PortMapperConfigurerTests groovy->java

Issue: gh-4939

config/src/test/java/org/springframework/security/config/annotation/web/configurers/PortMapperConfigurerTests.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2002-2018 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.
+ * 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.springframework.security.config.annotation.web.configurers;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.test.SpringTestRule;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.redirectedUrl;
+
+/**
+ * @author Rob Winch
+ * @author Josh Cummings
+ */
+public class PortMapperConfigurerTests {
+	@Rule
+	public final SpringTestRule spring = new SpringTestRule();
+
+	@Autowired
+	private MockMvc mockMvc;
+
+	@Test
+	public void requestWhenPortMapperTwiceInvokedThenDoesNotOverride() throws Exception {
+		this.spring.register(InvokeTwiceDoesNotOverride.class).autowire();
+
+		this.mockMvc.perform(get("http://localhost:543"))
+			.andExpect(redirectedUrl("https://localhost:123"));
+	}
+
+	@EnableWebSecurity
+	static class InvokeTwiceDoesNotOverride extends WebSecurityConfigurerAdapter {
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			http
+				.requiresChannel()
+					.anyRequest().requiresSecure()
+					.and()
+				.portMapper()
+					.http(543).mapsTo(123)
+					.and()
+				.portMapper();
+		}
+	}
+}