GitNexus/gitnexus/test/integration/resolvers/route-mapping.test.ts

import { describe, it, expect, beforeAll } from 'vitest';
import path from 'path';
import {
  FIXTURES, getRelationships, getNodesByLabel, edgeSet,
  runPipelineFromRepo, type PipelineResult,
} from './helpers.js';

describe('Next.js route mapping', () => {
  let result: PipelineResult;

  beforeAll(async () => {
    result = await runPipelineFromRepo(
      path.join(FIXTURES, 'nextjs-route-mapping'),
      () => {},
    );
  }, 60000);

  it('creates Route nodes for API endpoints', () => {
    const routes = getNodesByLabel(result, 'Route');
    expect(routes).toContain('/api/grants');
    expect(routes).toContain('/api/organizations/[slug]/grants');
  });

  it('creates HANDLES_ROUTE edge from route file to Route node', () => {
    const edges = getRelationships(result, 'HANDLES_ROUTE');
    expect(edges.length).toBeGreaterThanOrEqual(2);
    const grantsRoute = edges.find(e => e.target === '/api/grants');
    expect(grantsRoute).toBeDefined();
    expect(grantsRoute!.sourceFilePath).toContain('app/api/grants/route.ts');
  });

  it('creates FETCHES edge from consumer to Route node', () => {
    const edges = getRelationships(result, 'FETCHES');
    const fetchEdge = edges.find(e =>
      e.sourceFilePath.includes('useGrants') && e.target === '/api/grants'
    );
    expect(fetchEdge).toBeDefined();
  });

  it('creates Route nodes for PHP API endpoints', () => {
    const routes = getNodesByLabel(result, 'Route');
    expect(routes).toContain('/api/upload');
    expect(routes).toContain('/api/status');
  });

  it('matches dynamic route segments', () => {
    const edges = getRelationships(result, 'FETCHES');
    const dynamicFetch = edges.find(e =>
      e.sourceFilePath.includes('GrantsList')
    );
    expect(dynamicFetch).toBeDefined();
    expect(dynamicFetch!.target).toBe('/api/organizations/[slug]/grants');
  });
});