public async Task Requests_in_parallel_execute_function_once()
{
var operationKey = "operation_key";
var tasksBag = new ConcurrentBag <Task>();
var executingFunctionCallCount = 0;
var getResultFunctionCallCount = 0;
var locker = new StubDistributedLocker();
Parallel.For(0, 100, _ =>
{
var executor = new IdempotentFunctionExecutor(locker);
var task = executor.Execute(() => Increment(ref executingFunctionCallCount),
() => Increment(ref getResultFunctionCallCount),
operationKey,
TimeSpan.FromSeconds(1));
tasksBag.Add(task);
});
await Task.WhenAll(tasksBag);
Assert.Equal(1, executingFunctionCallCount);
Assert.Equal(99, getResultFunctionCallCount);
}
public async Task Function_executed_once_blocks_gets_results_for_further_executions()
{
var operationKey = "operation_key";
var executor = new IdempotentFunctionExecutor(new StubDistributedLocker());
var executingFunctionCallCount = 0;
var getResultFunctionCallCount = 0;
await Execute();
await Execute();
await Execute();
Assert.Equal(1, executingFunctionCallCount);
Assert.Equal(2, getResultFunctionCallCount);
Task Execute()
{
return(executor.Execute(() => Increment(ref executingFunctionCallCount),
() => Increment(ref getResultFunctionCallCount),
operationKey,
TimeSpan.FromSeconds(5)));
}
}
public IdempotentBookingExecutor(IdempotentFunctionExecutor functionExecutor, IDoubleFlow flow, IBookingInfoService bookingInfoService)
{
_functionExecutor = functionExecutor;
_flow = flow;
_bookingInfoService = bookingInfoService;
}
