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103 lines
3.2 KiB
103 lines
3.2 KiB
import { describe, expect, it, vi } from 'vitest';
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import type { ServerEvent } from '../../core/protocol.js';
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import { deriveAvatarState, type AvatarStateSource } from './avatar-state.js';
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/** Minimal stand-in for RealtimeClient/ResilientRealtimeClient — only .on() is used. */
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class FakeSource implements AvatarStateSource {
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private handler: ((event: ServerEvent) => void) | null = null;
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on(handler: (event: ServerEvent) => void): () => void {
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this.handler = handler;
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return () => {
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this.handler = null;
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};
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}
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emit(event: ServerEvent): void {
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this.handler?.(event);
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}
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}
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describe('deriveAvatarState', () => {
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it('subscribe() emits the current state immediately', () => {
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const store = deriveAvatarState(new FakeSource());
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const run = vi.fn();
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store.subscribe(run);
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expect(run).toHaveBeenCalledTimes(1);
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expect(run).toHaveBeenCalledWith('idle');
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});
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it('walks listening -> thinking -> talking -> idle across a full voice turn', () => {
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const source = new FakeSource();
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const store = deriveAvatarState(source);
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const seen: string[] = [];
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store.subscribe((s) => seen.push(s));
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store.setListening(true);
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store.setListening(false);
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source.emit({ type: 'output_audio.chunk', audio: '' });
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source.emit({ type: 'output_audio.done' });
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expect(seen).toEqual(['idle', 'listening', 'thinking', 'talking', 'idle']);
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});
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it('notifyResponseRequested() drives thinking for the typed-text path', () => {
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const source = new FakeSource();
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const store = deriveAvatarState(source);
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const seen: string[] = [];
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store.subscribe((s) => seen.push(s));
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store.notifyResponseRequested();
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source.emit({ type: 'transcript.delta', role: 'assistant', text: 'hi' });
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source.emit({ type: 'transcript.done', role: 'assistant' });
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expect(seen).toEqual(['idle', 'thinking', 'talking', 'idle']);
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});
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it('ignores user transcript events (no signal either way)', () => {
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const source = new FakeSource();
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const store = deriveAvatarState(source);
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const seen: string[] = [];
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store.subscribe((s) => seen.push(s));
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source.emit({ type: 'transcript.delta', role: 'user', text: 'hello' });
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expect(seen).toEqual(['idle']);
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});
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it('session.ready and session.closed reset to idle from any state', () => {
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const source = new FakeSource();
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const store = deriveAvatarState(source);
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const seen: string[] = [];
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store.subscribe((s) => seen.push(s));
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source.emit({ type: 'output_audio.chunk', audio: '' }); // -> talking
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source.emit({ type: 'session.closed', reason: 'client_requested' });
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expect(seen).toEqual(['idle', 'talking', 'idle']);
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});
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it('response.done is a fallback that stops talking even without output_audio.done', () => {
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const source = new FakeSource();
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const store = deriveAvatarState(source);
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const seen: string[] = [];
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store.subscribe((s) => seen.push(s));
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source.emit({ type: 'output_audio.chunk', audio: '' });
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source.emit({ type: 'response.done' });
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expect(seen).toEqual(['idle', 'talking', 'idle']);
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});
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it('destroy() stops reacting to further events', () => {
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const source = new FakeSource();
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const store = deriveAvatarState(source);
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const seen: string[] = [];
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store.subscribe((s) => seen.push(s));
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store.destroy();
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source.emit({ type: 'output_audio.chunk', audio: '' });
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expect(seen).toEqual(['idle']);
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});
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});
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