testBuildsOfOneAppAtOnce

tcmts.cli.test.e2e.prod.testBuildsOfOneAppAtOnce · #njzxvulm · term

Builds of one app at once (two verifies, say) all succeed and give the same build: each is made in a directory of its own and put in place whole, and nothing of either is left behind

import { tcmInBackground, withChildren } from "#codebase/tcmts/cli/test/e2e/harness";
import { setUp } from "#codebase/tcmts/cli/test/e2e/prod";
import assert from "node:assert/strict";
import fs from "node:fs";
import path from "node:path";

export const testBuildsOfOneAppAtOnce = () =>
  withChildren(async (keep) => {
    const { dir, tcm, scratch } = setUp();
    scratch(`// tcm: namespace app
export async function greeting(name: string): Promise<string> { return "hello " + name + " from " + process.pid; }
export async function main() { document.querySelector("#app")!.textContent = await greeting("ada"); }
`);
    tcm("add");
    const apps = path.join(dir, ".tcm", "apps");
    for (const flags of [[], ["--force"]]) {
      const made = await Promise.all(
        // (three, so they overlap however the machine schedules them)
        [1, 2, 3].map(() => tcmInBackground(keep, dir, "build", "app.main", ...flags)),
      );
      for (const m of made) assert.equal(m.status, 0, m.out);
      const said = new Set(
        made.flatMap((m) => /built app\.main #([a-z2-7]{8})/.exec(m.out)?.[1] ?? []),
      );
      assert.ok(said.size === 1, `the same build: ${[...said].join(", ")}`);
      const builds = fs.readdirSync(apps).filter((f) => /^[a-z2-7]{52}$/.test(f));
      assert.equal(builds.length, 1);
      assert.ok(builds[0]!.startsWith([...said][0]!));
      const manifest = JSON.parse(
        fs.readFileSync(path.join(apps, builds[0]!, "tcm-app.json"), "utf8"),
      ) as { assets: string[] };
      assert.ok(fs.existsSync(path.join(apps, builds[0]!, "index.html")), "whole");
      for (const a of manifest.assets) assert.ok(fs.existsSync(path.join(apps, "assets", a)), a);
      assert.deepEqual(fs.readdirSync(path.join(dir, ".tcm", "build")), [], "nothing left behind");
    }
    assert.doesNotMatch(tcm("build", "app.main"), /built/, "and it's reused");
  })

testBuildsOfOneAppAtOnce

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