Additional check for bad decorators

src/xdoctest/directive.py

@@ -675,6 +675,7 @@ def _is_requires_satisfied(arg, argv=None, environ=None):
 
     Example:
         >>> from xdoctest.directive import *  # NOQA
+        >>> from xdoctest.directive import _is_requires_satisfied
         >>> _is_requires_satisfied('PY2', argv=[])
         >>> _is_requires_satisfied('PY3', argv=[])
         >>> _is_requires_satisfied('cpython', argv=[])

tests/test_cases.py

@@ -113,7 +113,7 @@ def test(self, s):
     assert 'running 0 test' in text
 
 
-def test_correct_skipping_on_decorators():
+def test_correct_skipping_on_decorators1():
     """
     This is a weird case similar to the torch dispatch doctest
 
@@ -180,3 +180,46 @@ def dispatch(*types, **kwargs):
             runner.doctest_module(modpath, 'all', argv=[''], config=config)
         print(cap.text)
         assert '1 skipped' in cap.text
+
+
+def test_correct_skipping_on_decorators_simple():
+    """
+    minimal test for decorator skips
+    """
+
+    import xdoctest
+    from xdoctest import runner
+    from os.path import join
+
+    source = utils.codeblock(
+        '''
+        def _my_decorator():
+            """
+            Example:
+                >>> # xdoctest: +SKIP
+                >>> @_my_decorator()
+                ... def my_func(x):
+                ...     ...
+                >>> f(3)
+            """
+            return
+        ''')
+
+    config = {
+        'style': 'google',
+    }
+    temp = utils.TempDir()
+    dpath = temp.ensure()
+    with temp as temp:
+        modpath = join(dpath, 'test_example_run.py')
+
+        with open(modpath, 'w') as file:
+            file.write(source)
+
+        examples = list(xdoctest.core.parse_doctestables(modpath, style='google', analysis='static'))
+        print(f'examples={examples}')
+
+        with utils.CaptureStdout() as cap:
+            runner.doctest_module(modpath, 'all', argv=[''], config=config)
+        print(cap.text)
+        assert '1 skipped' in cap.text