testPublicServerStartsTheWebUiAhead

tcmts.cli.test.e2e.contributions.testPublicServerStartsTheWebUiAhead · #7asoshe5 · term

a public tcm serve starts its web UI as it starts listening, before anyone asks for it, so its first reader doesn't wait for its build

import { codebase, env, LIB, uiPage } from "#codebase/tcmts/cli/test/e2e/contributions";
import { strip, tcmBin, tempDir, withChildren } from "#codebase/tcmts/cli/test/e2e/harness";
import assert from "node:assert/strict";
import { spawn } from "node:child_process";

export const testPublicServerStartsTheWebUiAhead = async () => {
  const server = codebase(tempDir("contributions ahead"), "served");
  server.write(LIB);
  server.tcm("add");
  await withChildren(async (keep) => {
    const child = keep(
      spawn(process.execPath, [tcmBin(), "serve", "--port", "0", "--token", "tok", "--public"], {
        cwd: server.dir,
        env: env(),
      }),
    );
    let out = "";
    child.stdout.setEncoding("utf8").on("data", (d: string) => (out += d));
    child.stderr.setEncoding("utf8").on("data", (d: string) => (out += d));
    // (nothing asks for /forge/: the UI says it's listening by itself)
    const until = Date.now() + 120_000;
    let ui: RegExpExecArray | null = null;
    while (!(ui = /ui\s+url\s+(https?:\/\/[\d.]+:\d+)/.exec(strip(out))) && Date.now() < until)
      await new Promise((r) => setTimeout(r, 100));
    assert.ok(ui, out);
    const url = /url\s+(https?:\/\/[\d.]+:\d+)/.exec(out)![1]!;
    const page = await uiPage(`${url}/forge/people`);
    assert.equal(page.status, 200, page.html);
  });
}

testPublicServerStartsTheWebUiAhead

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