How to use test_to_yaml_custom_dataframe_check method in pandera

Best Python code snippet using pandera_python

test_io.py

Source: test_io.py Github

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...515 assert len(loaded.checks) == 1, "global check was stripped"516 with pytest.raises(pandera.errors.SchemaError):517 schema.validate(pd.DataFrame(data={"a": [1]}))518 assert ncols_gt_called, "did not call ncols_gt"519def test_to_yaml_custom_dataframe_check():520 """Tests that writing DataFrameSchema with an unregistered check raises."""521 schema = pandera.DataFrameSchema(522 {523 "a": pandera.Column(524 pandera.Int,525 ),526 },527 checks=[pandera.Check(lambda obj: len(obj.index) > 1)],528 )529 with pytest.warns(UserWarning, match=".*registered checks.*"):530 pandera.io.to_yaml(schema)531 # the unregistered column check case is tested in532 # `test_to_yaml_lambda_check`533def test_to_yaml_bugfix_warn_unregistered_global_checks():...

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