BAEL-2304 Improve functional webflux article

- Updated tests and minor spell fix

spring-5-reactive-security/src/main/java/com/baeldung/reactive/functional/EmployeeFunctionalConfig.java

@@ -39,7 +39,7 @@ public class EmployeeFunctionalConfig {
     }
 
     @Bean
-    RouterFunction<ServerResponse> updateEmployee() {
+    RouterFunction<ServerResponse> updateEmployeeRoute() {
       return route(POST("/employees/update"), 
         req -> req.body(toMono(Employee.class))
                   .doOnNext(employeeRepository()::updateEmployee)

spring-5-reactive-security/src/test/java/com/baeldung/reactive/functional/EmployeeSpringFunctionalIntegrationTest.java

@@ -1,13 +1,37 @@
 package com.baeldung.reactive.functional;
 
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.verify;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.FixMethodOrder;
 import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.reactive.server.WebTestClient;
 
 import com.baeldung.webflux.Employee;
+import com.baeldung.webflux.EmployeeRepository;
 
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = EmployeeSpringFunctionalApplication.class)
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class EmployeeSpringFunctionalIntegrationTest {
 
-    private static EmployeeFunctionalConfig config = new EmployeeFunctionalConfig();
+    @Autowired
+    private EmployeeFunctionalConfig config;
+
+    @MockBean
+    private EmployeeRepository employeeRepository;
 
     @Test
     public void givenEmployeeId_whenGetEmployeeById_thenCorrectEmployee() {
@@ -15,7 +39,9 @@ public class EmployeeSpringFunctionalIntegrationTest {
             .bindToRouterFunction(config.getEmployeeByIdRoute())
             .build();
 
-        Employee expected = new Employee("1", "Employee 1");
+        Employee employee = new Employee("1", "Employee 1");
+
+        given(employeeRepository.findEmployeeById("1")).willReturn(Mono.just(employee));
 
         client.get()
             .uri("/employees/1")
@@ -23,6 +49,50 @@ public class EmployeeSpringFunctionalIntegrationTest {
             .expectStatus()
             .isOk()
             .expectBody(Employee.class)
-            .isEqualTo(expected);
+            .isEqualTo(employee);
+    }
+
+    @Test
+    public void whenGetAllEmployees_thenCorrectEmployees() {
+        WebTestClient client = WebTestClient
+            .bindToRouterFunction(config.getAllEmployeesRoute())
+            .build();
+
+        List<Employee> employeeList = new ArrayList<>();
+
+        Employee employee1 = new Employee("1", "Employee 1");
+        Employee employee2 = new Employee("2", "Employee 2");
+
+        employeeList.add(employee1);
+        employeeList.add(employee2);
+
+        Flux<Employee> employeeFlux = Flux.fromIterable(employeeList);
+        given(employeeRepository.findAllEmployees()).willReturn(employeeFlux);
+
+        client.get()
+            .uri("/employees")
+            .exchange()
+            .expectStatus()
+            .isOk()
+            .expectBodyList(Employee.class)
+            .isEqualTo(employeeList);
+    }
+
+    @Test
+    public void whenUpdateEmployee_thenEmployeeUpdated() {
+        WebTestClient client = WebTestClient
+            .bindToRouterFunction(config.updateEmployeeRoute())
+            .build();
+
+        Employee employee = new Employee("1", "Employee 1 Updated");
+
+        client.post()
+            .uri("/employees/update")
+            .body(Mono.just(employee), Employee.class)
+            .exchange()
+            .expectStatus()
+            .isOk();
+
+        verify(employeeRepository).updateEmployee(employee);
     }
 }