import { opendir } from "fs/promises";

const dir = "build/dev/javascript/gleam_stdlib/dist/gleam/";

export async function main() {
  console.log("Running tests...");

  let passes = 0;
  let failures = 0;

  for await (let entry of await opendir(dir)) {
    if (!entry.name.endsWith("_test.mjs")) continue;
    let module = await import("./gleam/" + entry.name);

    for (let fnName of Object.keys(module)) {
      if (!fnName.endsWith("_test")) continue;
      try {
        module[fnName]();
        process.stdout.write(`\u001b[32m.\u001b[0m`);
        passes++;
      } catch (error) {
        let moduleName = "\ngleam/" + entry.name.slice(0, -3);
        process.stdout.write(`\n❌ ${moduleName}.${fnName}: ${error}\n`);
        failures++;
      }
    }
  }

  console.log(`

${passes + failures} tests
${passes} passes
${failures} failures`);
  process.exit(failures ? 1 : 0);
}