Support Testcontainer Redis with custom image names

Update `RedisContainerConnectionDetailsFactory` so that it can also
support `RedisContainer` with a custom name.

Closes gh-41450

spring-boot-project/spring-boot-testcontainers/src/main/java/org/springframework/boot/testcontainers/service/connection/ContainerConnectionDetailsFactory.java

@@ -104,12 +104,10 @@ public abstract class ContainerConnectionDetailsFactory<C extends Container<?>,
 		}
 		try {
 			Class<?>[] generics = resolveGenerics();
-			Class<?> containerType = generics[0];
-			Class<?> connectionDetailsType = generics[1];
-			for (String connectionName : this.connectionNames) {
-				if (source.accepts(connectionName, containerType, connectionDetailsType)) {
-					return getContainerConnectionDetails(source);
-				}
+			Class<?> requiredContainerType = generics[0];
+			Class<?> requiredConnectionDetailsType = generics[1];
+			if (sourceAccepts(source, requiredContainerType, requiredConnectionDetailsType)) {
+				return getContainerConnectionDetails(source);
 			}
 		}
 		catch (NoClassDefFoundError ex) {
@@ -118,6 +116,25 @@ public abstract class ContainerConnectionDetailsFactory<C extends Container<?>,
 		return null;
 	}
 
+	/**
+	 * Return if the give source accepts the connection. By default this method checks
+	 * each connection name.
+	 * @param source the container connection source
+	 * @param requiredContainerType the required container type
+	 * @param requiredConnectionDetailsType the required connection details type
+	 * @return if the source accepts the connection
+	 * @since 3.4.0
+	 */
+	protected boolean sourceAccepts(ContainerConnectionSource<C> source, Class<?> requiredContainerType,
+			Class<?> requiredConnectionDetailsType) {
+		for (String requiredConnectionName : this.connectionNames) {
+			if (source.accepts(requiredConnectionName, requiredContainerType, requiredConnectionDetailsType)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	private boolean hasRequiredClasses() {
 		return ObjectUtils.isEmpty(this.requiredClassNames) || Arrays.stream(this.requiredClassNames)
 			.allMatch((requiredClassName) -> ClassUtils.isPresent(requiredClassName, null));

spring-boot-project/spring-boot-testcontainers/src/main/java/org/springframework/boot/testcontainers/service/connection/ContainerConnectionSource.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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.
@@ -90,7 +90,15 @@ public final class ContainerConnectionSource<C extends Container<?>> implements
 		return null;
 	}
 
-	boolean accepts(String requiredConnectionName, Class<?> requiredContainerType,
+	/**
+	 * Return is this source accepts the given connection.
+	 * @param requiredConnectionName the required connection name or {@code null}
+	 * @param requiredContainerType the required container type
+	 * @param requiredConnectionDetailsType the required connection details type
+	 * @return if the connection is accepted by this source
+	 * @since 3.4.0
+	 */
+	public boolean accepts(String requiredConnectionName, Class<?> requiredContainerType,
 			Class<?> requiredConnectionDetailsType) {
 		if (StringUtils.hasText(requiredConnectionName)
 				&& !requiredConnectionName.equalsIgnoreCase(this.connectionName)) {

spring-boot-project/spring-boot-testcontainers/src/main/java/org/springframework/boot/testcontainers/service/connection/redis/RedisContainerConnectionDetailsFactory.java

@@ -18,6 +18,7 @@ package org.springframework.boot.testcontainers.service.connection.redis;
 
 import java.util.List;
 
+import com.redis.testcontainers.RedisContainer;
 import org.testcontainers.containers.Container;
 import org.testcontainers.containers.GenericContainer;
 
@@ -49,7 +50,14 @@ class RedisContainerConnectionDetailsFactory
 	}
 
 	@Override
-	public RedisConnectionDetails getContainerConnectionDetails(ContainerConnectionSource<Container<?>> source) {
+	protected boolean sourceAccepts(ContainerConnectionSource<Container<?>> source, Class<?> requiredContainerType,
+			Class<?> requiredConnectionDetailsType) {
+		return super.sourceAccepts(source, requiredContainerType, requiredConnectionDetailsType)
+				|| source.accepts(ANY_CONNECTION_NAME, RedisContainer.class, requiredConnectionDetailsType);
+	}
+
+	@Override
+	protected RedisConnectionDetails getContainerConnectionDetails(ContainerConnectionSource<Container<?>> source) {
 		return new RedisContainerConnectionDetails(source);
 	}