| 1 | import { test } from "node:test"; |
| 2 | import assert from "node:assert/strict"; |
| 3 | |
| 4 | import { |
| 5 | DEFAULT_PAGE, |
| 6 | MAX_BODY, |
| 7 | MAX_PAGE, |
| 8 | isTypingFrame, |
| 9 | messageBody, |
| 10 | meterDay, |
| 11 | pageOf, |
| 12 | pageSize, |
| 13 | } from "./messages.ts"; |
| 14 | |
| 15 | test("a message needs something in it, and not too much", () => { |
| 16 | assert.deepEqual(messageBody("hello \n"), { ok: true, body: "hello" }); |
| 17 | assert.equal(messageBody(" ").ok, false); |
| 18 | assert.equal(messageBody(undefined).ok, false); |
| 19 | // A card can stand alone. |
| 20 | assert.deepEqual(messageBody("", true), { ok: true, body: "" }); |
| 21 | assert.equal(messageBody("x".repeat(MAX_BODY)).ok, true); |
| 22 | assert.equal(messageBody("x".repeat(MAX_BODY + 1)).ok, false); |
| 23 | }); |
| 24 | |
| 25 | test("a page holds the default, or what was asked within limits", () => { |
| 26 | assert.equal(pageSize(null), DEFAULT_PAGE); |
| 27 | assert.equal(pageSize(10), 10); |
| 28 | assert.equal(pageSize(0), 1); |
| 29 | assert.equal(pageSize(10_000), MAX_PAGE); |
| 30 | assert.equal(pageSize("20"), DEFAULT_PAGE); |
| 31 | }); |
| 32 | |
| 33 | test("a page read one past its size says where to read on from", () => { |
| 34 | const rows = ["m5", "m4", "m3"].map((id) => ({ id })); |
| 35 | assert.deepEqual(pageOf(rows, 2), { rows: rows.slice(0, 2), older: "m4" }); |
| 36 | assert.deepEqual(pageOf(rows, 3), { rows, older: null }); |
| 37 | assert.deepEqual(pageOf([], 3), { rows: [], older: null }); |
| 38 | }); |
| 39 | |
| 40 | test("the meter counts by UTC day", () => { |
| 41 | assert.equal(meterDay("2026-10-08T23:59:59.999Z"), "2026-10-08"); |
| 42 | }); |
| 43 | |
| 44 | test("a socket frame says typing in this channel, or is ignored", () => { |
| 45 | assert.equal(isTypingFrame('{"type":"typing"}', "chn_1"), true); |
| 46 | assert.equal(isTypingFrame('{"type":"typing","channel_id":"chn_1"}', "chn_1"), true); |
| 47 | assert.equal(isTypingFrame('{"type":"typing","channel_id":"chn_2"}', "chn_1"), false); |
| 48 | assert.equal(isTypingFrame('{"type":"post","body":"hi"}', "chn_1"), false); |
| 49 | assert.equal(isTypingFrame("typing", "chn_1"), false); |
| 50 | assert.equal(isTypingFrame("null", "chn_1"), false); |
| 51 | assert.equal(isTypingFrame(new ArrayBuffer(4), "chn_1"), false); |
| 52 | }); |