public void AddStudentToTeam_StudentAndTeamExistsStudentNotYetAssigned()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
var s1 = new Student()
{
Id = 1
};
var s2 = new Student()
{
Id = 2
};
var s3 = new Student()
{
Id = 3
};
var s4 = new Student()
{
Id = 4
};
// all students exists in studentRepo
studentRepo.Add(s1);
studentRepo.Add(s2);
studentRepo.Add(s3);
studentRepo.Add(s4);
var t = new Team()
{
Id = 1, Students = new List <Student>()
{
s1, s2, s3
}
};
// team t exists in teamRepo
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.AddStudentToTeam(t, s4);
// assert
// student is now in the team
Assert.NotNull(teamRepo.GetById(t.Id).Students.Where <Student>(s => s == s4));
// team object har been updated in the team repository
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 AddStudentToTeam_TeamDoesNotExist_ExpectArgumentException()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
var student = new Student()
{
Id = 1
};
// student exists in student repository
studentRepo.Add(student);
// team not in team repository
var team = new Team()
{
Id = 1, Students = new List <Student>()
};
var studentsBeforeTest = new List <Student>(studentRepo.GetAll());
var teamsBeforeTest = new List <Team>(teamRepo.GetAll());
var service = new StudentTeamService(studentRepoMock.Object, teamRepoMock.Object);
// act + assert
var ex = Assert.Throws <ArgumentException>(() => service.AddStudentToTeam(team, student));
Assert.Equal("Team not found", ex.Message);
teamRepoMock.Verify(repo => repo.Update(It.Is <Team>(t => t == null)), 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 AddStudentToTeam_TeamIsNull_ExpectArgumentException()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
var student = new Student()
{
Id = 1
};
studentRepo.Add(student);
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.AddStudentToTeam(null, student));
Assert.Equal("Team is missing", ex.Message);
teamRepoMock.Verify(repo => repo.Update(It.Is <Team>(t => t == null)), 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 AddStudentToTeam_StudentIsAlreadyAssigned_ExpectInvalidOperationException()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
var s1 = new Student()
{
Id = 1
};
var s2 = new Student()
{
Id = 2
};
// all students exists in studentRepo
studentRepo.Add(s1);
studentRepo.Add(s2);
var t1 = new Team()
{
Id = 1, Students = new List <Student>()
{
s1
}
};
var t2 = new Team()
{
Id = 2, Students = new List <Student>()
{
s2
}
};
// all teams exists in teamRepo
teamRepo.Add(t1);
teamRepo.Add(t2);
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.AddStudentToTeam(t1, s2));
Assert.Equal("Student is already assigned to a team", ex.Message);
teamRepoMock.Verify(repo => repo.Update(It.Is <Team>(t => t == t1)), 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 AddStudentToTeam_ToManyStudents_ExpectInvalidOperationException()
{
// arrange
var studentRepo = studentRepoMock.Object;
var teamRepo = teamRepoMock.Object;
var s1 = new Student()
{
Id = 1
};
var s2 = new Student()
{
Id = 2
};
var s3 = new Student()
{
Id = 3
};
var s4 = new Student()
{
Id = 4
};
var s5 = new Student()
{
Id = 5
};
// all students exists in studentRepo
studentRepo.Add(s1);
studentRepo.Add(s2);
studentRepo.Add(s3);
studentRepo.Add(s4);
studentRepo.Add(s5);
// team t is full
var t = new Team()
{
Id = 1, Students = new List <Student>()
{
s1, s2, s3, s4
}
};
// team t exists in teamRepo
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.AddStudentToTeam(t, s5));
Assert.Equal("Team is full", 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());
}