NamespaceExpressionHandlerTests groovy->java

Issue: spring-projectsgh-4939

Author: jzheaux

config/src/test/groovy/org/springframework/security/config/annotation/web/configurers/NamespaceHttpExpressionHandlerTests.groovy

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2002-2019 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 java.security.Principal;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.expression.ExpressionParser;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+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.security.test.context.annotation.SecurityTestExecutionListeners;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.security.web.access.expression.DefaultWebSecurityExpressionHandler;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+
+/**
+ * Tests to verify that all the functionality of <expression-handler> attributes is present
+ *
+ * @author Rob Winch
+ * @author Josh Cummings
+ *
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SecurityTestExecutionListeners
+public class NamespaceHttpExpressionHandlerTests {
+
+	@Rule
+	public final SpringTestRule spring = new SpringTestRule();
+
+	@Autowired
+	MockMvc mvc;
+
+	@Test
+	@WithMockUser
+	public void getWhenHasCustomExpressionHandlerThenMatchesNamespace() throws Exception {
+		this.spring.register(ExpressionHandlerController.class, ExpressionHandlerConfig.class).autowire();
+		this.mvc.perform(get("/whoami")).andExpect(content().string("user"));
+		verifyBean("expressionParser", ExpressionParser.class).parseExpression("hasRole('USER')");
+	}
+
+	@EnableWebMvc
+	@EnableWebSecurity
+	private static class ExpressionHandlerConfig extends WebSecurityConfigurerAdapter {
+		public ExpressionHandlerConfig() {}
+
+		@Override
+		protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+			auth
+				.inMemoryAuthentication()
+					.withUser("rod").password("password").roles("USER", "ADMIN");
+		}
+
+		@Override
+		protected void configure(HttpSecurity http) throws Exception {
+			DefaultWebSecurityExpressionHandler handler = new DefaultWebSecurityExpressionHandler();
+			handler.setExpressionParser(expressionParser());
+
+			http
+				.authorizeRequests()
+					.expressionHandler(handler)
+					.anyRequest().access("hasRole('USER')");
+		}
+
+		@Bean
+		ExpressionParser expressionParser() {
+			return spy(new SpelExpressionParser());
+		}
+	}
+
+	@RestController
+	private static class ExpressionHandlerController {
+		@GetMapping("/whoami")
+		String whoami(Principal user) {
+			return user.getName();
+		}
+	}
+
+	private <T> T verifyBean(String beanName, Class<T> beanClass) {
+		return verify(this.spring.getContext().getBean(beanName, beanClass));
+	}
+}