TestProjects.cs

using System.Linq;
using System.Collections.Generic;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Web.Http.Results;
using Rhino.Mocks;
using POC.ViewModels;
using POC.Controllers;
using POC.Repository.Interface;


namespace POC.TestSuite
{

    /// <summary>
    ///This is a sample Test class for Projects
    ///https://docs.microsoft.com/en-us/aspnet/web-api/overview/testing-and-debugging/unit-testing-with-aspnet-web-api
    ///https://wrightfully.com/using-rhino-mocks-quick-guide-to-generating-mocks-and-stubs
    /// </summary>
    [TestClass]
    public class TestProjectController
    {
        private IProjectRepository _IProjectRepository;
        private ILogger _logger;
        public TestProjectController()
        {
            _logger = MockRepository.GenerateMock<ILogger>();
            _IProjectRepository = MockRepository.GenerateMock<IProjectRepository>();
        }

        [TestMethod]
        public void SaveProject_ShouldReturn()
        {
            //arrange  
            var _project = new Models.ProjectMaster() { ProjectID = 1, ProjectCode = "A001", ProjectName = "ABC Bearings Ltd", IsActive = true, IsDeleted = false };
            _IProjectRepository.Expect(s => s.Save(_project))
                              .IgnoreArguments()
                              .Return(1);
            ProjectController controller = new ProjectController(_IProjectRepository, _logger);
            //Act    
            var result = controller.Save(_project);
            var contentResult = result as OkNegotiatedContentResult<int>;
            var expectedresult =System.Convert.ToInt32(contentResult.Content);
            //Assert
            Assert.AreEqual(expectedresult, 1);
        }

        [TestMethod]
        public void GetAllProjects_ShouldReturnAllProjects()
        {
            //Arrange
            var _fakeProjects = GetMockProjects();
            _IProjectRepository.Expect(s => s.GetAll("ProjectName", "ASC", ""))
                               .IgnoreArguments()
                               .Return(_fakeProjects);
            ProjectController controller = new ProjectController(_IProjectRepository, _logger);
            //Act           
            var actionResult = controller.GetAll();
            var contentResult = actionResult as OkNegotiatedContentResult<List<ProjectMasterViewModel>>;
            var expected = (contentResult.Content) as List<ProjectMasterViewModel>;
            //Assert
            Assert.IsNotNull(expected);
            Assert.AreEqual(expected.ToList().Count, 4);
        }

        [TestMethod]
        public void GetProject_ShouldReturnCorrectProject()
        {
            //Arrange          
            var _project = new ProjectMasterViewModel() { ProjectID = 1, ProjectCode = "A001", ProjectName = "ABC Bearings Ltd", IsActive = true, IsDeleted = false, Status = "Active" };
            _IProjectRepository.Expect(s => s.GetById(1))
                               .IgnoreArguments()
                               .Return(_project);
            ProjectController controller = new ProjectController(_IProjectRepository, _logger);
            //Act        
            var result = controller.GetById(1);
            var contentResult = result as OkNegotiatedContentResult<ProjectMasterViewModel>;
            var expected = (contentResult.Content) as ProjectMasterViewModel;
            //Assert
            Assert.IsNotNull(result);
            var projects = GetMockProjects();
            Assert.AreEqual(projects.ToList()[0].ProjectName, expected.ProjectName);
        }

        [TestMethod]
        public void GetProject_ShouldNotFindProject()
        {
            //Arrange           
            ProjectController controller = new ProjectController(_IProjectRepository, _logger);
            //Act    
            var result = controller.GetById(0);
            //Assert          
            Assert.IsInstanceOfType(result, typeof(NotFoundResult));
        }

        private IQueryable<ProjectMasterViewModel> GetMockProjects()
        {
            var Projects = new List<ProjectMasterViewModel>()
            {
                new ProjectMasterViewModel(){ ProjectID=1,ProjectCode="A001",ProjectName="ABC Bearings Ltd",IsActive=true,IsDeleted=false,Status="Active"},
                new ProjectMasterViewModel(){ ProjectID=2,ProjectCode="A002",ProjectName="Alok Industries Ltd",IsActive=true,IsDeleted=false,Status="Active"},
                new ProjectMasterViewModel(){ ProjectID=3,ProjectCode="A003",ProjectName="Ambuja Cement Ltd",IsActive=true,IsDeleted=false,Status="Active"},
                new ProjectMasterViewModel(){ ProjectID=4,ProjectCode="A004",ProjectName="Anil Bioplus Ltd (Anil Group Ahmedabad)",IsActive=true,IsDeleted=false,Status="Active"}
            };
            return Projects.AsQueryable();
        }
    }
}