Fix test (wrong ordering of map entries)

Author: acogoluegnes

src/main/java/com/rabbitmq/stream/impl/Client.java

@@ -442,9 +442,9 @@ public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise)
 
   private static Map<String, String> clientProperties(Map<String, String> fromParameters) {
     fromParameters = fromParameters == null ? Collections.emptyMap() : fromParameters;
-    Map<String, String> clientProperties = new HashMap<>(fromParameters);
+    Map<String, String> clientProperties = new LinkedHashMap<>(fromParameters);
     clientProperties.putAll(ClientProperties.DEFAULT_CLIENT_PROPERTIES);
-    return Map.copyOf(clientProperties);
+    return Collections.unmodifiableMap(clientProperties);
   }
 
   static void checkMessageFitsInFrame(int maxFrameSize, Codec.EncodedMessage encodedMessage) {

src/main/java/com/rabbitmq/stream/impl/ClientProperties.java

@@ -15,8 +15,7 @@
 package com.rabbitmq.stream.impl;
 
 import java.io.InputStream;
-import java.util.Map;
-import java.util.Properties;
+import java.util.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -37,12 +36,16 @@ public final class ClientProperties {
   public static final String VERSION = getVersion();
 
   public static final Map<String, String> DEFAULT_CLIENT_PROPERTIES =
-      Map.of(
-          "product", "RabbitMQ Stream",
-          "version", ClientProperties.VERSION,
-          "platform", "Java",
-          "copyright", "Copyright (c) 2020-2024 Broadcom Inc. and/or its subsidiaries.",
-          "information", "Licensed under the MPL 2.0. See https://www.rabbitmq.com/");
+      Collections.unmodifiableMap(
+          new LinkedHashMap<>() {
+            {
+              put("product", "RabbitMQ Stream");
+              put("version", ClientProperties.VERSION);
+              put("platform", "Java");
+              put("copyright", "Copyright (c) 2020-2024 Broadcom Inc. and/or its subsidiaries.");
+              put("information", "Licensed under the MPL 2.0. See https://www.rabbitmq.com/");
+            }
+          });
 
   private static String getVersion() {
     String version;

src/main/java/com/rabbitmq/stream/impl/ConsumersCoordinator.java

@@ -443,7 +443,7 @@ private SubscriptionTracker(
         properties.putAll(subscriptionProperties);
         // we propagate the subscription name, used for monitoring
         properties.put("name", this.offsetTrackingReference);
-        this.subscriptionProperties = Map.copyOf(properties);
+        this.subscriptionProperties = Collections.unmodifiableMap(properties);
       }
     }
 

src/main/java/com/rabbitmq/stream/impl/ServerFrameHandler.java

@@ -775,7 +775,7 @@ int doHandle(Client client, ChannelHandlerContext ctx, ByteBuf message) {
       if (outstandingRequest == null) {
         LOGGER.warn("Could not find outstanding request with correlation ID {}", correlationId);
       } else {
-        outstandingRequest.response().set(Map.copyOf(serverProperties));
+        outstandingRequest.response().set(Collections.unmodifiableMap(serverProperties));
         outstandingRequest.countDown();
       }
       return read;

src/main/java/com/rabbitmq/stream/sasl/DefaultSaslConfiguration.java

@@ -16,9 +16,9 @@
 
 import static java.lang.String.format;
 
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 /** {@link SaslConfiguration} that supports our built-in mechanisms. */
 public final class DefaultSaslConfiguration implements SaslConfiguration {
@@ -31,10 +31,14 @@ public final class DefaultSaslConfiguration implements SaslConfiguration {
       new DefaultSaslConfiguration(AnonymousSaslMechanism.INSTANCE.getName());
 
   private final Map<String, SaslMechanism> mechanisms =
-      Map.of(
-          PlainSaslMechanism.INSTANCE.getName(), PlainSaslMechanism.INSTANCE,
-          ExternalSaslMechanism.INSTANCE.getName(), ExternalSaslMechanism.INSTANCE,
-          AnonymousSaslMechanism.INSTANCE.getName(), AnonymousSaslMechanism.INSTANCE);
+      Collections.unmodifiableMap(
+          Stream.of(
+                  PlainSaslMechanism.INSTANCE,
+                  ExternalSaslMechanism.INSTANCE,
+                  AnonymousSaslMechanism.INSTANCE)
+              .collect(
+                  Collectors.toMap(
+                      SaslMechanism::getName, m -> m, (k1, k2) -> k1, LinkedHashMap::new)));
 
   private final String mechanism;
 

src/test/java/com/rabbitmq/stream/sasl/DefaultSaslConfigurationTest.java

@@ -1,4 +1,4 @@
-// Copyright (c) 2020-2023 Broadcom. All Rights Reserved.
+// Copyright (c) 2020-2024 Broadcom. All Rights Reserved.
 // The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
 //
 // This software, the RabbitMQ Stream Java client library, is dual-licensed under the
@@ -58,6 +58,6 @@ void getSaslMechanismShouldThrowExceptionIfNoMechanismSpecifiedAndNoMatch() {
     assertThatThrownBy(() -> configuration.getSaslMechanism(asList("FOO", "BAR")))
         .isInstanceOf(IllegalStateException.class)
         .hasMessage(
-            "Unable to agree on a SASL mechanism. Client: PLAIN, ANONYMOUS, EXTERNAL / server FOO, BAR.");
+            "Unable to agree on a SASL mechanism. Client: PLAIN, EXTERNAL, ANONYMOUS / server FOO, BAR.");
   }
 }