[BAEL-5346] Code for @WebServiceServerTest article (#12229)

spring-boot-modules/spring-boot-testing-2/src/test/java/com/baeldung/webservice/ProductEndpointIntegrationTest.java

@@ -0,0 +1,69 @@
+package com.baeldung.webservice;
+
+import com.baeldung.webservice.generated.Product;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.webservices.server.WebServiceServerTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.core.io.ClassPathResource;
+import org.springframework.ws.test.server.MockWebServiceClient;
+import org.springframework.xml.transform.StringSource;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.mockito.Mockito.when;
+import static org.springframework.ws.test.server.RequestCreators.withPayload;
+import static org.springframework.ws.test.server.ResponseMatchers.noFault;
+import static org.springframework.ws.test.server.ResponseMatchers.payload;
+import static org.springframework.ws.test.server.ResponseMatchers.validPayload;
+import static org.springframework.ws.test.server.ResponseMatchers.xpath;
+
+@WebServiceServerTest
+class ProductEndpointIntegrationTest {
+
+    private static final Map<String, String> NAMESPACE_MAPPING = createMapping();
+
+    @Autowired
+    private MockWebServiceClient client;
+
+    @MockBean
+    private ProductRepository productRepository;
+
+    @Test
+    void givenXmlRequest_whenServiceInvoked_thenValidResponse() throws IOException {
+        Product product = new Product();
+        product.setId("1");
+        product.setName("Product 1");
+
+        when(productRepository.findProduct("1")).thenReturn(product);
+
+        StringSource request = new StringSource(
+          "<bd:getProductRequest xmlns:bd='http://baeldung.com/spring-boot-web-service'>" +
+            "<bd:id>1</bd:id>" +
+          "</bd:getProductRequest>"
+        );
+        StringSource response = new StringSource(
+          "<bd:getProductResponse xmlns:bd='http://baeldung.com/spring-boot-web-service'>" +
+            "<bd:product>" +
+              "<bd:id>1</bd:id>" +
+              "<bd:name>Product 1</bd:name>" +
+            "</bd:product>" +
+          "</bd:getProductResponse>"
+        );
+
+        client.sendRequest(withPayload(request))
+          .andExpect(noFault())
+          .andExpect(validPayload(new ClassPathResource("webservice/products.xsd")))
+          .andExpect(xpath("/bd:getProductResponse/bd:product[1]/bd:name", NAMESPACE_MAPPING)
+            .evaluatesTo("Product 1"))
+          .andExpect(payload(response));
+    }
+
+    private static Map<String, String> createMapping() {
+        Map<String, String> mapping = new HashMap<>();
+        mapping.put("bd", "http://baeldung.com/spring-boot-web-service");
+        return mapping;
+    }
+}