app-test

gistfile1.txt

describe('Calc', function() {

  beforeEach(module('myApp'));
  
  
  describe('service', function() {

    it('should do sum', inject(function(Calc) {
      expect(Calc.sum(3,4)).toBe(7);
    }));

  });

  describe('controller', function() {

    var controller, Calc;

    beforeEach(inject(function($controller, _Calc_) {
      Calc = _Calc_;
      spyOn(Calc, 'sum').and.returnValue(7);
      controller = $controller('MainController', { Calc: Calc});
    }));

    it('should call Calc service', function() {
      controller.doCalculations(3, 4);
      expect(Calc.sum).toHaveBeenCalled();
    });

    it('should set result', function() {
      controller.doCalculations(3, 4);
      expect(controller.result).toBe(7);
    });

  });


});

angular.module('myApp', []);

angular.module('myApp')
  .service('Calc', function() {
    this.sum = function(a, b) {
      return a + b;
    }
  });

angular.module('myApp')
  .controller('MainController', function(Calc) {

    this.doCalculations = function(a, b) {
      this.result = Calc.sum(a, b);
    }

  });