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feat(vela): mock push-to-talk transcript updates

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This commit is contained in:
Johannes Kresner
2026-04-08 20:13:36 +02:00
parent 103bb11954
commit 98bcc543f5
8 changed files with 179 additions and 6 deletions
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63
apps/vela-gateway/test/websocket-session.test.js
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@@ -293,8 +293,16 @@ test('websocket handles valid and invalid client messages safely', async () => {
type: 'session.state',
payload: { value: 'listening' }
});
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.partial',
payload: { text: '[mocked partial] Placeholder push-to-talk transcript in progress.' }
});
client.sendJson({ type: 'input_audio.commit', payload: {} });
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.final',
payload: { text: '[mocked final] Placeholder push-to-talk transcript completed from 1 appended chunk.' }
});
assert.deepEqual(await client.nextMessage(), {
type: 'session.state',
payload: { value: 'idle' }
@@ -340,8 +348,16 @@ test('websocket accepts a placeholder input cycle before a mocked turn on the sa
type: 'session.state',
payload: { value: 'listening' }
});
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.partial',
payload: { text: '[mocked partial] Placeholder push-to-talk transcript in progress.' }
});
client.sendJson({ type: 'input_audio.commit', payload: {} });
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.final',
payload: { text: '[mocked final] Placeholder push-to-talk transcript completed from 1 appended chunk.' }
});
assert.deepEqual(await client.nextMessage(), {
type: 'session.state',
payload: { value: 'idle' }
@@ -359,6 +375,53 @@ test('websocket accepts a placeholder input cycle before a mocked turn on the sa
}
});
test('websocket emits deterministic partials for repeated appends and a deterministic final for commit without append', async () => {
const server = await startServer();
try {
const client = await connectWebSocket(server.port);
await client.nextMessage();
await client.nextMessage();
client.sendJson({ type: 'input_audio.append', payload: { chunk: 'chunk-1' } });
assert.deepEqual(await client.nextMessage(), {
type: 'session.state',
payload: { value: 'listening' }
});
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.partial',
payload: { text: '[mocked partial] Placeholder push-to-talk transcript in progress.' }
});
client.sendJson({ type: 'input_audio.append', payload: { chunk: 'chunk-2' } });
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.partial',
payload: { text: '[mocked partial] Placeholder push-to-talk transcript in progress (2 chunks).' }
});
client.sendJson({ type: 'input_audio.commit', payload: {} });
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.final',
payload: { text: '[mocked final] Placeholder push-to-talk transcript completed from 2 appended chunks.' }
});
assert.deepEqual(await client.nextMessage(), {
type: 'session.state',
payload: { value: 'idle' }
});
client.sendJson({ type: 'input_audio.commit', payload: {} });
assert.deepEqual(await client.nextMessage(), {
type: 'transcript.final',
payload: { text: '[mocked final] Placeholder push-to-talk transcript completed without appended audio.' }
});
await assert.rejects(() => client.nextMessage(150), /timed out waiting for websocket message/);
await client.close();
} finally {
await server.close();
}
});
test('websocket mocked turn emits deterministic transcript and response events in order', async () => {
const server = await startServer();