public void RemoveStudentFromTeam_StudentIsNull_ExpectArgumentException()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
// team t exists
var t = new Team()
{
Id = 1, Students = new List <Student>()
};
teamRepo.Add(t);
var studentsBeforeTest = new List <Student>(studentRepo.GetAll());
var teamsBeforeTest = new List <Team>(teamRepo.GetAll());
var service = new StudentTeamService(studentRepo, teamRepo);
// act + assert
var ex = Assert.Throws <ArgumentException>(() => service.RemoveStudentFromTeam(t, null));
// assert
Assert.Equal("Student is missing", ex.Message);
teamRepoMock.Verify(repo => repo.Update(It.Is <Team>(team => team == t)), Times.Never);
// verify that repositories contains same objects as before act.
Assert.Equal(studentsBeforeTest, studentRepoMock.Object.GetAll());
Assert.Equal(teamsBeforeTest, teamRepoMock.Object.GetAll());
}
public void RemoveStudentFromTeam_LegalRemove()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
// student s exists
var s = new Student()
{
Id = 1
};
studentRepo.Add(s);
// team t exists with student s as a member
var t = new Team()
{
Id = 1, Students = new List <Student>()
{
s
}
};
teamRepo.Add(t);
var studentsBeforeTest = new List <Student>(studentRepo.GetAll());
var teamsBeforeTest = new List <Team>(teamRepo.GetAll());
var service = new StudentTeamService(studentRepo, teamRepo);
// act
service.RemoveStudentFromTeam(t, s);
// assert
Assert.True(!teamRepo.GetById(t.Id).Students.Contains(s));
teamRepoMock.Verify(repo => repo.Update(It.Is <Team>(team => team == t)), Times.Once);
// verify that repositories contains same objects as before act.
Assert.Equal(studentsBeforeTest, studentRepoMock.Object.GetAll());
Assert.Equal(teamsBeforeTest, teamRepoMock.Object.GetAll());
}
public void RemoveStudentFromTeam_StudentNotMemberOfTeam_ExpectInvalidOperationException()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
// student s exists
var s = new Student()
{
Id = 1
};
studentRepo.Add(s);
// team t exists, but student s is not a member
var t = new Team()
{
Id = 1, Students = new List <Student>()
};
teamRepo.Add(t);
var studentsBeforeTest = new List <Student>(studentRepo.GetAll());
var teamsBeforeTest = new List <Team>(teamRepo.GetAll());
var service = new StudentTeamService(studentRepo, teamRepo);
// act + assert
var ex = Assert.Throws <InvalidOperationException>(() => service.RemoveStudentFromTeam(t, s));
// assert
Assert.Equal("Student is not a member of the team", ex.Message);
teamRepoMock.Verify(repo => repo.Update(It.Is <Team>(team => team == t)), Times.Never);
// verify that repositories contains same objects as before act.
Assert.Equal(studentsBeforeTest, studentRepoMock.Object.GetAll());
Assert.Equal(teamsBeforeTest, teamRepoMock.Object.GetAll());
}