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Separated CTrie as data structure from the rest of CTrieSubscriptionDirectory

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This commit is contained in:
andsel
2018-11-24 16:32:48 +01:00
parent f3daad5c28
commit 80daadff47
6 changed files with 327 additions and 285 deletions
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broker/src/test/java/io/moquette/broker/subscriptions/CTrieSubscriptionDirectoryMatchingTest.java
+22 -22
View File
@@ -25,7 +25,7 @@ import org.junit.Test;
import java.util.Optional;
import java.util.Set;
import static io.moquette.broker.subscriptions.CTrieSubscriptionDirectoryTest.clientSubOnTopic;
import static io.moquette.broker.subscriptions.CTrieTest.clientSubOnTopic;
import static io.moquette.broker.subscriptions.Topic.asTopic;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
@@ -48,25 +48,25 @@ public class CTrieSubscriptionDirectoryMatchingTest {
public void testMatchSimple() {
Subscription slashSub = clientSubOnTopic("TempSensor1", "/");
sut.add(slashSub);
assertThat(sut.recursiveMatch(asTopic("finance"), sut.root)).isEmpty();
assertThat(sut.matchWithoutQosSharpening(asTopic("finance"))).isEmpty();
Subscription slashFinanceSub = clientSubOnTopic("TempSensor1", "/finance");
sut.add(slashFinanceSub);
assertThat(sut.recursiveMatch(asTopic("finance"), sut.root)).isEmpty();
assertThat(sut.matchWithoutQosSharpening(asTopic("finance"))).isEmpty();
assertThat(sut.recursiveMatch(asTopic("/finance"), sut.root)).contains(slashFinanceSub);
assertThat(sut.recursiveMatch(asTopic("/"), sut.root)).contains(slashSub);
assertThat(sut.matchWithoutQosSharpening(asTopic("/finance"))).contains(slashFinanceSub);
assertThat(sut.matchWithoutQosSharpening(asTopic("/"))).contains(slashSub);
}
@Test
public void testMatchSimpleMulti() {
Subscription anySub = clientSubOnTopic("TempSensor1", "#");
sut.add(anySub);
assertThat(sut.recursiveMatch(asTopic("finance"), sut.root)).contains(anySub);
assertThat(sut.matchWithoutQosSharpening(asTopic("finance"))).contains(anySub);
Subscription financeAnySub = clientSubOnTopic("TempSensor1", "finance/#");
sut.add(financeAnySub);
assertThat(sut.recursiveMatch(asTopic("finance"), sut.root)).containsExactlyInAnyOrder(financeAnySub, anySub);
assertThat(sut.matchWithoutQosSharpening(asTopic("finance"))).containsExactlyInAnyOrder(financeAnySub, anySub);
}
@Test
@@ -77,9 +77,9 @@ public class CTrieSubscriptionDirectoryMatchingTest {
sut.add(financeAnySub);
// Verify
assertThat(sut.recursiveMatch(asTopic("finance/stock"), sut.root))
assertThat(sut.matchWithoutQosSharpening(asTopic("finance/stock")))
.containsExactlyInAnyOrder(financeAnySub, anySub);
assertThat(sut.recursiveMatch(asTopic("finance/stock/ibm"), sut.root))
assertThat(sut.matchWithoutQosSharpening(asTopic("finance/stock/ibm")))
.containsExactlyInAnyOrder(financeAnySub, anySub);
// System.out.println(sut.dumpTree());
}
@@ -90,18 +90,18 @@ public class CTrieSubscriptionDirectoryMatchingTest {
sut.add(financeAnySub);
// Verify
assertThat(sut.recursiveMatch(asTopic("finance/stock/ibm"), sut.root)).containsExactly(financeAnySub);
assertThat(sut.matchWithoutQosSharpening(asTopic("finance/stock/ibm"))).containsExactly(financeAnySub);
}
@Test
public void testMatchSimpleSingle() {
Subscription anySub = clientSubOnTopic("AnySensor", "+");
sut.add(anySub);
assertThat(sut.recursiveMatch(asTopic("finance"), sut.root)).containsExactly(anySub);
assertThat(sut.matchWithoutQosSharpening(asTopic("finance"))).containsExactly(anySub);
Subscription financeOne = clientSubOnTopic("AnySensor", "finance/+");
sut.add(financeOne);
assertThat(sut.recursiveMatch(asTopic("finance/stock"), sut.root)).containsExactly(financeOne);
assertThat(sut.matchWithoutQosSharpening(asTopic("finance/stock"))).containsExactly(financeOne);
}
@Test
@@ -110,7 +110,7 @@ public class CTrieSubscriptionDirectoryMatchingTest {
sut.add(manySub);
// verify
assertThat(sut.recursiveMatch(asTopic("/finance"), sut.root)).contains(manySub);
assertThat(sut.matchWithoutQosSharpening(asTopic("/finance"))).contains(manySub);
}
@Test
@@ -121,8 +121,8 @@ public class CTrieSubscriptionDirectoryMatchingTest {
sut.add(anySub);
// Verify
assertThat(sut.recursiveMatch(asTopic("/finance"), sut.root)).containsOnly(slashPlusSub);
assertThat(sut.recursiveMatch(asTopic("/finance"), sut.root)).doesNotContain(anySub);
assertThat(sut.matchWithoutQosSharpening(asTopic("/finance"))).containsOnly(slashPlusSub);
assertThat(sut.matchWithoutQosSharpening(asTopic("/finance"))).doesNotContain(anySub);
}
@Test
@@ -133,7 +133,7 @@ public class CTrieSubscriptionDirectoryMatchingTest {
sut.add(slashPlusDeepSub);
// Verify
assertThat(sut.recursiveMatch(asTopic("/finance/stock/ibm"), sut.root))
assertThat(sut.matchWithoutQosSharpening(asTopic("/finance/stock/ibm")))
.containsExactlyInAnyOrder(slashPlusSub, slashPlusDeepSub);
}
@@ -142,8 +142,8 @@ public class CTrieSubscriptionDirectoryMatchingTest {
Subscription sub = clientSubOnTopic("AnySensor1", "#");
sut.add(sub);
assertThat(sut.recursiveMatch(asTopic("finance"), sut.root)).isNotEmpty();
assertThat(sut.recursiveMatch(asTopic("finance/ibm"), sut.root)).isNotEmpty();
assertThat(sut.matchWithoutQosSharpening(asTopic("finance"))).isNotEmpty();
assertThat(sut.matchWithoutQosSharpening(asTopic("finance/ibm"))).isNotEmpty();
}
@Test
@@ -178,7 +178,7 @@ public class CTrieSubscriptionDirectoryMatchingTest {
Subscription sub = clientSubOnTopic("AnySensor1", s);
sut.add(sub);
assertThat(sut.recursiveMatch(asTopic(t), sut.root)).isNotEmpty();
assertThat(sut.matchWithoutQosSharpening(asTopic(t))).isNotEmpty();
}
private void assertNotMatch(String subscription, String topic) {
@@ -189,7 +189,7 @@ public class CTrieSubscriptionDirectoryMatchingTest {
Subscription sub = clientSubOnTopic("AnySensor1", subscription);
sut.add(sub);
assertThat(sut.recursiveMatch(asTopic(topic), sut.root)).isEmpty();
assertThat(sut.matchWithoutQosSharpening(asTopic(topic))).isEmpty();
}
@Test
@@ -220,7 +220,7 @@ public class CTrieSubscriptionDirectoryMatchingTest {
sut.removeSubscription(asTopic("/topic"), slashSub2.clientId);
// Verify
Subscription remainedSubscription = sut.recursiveMatch(asTopic("/topic"), sut.root).iterator().next();
Subscription remainedSubscription = sut.matchWithoutQosSharpening(asTopic("/topic")).iterator().next();
assertThat(remainedSubscription.clientId).isEqualTo(slashSub.clientId);
assertEquals(slashSub.clientId, remainedSubscription.clientId);
}
@@ -234,7 +234,7 @@ public class CTrieSubscriptionDirectoryMatchingTest {
sut.removeSubscription(asTopic("/topic"), slashSub.clientId);
// Verify
final Set<Subscription> matchingSubscriptions = sut.recursiveMatch(asTopic("/topic"), sut.root);
final Set<Subscription> matchingSubscriptions = sut.matchWithoutQosSharpening(asTopic("/topic"));
assertThat(matchingSubscriptions).isEmpty();
}
broker/src/test/java/io/moquette/broker/subscriptions/CTrieSubscriptionDirectoryTest.java → broker/src/test/java/io/moquette/broker/subscriptions/CTrieTest.java
+61 -65
View File
@@ -16,8 +16,6 @@
package io.moquette.broker.subscriptions;
import io.moquette.broker.ISubscriptionsRepository;
import io.moquette.persistence.MemorySubscriptionsRepository;
import io.netty.handler.codec.mqtt.MqttQoS;
import org.junit.Before;
import org.junit.Test;
@@ -30,21 +28,19 @@ import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class CTrieSubscriptionDirectoryTest {
public class CTrieTest {
private CTrieSubscriptionDirectory sut;
private CTrie sut;
@Before
public void setUp() {
sut = new CTrieSubscriptionDirectory();
ISubscriptionsRepository sessionsRepository = new MemorySubscriptionsRepository();
sut.init(sessionsRepository);
sut = new CTrie();
}
@Test
public void testAddOnSecondLayerWithEmptyTokenOnEmptyTree() {
//Exercise
sut.add(clientSubOnTopic("TempSensor1", "/"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/"));
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/"));
@@ -65,7 +61,7 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testAddFirstLayerNodeOnEmptyTree() {
//Exercise
sut.add(clientSubOnTopic("TempSensor1", "/temp"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/temp"));
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/temp"));
@@ -76,7 +72,7 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testLookup() {
final Subscription existingSubscription = clientSubOnTopic("TempSensor1", "/temp");
sut.add(existingSubscription);
sut.addToTree(existingSubscription);
//Exercise
final Optional<CNode> matchedNode = sut.lookup(asTopic("/humidity"));
@@ -88,11 +84,11 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testAddNewSubscriptionOnExistingNode() {
final Subscription existingSubscription = clientSubOnTopic("TempSensor1", "/temp");
sut.add(existingSubscription);
sut.addToTree(existingSubscription);
//Exercise
final Subscription newSubscription = clientSubOnTopic("TempSensor2", "/temp");
sut.add(newSubscription);
sut.addToTree(newSubscription);
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/temp"));
@@ -103,11 +99,11 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testAddNewDeepNodes() {
sut.add(clientSubOnTopic("TempSensorRM", "/italy/roma/temp"));
sut.add(clientSubOnTopic("TempSensorFI", "/italy/firenze/temp"));
sut.add(clientSubOnTopic("HumSensorFI", "/italy/roma/humidity"));
sut.addToTree(clientSubOnTopic("TempSensorRM", "/italy/roma/temp"));
sut.addToTree(clientSubOnTopic("TempSensorFI", "/italy/firenze/temp"));
sut.addToTree(clientSubOnTopic("HumSensorFI", "/italy/roma/humidity"));
final Subscription happinessSensor = clientSubOnTopic("HappinessSensor", "/italy/happiness");
sut.add(happinessSensor);
sut.addToTree(happinessSensor);
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/italy/happiness"));
@@ -122,10 +118,10 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void givenTreeWithSomeNodeWhenRemoveContainedSubscriptionThenNodeIsUpdated() {
sut.add(clientSubOnTopic("TempSensor1", "/temp"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/temp"));
//Exercise
sut.removeSubscription(asTopic("/temp"), "TempSensor1");
sut.removeFromTree(asTopic("/temp"), "TempSensor1");
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/temp"));
@@ -134,22 +130,22 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void givenTreeWithSomeNodeUnsubscribeAndResubscribeCleanTomb() {
sut.add(clientSubOnTopic("TempSensor1", "test"));
sut.removeSubscription(asTopic("test"), "TempSensor1");
sut.addToTree(clientSubOnTopic("TempSensor1", "test"));
sut.removeFromTree(asTopic("test"), "TempSensor1");
sut.add(clientSubOnTopic("TempSensor1", "test"));
sut.addToTree(clientSubOnTopic("TempSensor1", "test"));
assertTrue(sut.root.mainNode().allChildren().size() == 1); // looking to see if TNode is cleaned up
}
@Test
public void givenTreeWithSomeNodeWhenRemoveMultipleTimes() {
sut.add(clientSubOnTopic("TempSensor1", "test"));
sut.addToTree(clientSubOnTopic("TempSensor1", "test"));
// make sure no TNode exceptions
sut.removeSubscription(asTopic("test"), "TempSensor1");
sut.removeSubscription(asTopic("test"), "TempSensor1");
sut.removeSubscription(asTopic("test"), "TempSensor1");
sut.removeSubscription(asTopic("test"), "TempSensor1");
sut.removeFromTree(asTopic("test"), "TempSensor1");
sut.removeFromTree(asTopic("test"), "TempSensor1");
sut.removeFromTree(asTopic("test"), "TempSensor1");
sut.removeFromTree(asTopic("test"), "TempSensor1");
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/temp"));
@@ -158,12 +154,12 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void givenTreeWithSomeDeepNodeWhenRemoveMultipleTimes() {
sut.add(clientSubOnTopic("TempSensor1", "/test/me/1/2/3"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/test/me/1/2/3"));
// make sure no TNode exceptions
sut.removeSubscription(asTopic("/test/me/1/2/3"), "TempSensor1");
sut.removeSubscription(asTopic("/test/me/1/2/3"), "TempSensor1");
sut.removeSubscription(asTopic("/test/me/1/2/3"), "TempSensor1");
sut.removeFromTree(asTopic("/test/me/1/2/3"), "TempSensor1");
sut.removeFromTree(asTopic("/test/me/1/2/3"), "TempSensor1");
sut.removeFromTree(asTopic("/test/me/1/2/3"), "TempSensor1");
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/temp"));
@@ -172,14 +168,14 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void givenTreeWithSomeNodeHierarchWhenRemoveContainedSubscriptionThenNodeIsUpdated() {
sut.add(clientSubOnTopic("TempSensor1", "/temp/1"));
sut.add(clientSubOnTopic("TempSensor1", "/temp/2"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/temp/1"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/temp/2"));
//Exercise
sut.removeSubscription(asTopic("/temp/1"), "TempSensor1");
sut.removeFromTree(asTopic("/temp/1"), "TempSensor1");
sut.removeSubscription(asTopic("/temp/1"), "TempSensor1");
final Set<Subscription> matchingSubs = sut.recursiveMatch(asTopic("/temp/2"), sut.root);
sut.removeFromTree(asTopic("/temp/1"), "TempSensor1");
final Set<Subscription> matchingSubs = sut.recursiveMatch(asTopic("/temp/2"));
//Verify
final Subscription expectedMatchingsub = new Subscription("TempSensor1", asTopic("/temp/2"), MqttQoS.AT_MOST_ONCE);
@@ -188,14 +184,14 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void givenTreeWithSomeNodeHierarchWhenRemoveContainedSubscriptionSmallerThenNodeIsNotUpdated() {
sut.add(clientSubOnTopic("TempSensor1", "/temp/1"));
sut.add(clientSubOnTopic("TempSensor1", "/temp/2"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/temp/1"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/temp/2"));
//Exercise
sut.removeSubscription(asTopic("/temp"), "TempSensor1");
sut.removeFromTree(asTopic("/temp"), "TempSensor1");
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("/temp/1"), sut.root);
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("/temp/2"), sut.root);
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("/temp/1"));
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("/temp/2"));
//Verify
// not clear to me, but I believe /temp unsubscribe should not unsub you from downstream /temp/1 or /temp/2
@@ -207,9 +203,9 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void givenTreeWithDeepNodeWhenRemoveContainedSubscriptionThenNodeIsUpdated() {
sut.add(clientSubOnTopic("TempSensor1", "/bah/bin/bash"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/bah/bin/bash"));
sut.removeSubscription(asTopic("/bah/bin/bash"), "TempSensor1");
sut.removeFromTree(asTopic("/bah/bin/bash"), "TempSensor1");
//Verify
final Optional<CNode> matchedNode = sut.lookup(asTopic("/bah/bin/bash"));
@@ -218,10 +214,10 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testMatchSubscriptionNoWildcards() {
sut.add(clientSubOnTopic("TempSensor1", "/temp"));
sut.addToTree(clientSubOnTopic("TempSensor1", "/temp"));
//Exercise
final Set<Subscription> matchingSubs = sut.recursiveMatch(asTopic("/temp"), sut.root);
final Set<Subscription> matchingSubs = sut.recursiveMatch(asTopic("/temp"));
//Verify
final Subscription expectedMatchingsub = new Subscription("TempSensor1", asTopic("/temp"), MqttQoS.AT_MOST_ONCE);
@@ -230,12 +226,12 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testRemovalInnerTopicOffRootSameClient() {
sut.add(clientSubOnTopic("TempSensor1", "temp"));
sut.add(clientSubOnTopic("TempSensor1", "temp/1"));
sut.addToTree(clientSubOnTopic("TempSensor1", "temp"));
sut.addToTree(clientSubOnTopic("TempSensor1", "temp/1"));
//Exercise
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("temp"), sut.root);
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("temp/1"), sut.root);
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("temp"));
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("temp/1"));
//Verify
final Subscription expectedMatchingsub1 = new Subscription("TempSensor1", asTopic("temp"), MqttQoS.AT_MOST_ONCE);
@@ -244,11 +240,11 @@ public class CTrieSubscriptionDirectoryTest {
assertThat(matchingSubs1).contains(expectedMatchingsub1);
assertThat(matchingSubs2).contains(expectedMatchingsub2);
sut.removeSubscription(asTopic("temp"), "TempSensor1");
sut.removeFromTree(asTopic("temp"), "TempSensor1");
//Exercise
final Set<Subscription> matchingSubs3 = sut.recursiveMatch(asTopic("temp"), sut.root);
final Set<Subscription> matchingSubs4 = sut.recursiveMatch(asTopic("temp/1"), sut.root);
final Set<Subscription> matchingSubs3 = sut.recursiveMatch(asTopic("temp"));
final Set<Subscription> matchingSubs4 = sut.recursiveMatch(asTopic("temp/1"));
assertThat(matchingSubs3).doesNotContain(expectedMatchingsub1);
assertThat(matchingSubs4).contains(expectedMatchingsub2);
@@ -256,12 +252,12 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testRemovalInnerTopicOffRootDiffClient() {
sut.add(clientSubOnTopic("TempSensor1", "temp"));
sut.add(clientSubOnTopic("TempSensor2", "temp/1"));
sut.addToTree(clientSubOnTopic("TempSensor1", "temp"));
sut.addToTree(clientSubOnTopic("TempSensor2", "temp/1"));
//Exercise
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("temp"), sut.root);
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("temp/1"), sut.root);
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("temp"));
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("temp/1"));
//Verify
final Subscription expectedMatchingsub1 = new Subscription("TempSensor1", asTopic("temp"), MqttQoS.AT_MOST_ONCE);
@@ -270,11 +266,11 @@ public class CTrieSubscriptionDirectoryTest {
assertThat(matchingSubs1).contains(expectedMatchingsub1);
assertThat(matchingSubs2).contains(expectedMatchingsub2);
sut.removeSubscription(asTopic("temp"), "TempSensor1");
sut.removeFromTree(asTopic("temp"), "TempSensor1");
//Exercise
final Set<Subscription> matchingSubs3 = sut.recursiveMatch(asTopic("temp"), sut.root);
final Set<Subscription> matchingSubs4 = sut.recursiveMatch(asTopic("temp/1"), sut.root);
final Set<Subscription> matchingSubs3 = sut.recursiveMatch(asTopic("temp"));
final Set<Subscription> matchingSubs4 = sut.recursiveMatch(asTopic("temp/1"));
assertThat(matchingSubs3).doesNotContain(expectedMatchingsub1);
assertThat(matchingSubs4).contains(expectedMatchingsub2);
@@ -282,12 +278,12 @@ public class CTrieSubscriptionDirectoryTest {
@Test
public void testRemovalOuterTopicOffRootDiffClient() {
sut.add(clientSubOnTopic("TempSensor1", "temp"));
sut.add(clientSubOnTopic("TempSensor2", "temp/1"));
sut.addToTree(clientSubOnTopic("TempSensor1", "temp"));
sut.addToTree(clientSubOnTopic("TempSensor2", "temp/1"));
//Exercise
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("temp"), sut.root);
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("temp/1"), sut.root);
final Set<Subscription> matchingSubs1 = sut.recursiveMatch(asTopic("temp"));
final Set<Subscription> matchingSubs2 = sut.recursiveMatch(asTopic("temp/1"));
//Verify
final Subscription expectedMatchingsub1 = new Subscription("TempSensor1", asTopic("temp"), MqttQoS.AT_MOST_ONCE);
@@ -296,11 +292,11 @@ public class CTrieSubscriptionDirectoryTest {
assertThat(matchingSubs1).contains(expectedMatchingsub1);
assertThat(matchingSubs2).contains(expectedMatchingsub2);
sut.removeSubscription(asTopic("temp/1"), "TempSensor2");
sut.removeFromTree(asTopic("temp/1"), "TempSensor2");
//Exercise
final Set<Subscription> matchingSubs3 = sut.recursiveMatch(asTopic("temp"), sut.root);
final Set<Subscription> matchingSubs4 = sut.recursiveMatch(asTopic("temp/1"), sut.root);
final Set<Subscription> matchingSubs3 = sut.recursiveMatch(asTopic("temp"));
final Set<Subscription> matchingSubs4 = sut.recursiveMatch(asTopic("temp/1"));
assertThat(matchingSubs3).contains(expectedMatchingsub1);
assertThat(matchingSubs4).doesNotContain(expectedMatchingsub2);