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DefaultSubscriptionRegistry uses deep LinkedMultiValueMap copies between accessCache and updateCache

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Also backported CopyOnWriteArraySet use from 4.2, for defensive iteration over registered subscriptions.

Issue: SPR-13185
This commit is contained in:
Juergen Hoeller
2015-07-07 02:08:39 +02:00
parent 3eb54cc0b3
commit ca9beeac9d
2 changed files with 73 additions and 61 deletions
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108
spring-messaging/src/test/java/org/springframework/messaging/simp/broker/DefaultSubscriptionRegistryTests.java
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@@ -34,25 +34,19 @@ import static org.junit.Assert.*;
/**
* Test fixture for {@link org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry}.
* Test fixture for
* {@link org.springframework.messaging.simp.broker.DefaultSubscriptionRegistry}.
*
* @author Rossen Stoyanchev
* @author Sebastien Deleuze
*/
public class DefaultSubscriptionRegistryTests {
private DefaultSubscriptionRegistry registry;
@Before
public void setup() {
this.registry = new DefaultSubscriptionRegistry();
}
private final DefaultSubscriptionRegistry registry = new DefaultSubscriptionRegistry();
@Test
public void registerSubscriptionInvalidInput() {
String sessId = "sess01";
String subsId = "subs01";
String dest = "/foo";
@@ -69,7 +63,6 @@ public class DefaultSubscriptionRegistryTests {
@Test
public void registerSubscription() {
String sessId = "sess01";
String subsId = "subs01";
String dest = "/foo";
@@ -83,7 +76,6 @@ public class DefaultSubscriptionRegistryTests {
@Test
public void registerSubscriptionOneSession() {
String sessId = "sess01";
List<String> subscriptionIds = Arrays.asList("subs01", "subs02", "subs03");
String dest = "/foo";
@@ -93,14 +85,12 @@ public class DefaultSubscriptionRegistryTests {
}
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message(dest));
assertEquals("Expected one element " + actual, 1, actual.size());
assertEquals(subscriptionIds, sort(actual.get(sessId)));
}
@Test
public void registerSubscriptionMultipleSessions() {
List<String> sessIds = Arrays.asList("sess01", "sess02", "sess03");
List<String> subscriptionIds = Arrays.asList("subs01", "subs02", "subs03");
String dest = "/foo";
@@ -112,7 +102,6 @@ public class DefaultSubscriptionRegistryTests {
}
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message(dest));
assertEquals("Expected three elements " + actual, 3, actual.size());
assertEquals(subscriptionIds, sort(actual.get(sessIds.get(0))));
assertEquals(subscriptionIds, sort(actual.get(sessIds.get(1))));
@@ -121,22 +110,18 @@ public class DefaultSubscriptionRegistryTests {
@Test
public void registerSubscriptionWithDestinationPattern() {
String sessId = "sess01";
String subsId = "subs01";
String destPattern = "/topic/PRICE.STOCK.*.IBM";
String dest = "/topic/PRICE.STOCK.NASDAQ.IBM";
this.registry.registerSubscription(subscribeMessage(sessId, subsId, destPattern));
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message(dest));
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message(dest));
assertEquals("Expected one element " + actual, 1, actual.size());
assertEquals(Arrays.asList(subsId), actual.get(sessId));
}
// SPR-11657
@Test
@Test // SPR-11657
public void registerSubscriptionsWithSimpleAndPatternDestinations() {
String sess1 = "sess01";
@@ -148,6 +133,7 @@ public class DefaultSubscriptionRegistryTests {
this.registry.registerSubscription(subscribeMessage(sess1, subs2, "/topic/PRICE.STOCK.NASDAQ.IBM"));
this.registry.registerSubscription(subscribeMessage(sess1, subs1, "/topic/PRICE.STOCK.*.IBM"));
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message("/topic/PRICE.STOCK.NASDAQ.IBM"));
assertEquals(1, actual.size());
assertEquals(Arrays.asList(subs2, subs1), actual.get(sess1));
@@ -155,44 +141,47 @@ public class DefaultSubscriptionRegistryTests {
this.registry.registerSubscription(subscribeMessage(sess2, subs1, "/topic/PRICE.STOCK.NASDAQ.IBM"));
this.registry.registerSubscription(subscribeMessage(sess2, subs2, "/topic/PRICE.STOCK.NYSE.IBM"));
this.registry.registerSubscription(subscribeMessage(sess2, subs3, "/topic/PRICE.STOCK.NASDAQ.GOOG"));
actual = this.registry.findSubscriptions(message("/topic/PRICE.STOCK.NASDAQ.IBM"));
assertEquals(2, actual.size());
assertEquals(Arrays.asList(subs2, subs1), actual.get(sess1));
assertEquals(Arrays.asList(subs1), actual.get(sess2));
this.registry.unregisterAllSubscriptions(sess1);
actual = this.registry.findSubscriptions(message("/topic/PRICE.STOCK.NASDAQ.IBM"));
assertEquals(1, actual.size());
assertEquals(Arrays.asList(subs1), actual.get(sess2));
this.registry.registerSubscription(subscribeMessage(sess1, subs1, "/topic/PRICE.STOCK.*.IBM"));
this.registry.registerSubscription(subscribeMessage(sess1, subs2, "/topic/PRICE.STOCK.NASDAQ.IBM"));
actual = this.registry.findSubscriptions(message("/topic/PRICE.STOCK.NASDAQ.IBM"));
assertEquals(2, actual.size());
assertEquals(Arrays.asList(subs1, subs2), actual.get(sess1));
assertEquals(Arrays.asList(subs1), actual.get(sess2));
this.registry.unregisterSubscription(unsubscribeMessage(sess1, subs2));
actual = this.registry.findSubscriptions(message("/topic/PRICE.STOCK.NASDAQ.IBM"));
assertEquals(2, actual.size());
assertEquals(Arrays.asList(subs1), actual.get(sess1));
assertEquals(Arrays.asList(subs1), actual.get(sess2));
this.registry.unregisterSubscription(unsubscribeMessage(sess1, subs1));
actual = this.registry.findSubscriptions(message("/topic/PRICE.STOCK.NASDAQ.IBM"));
assertEquals(1, actual.size());
assertEquals(Arrays.asList(subs1), actual.get(sess2));
this.registry.unregisterSubscription(unsubscribeMessage(sess2, subs1));
actual = this.registry.findSubscriptions(message("/topic/PRICE.STOCK.NASDAQ.IBM"));
assertEquals(0, actual.size());
}
// SPR-11755
@Test
@Test // SPR-11755
public void registerAndUnregisterMultipleDestinations() {
String sess1 = "sess01";
String sess2 = "sess02";
@@ -219,13 +208,13 @@ public class DefaultSubscriptionRegistryTests {
this.registry.registerSubscription(subscribeMessage(sess1, subs3, "/topic/PRICE.STOCK.NASDAQ.GOOG"));
this.registry.registerSubscription(subscribeMessage(sess1, subs4, "/topic/PRICE.STOCK.NYSE.IBM"));
this.registry.registerSubscription(subscribeMessage(sess2, subs5, "/topic/PRICE.STOCK.NASDAQ.GOOG"));
this.registry.unregisterAllSubscriptions(sess1);
this.registry.unregisterAllSubscriptions(sess2);
}
@Test
public void registerSubscriptionWithDestinationPatternRegex() {
String sessId = "sess01";
String subsId = "subs01";
String destPattern = "/topic/PRICE.STOCK.*.{ticker:(IBM|MSFT)}";
@@ -249,9 +238,29 @@ public class DefaultSubscriptionRegistryTests {
assertEquals("Expected no elements " + actual, 0, actual.size());
}
@Test // SPR-11931
public void registerTwiceAndUnregisterSubscriptions() {
this.registry.registerSubscription(subscribeMessage("sess01", "subs01", "/foo"));
this.registry.registerSubscription(subscribeMessage("sess01", "subs02", "/foo"));
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message("/foo"));
assertEquals("Expected 1 element", 1, actual.size());
assertEquals(Arrays.asList("subs01", "subs02"), actual.get("sess01"));
this.registry.unregisterSubscription(unsubscribeMessage("sess01", "subs01"));
actual = this.registry.findSubscriptions(message("/foo"));
assertEquals("Expected 1 element", 1, actual.size());
assertEquals(Arrays.asList("subs02"), actual.get("sess01"));
this.registry.unregisterSubscription(unsubscribeMessage("sess01", "subs02"));
actual = this.registry.findSubscriptions(message("/foo"));
assertEquals("Expected no element", 0, actual.size());
}
@Test
public void unregisterSubscription() {
List<String> sessIds = Arrays.asList("sess01", "sess02", "sess03");
List<String> subscriptionIds = Arrays.asList("subs01", "subs02", "subs03");
String dest = "/foo";
@@ -267,36 +276,13 @@ public class DefaultSubscriptionRegistryTests {
this.registry.unregisterSubscription(unsubscribeMessage(sessIds.get(0), subscriptionIds.get(2)));
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message(dest));
assertEquals("Expected two elements: " + actual, 2, actual.size());
assertEquals(subscriptionIds, sort(actual.get(sessIds.get(1))));
assertEquals(subscriptionIds, sort(actual.get(sessIds.get(2))));
}
// SPR-11931
@Test
public void registerTwiceAndUnregisterSubscriptions() {
this.registry.registerSubscription(subscribeMessage("sess01", "subs01", "/foo"));
this.registry.registerSubscription(subscribeMessage("sess01", "subs02", "/foo"));
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message("/foo"));
assertEquals("Expected 1 element", 1, actual.size());
assertEquals(Arrays.asList("subs01", "subs02"), actual.get("sess01"));
this.registry.unregisterSubscription(unsubscribeMessage("sess01", "subs01"));
actual = this.registry.findSubscriptions(message("/foo"));
assertEquals("Expected 1 element", 1, actual.size());
assertEquals(Arrays.asList("subs02"), actual.get("sess01"));
this.registry.unregisterSubscription(unsubscribeMessage("sess01", "subs02"));
actual = this.registry.findSubscriptions(message("/foo"));
assertEquals("Expected no element", 0, actual.size());
}
@Test
public void unregisterAllSubscriptions() {
List<String> sessIds = Arrays.asList("sess01", "sess02", "sess03");
List<String> subscriptionIds = Arrays.asList("subs01", "subs02", "subs03");
String dest = "/foo";
@@ -311,7 +297,6 @@ public class DefaultSubscriptionRegistryTests {
this.registry.unregisterAllSubscriptions(sessIds.get(1));
MultiValueMap<String, String> actual = this.registry.findSubscriptions(message(dest));
assertEquals("Expected one element: " + actual, 1, actual.size());
assertEquals(subscriptionIds, sort(actual.get(sessIds.get(2))));
}
@@ -328,9 +313,7 @@ public class DefaultSubscriptionRegistryTests {
assertEquals("Expected no elements " + actual, 0, actual.size());
}
// SPR-12665
@Test
@Test // SPR-12665
public void findSubscriptionsReturnsMapSafeToIterate() throws Exception {
this.registry.registerSubscription(subscribeMessage("sess1", "1", "/foo"));
this.registry.registerSubscription(subscribeMessage("sess2", "1", "/foo"));
@@ -346,6 +329,25 @@ public class DefaultSubscriptionRegistryTests {
// no ConcurrentModificationException
}
@Test // SPR-13185
public void findSubscriptionsReturnsMapSafeToIterateIncludingValues() throws Exception {
this.registry.registerSubscription(subscribeMessage("sess1", "1", "/foo"));
this.registry.registerSubscription(subscribeMessage("sess1", "2", "/foo"));
MultiValueMap<String, String> allSubscriptions = this.registry.findSubscriptions(message("/foo"));
assertNotNull(allSubscriptions);
assertEquals(1, allSubscriptions.size());
Iterator<String> iteratorValues = allSubscriptions.get("sess1").iterator();
iteratorValues.next();
this.registry.unregisterSubscription(unsubscribeMessage("sess1", "2"));
iteratorValues.next();
// no ConcurrentModificationException
}
private Message<?> subscribeMessage(String sessionId, String subscriptionId, String destination) {
SimpMessageHeaderAccessor headers = SimpMessageHeaderAccessor.create(SimpMessageType.SUBSCRIBE);
headers.setSessionId(sessionId);