BAEL-1969 spring security for spring boot integration tests (#5074)

* BAEL-1969 spring security for spring boot integration tests

* BAEL-1969 spring security for spring boot integration tests

spring-boot-security/src/main/java/com/baeldung/integrationtesting/MethodSecurityConfigurer.java

@@ -0,0 +1,13 @@
+package com.baeldung.integrationtesting;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
+import org.springframework.security.config.annotation.method.configuration.GlobalMethodSecurityConfiguration;
+
+@Configuration
+@EnableGlobalMethodSecurity(
+    prePostEnabled = true,
+    securedEnabled = true)
+public class MethodSecurityConfigurer extends GlobalMethodSecurityConfiguration {
+
+}

spring-boot-security/src/main/java/com/baeldung/integrationtesting/SecuredApplication.java

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+package com.baeldung.integrationtesting;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SecuredApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SecuredApplication.class, args);
+    }
+
+}

spring-boot-security/src/main/java/com/baeldung/integrationtesting/SecuredController.java

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+package com.baeldung.integrationtesting;
+
+import java.util.Arrays;
+import java.util.List;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class SecuredController {
+
+    @GetMapping("/public/hello")
+    public List<String> publicHello() {
+        return Arrays.asList("Hello", "World", "from", "Public");
+    }
+
+    @GetMapping("/private/hello")
+    public List<String> privateHello() {
+        return Arrays.asList("Hello", "World", "from", "Private");
+    }
+
+}

spring-boot-security/src/main/java/com/baeldung/integrationtesting/SecuredService.java

@@ -0,0 +1,13 @@
+package com.baeldung.integrationtesting;
+
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.stereotype.Service;
+
+@Service
+public class SecuredService {
+
+    @PreAuthorize("authenticated")
+    public String sayHelloSecured() {
+        return "Hello user.";
+    }
+}

spring-boot-security/src/main/java/com/baeldung/integrationtesting/WebSecurityConfigurer.java

@@ -0,0 +1,31 @@
+package com.baeldung.integrationtesting;
+
+import org.springframework.context.annotation.Configuration;
+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.WebSecurityConfigurerAdapter;
+
+@Configuration
+public class WebSecurityConfigurer extends WebSecurityConfigurerAdapter {
+
+    @Override
+    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+        auth.inMemoryAuthentication()
+            .withUser("spring")
+            .password("secret")
+            .roles("USER");
+    }
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .antMatchers("/private/**")
+            .hasRole("USER")
+            .antMatchers("/public/**")
+            .permitAll()
+            .and()
+            .httpBasic();
+    }
+
+    
+}

spring-boot-security/src/test/java/com/baeldung/integrationtesting/SecuredControllerRestTemplateIntegrationTest.java

@@ -0,0 +1,34 @@
+package com.baeldung.integrationtesting;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class SecuredControllerRestTemplateIntegrationTest {
+
+    @Autowired
+    private TestRestTemplate template;
+
+    @Test
+    public void givenRequestOnPrivateService_shouldFailWith401() throws Exception {
+        ResponseEntity<String> result = template.getForEntity("/private/hello", String.class);
+        assertEquals(HttpStatus.UNAUTHORIZED, result.getStatusCode());
+    }
+
+    @Test
+    public void givenAuthRequestOnPrivateService_shouldSucceedWith200() throws Exception {
+        ResponseEntity<String> result = template.withBasicAuth("spring", "secret")
+            .getForEntity("/private/hello", String.class);
+        assertEquals(HttpStatus.OK, result.getStatusCode());
+    }
+
+}

spring-boot-security/src/test/java/com/baeldung/integrationtesting/SecuredControllerSpringBootIntegrationTest.java

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+package com.baeldung.integrationtesting;
+
+import static org.springframework.security.test.web.servlet.setup.SecurityMockMvcConfigurers.springSecurity;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class SecuredControllerSpringBootIntegrationTest {
+
+    @Autowired
+    private WebApplicationContext context;
+
+    private MockMvc mvc;
+
+    @Before
+    public void setup() {
+        mvc = MockMvcBuilders
+                .webAppContextSetup(context)
+                .apply(springSecurity())
+                .build();
+    }
+
+    @Test
+    public void givenRequestOnPrivateService_shouldFailWith401() throws Exception {
+        mvc.perform(get("/private/hello")
+                        .contentType(MediaType.APPLICATION_JSON))
+                    .andExpect(status().isUnauthorized());
+    }
+
+    @WithMockUser("spring")
+    @Test
+    public void givenAuthRequestOnPrivateService_shouldSucceedWith200() throws Exception {
+        mvc.perform(get("/private/hello")
+                .contentType(MediaType.APPLICATION_JSON))
+            .andExpect(status().isOk());
+    }
+
+}

spring-boot-security/src/test/java/com/baeldung/integrationtesting/SecuredControllerWebMvcIntegrationTest.java

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+package com.baeldung.integrationtesting;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.http.MediaType;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.web.servlet.MockMvc;
+
+import com.baeldung.integrationtesting.SecuredController;
+
+@RunWith(SpringRunner.class)
+@WebMvcTest(SecuredController.class)
+public class SecuredControllerWebMvcIntegrationTest {
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Test
+    public void givenRequestOnPrivateService_shouldFailWith401() throws Exception {
+        mvc.perform(get("/private/hello")
+                        .contentType(MediaType.APPLICATION_JSON))
+                    .andExpect(status().isUnauthorized());
+    }
+
+    @WithMockUser(value = "spring")
+    @Test
+    public void givenAuthRequestOnPrivateService_shouldSucceedWith200() throws Exception {
+        mvc.perform(get("/private/hello")
+                .contentType(MediaType.APPLICATION_JSON))
+            .andExpect(status().isOk());
+    }
+
+}

spring-boot-security/src/test/java/com/baeldung/integrationtesting/SecuredMethodSpringBootIntegrationTest.java

@@ -0,0 +1,32 @@
+package com.baeldung.integrationtesting;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.security.authentication.AuthenticationCredentialsNotFoundException;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import com.baeldung.integrationtesting.SecuredService;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class SecuredMethodSpringBootIntegrationTest {
+
+    @Autowired
+    private SecuredService service;
+
+    @Test(expected = AuthenticationCredentialsNotFoundException.class)
+    public void givenUnauthenticated_whenCallService_thenThrowsException() {
+        service.sayHelloSecured();
+    }
+
+    @WithMockUser(username="spring")
+    @Test
+    public void givenAuthenticated_whenCallServiceWithSecured_thenOk() {
+        assertThat(service.sayHelloSecured()).isNotBlank();
+    }   
+}