@Test
public void reduceForJavaApiMustWork() throws Exception {
LinkedList<Future<String>> listFutures = new LinkedList<Future<String>>();
StringBuilder expected = new StringBuilder();
for (int i = 0; i < 10; i++) {
expected.append("test");
listFutures.add(
Futures.future(
new Callable<String>() {
public String call() {
return "test";
}
},
system.dispatcher()));
}
Future<String> result =
Futures.reduce(
listFutures,
new Function2<String, String, String>() {
public String apply(String r, String t) {
return r + t;
}
},
system.dispatcher());
assertEquals(Await.result(result, timeout), expected.toString());
}
@Test
public void findForJavaApiMustWork() throws Exception {
LinkedList<Future<Integer>> listFutures = new LinkedList<Future<Integer>>();
for (int i = 0; i < 10; i++) {
final Integer fi = i;
listFutures.add(
Futures.future(
new Callable<Integer>() {
public Integer call() {
return fi;
}
},
system.dispatcher()));
}
final Integer expect = 5;
Future<Option<Integer>> f =
Futures.find(
listFutures,
new Function<Integer, Boolean>() {
public Boolean apply(Integer i) {
return i == 5;
}
},
system.dispatcher());
assertEquals(expect, Await.result(f, timeout).get());
}
// TODO: Improve this test, perhaps with an Actor
@Test
public void mustSequenceAFutureList() throws Exception {
LinkedList<Future<String>> listFutures = new LinkedList<Future<String>>();
LinkedList<String> listExpected = new LinkedList<String>();
for (int i = 0; i < 10; i++) {
listExpected.add("test");
listFutures.add(
Futures.future(
new Callable<String>() {
public String call() {
return "test";
}
},
system.dispatcher()));
}
Future<Iterable<String>> futureList = Futures.sequence(listFutures, system.dispatcher());
assertEquals(Await.result(futureList, timeout), listExpected);
}
@Test
public void mustBeAbleToMapAFuture() throws Exception {
Future<String> f1 =
Futures.future(
new Callable<String>() {
public String call() {
return "Hello";
}
},
system.dispatcher());
Future<String> f2 =
f1.map(
new Mapper<String, String>() {
public String apply(String s) {
return s + " World";
}
},
system.dispatcher());
assertEquals("Hello World", Await.result(f2, timeout));
}