--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.cluster.datastore;
+
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.anyDouble;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import com.codahale.metrics.Snapshot;
+import com.codahale.metrics.Timer;
+import java.util.concurrent.TimeUnit;
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Matchers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+
+public class TransactionRateLimitingCommitCallbackTest {
+
+ @Mock
+ public ActorContext actorContext;
+
+ @Mock
+ public DatastoreContext datastoreContext;
+
+ @Mock
+ public Timer commitTimer;
+
+ @Mock
+ private Timer.Context commitTimerContext;
+
+ @Mock
+ private Snapshot commitSnapshot;
+
+ @Before
+ public void setUp(){
+ MockitoAnnotations.initMocks(this);
+ doReturn(datastoreContext).when(actorContext).getDatastoreContext();
+ doReturn(30).when(datastoreContext).getShardTransactionCommitTimeoutInSeconds();
+ doReturn(commitTimer).when(actorContext).getOperationTimer("commit");
+ doReturn(commitTimerContext).when(commitTimer).time();
+ doReturn(commitSnapshot).when(commitTimer).getSnapshot();
+ }
+
+ @Test
+ public void testSuccess(){
+
+ for(int i=1;i<11;i++){
+ // Keep on increasing the amount of time it takes to complete transaction for each tenth of a
+ // percentile. Essentially this would be 1ms for the 10th percentile, 2ms for 20th percentile and so on.
+ doReturn(TimeUnit.MILLISECONDS.toNanos(i) * 1D).when(commitSnapshot).getValue(i * 0.1);
+ }
+
+
+ TransactionRateLimitingCallback commitCallback = new TransactionRateLimitingCallback(actorContext);
+ commitCallback.run();
+ commitCallback.success();
+
+ verify(actorContext).setTxCreationLimit(Matchers.doubleThat(approximately(292)));
+
+ doReturn(TimeUnit.MILLISECONDS.toNanos(0) * 1D).when(commitSnapshot).getValue(0.1);
+
+ commitCallback = new TransactionRateLimitingCallback(actorContext);
+ commitCallback.run();
+ commitCallback.success();
+
+ verify(actorContext).setTxCreationLimit(Matchers.doubleThat(approximately(292)));
+ }
+
+ @Test
+ public void testSuccessPercentileValueZero(){
+
+ for(int i=1;i<11;i++){
+ // Keep on increasing the amount of time it takes to complete transaction for each tenth of a
+ // percentile. Essentially this would be 1ms for the 10th percentile, 2ms for 20th percentile and so on.
+ doReturn(TimeUnit.MILLISECONDS.toNanos(i) * 1D).when(commitSnapshot).getValue(i * 0.1);
+ }
+
+ doReturn(TimeUnit.MILLISECONDS.toNanos(0) * 1D).when(commitSnapshot).getValue(0.1);
+
+ TransactionRateLimitingCallback commitCallback = new TransactionRateLimitingCallback(actorContext);
+ commitCallback.run();
+ commitCallback.success();
+
+ verify(actorContext).setTxCreationLimit(Matchers.doubleThat(approximately(192)));
+ }
+
+ @Test
+ public void testSuccessOnePercentileValueVeryHigh(){
+
+ for(int i=1;i<11;i++){
+ // Keep on increasing the amount of time it takes to complete transaction for each tenth of a
+ // percentile. Essentially this would be 1ms for the 10th percentile, 2ms for 20th percentile and so on.
+ doReturn(TimeUnit.MILLISECONDS.toNanos(i) * 1D).when(commitSnapshot).getValue(i * 0.1);
+ }
+
+ // ten seconds
+ doReturn(TimeUnit.MILLISECONDS.toNanos(10000) * 1D).when(commitSnapshot).getValue(1.0);
+
+ TransactionRateLimitingCallback commitCallback = new TransactionRateLimitingCallback(actorContext);
+ commitCallback.run();
+ commitCallback.success();
+
+ verify(actorContext).setTxCreationLimit(Matchers.doubleThat(approximately(282)));
+ }
+
+ @Test
+ public void testSuccessWithAllPercentileValueVeryHigh(){
+
+ for(int i=1;i<11;i++){
+ // Keep on increasing the amount of time it takes to complete transaction for each tenth of a
+ // percentile. Essentially this would be 1ms for the 10th percentile, 2ms for 20th percentile and so on.
+ doReturn(TimeUnit.MILLISECONDS.toNanos(10000) * 1D).when(commitSnapshot).getValue(i * 0.1);
+ }
+
+ TransactionRateLimitingCallback commitCallback = new TransactionRateLimitingCallback(actorContext);
+ commitCallback.run();
+ commitCallback.success();
+
+ verify(actorContext).setTxCreationLimit(Matchers.doubleThat(approximately(0)));
+ }
+
+ @Test
+ public void testSuccessWithRealPercentileValues(){
+
+ for(int i=1;i<11;i++){
+ // Keep on increasing the amount of time it takes to complete transaction for each tenth of a
+ // percentile. Essentially this would be 1ms for the 10th percentile, 2ms for 20th percentile and so on.
+ doReturn(TimeUnit.MILLISECONDS.toNanos(8) * 1D).when(commitSnapshot).getValue(i * 0.1);
+ }
+
+ doReturn(TimeUnit.MILLISECONDS.toNanos(20) * 1D).when(commitSnapshot).getValue( 0.7);
+ doReturn(TimeUnit.MILLISECONDS.toNanos(100) * 1D).when(commitSnapshot).getValue( 0.9);
+ doReturn(TimeUnit.MILLISECONDS.toNanos(200) * 1D).when(commitSnapshot).getValue( 1.0);
+
+ TransactionRateLimitingCallback commitCallback = new TransactionRateLimitingCallback(actorContext);
+ commitCallback.run();
+ commitCallback.success();
+
+ verify(actorContext).setTxCreationLimit(Matchers.doubleThat(approximately(101)));
+ }
+
+
+ @Test
+ public void testSuccessWithoutRun(){
+ TransactionRateLimitingCallback commitCallback = new TransactionRateLimitingCallback(actorContext);
+
+ try {
+ commitCallback.success();
+ fail("Expected IllegalStateException");
+ } catch(IllegalStateException e){
+
+ }
+
+ verify(actorContext, never()).setTxCreationLimit(anyDouble());
+
+ }
+
+
+ @Test
+ public void testFailure(){
+ TransactionRateLimitingCallback commitCallback = new TransactionRateLimitingCallback(actorContext);
+ commitCallback.run();
+ commitCallback.failure();
+
+ verify(actorContext, never()).setTxCreationLimit(anyDouble());
+
+ }
+
+ public Matcher<Double> approximately(final double val){
+ return new BaseMatcher<Double>() {
+ @Override
+ public boolean matches(Object o) {
+ Double aDouble = (Double) o;
+ return aDouble > val && aDouble < val+1;
+ }
+
+ @Override
+ public void describeTo(Description description) {
+
+ }
+ };
+ }
+
+
+}
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Code Review / controller.git / blobdiff