69 lines
2.2 KiB
TypeScript
69 lines
2.2 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { render } from 'vitest-browser-svelte';
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import { conversationsStore } from '$lib/stores/conversations.svelte';
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import TestSnapshotMessagesWrapper from './components/TestSnapshotMessagesWrapper.svelte';
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import type { ChatRole, DatabaseMessage } from '$lib/types';
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const msg = (
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id: string,
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role: ChatRole,
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content: string,
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parent: string | null,
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extra: Partial<DatabaseMessage> = {}
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): DatabaseMessage => ({
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id,
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convId: 'c1',
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type: 'text',
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role,
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content,
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thinking: '',
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toolCalls: '',
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parent: parent ?? '-1',
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children: [],
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timestamp: Date.now(),
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...extra
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});
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/**
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* Reproduces the UI snapshot-passing pattern (messages={activeMessages()}).
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* Expects the final assistant content to appear after streaming additions.
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* This should fail until ChatScreen passes a reactive source.
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*/
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describe('ChatMessages snapshot regression', () => {
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it('fails to show final content when messages prop is a stale snapshot', async () => {
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conversationsStore.activeMessages = [];
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const user = msg('u1', 'user', 'Question', null);
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const a1 = msg('a1', 'assistant', '', user.id, {
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thinking: 'reasoning-step-1',
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toolCalls: JSON.stringify([
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{
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id: 'call-1',
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type: 'function',
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function: { name: 'calculator', arguments: JSON.stringify({ expression: '1+1' }) }
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}
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])
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});
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const t1 = msg('t1', 'tool', JSON.stringify({ result: '2' }), a1.id, { toolCallId: 'call-1' });
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const a2 = msg('a2', 'assistant', '', t1.id, { thinking: 'reasoning-step-2' });
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const a3 = msg('a3', 'assistant', 'final-answer', a2.id);
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// Seed initial messages before render
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conversationsStore.addMessageToActive(user);
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conversationsStore.addMessageToActive(a1);
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conversationsStore.addMessageToActive(t1);
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const { container } = render(TestSnapshotMessagesWrapper);
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// Add later reasoning + final answer after mount (prop is stale snapshot)
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conversationsStore.addMessageToActive(a2);
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conversationsStore.addMessageToActive(a3);
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await Promise.resolve();
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await Promise.resolve();
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// With a stale snapshot, final-answer will be missing; this expectation enforces correct behavior.
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expect(container.textContent || '').toContain('final-answer');
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});
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});
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