private async ValueTask <Category> TryCatch(
ReturningCategoryFunction returningCategoryFunction)
{
try
{
return(await returningCategoryFunction());
}
catch (NullCategoryException nullCategoryException)
{
throw CreateAndLogValidationException(nullCategoryException);
}
catch (InvalidCategoryException invalidCategoryException)
{
throw CreateAndLogValidationException(invalidCategoryException);
}
catch (SqlException sqlException)
{
throw CreateAndLogCriticalDependencyException(sqlException);
}
catch (NotFoundCategoryException notFoundCategoryException)
{
throw CreateAndLogValidationException(notFoundCategoryException);
}
catch (DuplicateKeyException duplicateKeyException)
{
var alreadyExistsCategoryException =
new AlreadyExistsCategoryException(duplicateKeyException);
throw CreateAndLogValidationException(alreadyExistsCategoryException);
}
catch (DbUpdateConcurrencyException dbUpdateConcurrencyException)
{
var lockedCategoryException = new LockedCategoryException(dbUpdateConcurrencyException);
throw CreateAndLogDependencyException(lockedCategoryException);
}
catch (DbUpdateException dbUpdateException)
{
throw CreateAndLogDependencyException(dbUpdateException);
}
catch (InvalidCategoryInputException invalidCategoryInputException)
{
throw CreateAndLogValidationException(invalidCategoryInputException);
}
catch (Exception exception)
{
throw CreateAndLogServiceException(exception);
}
}
public async Task ShouldThrowDependencyExceptionOnModifyIfDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
int randomNegativeNumber = GetNegativeRandomNumber();
DateTimeOffset randomDateTime = GetRandomDateTime();
Category randomCategory = CreateRandomCategory(randomDateTime);
Category someCategory = randomCategory;
someCategory.CreatedDate = randomDateTime.AddMinutes(randomNegativeNumber);
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedCategoryException = new LockedCategoryException(databaseUpdateConcurrencyException);
var expectedCategoryDependencyException =
new CategoryDependencyException(lockedCategoryException);
this.storageBrokerMock.Setup(broker =>
broker.SelectCategoryByIdAsync(someCategory.Id))
.ThrowsAsync(databaseUpdateConcurrencyException);
// when
ValueTask <Category> modifyCategoryTask =
this.categoryService.ModifyCategoryAsync(someCategory);
// then
await Assert.ThrowsAsync <CategoryDependencyException>(() =>
modifyCategoryTask.AsTask());
this.storageBrokerMock.Verify(broker =>
broker.SelectCategoryByIdAsync(someCategory.Id),
Times.Once);
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedCategoryDependencyException))),
Times.Once);
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
this.dateTimeBrokerMock.VerifyNoOtherCalls();
}
public async Task ShouldThrowDependencyExceptionOnDeleteWhenDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
Guid randomCategoryId = Guid.NewGuid();
Guid inputCategoryId = randomCategoryId;
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedCategoryException =
new LockedCategoryException(databaseUpdateConcurrencyException);
var expectedStudentCategoryException =
new CategoryDependencyException(lockedCategoryException);
this.storageBrokerMock.Setup(broker =>
broker.SelectCategoryByIdAsync(inputCategoryId))
.ThrowsAsync(databaseUpdateConcurrencyException);
// when
ValueTask <Category> deleteStudentCategoryTask =
this.categoryService.RemoveCategoryByIdAsync(inputCategoryId);
// then
await Assert.ThrowsAsync <CategoryDependencyException>(() => deleteStudentCategoryTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedStudentCategoryException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectCategoryByIdAsync(inputCategoryId),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
ShouldThrowDependencyExceptionOnRetrieveByIdWhenDbUpdateConcurrencyExceptionOccursAndLogItAsync()
{
// given
Guid someCategoryId = Guid.NewGuid();
var databaseUpdateConcurrencyException = new DbUpdateConcurrencyException();
var lockedCategoryException =
new LockedCategoryException(databaseUpdateConcurrencyException);
var expectedCategoryDependencyException =
new CategoryDependencyException(lockedCategoryException);
this.storageBrokerMock.Setup(broker =>
broker.SelectCategoryByIdAsync(It.IsAny <Guid>()))
.ThrowsAsync(databaseUpdateConcurrencyException);
// when
ValueTask <Category> retrieveByIdCategoryTask =
this.categoryService.RetrieveCategoryByIdAsync(someCategoryId);
// then
await Assert.ThrowsAsync <CategoryDependencyException>(() =>
retrieveByIdCategoryTask.AsTask());
this.loggingBrokerMock.Verify(broker =>
broker.LogError(It.Is(SameExceptionAs(expectedCategoryDependencyException))),
Times.Once);
this.storageBrokerMock.Verify(broker =>
broker.SelectCategoryByIdAsync(It.IsAny <Guid>()),
Times.Once);
this.dateTimeBrokerMock.VerifyNoOtherCalls();
this.loggingBrokerMock.VerifyNoOtherCalls();
this.storageBrokerMock.VerifyNoOtherCalls();
}
