Hapi plugin test that illustrates plugins containing route definitions with array values for the method will fail when the plugin is registered to more than one server instance.

products.test.js

// plugins/products-api/test/products.test.js

'use strict';

var Lab = require('lab');
var Hapi = require('hapi');

var productsApi = require('../index');
var dataStore = require('../../store');

var describe = Lab.experiment;
var expect = Lab.expect;
var it = Lab.test;

var server = new Hapi.Server();

describe('Products API plugin registration', function() {
  it('requires "data-store" plugin', function(done) {
    var localServer = new Hapi.Server();
    expect(function() {
      localServer.pack.register(productsApi);
    }).to.throw(/missing dependency data-store/);
    done();
  });

  it('successfully loads with "data-store" plugin', function(done) {
    server.pack.register([dataStore, productsApi], function(err) {
      expect(err).to.equal(undefined);
      done();
    });
  });

  it('registers expected routes', function(done) {
    var table = server.table();
    var paths = table.map(function(route) {
      var obj = {
        method: route.method,
        path: route.path
      };
      return obj;
    });
    expect(table).to.have.length(6);
    expect(paths).to.include({method: 'get', path: '/api/products'});
    expect(paths).to.include({method: 'get', path: '/api/products/{id}'});
    expect(paths).to.include({method: 'post', path: '/api/products'});
    expect(paths).to.include({method: 'put', path: '/api/products/{id}'});
    expect(paths).to.include({method: 'patch', path: '/api/products/{id}'});
    expect(paths).to.include({method: 'delete', path: '/api/products/{id}'});
    done();
  });
});

routes.js

// plugins/products-api/lib/routes.js

'use strict';

var products = require('./products');

module.exports = [
  {
    method: 'GET',
    path: '/api/products',
    config: products.index
  },
  {
    method: 'GET',
    path: '/api/products/{id}',
    config: products.show
  },
  {
    method: 'POST',
    path: '/api/products',
    config: products.create
  },
  // Route with method array value breaks test
  {
    method: ['PUT', 'PATCH'],
    path: '/api/products/{id}',
    config: products.update
  },
  // Defining each route explicitly works fine
  // {
  //   method: 'PUT',
  //   path: '/api/products/{id}',
  //   config: products.update
  // },
  // {
  //   method: 'PATCH',
  //   path: '/api/products/{id}',
  //   config: products.update
  // },
  {
    method: 'DELETE',
    path: '/api/products/{id}',
    config: products.destroy
  }
];

test-output.txt

  ..x

 1 of 3 tests failed:

  3) Plugin registration registers expected routes:

      AssertionError: expected [ Array(5) ] to have a length of 6 but got 5
      AssertionError: expected [ Array(5) ] to include { method: 'put', path: '/api/products/{id}' }