| 1 | import assert from "node:assert/strict"; |
| 2 | import { test } from "node:test"; |
| 3 | |
| 4 | import { Recent } from "./chat-cache.ts"; |
| 5 | |
| 6 | test("the conversation cache keeps the most recently used, and no more", () => { |
| 7 | const recent = new Recent<number>(3); |
| 8 | recent.set("a", 1); |
| 9 | recent.set("b", 2); |
| 10 | recent.set("c", 3); |
| 11 | // Reading a moves it to the end, so b is the oldest. |
| 12 | assert.equal(recent.get("a")?.value, 1); |
| 13 | recent.set("d", 4); |
| 14 | assert.deepEqual(recent.keys(), ["c", "a", "d"]); |
| 15 | assert.equal(recent.has("b"), false); |
| 16 | // Setting again replaces and refreshes. |
| 17 | recent.set("c", 30); |
| 18 | assert.deepEqual(recent.keys(), ["a", "d", "c"]); |
| 19 | assert.equal(recent.get("c")?.value, 30); |
| 20 | }); |