How to use test_dataframe_empty_coerce method in pandera

Best Python code snippet using pandera_python

test_schemas.py

Source:test_schemas.py Github

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...88 schema = DataFrameSchema({"x": Column(int, coerce=True)})89 assert isinstance(schema(pd.DataFrame({"x": [1]})), pd.DataFrame)90 with pytest.raises(errors.SchemaError, match="Error while coercing 'x'"):91 schema(pd.DataFrame({"x": [None]}))92def test_dataframe_empty_coerce() -> None:93 """Test that coercing an empty element dataframe works correctly."""94 schema = DataFrameSchema({"x": Column(int, coerce=True)})95 assert isinstance(schema(pd.DataFrame({"x": []})), pd.DataFrame)96def test_dataframe_schema_equality() -> None:97 """Test DataframeSchema equality."""98 schema = DataFrameSchema({"a": Column(int)})99 assert schema == copy.copy(schema)100 assert schema != "schema"101 assert DataFrameSchema(coerce=True) != DataFrameSchema(coerce=False)102 assert schema != schema.update_column("a", dtype=float)103 assert schema != schema.update_column("a", checks=Check.eq(1))104def test_dataframe_schema_strict() -> None:105 """106 Checks if strict=True whether a schema error is raised because 'a' is...

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