32 lines
1.1 KiB
TypeScript
32 lines
1.1 KiB
TypeScript
 
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import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { nextSpeakerSet, sameSet } from './speakerSet';
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test('sameSet: identity, size and membership', () => {
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const a = new Set(['@a:x', '@b:x']);
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assert.equal(sameSet(a, a), true);
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assert.equal(sameSet(a, new Set(['@b:x', '@a:x'])), true);
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assert.equal(sameSet(a, new Set(['@a:x'])), false);
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assert.equal(sameSet(a, new Set(['@a:x', '@c:x'])), false);
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});
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test('nextSpeakerSet returns the SAME reference when speakers are unchanged (#32)', () => {
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const prev = new Set(['@a:x']);
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const next = nextSpeakerSet(prev, [
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{ userId: '@a:x', speaking: true },
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{ userId: '@b:x', speaking: false },
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]);
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assert.equal(next, prev);
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});
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test('nextSpeakerSet returns a new set when speakers change, ignoring non-user ids', () => {
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const prev = new Set(['@a:x']);
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const next = nextSpeakerSet(prev, [
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{ userId: '@a:x', speaking: false },
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{ userId: '@b:x', speaking: true },
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{ userId: 'not-a-user-id', speaking: true },
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]);
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assert.notEqual(next, prev);
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assert.deepEqual(Array.from(next), ['@b:x']);
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});
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