fluent.test.js

// Copyright 2015-2016, Google, Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

'use strict';

var proxyquire = require('proxyquire').noPreserveCache();
var request = require('supertest');

describe('logging:fluent', function () {
  it('should log error', function (done) {
    var loggerCalled = false;

    var structuredLogger = {
      emit: function (name) {
        loggerCalled = true;
        assert(name === 'errors');
      }
    };

    var app = proxyquire('../fluent', {
      'fluent-logger': {
        createFluentSender: function (name, options) {
          assert(name === 'myapp');
          assert.deepEqual(options, {
            host: 'localhost',
            port: 24224,
            timeout: 3.0
          });
          return structuredLogger;
        }
      }
    });

    request(app)
      .get('/')
      .expect(500)
      .expect(function () {
        assert(loggerCalled, 'structuredLogger.emit should have been called');
      })
      .end(done);
  });
});