testWorkInASlotTakesNoMore

tcmts.cli.budget.test.testWorkInASlotTakesNoMore · #yu6fwrkj · term

Work inside a slot takes no more for what it runs: nested work runs at once (so it never waits behind itself), and what it starts as a process is told it's in the slot.

import { slotPool, withSlot } from "#codebase/tcmts/cli/budget";
import { settlesWithin } from "#codebase/tcmts/cli/budget/test";
import assert from "node:assert/strict";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";

export const testWorkInASlotTakesNoMore = async () => {
  const dir = fs.mkdtempSync(path.join(os.tmpdir(), "tcm slots "));
  try {
    const pool = slotPool(dir, 1);
    const inner = await withSlot(
      "verify of /x/codebase",
      async (env) => {
        assert.deepEqual(env, { TCM_SUITE_SLOT: "1" });
        const nested = withSlot("app build of /x/codebase", async () => "built", {
          pool,
          say: () => {},
        });
        assert.equal(await settlesWithin(nested, 400), true, "not waiting behind itself");
        return nested;
      },
      { pool, say: () => {} },
    );
    assert.equal(inner, "built");
    assert.deepEqual(fs.readdirSync(dir), []);
  } finally {
    fs.rmSync(dir, { recursive: true, force: true });
  }
}

testWorkInASlotTakesNoMore

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