test.utils.ts

import { assert, BufReader, TextProtoReader } from "../src/deps_test.ts";

let server: Deno.Process;

export async function startServer(serverPath: string): Promise<void> {
  server = Deno.run({
    cmd: [
      Deno.execPath(),
      "run",
      "-A",
      "--importmap=imports.json",
      "--unstable",
      "--config",
      "./src/tsconfig.lib.json",
      serverPath,
    ],
    stdout: "piped",
    stderr: "inherit",
  });
  // Once server is ready it will write to its stdout.
  assert(server.stdout != null);

  const r = new TextProtoReader(new BufReader(server.stdout as any));
  let s = await r.readLine();

  assert(s !== null && s.includes("Server start in"));

  return Promise.resolve();
}

export function killServer(): void {
  server.close();
  (server.stdout as any)?.close();
}

export function itLog(s: string, firstIt = false): void {
  firstIt ? console.log("\n" + s) : console.log(s);
}