flesh/tests/test_lib_append.rs

mod append_lib_tests {
    use relish::ast::{eval, lex, SymTable};
    use relish::stdlib::{dynamic_stdlib, static_stdlib};

    #[test]
    fn test_append_to_empty_list() {
        let document = "(append () 1)";
        let result = "(1)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();
        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_multi_append_to_empty_list() {
        let document = "(append () 1 'two' 3.4)";
        let result = "(1 'two' 3.4)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_append_to_full_list() {
        let document = "(append (1 2) 3)";
        let result = "(1 2 3)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_mono_append() {
        let document = "(append)";
        let result = "(<nil>)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_append_no_list() {
        let document = "(append 'test' 1 2 3)";
        let result = "('test' 1 2 3)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_len_empty() {
        let document = "(len ())";
        let result = "0";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_len_normal() {
        let document = "(len (1 2 3))";
        let result = "3";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_car_empty() {
        let document = "(car ())";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .err()
                .unwrap()
                .to_string(),
            "error in call to car: argument is empty".to_string(),
        );
    }

    #[test]
    fn test_car_normal() {
        let document = "(car (1 2 3))";
        let result = "1";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_cdr_empty() {
        let document = "(cdr ())";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .err()
                .unwrap()
                .to_string(),
            "error in call to cdr: argument is empty".to_string(),
        );
    }

    #[test]
    fn test_cdr_normal() {
        let document = "(cdr (1 2 3))";
        let result = "3";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_pop() {
        let document = "(def test '' (pop (1 2 3)))";
        let check1 = "(car test)";
        let result1 = "1";
        let check2 = "(cdr test)";
        let result2 = "(2 3)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();
        eval(&lex(&document.to_string()).unwrap(), &mut syms).unwrap();
        let ch1 = lex(&check1.to_string()).unwrap();
        let ch2 = lex(&check2.to_string()).unwrap();

        assert_eq!(
            *eval(&ch1, &mut syms).unwrap().to_string(),
            result1.to_string(),
        );

        assert_eq!(
            *eval(&ch2, &mut syms).unwrap().to_string(),
            result2.to_string(),
        );
    }

    #[test]
    fn test_pop_mono() {
        let document = "(def test '' (pop (1)))";
        let check1 = "(car test)";
        let result1 = "1";
        let check2 = "(cdr test)";
        let result2 = "(<nil>)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();
        eval(&lex(&document.to_string()).unwrap(), &mut syms).unwrap();
        let ch1 = lex(&check1.to_string()).unwrap();
        let ch2 = lex(&check2.to_string()).unwrap();

        assert_eq!(
            *eval(&ch1, &mut syms).unwrap().to_string(),
            result1.to_string(),
        );

        assert_eq!(
            *eval(&ch2, &mut syms).unwrap().to_string(),
            result2.to_string(),
        );
    }

    #[test]
    fn test_dq() {
        let document = "(def test '' (dq (1 2 3)))";
        let check1 = "(car test)";
        let result1 = "3";
        let check2 = "(cdr test)";
        let result2 = "(1 2)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();
        eval(&lex(&document.to_string()).unwrap(), &mut syms).unwrap();
        let ch1 = lex(&check1.to_string()).unwrap();
        let ch2 = lex(&check2.to_string()).unwrap();

        assert_eq!(
            *eval(&ch1, &mut syms).unwrap().to_string(),
            result1.to_string(),
        );

        assert_eq!(
            *eval(&ch2, &mut syms).unwrap().to_string(),
            result2.to_string(),
        );
    }

    #[test]
    fn test_dq_mono() {
        let document = "(def test '' (dq (1)))";
        let check1 = "(car test)";
        let result1 = "1";
        let check2 = "(cdr test)";
        let result2 = "(<nil>)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();
        eval(&lex(&document.to_string()).unwrap(), &mut syms).unwrap();
        let ch1 = lex(&check1.to_string()).unwrap();
        let ch2 = lex(&check2.to_string()).unwrap();

        assert_eq!(
            *eval(&ch1, &mut syms).unwrap().to_string(),
            result1.to_string(),
        );

        assert_eq!(
            *eval(&ch2, &mut syms).unwrap().to_string(),
            result2.to_string(),
        );
    }

    #[test]
    fn test_reverse() {
        let document = "(reverse ('test' 1 2 3))";
        let result = "(3 2 1 'test')";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_reverse_mono() {
        let document = "(reverse ('test'))";
        let result = "('test')";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }

    #[test]
    fn test_reverse_nil() {
        let document = "(reverse ())";
        let result = "(<nil>)";

        let mut syms = SymTable::new();
        static_stdlib(&mut syms).unwrap();
        dynamic_stdlib(&mut syms).unwrap();

        assert_eq!(
            *eval(&lex(&document.to_string()).unwrap(), &mut syms)
                .unwrap()
                .to_string(),
            result.to_string(),
        );
    }
}