fn test_config_file_roundtrip()

in include/pyo3/pyo3-build-config/src/impl_.rs [2018:2066]

• 44 lines of code
• 1 McCabe index (conditional complexity)

    fn test_config_file_roundtrip() {
        let config = InterpreterConfig {
            abi3: true,
            build_flags: BuildFlags::default(),
            pointer_width: Some(32),
            executable: Some("executable".into()),
            implementation: PythonImplementation::CPython,
            lib_name: Some("lib_name".into()),
            lib_dir: Some("lib_dir".into()),
            shared: true,
            version: MINIMUM_SUPPORTED_VERSION,
            suppress_build_script_link_lines: true,
            extra_build_script_lines: vec!["cargo:test1".to_string(), "cargo:test2".to_string()],
            python_framework_prefix: None,
        };
        let mut buf: Vec<u8> = Vec::new();
        config.to_writer(&mut buf).unwrap();

        assert_eq!(config, InterpreterConfig::from_reader(&*buf).unwrap());

        // And some different options, for variety

        let config = InterpreterConfig {
            abi3: false,
            build_flags: {
                let mut flags = HashSet::new();
                flags.insert(BuildFlag::Py_DEBUG);
                flags.insert(BuildFlag::Other(String::from("Py_SOME_FLAG")));
                BuildFlags(flags)
            },
            pointer_width: None,
            executable: None,
            implementation: PythonImplementation::PyPy,
            lib_dir: None,
            lib_name: None,
            shared: true,
            version: PythonVersion {
                major: 3,
                minor: 10,
            },
            suppress_build_script_link_lines: false,
            extra_build_script_lines: vec![],
            python_framework_prefix: None,
        };
        let mut buf: Vec<u8> = Vec::new();
        config.to_writer(&mut buf).unwrap();

        assert_eq!(config, InterpreterConfig::from_reader(&*buf).unwrap());
    }