37 lines
1.9 KiB
TypeScript
37 lines
1.9 KiB
TypeScript
import { reconcileRoomSnapshotChannels, sanitizeRoomSnapshot } from './rooms.helpers';
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describe('room snapshot helpers', () => {
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it('drops empty channel arrays from outgoing snapshots', () => {
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expect(sanitizeRoomSnapshot({ channels: [] }).channels).toBeUndefined();
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});
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it('keeps cached channels when incoming snapshot has none', () => {
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const generalChannel = { id: 'general', name: 'general', type: 'text', position: 0 } as const;
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const updatesChannel = { id: 'updates', name: 'updates', type: 'text', position: 1 } as const;
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const cachedChannels = [generalChannel, updatesChannel] as const;
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expect(reconcileRoomSnapshotChannels(cachedChannels as never, undefined)).toEqual(cachedChannels);
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expect(reconcileRoomSnapshotChannels(cachedChannels as never, [] as never)).toEqual(cachedChannels);
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});
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it('keeps richer cached channels when incoming snapshot is smaller', () => {
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const cachedChannels = [
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{ id: 'general', name: 'general', type: 'text', position: 0 },
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{ id: 'updates', name: 'updates', type: 'text', position: 1 },
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{ id: 'voice', name: 'General', type: 'voice', position: 0 }
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] as const;
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const incomingChannels = [{ id: 'general', name: 'general', type: 'text', position: 0 }] as const;
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expect(reconcileRoomSnapshotChannels(cachedChannels as never, incomingChannels as never)).toEqual(cachedChannels);
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});
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it('accepts incoming channels when snapshot is at least as complete', () => {
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const generalChannel = { id: 'general', name: 'general', type: 'text', position: 0 } as const;
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const updatesChannel = { id: 'updates', name: 'updates', type: 'text', position: 1 } as const;
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const cachedChannels = [generalChannel] as const;
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const incomingChannels = [generalChannel, updatesChannel] as const;
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expect(reconcileRoomSnapshotChannels(cachedChannels as never, incomingChannels as never)).toEqual(incomingChannels);
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});
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});
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