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How to use test_transformer_cycle_detection method in lisa

Best Python code snippet using lisa_python

test_transformer.py

Source:test_transformer.py

...43        transformers = transformer._sort(transformers)44        self.assertEqual("t2", transformers[0].name)45        self.assertEqual("t1", transformers[1].name)46        self.assertEqual("t0", transformers[2].name)47    def test_transformer_cycle_detection(self) -> None:48        # cycle reference and raise exception49        transformers = self._generate_transformers_runbook(3)50        transformers[0].depends_on = ["t1", "t2"]51        transformers[1].depends_on = ["t0"]52        with self.assertRaises(LisaException) as cm:53            transformers = transformer._sort(transformers)54        self.assertEqual(55            "found cycle dependent transformers: 't1' and 't0'", str(cm.exception)56        )57    def test_transformer_keep_all_values(self) -> None:58        # no value is overridden, all values are kept59        transformers = self._generate_transformers_runbook(2)60        runbook_builder = self._generate_runbook_builder(transformers)61        result = transformer._run_transformers(runbook_builder)...

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