wit-component 0.246.2

Tooling for working with `*.wit` and component files together.
Documentation 
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#![cfg(feature = "wat")]

use anyhow::Result;
use wit_parser::Resolve;

/// Ensure that parse_wit_from_path works with directories
#[test]
fn parse_wit_dir() -> Result<()> {
    drop(env_logger::try_init());

    let mut resolver = Resolve::default();
    let (package_id, _) = resolver.push_path("tests/wit/parse-dir/wit")?;
    assert!(
        resolver
            .select_world(&[package_id], "foo-world".into())
            .is_ok()
    );

    Ok(())
}

/// Ensure that parse_wit_from_path works for a single file
#[test]
fn parse_wit_file() -> Result<()> {
    drop(env_logger::try_init());

    let mut resolver = Resolve::default();
    let (package_id, _) = resolver.push_path("tests/wit/parse-dir/wit/deps/bar/bar.wit")?;
    resolver.select_world(&[package_id], "bar-world".into())?;
    assert!(
        resolver
            .interfaces
            .iter()
            .any(|(_, iface)| iface.name == Some("bar".into()))
    );

    Ok(())
}

/// Ensure that parse_with_from_path fails for missing paths
#[test]
fn parse_wit_missing_path() -> Result<()> {
    drop(env_logger::try_init());

    let mut resolver = Resolve::default();
    assert!(resolver.push_path("tests/nonexistent/path").is_err());

    Ok(())
}