Function preserves_descriptions

src/code_actions/update_docblock.rs:1626–1664

()

    #[test]
    fn preserves_descriptions() {
        let php = r#"<?php
class Foo {
    /**
     * Summary line.
     *
     * @param string $a The first param
     */
    public function bar(string $a, int $b): void {}
}
"#;
        let pos = php.find("@param string").unwrap() as u32;
        let info = find_info(php, pos).unwrap();
        let cl = no_class_loader();
        let updated = build_updated_docblock(
            &info,
            php,
            &[],
            &cl,
            no_function_loader(),
            &HashMap::new(),
            &None,
        );
        assert!(
            updated.contains("The first param"),
            "Should preserve description: {}",
            updated
        );
        assert!(
            updated.contains("$b"),
            "Should add missing param: {}",
            updated
        );
        assert!(
            updated.contains("Summary line"),
            "Should preserve summary: {}",
            updated
        );
    }

    #[test]
    fn removes_extra_param_and_adds_missing() {