[type:refactor]Add test case for RestTemplateConfiguration (#5894)

shenyu-web/src/main/java/org/apache/shenyu/web/configuration/RestTemplateConfig.java → shenyu-web/src/main/java/org/apache/shenyu/web/configuration/RestTemplateConfiguration.java

@@ -28,7 +28,7 @@
  * RestTemplate config.
  */
 @Configuration
-public class RestTemplateConfig {
+public class RestTemplateConfiguration {
 
     /**
      * ClientHttpRequestFactory bean.

shenyu-web/src/test/java/org/apache/shenyu/web/configuration/RestTemplateConfigurationTest.java

@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.shenyu.web.configuration;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.autoconfigure.AutoConfigurations;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.ClientHttpRequestFactory;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+/**
+ * Test case for {@link RestTemplateConfiguration}.
+ */
+@Configuration
+@EnableConfigurationProperties
+public class RestTemplateConfigurationTest {
+
+    private ApplicationContextRunner applicationContextRunner;
+
+    @BeforeEach
+    public void setUp() {
+        applicationContextRunner = new ApplicationContextRunner()
+            .withConfiguration(AutoConfigurations.of(RestTemplateConfiguration.class))
+            .withBean(RestTemplateConfigurationTest.class)
+            .withPropertyValues("debug=true");
+    }
+
+    @Test
+    public void testSimpleClientHttpRequestFactory() {
+        applicationContextRunner.run(context -> {
+            ClientHttpRequestFactory clientHttpRequestFactory = context.getBean("simpleClientHttpRequestFactory", SimpleClientHttpRequestFactory.class);
+            assertNotNull(clientHttpRequestFactory);
+        });
+    }
+
+    @Test
+    public void testRestTemplate() {
+        applicationContextRunner.run(context -> {
+            RestTemplate restTemplate = context.getBean("restTemplate", RestTemplate.class);
+            assertNotNull(restTemplate);
+        });
+    }
+}