public void AddEnrollmentsValidStudentWithCourses() { // Arrange: dynamic TestObj = new JObject(); TestObj.Name = "Óttar Helgi Einarsson"; TestObj.SSN = MockFactory.SSN_OTTAR; TestObj.DepartmentID = "1"; TestObj.Courses = new JArray( 20437, 20436, 20435 ); // Act: // 4 enrollments exist this student is valid and is enrolling in 3 valid courses // enrollment count should increase by 3 var oldList = _mockFactory.GetMockData <Enrollment>().Count; _service.AddEnrollment(TestObj); var newList = _mockFactory.GetMockData <Enrollment>().Count; // Assert: Assert.AreEqual(oldList, newList - 3); }