Polishing #1502

Consistently use lowercase for nomkstream to align with XGroupCreateArgs.

Introduce nomkstream() factory method. Tweak Javadoc, simplify tests.

Original pull request: #1504.

Author: mp911de

src/main/java/io/lettuce/core/XAddArgs.java

@@ -37,7 +37,7 @@ public class XAddArgs {
 
     private boolean approximateTrimming;
 
-    private boolean noMkStream;
+    private boolean nomkstream;
 
     /**
      * Builder entry points for {@link XAddArgs}.
@@ -60,6 +60,17 @@ public static XAddArgs maxlen(long count) {
             return new XAddArgs().maxlen(count);
         }
 
+        /**
+         * Creates new {@link XAddArgs} and setting {@literal NOMKSTREAM}.
+         *
+         * @return new {@link XAddArgs} with {@literal NOMKSTREAM} set.
+         * @see XAddArgs#nomkstream()
+         * @since 6.1
+         */
+        public static XAddArgs nomkstream() {
+            return new XAddArgs().nomkstream();
+        }
+
     }
 
     /**
@@ -112,25 +123,25 @@ public XAddArgs approximateTrimming(boolean approximateTrimming) {
     }
 
     /**
-     * Not to create new stream by default.
+     * Do add the message if the stream does not already exist.
      *
      * @return {@code this}
      * @since 6.1
      */
-    public XAddArgs noMkStream() {
-        return noMkStream(true);
+    public XAddArgs nomkstream() {
+        return nomkstream(true);
     }
 
     /**
-     * Not to create new stream by default.
+     * Do add the message if the stream does not already exist.
      *
-     * @param noMkStream {@code true} to apply not to create new stream by default.
+     * @param nomkstream {@code true} to not create a stream if it does not already exist.
      * @return {@code this}
      * @since 6.1
      */
-    public XAddArgs noMkStream(boolean noMkStream) {
+    public XAddArgs nomkstream(boolean nomkstream) {
 
-        this.noMkStream = noMkStream;
+        this.nomkstream = nomkstream;
         return this;
     }
 
@@ -147,7 +158,7 @@ public <K, V> void build(CommandArgs<K, V> args) {
             args.add(maxlen);
         }
 
-        if (noMkStream) {
+        if (nomkstream) {
             args.add(CommandKeyword.NOMKSTREAM);
         }
 

src/test/java/io/lettuce/core/commands/StreamCommandIntegrationTests.java

@@ -15,11 +15,16 @@
  */
 package io.lettuce.core.commands;
 
-import static io.lettuce.core.protocol.CommandType.XINFO;
-import static org.assertj.core.api.Assertions.assertThat;
+import static io.lettuce.core.protocol.CommandType.*;
+import static org.assertj.core.api.Assertions.*;
 
 import java.time.Instant;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
 
 import javax.inject.Inject;
 
@@ -28,7 +33,16 @@
 import org.junit.jupiter.api.TestInstance;
 import org.junit.jupiter.api.extension.ExtendWith;
 
-import io.lettuce.core.*;
+import io.lettuce.core.Consumer;
+import io.lettuce.core.Limit;
+import io.lettuce.core.Range;
+import io.lettuce.core.StreamMessage;
+import io.lettuce.core.TestSupport;
+import io.lettuce.core.TransactionResult;
+import io.lettuce.core.XAddArgs;
+import io.lettuce.core.XClaimArgs;
+import io.lettuce.core.XGroupCreateArgs;
+import io.lettuce.core.XReadArgs;
 import io.lettuce.core.XReadArgs.StreamOffset;
 import io.lettuce.core.api.sync.RedisCommands;
 import io.lettuce.core.codec.StringCodec;
@@ -93,20 +107,12 @@ void xaddMaxLenEfficientTrimming() {
     }
 
     @Test
-    void xaddMaxLenEfficientTrimmingNoMkStream() {
+    @EnabledOnCommand("LMOVE") // Redis 6.2
+    void xaddWithNomkstream() {
 
-        Map<String, String> body = Collections.singletonMap("foo", "bar");
-        String id = redis.xadd(key, XAddArgs.Builder.maxlen(5).approximateTrimming().noMkStream(), body);
+        String id = redis.xadd(key, XAddArgs.Builder.nomkstream(), Collections.singletonMap("foo", "bar"));
         assertThat(id).isNull();
         assertThat(redis.exists(key)).isEqualTo(0L);
-
-        id = redis.xadd(key, XAddArgs.Builder.maxlen(5).approximateTrimming(), body);
-        assertThat(id).isNotNull();
-        assertThat(redis.exists(key)).isEqualTo(1L);
-
-        List<StreamMessage<String, String>> messages = redis.xrange(key, Range.unbounded());
-        assertThat(messages.size()).isEqualTo(1);
-        assertThat(messages.get(0).getBody()).isEqualTo(body);
     }
 
     @Test