import { describe, it, expect } from 'vitest';
import {
generateListSummary,
selectTopItems,
createCompactListResponse,
createSummaryOnlyListResponse,
} from './compact-list.js';
describe('Compact List Response', () => {
describe('generateListSummary', () => {
it('generates summary for non-empty list', () => {
const items = [1, 2, 3, 4, 5, 6, 7];
const summary = generateListSummary('posts', items);
expect(summary).toBe('Found 7 posts. Showing top 5.');
});
it('generates summary for empty list', () => {
const summary = generateListSummary('pages', []);
expect(summary).toBe('No pages found.');
});
it('includes context in summary', () => {
const items = [1, 2, 3];
const summary = generateListSummary('posts', items, { status: 'draft' });
expect(summary).toContain('status: draft');
});
});
describe('selectTopItems', () => {
it('returns first N items', () => {
const items = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
expect(selectTopItems(items, 5)).toEqual([1, 2, 3, 4, 5]);
});
it('returns all items if fewer than N', () => {
const items = [1, 2, 3];
expect(selectTopItems(items, 5)).toEqual([1, 2, 3]);
});
});
describe('createCompactListResponse', () => {
it('creates full compact response', () => {
const items = [
{ id: 1, title: 'A' },
{ id: 2, title: 'B' },
{ id: 3, title: 'C' },
{ id: 4, title: 'D' },
{ id: 5, title: 'E' },
{ id: 6, title: 'F' },
];
const response = createCompactListResponse('posts', items);
expect(response.ai_summary).toContain('Found 6 posts');
expect(response.items).toHaveLength(5);
expect(response.full_count).toBe(6);
expect(response.has_more).toBe(true);
expect(response._meta.compact).toBe(true);
expect(response._meta.token_estimate).toBeGreaterThan(0);
});
it('sets has_more to false when all items shown', () => {
const items = [{ id: 1 }, { id: 2 }];
const response = createCompactListResponse('pages', items);
expect(response.has_more).toBe(false);
expect(response.items).toHaveLength(2);
});
});
describe('createSummaryOnlyListResponse', () => {
it('creates summary-only response with metadata', () => {
const items = [
{ id: 1, title: 'A' },
{ id: 2, title: 'B' },
{ id: 3, title: 'C' },
];
const response = createSummaryOnlyListResponse('posts', items);
expect(response.ai_summary).toContain('posts');
expect(response.full_count).toBe(3);
expect(response._meta.compact).toBe(true);
expect(response._meta.summary_only).toBe(true);
expect(response._meta.token_estimate).toBeGreaterThan(0);
});
});
});
