public void ComplexOperationShouldHandleRollbackOperationFailure()
{
var items = new List<int>();
var operation = new ComplexOperation();
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(4, items, OperationResult.Success, OperationResult.Success));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(8, items, OperationResult.Success, OperationResult.Success));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(15, items, OperationResult.Success, OperationResult.Fail("rollback failure")));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(16, items, OperationResult.Success, OperationResult.Success));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(23, items, OperationResult.Success, OperationResult.Success));
operation.Execute();
Assert.That(items, Is.EqualTo(new[] { 4, 8, 15, 16, 23 }));
var rollbackResult = operation.Rollback();
Assert.That(rollbackResult.Succeeded, Is.False);
Assert.That(rollbackResult.Message, Is.EqualTo("rollback failure"));
Assert.That(items, Is.EqualTo(new[] { 4, 8, -15, -16, -23 }));
}
public void ComplexOperationShouldRollbackOperationsInReverseOrder()
{
var items = new List<int>();
var operation = new ComplexOperation();
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(4, items, OperationResult.Success, OperationResult.Success));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(8, items, OperationResult.Success, OperationResult.Success));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(15, items, OperationResult.Success, OperationResult.Success));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(16, items, OperationResult.Success, OperationResult.Success));
operation.AddOperationAtTheEnd(GetTestingAtomicOperation(23, items, OperationResult.Success, OperationResult.Success));
operation.Execute();
Assert.That(items, Is.EqualTo(new[] {4, 8, 15, 16, 23}));
operation.Rollback();
Assert.That(items, Is.EqualTo(new[] { -4, -8, -15, -16, -23 }));
}