/** @throws Exception If failed. */ public void testClientAffinity() throws Exception { GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME); Collection<Object> keys = new ArrayList<>(); keys.addAll(Arrays.asList(Boolean.TRUE, Boolean.FALSE, 1, Integer.MAX_VALUE)); Random rnd = new Random(); StringBuilder sb = new StringBuilder(); // Generate some random strings. for (int i = 0; i < 100; i++) { sb.setLength(0); for (int j = 0; j < 255; j++) // Only printable ASCII symbols for test. sb.append((char) (rnd.nextInt(0x7f - 0x20) + 0x20)); keys.add(sb.toString()); } // Generate some more keys to achieve better coverage. for (int i = 0; i < 100; i++) keys.add(UUID.randomUUID()); for (Object key : keys) { UUID nodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id(); UUID clientNodeId = partitioned.affinity(key); assertEquals( "Invalid affinity mapping for REST response for key: " + key, nodeId, clientNodeId); } }
static String outputOf(Reader r) throws IOException { final StringBuilder sb = new StringBuilder(); final char[] buf = new char[1024]; int n; while ((n = r.read(buf)) > 0) sb.append(buf, 0, n); return sb.toString(); }