bun.sh/test/bun.js/exit-code.test.ts

import { describe, expect, it, test } from "bun:test";
import { bunExe } from "bunExe";
import { spawnSync } from "bun";

it("process.exit(1) works", () => {
  const { exitCode } = spawnSync([
    bunExe(),
    import.meta.dir + "/exit-code-1.js",
  ]);
  expect(exitCode).toBe(1);
});

it("await on a thrown value reports exit code 1", () => {
  const { exitCode } = spawnSync([
    bunExe(),
    import.meta.dir + "/exit-code-await-throw-1.js",
  ]);
  expect(exitCode).toBe(1);
});

it("unhandled promise rejection reports exit code 1", () => {
  const { exitCode } = spawnSync([
    bunExe(),
    import.meta.dir + "/exit-code-unhandled-throw.js",
  ]);
  expect(exitCode).toBe(1);
});

it("process.exit(0) works", () => {
  const { exitCode } = spawnSync([
    bunExe(),
    import.meta.dir + "/exit-code-0.js",
  ]);
  expect(exitCode).toBe(0);
});