use super::*;

#[test]
fn selected_files_and_auxiliary_grammars_are_registered() {
    for (filename, language) in [
        ("main.rs", "Rust"),
        ("Gemfile", "Ruby"),
        ("main.py", "Python"),
        ("package.json", "JSON"),
        (".bashrc", "Bash"),
        ("GNUmakefile", "Makefile"),
        ("README.md", "Markdown"),
        ("main.jsx", "JavaScript"),
        ("main.ts", "TypeScript"),
        ("index.html", "HTML"),
        ("style.css", "CSS"),
        ("config.yml", "YAML"),
        ("Cargo.toml", "TOML"),
        ("Cargo.lock", "TOML"),
        ("main.c", "C"),
        ("main.cpp", "C++"),
        ("main.C", "C++"),
        ("main.go", "Go"),
        ("main.zig", "Zig"),
    ] {
        assert_eq!(
            detect(Some(Path::new(filename)), None).map(|spec| spec.name),
            Some(language)
        );
    }
    let ts = detect(Some(Path::new("main.ts")), None).unwrap();
    let tsx = detect(Some(Path::new("main.tsx")), None).unwrap();
    assert_eq!(ts.name, tsx.name);
    assert!(!std::ptr::eq(ts, tsx));
    assert_ne!(ts.language, tsx.language);
    assert!(std::ptr::eq(tsx, by_name("TSX").unwrap()));
    assert!(by_name("markdown_inline").is_some());
    for filename in [
        "notes.txt",
        "main.hs",
        "main.scala",
        "main.lua",
        "Dockerfile",
    ] {
        assert!(detect(Some(Path::new(filename)), None).is_none());
    }
}

#[test]
fn shebangs_support_bom_env_options_and_filename_precedence() {
    for (line, language) in [
        ("#!/usr/bin/python3", "Python"),
        ("\u{feff}#!/usr/bin/env -S python3.12 -u", "Python"),
        ("#!/usr/bin/env -u PYTHONHOME FOO=bar python3", "Python"),
        ("#!/usr/bin/ruby3.3", "Ruby"),
        ("#!/bin/bash", "Bash"),
        ("#! /usr/bin/env node", "JavaScript"),
    ] {
        assert_eq!(
            detect(None, Some(line)).map(|spec| spec.name),
            Some(language)
        );
    }
    assert_eq!(
        detect(Some(Path::new("main.rs")), Some("#!/bin/bash"))
            .unwrap()
            .name,
        "Rust"
    );
    assert!(detect(None, Some("#!/usr/bin/python-not-real")).is_none());
    assert!(detect(None, Some("#!/usr/bin/perl")).is_none());
    assert!(detect(None, Some("plain text")).is_none());
}