@Test
public void testTags() {
assumeTrue(isMainRun());
Topology t = newTopology();
TStream<String> s1 = t.strings("3");
TStream<String> s2 = t.strings("3");
TStream<String> s3 = t.strings("3");
s1.addResourceTags();
assertNull(getResourceTags(s1));
s2.addResourceTags("A", "B");
Set<String> s2s = getResourceTags(s2);
assertEquals(2, s2s.size());
assertTrue(s2s.contains("A"));
assertTrue(s2s.contains("B"));
s3.addResourceTags("C", "D", "E");
Set<String> s3s = getResourceTags(s3);
assertEquals(3, s3s.size());
assertTrue(s3s.contains("C"));
assertTrue(s3s.contains("D"));
assertTrue(s3s.contains("E"));
s2s = getResourceTags(s2);
assertEquals(2, s2s.size());
assertTrue(s2s.contains("A"));
assertTrue(s2s.contains("B"));
s2.addResourceTags("X", "Y");
s2s = getResourceTags(s2);
assertEquals(4, s2s.size());
assertTrue(s2s.contains("A"));
assertTrue(s2s.contains("B"));
assertTrue(s2s.contains("X"));
assertTrue(s2s.contains("Y"));
// Colocating means the s1 will inherit
// s3 resource tags
s1.colocate(s3);
Set<String> s1s = getResourceTags(s1);
assertEquals(3, s1s.size());
assertTrue(s1s.contains("C"));
assertTrue(s1s.contains("D"));
assertTrue(s1s.contains("E"));
}
/**
* Test with a distributed execution with explicit colocation of two functions end up on the same
* container.
*/
@Test
@Ignore("Need to figure out how to get the tags set by the test") // TODO
public void testSimpleDistributedHostTags() throws Exception {
assumeTrue(SC_OK);
assumeTrue(getTesterType() == StreamsContext.Type.DISTRIBUTED_TESTER);
Topology t = newTopology();
TStream<String> sa = t.strings("a");
sa.addResourceTags("application");
sa = sa.filter(new AllowAll<String>());
sa.addResourceTags("application");
getConfig().put(ContextProperties.KEEP_ARTIFACTS, Boolean.TRUE);
Condition<List<String>> aout = t.getTester().stringContents(sa, "a");
complete(t.getTester(), aout, 10, TimeUnit.SECONDS);
assertTrue(aout.getResult().toString(), aout.valid());
}