add jimi-c's unit test for squashed skip results, tweaked is_skipped() logic to pass

lib/ansible/executor/task_result.py

@@ -40,11 +40,16 @@ class TaskResult:
         return self._check_key('changed')
 
     def is_skipped(self):
+        # loop results
         if 'results' in self._result and self._task.loop:
             results = self._result['results']
-            return results and all(isinstance(res, dict) and res.get('skipped', False) for res in results)
-        else:
-            return self._result.get('skipped', False)
+            # Loop tasks are only considered skipped if all items were skipped.
+            # some squashed results (eg, yum) are not dicts and can't be skipped individually
+            if results and all(isinstance(res, dict) and res.get('skipped', False) for res in results):
+                return True
+
+        # regular tasks and squashed non-dict results
+        return self._result.get('skipped', False)
 
     def is_failed(self):
         if 'failed_when_result' in self._result or \

test/units/executor/test_task_result.py

@@ -85,6 +85,15 @@ class TestTaskResult(unittest.TestCase):
         tr = TaskResult(mock_host, mock_task, dict(results=[dict(skipped=True), dict(skipped=True), dict(skipped=True)]))
         self.assertTrue(tr.is_skipped())
 
+        # test with multiple squashed results (list of strings)
+        # first with the main result having skipped=False
+        mock_task.loop = 'foo'
+        tr = TaskResult(mock_host, mock_task, dict(results=["a", "b", "c"], skipped=False))
+        self.assertFalse(tr.is_skipped())
+        # then with the main result having skipped=True
+        tr = TaskResult(mock_host, mock_task, dict(results=["a", "b", "c"], skipped=True))
+        self.assertTrue(tr.is_skipped())
+
     def test_task_result_is_unreachable(self):
         mock_host = MagicMock()
         mock_task = MagicMock()