39 lines
1.5 KiB
TypeScript
39 lines
1.5 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { registerChannel, getChannelFactory, getRegisteredChannelNames } from './registry.js';
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// The registry is module-level state, so we need a fresh module per test.
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// We use dynamic import with cache-busting to isolate tests.
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// However, since vitest runs each file in its own context and we control
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// registration order, we can test the public API directly.
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describe('channel registry', () => {
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// Note: registry is shared module state across tests in this file.
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// Tests are ordered to account for cumulative registrations.
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it('getChannelFactory returns undefined for unknown channel', () => {
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expect(getChannelFactory('nonexistent')).toBeUndefined();
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});
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it('registerChannel and getChannelFactory round-trip', () => {
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const factory = () => null;
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registerChannel('test-channel', factory);
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expect(getChannelFactory('test-channel')).toBe(factory);
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});
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it('getRegisteredChannelNames includes registered channels', () => {
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registerChannel('another-channel', () => null);
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const names = getRegisteredChannelNames();
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expect(names).toContain('test-channel');
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expect(names).toContain('another-channel');
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});
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it('later registration overwrites earlier one', () => {
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const factory1 = () => null;
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const factory2 = () => null;
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registerChannel('overwrite-test', factory1);
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registerChannel('overwrite-test', factory2);
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expect(getChannelFactory('overwrite-test')).toBe(factory2);
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});
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});
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