How to use test_dataframe_schema_strict_regex method in pandera

Best Python code snippet using pandera_python

test_schemas.py

Source:test_schemas.py Github

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...131 with pytest.raises(errors.SchemaError):132 schema.validate(df.loc[:, ["a"]])133 with pytest.raises(errors.SchemaError):134 schema.validate(df.loc[:, ["a", "c"]])135def test_dataframe_schema_strict_regex() -> None:136 """Test that strict dataframe schema checks for regex matches."""137 schema = DataFrameSchema(138 {"foo_*": Column(int, regex=True)},139 strict=True,140 )141 df = pd.DataFrame({f"foo_{i}": range(10) for i in range(5)})142 assert isinstance(schema.validate(df), pd.DataFrame)143 # Raise a SchemaError if schema is strict and a regex pattern yields144 # no matches145 with pytest.raises(errors.SchemaError):146 schema.validate(147 pd.DataFrame({f"bar_{i}": range(10) for i in range(5)})148 )149def test_dataframe_dtype_coerce():...

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