extern crate modelthing;

use std::path::Path;

use modelthing::*;


#[test]
fn test_parse_metadata() {
    let raw =
r#"
[model]
name-en = "Bogus Dummy Model"
[variables]
"#.to_string();
    assert_eq!(parse_metadata(raw).unwrap(),
        ModelMetadata {
            name_en: "Bogus Dummy Model".to_string(),
            description_en: None,
            vars: vec![],
        });
}

#[test]
fn test_load_model_entry() {
    load_model_entry(Path::new("./examples/classic_gravitation/")).unwrap();
}

#[test]
fn test_search_models() {
    assert_eq!(search_models(Path::new("./examples/")).len() > 1, true);
}

#[test]
fn test_lexical() {
    assert_eq!(&format!("{:?}", modelica_parser::parse_integer("+123").unwrap()),
               "123");
    assert_eq!(&format!("{:?}", modelica_parser::parse_integer("-9").unwrap()),
               "-9");
    assert_eq!(&format!("{:?}", modelica_parser::parse_float("-1.0e0").unwrap()),
               "-1");
    assert_eq!(&format!("{:?}", modelica_parser::parse_float("123.456").unwrap()),
               "123.456");
}

#[test]
fn test_parse() {
    let example1 =
r#"model MinimalModel
  Real x;
equation
  x = 1;
end MinimalModel;
"#;
    assert_eq!(&format!("{:?}", modelica_parser::parse_model(example1).unwrap()), example1);

    let example2 =
r#"model MinimalModel
  parameter Real a;
  Real b;
equation
  connect(a, b);
  a = 1;
  b = ((abs(a) + 2) / 4);
end MinimalModel;
"#;
    assert_eq!(&format!("{:?}", modelica_parser::parse_model(example2).unwrap()), example2);
}