@Test
public void mustBeAbleToUseQueue() throws Exception {
final Pair<SourceQueueWithComplete<String>, CompletionStage<List<String>>> x =
Flow.of(String.class)
.runWith(Source.queue(2, OverflowStrategy.fail()), Sink.seq(), materializer);
final SourceQueueWithComplete<String> source = x.first();
final CompletionStage<List<String>> result = x.second();
source.offer("hello");
source.offer("world");
source.complete();
assertEquals(
result.toCompletableFuture().get(3, TimeUnit.SECONDS), Arrays.asList("hello", "world"));
}
@Test
public void mustBeAbleToUseConflate() throws Exception {
final JavaTestKit probe = new JavaTestKit(system);
final List<String> input = Arrays.asList("A", "B", "C");
CompletionStage<String> future =
Source.from(input)
.conflateWithSeed(s -> s, (aggr, in) -> aggr + in)
.runFold("", (aggr, in) -> aggr + in, materializer);
String result = future.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals("ABC", result);
final Flow<String, String, NotUsed> flow2 = Flow.of(String.class).conflate((a, b) -> a + b);
CompletionStage<String> future2 =
Source.from(input)
.conflate((String a, String b) -> a + b)
.runFold("", (a, b) -> a + b, materializer);
String result2 = future2.toCompletableFuture().get(3, TimeUnit.SECONDS);
assertEquals("ABC", result2);
}