Implement DOMDataTreeChangeListener.onInitialData
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / test / java / org / opendaylight / controller / cluster / datastore / utils / MockDataTreeChangeListener.java
index 4be431554118484f6760a0e78f72f0f82bfba86d..de41609ba178e41bab48bc8530eff491cdfe2e26 100644 (file)
@@ -9,34 +9,43 @@ package org.opendaylight.controller.cluster.datastore.utils;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
-import com.google.common.collect.Lists;
 import com.google.common.util.concurrent.Uninterruptibles;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Optional;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
 import javax.annotation.Nonnull;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
 
 public class MockDataTreeChangeListener implements DOMDataTreeChangeListener {
 
-    private final List<DataTreeCandidate> changeList = Lists.newArrayList();
+    private final List<DataTreeCandidate> changeList = new ArrayList<>();
+
+    private final CountDownLatch onInitialDataLatch = new CountDownLatch(1);
+    private final AtomicInteger onInitialDataEventCount = new AtomicInteger();
 
     private volatile CountDownLatch changeLatch;
     private int expChangeEventCount;
 
-    public MockDataTreeChangeListener(int expChangeEventCount) {
+    public MockDataTreeChangeListener(final int expChangeEventCount) {
         reset(expChangeEventCount);
     }
 
-    public void reset(int newExpChangeEventCount) {
+    public void reset(final int newExpChangeEventCount) {
         changeLatch = new CountDownLatch(newExpChangeEventCount);
         this.expChangeEventCount = newExpChangeEventCount;
         synchronized (changeList) {
@@ -54,15 +63,66 @@ public class MockDataTreeChangeListener implements DOMDataTreeChangeListener {
         }
     }
 
-    public void waitForChangeEvents() {
+    @Override
+    public void onInitialData() {
+        onInitialDataEventCount.incrementAndGet();
+        onInitialDataLatch.countDown();
+    }
+
+    public void verifyOnInitialDataEvent() {
+        assertTrue("onInitialData was not triggered",
+                Uninterruptibles.awaitUninterruptibly(onInitialDataLatch, 5, TimeUnit.SECONDS));
+        assertEquals("onInitialDataEventCount", 1, onInitialDataEventCount.get());
+    }
+
+    public void verifyNoOnInitialDataEvent() {
+        assertFalse("onInitialData was triggered unexpectedly",
+                Uninterruptibles.awaitUninterruptibly(onInitialDataLatch, 500, TimeUnit.MILLISECONDS));
+    }
+
+    @SuppressWarnings({ "unchecked", "rawtypes" })
+    public void waitForChangeEvents(final YangInstanceIdentifier... expPaths) {
         boolean done = Uninterruptibles.awaitUninterruptibly(changeLatch, 5, TimeUnit.SECONDS);
         if (!done) {
             fail(String.format("Missing change notifications. Expected: %d. Actual: %d",
                     expChangeEventCount, expChangeEventCount - changeLatch.getCount()));
         }
+
+        for (int i = 0; i < expPaths.length; i++) {
+            final DataTreeCandidate candidate = changeList.get(i);
+            final Optional<NormalizedNode<?, ?>> maybeDataAfter = candidate.getRootNode().getDataAfter();
+            if (!maybeDataAfter.isPresent()) {
+                fail(String.format("Change %d does not contain data after. Actual: %s", i + 1,
+                        candidate.getRootNode()));
+            }
+
+            final NormalizedNode<?, ?> dataAfter = maybeDataAfter.get();
+            final Optional<YangInstanceIdentifier> relativePath = expPaths[i].relativeTo(candidate.getRootPath());
+            if (!relativePath.isPresent()) {
+                assertEquals(String.format("Change %d does not contain %s. Actual: %s", i + 1, expPaths[i],
+                        dataAfter), expPaths[i].getLastPathArgument(), dataAfter.getIdentifier());
+            } else {
+                NormalizedNode<?, ?> nextChild = dataAfter;
+                for (PathArgument pathArg: relativePath.get().getPathArguments()) {
+                    boolean found = false;
+                    if (nextChild instanceof NormalizedNodeContainer) {
+                        Optional<NormalizedNode<?, ?>> maybeChild = ((NormalizedNodeContainer)nextChild)
+                                .getChild(pathArg);
+                        if (maybeChild.isPresent()) {
+                            found = true;
+                            nextChild = maybeChild.get();
+                        }
+                    }
+
+                    if (!found) {
+                        fail(String.format("Change %d does not contain %s. Actual: %s", i + 1, expPaths[i], dataAfter));
+                    }
+                }
+            }
+        }
     }
 
-    public void verifyNotifiedData(YangInstanceIdentifier... paths) {
+    public void verifyNotifiedData(final YangInstanceIdentifier... paths) {
         Set<YangInstanceIdentifier> pathSet = new HashSet<>(Arrays.asList(paths));
         synchronized (changeList) {
             for (DataTreeCandidate c : changeList) {
@@ -75,14 +135,14 @@ public class MockDataTreeChangeListener implements DOMDataTreeChangeListener {
         }
     }
 
-    public void expectNoMoreChanges(String assertMsg) {
+    public void expectNoMoreChanges(final String assertMsg) {
         Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
         synchronized (changeList) {
             assertEquals(assertMsg, expChangeEventCount, changeList.size());
         }
     }
 
-    public void verifyNoNotifiedData(YangInstanceIdentifier... paths) {
+    public void verifyNoNotifiedData(final YangInstanceIdentifier... paths) {
         Set<YangInstanceIdentifier> pathSet = new HashSet<>(Arrays.asList(paths));
         synchronized (changeList) {
             for (DataTreeCandidate c : changeList) {