"use strict";
const test = require("node:test");
const assert = require("node:assert/strict");
const { transition } = require("./state");
test("first observation records a baseline without email", () => assert.equal(transition(null, { ok: true, detail: "200" }).notify, false));
test("steady online state sends no email", () => assert.equal(transition({ ok: true, detail: "200" }, { ok: true, detail: "200" }).notify, false));
test("online to offline and offline to online both notify", () => {
  assert.deepEqual(transition({ ok: true, detail: "200" }, { ok: false, detail: "timeout" }).kind, "anomaly");
  assert.deepEqual(transition({ ok: false, detail: "timeout" }, { ok: true, detail: "200" }).kind, "recovered");
});