public async Task ShouldThrowValidationExceptionOnModifyIfStudentIsNullAndLogItAsync()
{
//given
Student noStudent = null;
var nullStudentException = new NullStudentException();
var expectedStudentValidationException =
new StudentValidationException(nullStudentException);
//when
ValueTask <Student> modifyStudentTask = this.studentService.ModifyStudentAsync(noStudent);
//then
await Assert.ThrowsAsync <StudentValidationException>(() => modifyStudentTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedStudentValidationException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectStudentByIdAsync(It.IsAny <Guid>()),
Times.Never);
this.storageBrokerMock.Verify(broker =>
broker.UpdateStudentAsync(It.IsAny <Student>()),
Times.Never);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async void ShouldThrowValidationExceptionOnRegisterWhenStudentIsNullAndLogItAsync()
{
// given
Student randomStudent = null;
Student nullStudent = randomStudent;
var nullStudentException = new NullStudentException();
var expectedStudentValidationException =
new StudentValidationException(nullStudentException);
// when
ValueTask <Student> registerStudentTask =
this.studentService.RegisterStudentAsync(nullStudent);
// then
await Assert.ThrowsAsync <StudentValidationException>(() =>
registerStudentTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedStudentValidationException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.InsertStudentAsync(It.IsAny <Student>()),
Times.Never);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowValidationExceptionOnRegisterIfStudentIsNullAndLogItAsync()
{
// given
Student invalidStudent = null;
var nullStudentException = new NullStudentException();
var expectedStudentValidationException =
new StudentValidationException(nullStudentException);
// when
ValueTask <Student> submitStudentTask =
this.studentService.RegisterStudentAsync(invalidStudent);
// then
await Assert.ThrowsAsync <StudentValidationException>(() =>
submitStudentTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(
It.Is(SameExceptionAs(expectedStudentValidationException))),
Times.Once);
this.apiBrokerMock.Verify(broker =>
broker.PostStudentAsync(It.IsAny <Student>()),
Times.Never);
this.apiBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
}