dlmarion commented on code in PR #5256:
URL: https://github.com/apache/accumulo/pull/5256#discussion_r1929607254
##########
core/src/test/java/org/apache/accumulo/core/zookeeper/ZooCacheTest.java:
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@@ -16,86 +16,118 @@
* specific language governing permissions and limitations
* under the License.
*/
-package org.apache.accumulo.core.fate.zookeeper;
+package org.apache.accumulo.core.zookeeper;
-import static org.easymock.EasyMock.anyObject;
-import static org.easymock.EasyMock.capture;
import static org.easymock.EasyMock.createStrictMock;
-import static org.easymock.EasyMock.eq;
import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.isA;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.util.List;
+import java.util.Set;
+import java.util.UUID;
-import org.apache.accumulo.core.fate.zookeeper.ZooCache.ZcStat;
-import org.apache.accumulo.core.fate.zookeeper.ZooCache.ZooCacheWatcher;
-import org.apache.accumulo.core.zookeeper.ZooSession;
+import org.apache.accumulo.core.Constants;
+import org.apache.accumulo.core.zookeeper.ZooCache.ZooCacheWatcher;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.data.Stat;
-import org.easymock.Capture;
-import org.easymock.EasyMock;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
public class ZooCacheTest {
- private static final String ZPATH = "/some/path/in/zk";
+
+ /**
+ * Test class that extends ZooCache to suppress the creation of the
persistent recursive watchers
+ * that are created in the constructor and to provide access to the watcher.
+ */
+ private static class TestZooCache extends ZooCache {
+
+ public TestZooCache(ZooSession zk, Set<String> pathsToWatch) {
+ super(zk, pathsToWatch);
+ }
+
+ @Override
+ protected void setupWatchers() {
+ clear();
+ }
+
+ public void executeWatcher(WatchedEvent event) {
+ // simulate ZooKeeper calling our Watcher
+ watcher.process(event);
+ }
+
+ @Override
+ long getZKClientObjectVersion() {
+ return 1L;
+ }
+
+ }
+
+ private static final String root =
+ Constants.ZROOT + "/" + UUID.randomUUID().toString() +
Constants.ZTSERVERS;
+ private static final String ZPATH = root + "/testPath";
private static final byte[] DATA = {(byte) 1, (byte) 2, (byte) 3, (byte) 4};
private static final List<String> CHILDREN = java.util.Arrays.asList("huey",
"dewey", "louie");
private ZooSession zk;
- private ZooCache zc;
+ private TestZooCache zc;
@BeforeEach
public void setUp() {
zk = createStrictMock(ZooSession.class);
- zc = new ZooCache(zk);
+ zc = new TestZooCache(zk, Set.of(root));
}
+ @SuppressWarnings("unchecked")
@Test
- public void testGet() throws Exception {
- testGet(false);
+ public void testOverlappingPaths() throws Exception {
+ expect(zk.getConnectionCounter()).andReturn(2L).times(2);
+ zk.addPersistentRecursiveWatchers(isA(Set.class), isA(Watcher.class));
+ replay(zk);
+ assertThrows(IllegalArgumentException.class,
+ () -> new ZooCache(zk, Set.of(root, root + "/localhost:9995")));
+
+ Set<String> goodPaths =
Set.of("/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/compactors",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/dead/tservers",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/gc/lock",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/managers/lock",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/namespaces",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/recovery",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/root_tablet",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/sservers",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/tables",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/tservers",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/users",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/mini",
+ "/accumulo/8247eee6-a176-4e19-baf7-e3da965fe050/monitor/lock");
+ new ZooCache(zk, goodPaths);
+ verify(zk);
Review Comment:
Added test for unwatched paths in ddeee6b
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