '
+    ]
+
+    # disable autodoc_inherit_docstrings
+    app.config.autodoc_inherit_docstrings = False
+    actual = do_autodoc(app, 'method', 'target.inheritance.Derived.inheritedmeth')
+    assert list(actual) == [
+        '',
+        '.. py:method:: Derived.inheritedmeth()',
+        '   :module: target.inheritance',
+        ''
+    ]
+
+
 @pytest.mark.sphinx('html', testroot='ext-autodoc')
 def test_autodoc_docstring_signature(app):
     options = {"members": None}