@Test
public void forEachXWithEvents() {
List<Integer> list = new ArrayList<>();
LazyFutureStream<Integer> stream =
LazyFutureStream.of(
() -> 1,
() -> 2,
() -> 3,
(Supplier<Integer>)
() -> {
throw new RuntimeException();
})
.map(Supplier::get);
Subscription s =
stream.forEachXEvents(2, i -> list.add(i), e -> error = e, () -> complete = true);
assertThat(list, hasItems(1, 2));
assertThat(list.size(), equalTo(2));
System.out.println("first batch");
s.request(1);
assertFalse(complete);
assertThat(list, hasItems(1, 2, 3));
assertThat(list.size(), equalTo(3));
assertThat(error, nullValue());
s.request(2);
assertThat(error, instanceOf(RuntimeException.class));
assertTrue(complete);
}
@Test
public void forEachWithEvents() {
List<Integer> list = new ArrayList<>();
assertFalse(complete);
assertThat(error, nullValue());
LazyFutureStream<Integer> stream =
LazyFutureStream.of(
() -> 1,
() -> 2,
() -> 3,
(Supplier<Integer>)
() -> {
throw new RuntimeException();
})
.map(Supplier::get);
stream.forEachEvent(i -> list.add(i), e -> error = e, () -> complete = true);
assertThat(list, hasItems(1, 2, 3));
assertThat(list.size(), equalTo(3));
assertThat(error, instanceOf(RuntimeException.class));
assertTrue(complete);
}
@Test
public void forEachWithErrorsAsync() {
List<Integer> list = new ArrayList<>();
assertThat(error, nullValue());
LazyFutureStream<Integer> stream =
LazyFutureStream.of(
() -> 1,
() -> 2,
() -> 3,
(Supplier<Integer>)
() -> {
throw new RuntimeException();
},
() -> 4,
() -> 5)
.async()
.map(Supplier::get);
stream.forEachWithError(i -> list.add(i), e -> error = e);
ExceptionSoftener.softenRunnable(() -> Thread.sleep(100)).run();
assertThat(list, hasItems(1, 2, 3, 4, 5));
assertThat(list.size(), equalTo(5));
assertThat(list, hasItems(1, 2, 3, 4, 5));
assertThat(list.size(), equalTo(5));
assertThat(error, instanceOf(RuntimeException.class));
}
@Test
public void forEachX() {
Subscription s = LazyFutureStream.of(1, 2, 3).forEachX(2, System.out::println);
System.out.println("first batch");
s.request(1);
}
@Test
public void forEachXTest() {
List<Integer> list = new ArrayList<>();
Subscription s = LazyFutureStream.of(1, 2, 3).forEachX(2, i -> list.add(i));
assertThat(list, hasItems(1, 2));
assertThat(list.size(), equalTo(2));
s.request(1);
assertThat(list, hasItems(1, 2, 3));
assertThat(list.size(), equalTo(3));
}