[GitHub] [airflow] kaxil commented on a diff in pull request #26134: Remove `cattrs` from airflow.lineage

[GitBox <gi...@apache.org>]

kaxil commented on code in PR #26134:
URL: https://github.com/apache/airflow/pull/26134#discussion_r962161250


##########
tests/lineage/test_lineage.py:
##########
@@ -118,6 +120,37 @@ def test_lineage_render(self, dag_maker):
         assert op1.inlets[0].url == f1s.format(DEFAULT_DATE)
         assert op1.outlets[0].url == f1s.format(DEFAULT_DATE)
 
+    def test_non_attr_outlet(self, dag_maker):
+        class A:
+            pass
+
+        a = A()
+
+        f3s = "/tmp/does_not_exist_3"
+        file3 = File(f3s)
+
+        with dag_maker(dag_id='test_prepare_lineage'):
+            op1 = EmptyOperator(
+                task_id='leave1',
+                outlets=[a, file3],
+            )
+            op2 = EmptyOperator(task_id='leave2', inlets='auto')
+
+            op1 >> op2
+
+        dag_run = dag_maker.create_dagrun(run_type=DagRunType.SCHEDULED)
+
+        ctx1 = Context({"ti": TI(task=op1, run_id=dag_run.run_id), "ds": DEFAULT_DATE})
+        ctx2 = Context({"ti": TI(task=op2, run_id=dag_run.run_id), "ds": DEFAULT_DATE})
+
+        # prepare with manual inlets and outlets
+        op1.pre_execute(ctx1)
+        op1.post_execute(ctx1)

Review Comment:
   ```suggestion
           op1.pre_execute(ctx1)
           assert op1.outlets == [a, file3]
           op1.post_execute(ctx1)
   ```



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