private async ValueTask <List <StudentView> > TryCatch(ReturningStudentViewsFunction returningStudentViewsFunction)
{
try
{
return(await returningStudentViewsFunction());
}
catch (StudentDependencyException studentDependencyException)
{
throw CreateAndLogDependencyException(studentDependencyException);
}
catch (StudentServiceException studentServiceException)
{
throw CreateAndLogDependencyException(studentServiceException);
}
catch (Exception serviceException)
{
var failedStudentViewServiceException = new FailedStudentViewServiceException(serviceException);
throw CreateAndLogServiceException(failedStudentViewServiceException);
}
}
public async Task ShouldThrowStudentViewServiceExceptionIfServiceErrorOccursAndLogItAsync()
{
// given
var serviceException = new Exception();
var failedStudentViewServiceException =
new FailedStudentViewServiceException(serviceException);
var expectedStudentViewServiceException =
new StudentViewServiceException(failedStudentViewServiceException);
this.studentServiceMock.Setup(service =>
service.RetrieveAllStudentsAsync())
.ThrowsAsync(serviceException);
// when
ValueTask <List <StudentView> > retrieveAllStudentViewsTask =
this.studentViewService.RetrieveAllStudentViewsAsync();
// then
await Assert.ThrowsAsync <StudentViewServiceException>(() =>
retrieveAllStudentViewsTask.AsTask());
this.studentServiceMock.Verify(service =>
service.RetrieveAllStudentsAsync(),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(
expectedStudentViewServiceException))),
Times.Once);
this.studentServiceMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.navigationBrokerMock.VerifyNoOtherCalls();
this.userServiceMock.VerifyNoOtherCalls();
}
