/**
* Test with a distributed execution with explicit colocation of two functions end up on the same
* container.
*/
@Test
public void testSimpleDistributedColocate() throws Exception {
assumeTrue(SC_OK);
assumeTrue(getTesterType() == StreamsContext.Type.DISTRIBUTED_TESTER);
Topology t = newTopology();
TStream<String> sa = t.strings("a");
TStream<String> sb = t.strings("b");
sa = sa.transform(IsolateTest.getContainerId());
sb = sb.transform(IsolateTest.getContainerId());
sa.colocate(sb);
sa = sa.isolate().filter(new AllowAll<String>());
sb = sb.isolate().filter(new AllowAll<String>());
sa = sa.union(sb);
Condition<List<String>> pes = t.getTester().stringContents(sa, "");
Condition<Long> tc = t.getTester().tupleCount(sa, 2);
complete(t.getTester(), tc, 10, TimeUnit.SECONDS);
Set<String> singlePe = new HashSet<>(pes.getResult());
assertTrue(pes.getResult().toString(), singlePe.size() == 1);
}
@Test
public void testNonplaceable() {
assumeTrue(isMainRun());
Topology t = newTopology();
TStream<String> s1 = t.strings("3");
TStream<String> s2 = t.strings("3");
assertFalse(s1.union(s2).isPlaceable());
assertFalse(s1.isolate().isPlaceable());
TStream<String> sp = s1.parallel(3);
assertFalse(sp.isPlaceable());
assertFalse(sp.endParallel().isPlaceable());
}