Polish "Add spring.data.redis.lettuce.read-from property"

See gh-42588

Co-authored-by: Stephane Nicoll <[email protected]>

Author: philwebb

Diff for: spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/redis/LettuceConnectionConfiguration.java

@@ -174,17 +174,25 @@ private void applyProperties(LettuceClientConfiguration.LettuceClientConfigurati
 		}
 	}
 
-	private static ReadFrom getReadFrom(String readFrom) {
+	private ReadFrom getReadFrom(String readFrom) {
 		int index = readFrom.indexOf(':');
 		if (index == -1) {
-			String name = readFrom.replaceAll("-", "");
-			return ReadFrom.valueOf(name);
+			return ReadFrom.valueOf(getCanonicalReadFromName(readFrom));
 		}
-		String name = readFrom.substring(0, index).replaceAll("-", "");
+		String name = getCanonicalReadFromName(readFrom.substring(0, index));
 		String value = readFrom.substring(index + 1);
 		return ReadFrom.valueOf(name + ":" + value);
 	}
 
+	private String getCanonicalReadFromName(String name) {
+		StringBuilder canonicalName = new StringBuilder(name.length());
+		name.chars()
+			.filter(Character::isLetterOrDigit)
+			.map(Character::toLowerCase)
+			.forEach((c) -> canonicalName.append((char) c));
+		return canonicalName.toString();
+	}
+
 	private ClientOptions createClientOptions(
 			ObjectProvider<LettuceClientOptionsBuilderCustomizer> clientConfigurationBuilderCustomizers) {
 		ClientOptions.Builder builder = initializeClientOptionsBuilder();

Diff for: spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/redis/RedisAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -122,7 +122,7 @@ void testOverrideRedisConfiguration() {
 			});
 	}
 
-	@ParameterizedTest
+	@ParameterizedTest(name = "{0}")
 	@MethodSource
 	void shouldConfigureLettuceReadFromProperty(String type, ReadFrom readFrom) {
 		this.contextRunner.withPropertyValues("spring.data.redis.lettuce.read-from:" + type).run((context) -> {
@@ -132,6 +132,14 @@ void shouldConfigureLettuceReadFromProperty(String type, ReadFrom readFrom) {
 		});
 	}
 
+	static Stream<Arguments> shouldConfigureLettuceReadFromProperty() {
+		return Stream.of(Arguments.of("any", ReadFrom.ANY), Arguments.of("any-replica", ReadFrom.ANY_REPLICA),
+				Arguments.of("lowest-latency", ReadFrom.LOWEST_LATENCY), Arguments.of("replica", ReadFrom.REPLICA),
+				Arguments.of("replica-preferred", ReadFrom.REPLICA_PREFERRED),
+				Arguments.of("upstream", ReadFrom.UPSTREAM),
+				Arguments.of("upstream-preferred", ReadFrom.UPSTREAM_PREFERRED));
+	}
+
 	@Test
 	void shouldConfigureLettuceRegexReadFromProperty() {
 		RedisClusterNode node1 = createRedisNode("redis-node-1.region-1.example.com");
@@ -688,14 +696,6 @@ private String getUserName(LettuceConnectionFactory factory) {
 		return ReflectionTestUtils.invokeMethod(factory, "getRedisUsername");
 	}
 
-	static Stream<Arguments> shouldConfigureLettuceReadFromProperty() {
-		return Stream.of(Arguments.of("any", ReadFrom.ANY), Arguments.of("any-replica", ReadFrom.ANY_REPLICA),
-				Arguments.of("lowest-latency", ReadFrom.LOWEST_LATENCY), Arguments.of("replica", ReadFrom.REPLICA),
-				Arguments.of("replica-preferred", ReadFrom.REPLICA_PREFERRED),
-				Arguments.of("upstream", ReadFrom.UPSTREAM),
-				Arguments.of("upstream-preferred", ReadFrom.UPSTREAM_PREFERRED));
-	}
-
 	private RedisClusterNode createRedisNode(String host) {
 		RedisClusterNode node = new RedisClusterNode();
 		node.setUri(RedisURI.Builder.redis(host).build());