public void Two_subsequent_requests_should_have_the_same_id()
{
const int MAX_BATCH_CAPACITY = 2;
var batcher = new SizedBatcher <string>(_ => new SuccessBatchResponse <bool>(true), MAX_BATCH_CAPACITY);
var one = batcher.Add("one");
var two = batcher.Add("two");
Assert.AreEqual(one, two, "Both requests should be handled by the same batch (identified by it's ID)!");
var three = batcher.Add("three");
var four = batcher.Add("four");
Assert.AreEqual(three, four, "Both requests should be handled by the same batch (identified by it's ID)!");
Assert.AreNotEqual(one, three, "There should be 2 different batches!");
}
public void If_batch_execution_fails_an_error_response_is_expected()
{
const int MAX_BATCH_CAPACITY = 2;
var batcher = new SizedBatcher <string>(_ =>
{
throw new Exception("Execution has failed!");
}, MAX_BATCH_CAPACITY);
var one = batcher.Add("one");
var two = batcher.Add("two");
var batchExecution = batcher.Query(one);
Assert.IsTrue(batchExecution.IsCompleted, "Execution should be completed!");
Assert.IsInstanceOf <ExceptionBatchResponse>(batchExecution.Result, "Result should be of type 'ExceptionBatchResponse'!");
var result = batchExecution.Result as ExceptionBatchResponse;
Assert.AreEqual("Execution has failed!", result.InnerException.Message);
}
public void If_batch_is_NOT_full_quering_the_status_should_throw()
{
const int MAX_BATCH_CAPACITY = 3;
var batcher = new SizedBatcher <string>(batch =>
{
var j = string.Join(" ", batch.Items);
return(new SuccessBatchResponse <string>(j));
}, MAX_BATCH_CAPACITY);
var one = batcher.Add("one");
var two = batcher.Add("two");
try
{
var batchExecution = batcher.Query(one);
Assert.Fail("Quering the batch-execution should have thrown before!");
}
catch (BatchWaitingForExecutionException)
{
// Just an exception of this type is expected.
}
}
public async Task If_batch_is_full_it_should_be_processed()
{
const int MAX_BATCH_CAPACITY = 2;
var batcher = new SizedBatcher <string>(batch =>
{
var j = string.Join(" ", batch.Items);
return(new SuccessBatchResponse <string>(j));
}, MAX_BATCH_CAPACITY);
var one = batcher.Add("one");
var two = batcher.Add("two");
var batchExecution = batcher.Query(one);
await batchExecution.WaitForCompletion();
Assert.IsTrue(batchExecution.IsCompleted, "Execution should be completed!");
Assert.IsInstanceOf <SuccessBatchResponse <string> >(batchExecution.Result, "Result should be of type 'SuccessBatchResponse<string>'!");
var result = batchExecution.Result as SuccessBatchResponse <string>;
Assert.AreEqual("one two", result.Value);
}
