linagora-rse/modules/linagora.esn.digest.daily/test/unit-backend/lib/weight/index.js

Linagora RSE

'use strict';

var expect = require('chai').expect;
var mockery = require('mockery');
var q = require('q');

describe('The weight module', function() {

  var deps = {};
  var dependencies = function(name) {
    return deps[name];
  };
  var helpers = {
    array: require('../../../../../../backend/helpers/array')
  };

  function initDependencies() {
    deps = {
      helpers: helpers
    };
  }

  function expectReturnDataInput(data, done) {
    return function(result) {
      expect(result).to.deep.equal(data);
      done();
    };
  }

  beforeEach(function() {
    initDependencies();
  });

  describe('The compute fn', function() {

    it('should reject when user is undefined', function(done) {
      var module = require('../../../../lib/weight')(dependencies);
      module.compute(null, {}).then(this.helpers.callbacks.notCalled(done), this.helpers.callbacks.called(done));
    });

    it('should reject when data is undefined', function(done) {
      var module = require('../../../../lib/weight')(dependencies);
      module.compute({}).then(this.helpers.callbacks.notCalled(done), this.helpers.callbacks.called(done));
    });

    it('should return data when data does not contain messages', function(done) {
      var data = {a: 1, b: 2, c: 3};
      var module = require('../../../../lib/weight')(dependencies);
      module.compute({}, data).then(expectReturnDataInput(data, done));
    });

    it('should return data when data contains empty messages array', function(done) {
      var data = {a: 1, b: 2, c: 3, messages: []};
      var module = require('../../../../lib/weight')(dependencies);
      module.compute({}, data).then(expectReturnDataInput(data, done));
    });

    it('should call the strategy#computeMessagesWeight', function(done) {
      var messages = [1, 2, 3];
      var data = {a: 1, b: 2, c: 3, messages: messages};
      var user = {_id: 1};
      var count = 0;

      mockery.registerMock('./strategies/date', function() {
        return {
          computeMessagesWeight: function(messages) {
            count++;
            return q(messages);
          }
        };
      });

      var module = require('../../../../lib/weight')(dependencies);
      module.compute(user, data).then(function(result) {
        expect(result).to.exist;
        expect(count).to.equal(1);
        done();
      }, this.helpers.callbacks.notCalled(done));
    });
  });
});