public void AddStudent_GivenValidStudent_ShouldSaveAndAddOneStudent()
{
//Arrange
var testStudent = new Student {
FirstMidName = "Carson", LastName = "Alexander", EnrollmentDate = DateTime.Parse("2005-09-01")
};
var data = new List <Student>
{
new Student {
FirstMidName = "Peggy", LastName = "Justice", EnrollmentDate = DateTime.Parse("2001-09-01")
},
new Student {
FirstMidName = "Meredith", LastName = "Alonso", EnrollmentDate = DateTime.Parse("2002-09-01")
},
};
var mockSet = GetQueryableMockDbSet(data.ToArray());
mockSet.Setup(x => x.Include(It.IsAny <string>())).Returns(mockSet.Object);
mockSet.Setup(x => x.Add(testStudent)).Callback(() => data.Add(testStudent));
var mockContext = new Mock <IDbContext>();
mockContext.Setup(con => con.Students).Returns(mockSet.Object);
mockContext.Setup(con => con.SaveChanges()).Returns(1);
var classUnderTest = new MockEFService(mockContext.Object);
//Action
var result = classUnderTest.AddStudent(testStudent);
//Assert
result.ShouldBe(1);
data.Count.ShouldBe(3);
data.Any(x => x.LastName == testStudent.LastName).ShouldBe(true);
mockContext.Verify(x => x.SaveChanges(), Times.Once);
}
