use crate::Configuration;

static TEST_DIR: &str = "../tests/parsing";

fn single_test(flat_name: &str, complex_name: &str) -> Result<(), Box<dyn std::error::Error>> {
	let config1 = Configuration::load_path(format!("{TEST_DIR}/{flat_name}"))?;
	let config2 = Configuration::load_path(format!("{TEST_DIR}/{complex_name}"))?;
	super::check_configs_equal(&config1, &config2)
}

fn try_parsing() -> Result<(), Box<dyn std::error::Error>> {
	let tests = std::fs::read_dir(TEST_DIR).map_err(|e| {
		format!(
			"error reading {TEST_DIR}: {e} — try moving pom-rs to inside the main pom repository?"
		)
	})?;
	for test_entry in tests {
		let filename = test_entry
			.map_err(|e| format!("error reading tests directory {TEST_DIR}: {e}"))?
			.file_name()
			.into_string()
			.expect("bad UTF-8 in test name (file in {TEST_DIR})");
		if filename.ends_with(".flat.pom") {
			single_test(&filename, filename.replace(".flat.pom", ".pom").as_ref())?;
		}
	}
	Ok(())
}

#[test]
fn parsing() {
	if let Err(e) = try_parsing() {
		panic!("Error: {e}");
	}
}