Function expectFailure

packages/opencode/test/tool/apply_patch.test.ts:79–84

(effect: Effect.Effect<A, E, R>, message?: string)

const makeDir = (dir: string) => Effect.promise(() => fs.mkdir(dir, { recursive: true }))

const expectFailure = <A, E, R>(effect: Effect.Effect<A, E, R>, message?: string) =>
  Effect.gen(function* () {
    const exit = yield* Effect.exit(effect)
    expect(Exit.isFailure(exit)).toBe(true)
    if (Exit.isFailure(exit) && message) expect(Cause.pretty(exit.cause)).toContain(message)
  })

const expectReadFailure = (filepath: string) => expectFailure(readText(filepath))