Educational/EducationDepartment/EducationDepartment.test/UnitTest.cs

using EducationDepartament.Views;
using EducationDepartment.Models;
using EducationDepartment.ViewModels;
using Microsoft.EntityFrameworkCore;
using Moq;
using UnitTestHelpers;

namespace EducationDepartment.test
{
    [TestClass]
    public class UnitTest
    {
        [TestMethod]
        public void TestOnPropertyChanged_UpdatesValues()
        {
            // Arrange
            var dbContextMock = new Mock<Schekaleva31pContext>(); // Creating a mock of the database context
            var viewModel = new AttendanceViewModel(dbContextMock.Object); // Creating an instance of the AttendanceViewModel
            bool eventRaised = false; // Flag to track if the PropertyChanged event was raised
            // Subscribing to the PropertyChanged event to check for changes in the 'Values' property
            viewModel.PropertyChanged += (sender, e) =>
            {
                if (e.PropertyName == nameof(viewModel.Values))
                {
                    eventRaised = true;
                }
            };
            // Act
            viewModel.SecondSelectedOption = "SomeGroup"; // Triggering a property change
            // Assert
            Assert.IsTrue(eventRaised); // Verifying that the PropertyChanged event was raised for the 'Values' property
        }
        [TestMethod]
        public void TestAuthorizationViewModel_LoginPropertyChange()
        {
            // Arrange
            var viewModel = new AuthorizationViewModel(); // Creating an instance of the AuthorizationViewModel
            bool eventRaised = false; // Flag to track if the PropertyChanged event was raised
            // Subscribing to the PropertyChanged event to check for changes in the 'Login' property
            viewModel.PropertyChanged += (sender, e) =>
            {
                if (e.PropertyName == nameof(viewModel.Login))
                {
                    eventRaised = true;
                }
            };
            // Act
            viewModel.Login = "newlogin@example.com"; // Triggering a property change
            // Assert
            Assert.IsTrue(eventRaised); // Verifying that the PropertyChanged event was raised for the 'Login' property
        }
        [TestMethod]
        public void AttendanceViewModel_GetNewAttendance_SetsCorrectParameterForDisciplineFilter()
        {
            // Arrange
            var dbConnect = new Schekaleva31pContext();  // Creating a mock of the database context
            var attendanceViewModel = new AttendanceViewModel(dbConnect); // Creating an instance of the AttendanceViewModel
            attendanceViewModel.SelectedOption = "Äèñöèïëèíà"; // Setting the SelectedOption
            attendanceViewModel.OptionValue = "Âñå ãðóïïû"; // Setting the OptionValue
            // Act
            attendanceViewModel.GetNewAttendance(); // Invoking the GetNewAttendance method
            // Assert
            Assert.AreEqual("Ãðóïïû íà äèñöèïëèíå ", attendanceViewModel.ParameterName); // Verifying that the ParameterName is set correctly
        }
        [TestMethod]
        public void AttendanceViewModel_NewOption_ReturnsCorrectOptionsForGroupFilter()
        {
            // Arrange
            var dbConnect = new Schekaleva31pContext();  // Creating a mock of the database context
            var attendanceViewModel = new AttendanceViewModel(dbConnect); // Creating an instance of the AttendanceViewModel
            attendanceViewModel.SelectedOption = "Ãðóïïà";// Setting the SelectedOption
            // Act
            var options = attendanceViewModel.NewOption(); // Invoking the NewOption method
            // Assert
            Assert.IsNotNull(options); // Verifying that the options are not null
            Assert.IsTrue(options.Count > 0); // Verifying that the options list has at least one item
        }
        [TestMethod]
        public void TimetableViewModel_NewValues_ForGroup_ReturnsExpectedValues()
        {
            // Arrange
            var dbContext = new Schekaleva31pContext(); // Creating a mock of the database context
            var timetableViewModel = new TimetableViewModel(dbContext); // Creating an instance of the TimetableViewModel
            timetableViewModel.SelectedOption = "Ãðóïïà"; // Setting the SelectedOption
            var expectedValuesCount = 40; // Defining the expected number of values
            // Act
            var values = timetableViewModel.NewValues("Ãðóïïà"); // Invoking the NewValues method with a specific group
            // Assert
            Assert.AreEqual(expectedValuesCount, values.Count); // Verifying that the count of values matches the expected count
        }
        [TestMethod]
        public void TimetableViewModel_NewTimetable_ForTeacher_ReturnsExpectedTimetable()
        {
            // Arrange: Create a mock object for Schekaleva31pContext
            var dbContext = new Schekaleva31pContext();
            // Create an instance of TimetableViewModel with the mock context
            var timetableViewModel = new TimetableViewModel(dbContext);
            // Set the SelectedOption to "Teacher" (Ïðåïîäàâàòåëü in Russian)
            timetableViewModel.SelectedOption = "Ïðåïîäàâàòåëü";
            // Define the expected count of timetable entries
            var expectedTimetableCount = 0;
            // Set the OptionValue to a specific teacher's name
            timetableViewModel.OptionValue = "John Doe";
            // Act: Call the NewTimetable method to populate the Timetable property
            timetableViewModel.NewTimetable();
            // Assert: Verify that the count of timetable entries matches the expected count
            Assert.AreEqual(expectedTimetableCount, timetableViewModel.Timetable?.Count);
        }
        [TestMethod]
        public void DisciplineViewModel_NewValues_ForGroup_ReturnsExpectedValues()
        {
            // Arrange: Create a mock object for Schekaleva31pContext
            var dbContext = new Schekaleva31pContext();
            // Create an instance of DisciplineViewModel with the mock context
            var disciplineViewModel = new DisciplineViewModel(dbContext);
            // Set the SelectedOption to "Group" (Ãðóïïà in Russian)
            disciplineViewModel.SelectedOption = "Ãðóïïà";
            // Define the expected count of values
            var expectedValuesCount = 40;
            // Act: Call the NewValues method with the "Group" parameter and set the Values property
            disciplineViewModel.Values = disciplineViewModel.NewValues("Ãðóïïà");
            // Assert: Verify that the count of values matches the expected count
            Assert.AreEqual(expectedValuesCount, disciplineViewModel.Values.Count);
        }
        [TestMethod]
        public void DisciplineViewModel_NewDisciplines_ForTeacher_ReturnsExpectedDisciplines()
        {
            // Arrange: Create a mock object for Schekaleva31pContext
            var dbContext = new Schekaleva31pContext();
            // Create an instance of DisciplineViewModel with the mock context
            var disciplineViewModel = new DisciplineViewModel(dbContext);
            // Set the SelectedOption to "Teacher" (Ïðåïîäàâàòåëü in Russian)
            disciplineViewModel.SelectedOption = "Ïðåïîäàâàòåëü";
            // Define the expected count of disciplines
            var expectedDisciplinesCount = 0;
            // Set the OptionValue to a specific teacher's name
            disciplineViewModel.OptionValue = "John Doe";
            // Act: Call the NewDisciplines method to populate the Disciplines property
            disciplineViewModel.NewDisciplines();
            // Assert: Verify that the count of disciplines matches the expected count
            Assert.AreEqual(expectedDisciplinesCount, disciplineViewModel.Disciplines?.Count);
        }
        [TestMethod]
        public void UserProfileViewModel_GetDisciplines_ReturnsExpectedDisciplines()
        {
            // Arrange: Create a mock object for Schekaleva31pContext
            var dbContext = new Schekaleva31pContext();
            // Define the email of the user
            var userEmail = "alex.ivanov@example.com";
            // Define the expected count of disciplines
            var expectedDisciplinesCount = 4;
            // Act: Create an instance of UserProfileViewModel with the mock context and user email
            var userProfileViewModel = new UserProfileViewModel(dbContext, userEmail);
            // Get the list of disciplines
            var disciplines = userProfileViewModel.Disciplines;
            // Assert: Verify that the count of disciplines matches the expected count
            Assert.AreEqual(expectedDisciplinesCount, disciplines.Count);
        }
        [TestMethod]
        public void UserProfileViewModel_Initialization_UserIsNotNull()
        {
            // Arrange: Create a mock object for Schekaleva31pContext
            var dbContext = new Schekaleva31pContext();
            // Define the email of the user
            var userEmail = "alex.ivanov@example.com";
            // Act: Create an instance of UserProfileViewModel with the mock context and user email
            var userProfileViewModel = new UserProfileViewModel(dbContext, userEmail);
            // Assert: Verify that the User property is not null
            Assert.IsNotNull(userProfileViewModel.User);
        }
    }
}