import { describe, it, expect } from 'vitest';
import { BaseResourceHandler } from '../../src/resources/BaseResourceHandler.js';
import { PaginationParams } from '../../src/utils/PaginationSystem.js';
// Create a concrete test handler to test the pagination integration
class TestPaginationHandler extends BaseResourceHandler {
async handleRequest(uri: string, server?: any): Promise<any> {
// Extract pagination parameters using the inherited method
const params = this.extractPaginationParameters(uri);
// Generate test data
const allData = Array.from({ length: 100 }, (_, i) => ({ id: i, name: `item-${i}` }));
// Create paginated response using the inherited method
return this.createPaginatedResponse(allData, params);
}
}
describe('BaseResourceHandler Pagination Integration', () => {
const handler = new TestPaginationHandler();
describe('extractPaginationParameters', () => {
it('should extract pagination parameters from URI', () => {
const uri = 'vault://test?limit=10&offset=20';
const params = handler.extractPaginationParameters(uri);
expect(params.limit).toBe(10);
expect(params.offset).toBe(20);
expect(params.style).toBe('offset');
});
it('should use custom default limit', () => {
const uri = 'vault://test';
const params = handler.extractPaginationParameters(uri, { defaultLimit: 25 });
expect(params.limit).toBe(25);
expect(params.offset).toBe(0);
expect(params.style).toBe('none');
});
});
describe('createPaginatedResponse', () => {
it('should create paginated response with metadata', async () => {
const uri = 'vault://test?limit=10&offset=20';
const response = await handler.handleRequest(uri);
expect(response.data).toHaveLength(10);
expect(response.data[0]).toEqual({ id: 20, name: 'item-20' });
expect(response.pagination).toEqual({
totalItems: 100,
hasMore: true,
limit: 10,
offset: 20,
nextOffset: 30,
previousOffset: 10,
currentPage: 3,
totalPages: 10
});
});
it('should handle last page correctly', async () => {
const uri = 'vault://test?limit=10&offset=90';
const response = await handler.handleRequest(uri);
expect(response.data).toHaveLength(10);
expect(response.pagination.hasMore).toBe(false);
expect(response.pagination.nextOffset).toBeUndefined();
});
});
describe('isPaginationRequested', () => {
it('should detect when pagination is requested', () => {
const params: PaginationParams = { style: 'offset', limit: 10, offset: 0 };
expect(handler.isPaginationRequested(params)).toBe(true);
});
it('should detect when pagination is not requested', () => {
const params: PaginationParams = { style: 'none', limit: 50, offset: 0 };
expect(handler.isPaginationRequested(params)).toBe(false);
});
});
});
