diff --git a/spring-5-reactive-client/pom.xml b/spring-5-reactive-client/pom.xml index 70771f6832..9e574b2196 100644 --- a/spring-5-reactive-client/pom.xml +++ b/spring-5-reactive-client/pom.xml @@ -54,6 +54,18 @@ org.apache.commons commons-lang3 + + + com.squareup.okhttp3 + okhttp + 4.0.1 + + + com.squareup.okhttp3 + mockwebserver + 4.0.1 + test + @@ -88,14 +100,25 @@ org.projectlombok lombok - - + + org.mockito + mockito-junit-jupiter + 2.23.0 + test + + + io.projectreactor + reactor-test + 3.2.10.RELEASE + test + org.eclipse.jetty jetty-reactive-httpclient ${jetty-reactive-httpclient.version} test + @@ -108,6 +131,29 @@ JAR + + org.apache.maven.plugins + maven-compiler-plugin + + 1.8 + 1.8 + + + + maven-surefire-plugin + 2.22.0 + + + maven-surefire-plugin + 2.19.1 + + + org.junit.platform + junit-platform-surefire-provider + 1.0.1 + + + diff --git a/spring-5-reactive-client/src/main/java/com/baeldung/reactive/enums/Role.java b/spring-5-reactive-client/src/main/java/com/baeldung/reactive/enums/Role.java new file mode 100644 index 0000000000..6b11f14734 --- /dev/null +++ b/spring-5-reactive-client/src/main/java/com/baeldung/reactive/enums/Role.java @@ -0,0 +1,5 @@ +package com.baeldung.reactive.enums; + +public enum Role { + ENGINEER, SENIOR_ENGINEER, LEAD_ENGINEER +} diff --git a/spring-5-reactive-client/src/main/java/com/baeldung/reactive/model/Employee.java b/spring-5-reactive-client/src/main/java/com/baeldung/reactive/model/Employee.java new file mode 100644 index 0000000000..6a8daaf6de --- /dev/null +++ b/spring-5-reactive-client/src/main/java/com/baeldung/reactive/model/Employee.java @@ -0,0 +1,64 @@ +package com.baeldung.reactive.model; + + +import com.baeldung.reactive.enums.Role; + +public class Employee { + private Integer employeeId; + private String firstName; + private String lastName; + private Integer age; + private Role role; + + public Employee() { + } + + public Employee(Integer employeeId, String firstName, String lastName, Integer age, Role role) { + this.employeeId = employeeId; + this.firstName = firstName; + this.lastName = lastName; + this.age = age; + this.role = role; + } + + public Integer getEmployeeId() { + return employeeId; + } + + public void setEmployeeId(Integer employeeId) { + this.employeeId = employeeId; + } + + public String getFirstName() { + return firstName; + } + + public void setFirstName(String firstName) { + this.firstName = firstName; + } + + public String getLastName() { + return lastName; + } + + public void setLastName(String lastName) { + this.lastName = lastName; + } + + public Integer getAge() { + return age; + } + + public void setAge(Integer age) { + this.age = age; + } + + public Role getRole() { + return role; + } + + public void setRole(Role role) { + this.role = role; + } +} + diff --git a/spring-5-reactive-client/src/main/java/com/baeldung/reactive/service/EmployeeService.java b/spring-5-reactive-client/src/main/java/com/baeldung/reactive/service/EmployeeService.java new file mode 100644 index 0000000000..b841dbfe3f --- /dev/null +++ b/spring-5-reactive-client/src/main/java/com/baeldung/reactive/service/EmployeeService.java @@ -0,0 +1,55 @@ +package com.baeldung.reactive.service; +import com.baeldung.reactive.model.Employee; +import org.springframework.web.reactive.function.client.WebClient; +import reactor.core.publisher.Mono; + +public class EmployeeService { + + private WebClient webClient; + public static String PATH_PARAM_BY_ID = "/employee/{id}"; + public static String ADD_EMPLOYEE = "/employee"; + + public EmployeeService(WebClient webClient) { + this.webClient = webClient; + } + + public EmployeeService(String baseUrl) { + this.webClient = WebClient.create(baseUrl); + } + + public Mono getEmployeeById(Integer employeeId) { + return webClient + .get() + .uri(PATH_PARAM_BY_ID, employeeId) + .retrieve() + .bodyToMono(Employee.class); + } + + public Mono addNewEmployee(Employee newEmployee) { + + return webClient + .post() + .uri(ADD_EMPLOYEE) + .syncBody(newEmployee) + .retrieve(). + bodyToMono(Employee.class); + } + + public Mono updateEmployee(Integer employeeId, Employee updateEmployee) { + + return webClient + .put() + .uri(PATH_PARAM_BY_ID,employeeId) + .syncBody(updateEmployee) + .retrieve() + .bodyToMono(Employee.class); + } + + public Mono deleteEmployeeById(Integer employeeId) { + return webClient + .delete() + .uri(PATH_PARAM_BY_ID,employeeId) + .retrieve() + .bodyToMono(String.class); + } +} diff --git a/spring-5-reactive-client/src/test/java/com/baeldung/reactive/service/EmployeeServiceIntegrationTest.java b/spring-5-reactive-client/src/test/java/com/baeldung/reactive/service/EmployeeServiceIntegrationTest.java new file mode 100644 index 0000000000..f5d9529ada --- /dev/null +++ b/spring-5-reactive-client/src/test/java/com/baeldung/reactive/service/EmployeeServiceIntegrationTest.java @@ -0,0 +1,121 @@ +package com.baeldung.reactive.service; + +import com.baeldung.reactive.model.Employee; +import com.baeldung.reactive.enums.Role; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import okhttp3.mockwebserver.MockResponse; +import okhttp3.mockwebserver.MockWebServer; +import okhttp3.mockwebserver.RecordedRequest; +import org.junit.Rule; +import org.junit.jupiter.api.*; +import reactor.core.publisher.Mono; +import reactor.test.StepVerifier; + +import java.io.IOException; + +import static org.junit.jupiter.api.Assertions.*; + +class EmployeeServiceIntegrationTest { + + public static MockWebServer mockBackEnd; + private EmployeeService employeeService; + private ObjectMapper MAPPER = new ObjectMapper(); + + @BeforeAll + static void setUp() throws IOException { + mockBackEnd = new MockWebServer(); + mockBackEnd.start(); + } + + @AfterAll + static void tearDown() throws IOException { + mockBackEnd.shutdown(); + } + + @BeforeEach + void initialize() { + + String baseUrl = String.format("http://localhost:%s", mockBackEnd.getPort()); + employeeService = new EmployeeService(baseUrl); + } + + @Test + void getEmployeeById() throws Exception { + + Employee mockEmployee = new Employee(100, "Adam", "Sandler", 32, Role.LEAD_ENGINEER); + mockBackEnd.enqueue(new MockResponse().setBody(MAPPER.writeValueAsString(mockEmployee)) + .addHeader("Content-Type", "application/json")); + + Mono employeeMono = employeeService.getEmployeeById(100); + + StepVerifier.create(employeeMono) + .expectNextMatches(employee -> employee.getRole().equals(Role.LEAD_ENGINEER)) + .verifyComplete(); + + RecordedRequest recordedRequest = mockBackEnd.takeRequest(); + assertEquals("GET", recordedRequest.getMethod()); + assertEquals("/employee/100", recordedRequest.getPath()); + } + + @Test + void addNewEmployee() throws Exception { + + Employee newEmployee = new Employee(null, "Adam", "Sandler", 32, Role.LEAD_ENGINEER); + Employee webClientResponse = new Employee(100, "Adam", "Sandler", 32, Role.LEAD_ENGINEER); + mockBackEnd.enqueue(new MockResponse().setBody(MAPPER.writeValueAsString(webClientResponse)) + .addHeader("Content-Type", "application/json")); + + Mono employeeMono = employeeService.addNewEmployee(newEmployee); + + StepVerifier.create(employeeMono) + .expectNextMatches(employee -> employee.getEmployeeId().equals(100)) + .verifyComplete(); + + RecordedRequest recordedRequest = mockBackEnd.takeRequest(); + assertEquals("POST", recordedRequest.getMethod()); + assertEquals("/employee", recordedRequest.getPath()); + } + + @Test + void updateEmployee() throws Exception { + + Integer newAge = 33; + String newLastName = "Sandler New"; + Employee updateEmployee = new Employee(100, "Adam", newLastName, newAge, Role.LEAD_ENGINEER); + mockBackEnd.enqueue(new MockResponse().setBody(MAPPER.writeValueAsString(updateEmployee)) + .addHeader("Content-Type", "application/json")); + + Mono updatedEmploye = employeeService.updateEmployee(100, updateEmployee); + + StepVerifier.create(updatedEmploye) + .expectNextMatches(employee -> employee.getLastName().equals(newLastName) && employee.getAge() == newAge) + .verifyComplete(); + + RecordedRequest recordedRequest = mockBackEnd.takeRequest(); + assertEquals("PUT", recordedRequest.getMethod()); + assertEquals("/employee/100", recordedRequest.getPath()); + + } + + + @Test + void deleteEmployee() throws Exception { + + String responseMessage = "Employee Deleted SuccessFully"; + Integer employeeId = 100; + mockBackEnd.enqueue(new MockResponse().setBody(MAPPER.writeValueAsString(responseMessage)) + .addHeader("Content-Type", "application/json")); + + Mono deletedEmployee = employeeService.deleteEmployeeById(employeeId); + + StepVerifier.create(deletedEmployee) + .expectNext("\"Employee Deleted SuccessFully\"") + .verifyComplete(); + + RecordedRequest recordedRequest = mockBackEnd.takeRequest(); + assertEquals("DELETE", recordedRequest.getMethod()); + assertEquals("/employee/100", recordedRequest.getPath()); + } + +} \ No newline at end of file diff --git a/spring-5-reactive-client/src/test/java/com/baeldung/reactive/service/EmployeeServiceUnitTest.java b/spring-5-reactive-client/src/test/java/com/baeldung/reactive/service/EmployeeServiceUnitTest.java new file mode 100644 index 0000000000..1d1a8fd2e4 --- /dev/null +++ b/spring-5-reactive-client/src/test/java/com/baeldung/reactive/service/EmployeeServiceUnitTest.java @@ -0,0 +1,114 @@ +package com.baeldung.reactive.service; + + +import com.baeldung.reactive.model.Employee; +import com.baeldung.reactive.enums.Role; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.api.extension.ExtendWith; +import org.mockito.Mock; +import org.mockito.exceptions.base.MockitoException; +import org.mockito.junit.MockitoJUnitRunner; +import org.mockito.junit.jupiter.MockitoExtension; +import org.springframework.web.reactive.function.client.WebClient; +import reactor.core.publisher.Mono; +import reactor.test.StepVerifier; + +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +@ExtendWith(MockitoExtension.class) +class EmployeeServiceUnitTest { + + EmployeeService employeeService; + @Mock + private WebClient webClientMock; + @Mock + private WebClient.RequestHeadersSpec requestHeadersMock; + @Mock + private WebClient.RequestHeadersUriSpec requestHeadersUriMock; + @Mock + private WebClient.RequestBodySpec requestBodyMock; + @Mock + private WebClient.RequestBodyUriSpec requestBodyUriMock; + @Mock + private WebClient.ResponseSpec responseMock; + + @BeforeEach + void setUp() { + employeeService = new EmployeeService(webClientMock); + } + + @Test + void givenEmployeeId_whenGetEmployeeById_thenReturnEmployee() { + + Integer employeeId = 100; + Employee mockEmployee = new Employee(100, "Adam", "Sandler", 32, Role.LEAD_ENGINEER); + when(webClientMock.get()).thenReturn(requestHeadersUriMock); + when(requestHeadersUriMock.uri("/employee/{id}", employeeId)).thenReturn(requestHeadersMock); + when(requestHeadersMock.retrieve()).thenReturn(responseMock); + when(responseMock.bodyToMono(Employee.class)).thenReturn(Mono.just(mockEmployee)); + + Mono employeeMono = employeeService.getEmployeeById(employeeId); + + StepVerifier.create(employeeMono) + .expectNextMatches(employee -> employee.getRole().equals(Role.LEAD_ENGINEER)) + .verifyComplete(); + } + + @Test + void givenEmployee_whenAddEmployee_thenAddNewEmployee() { + + Employee newEmployee = new Employee(null, "Adam", "Sandler", 32, Role.LEAD_ENGINEER); + Employee webClientResponse = new Employee(100, "Adam", "Sandler", 32, Role.LEAD_ENGINEER); + when(webClientMock.post()).thenReturn(requestBodyUriMock); + when(requestBodyUriMock.uri(EmployeeService.ADD_EMPLOYEE)).thenReturn(requestBodyMock); + when(requestBodyMock.syncBody(newEmployee)).thenReturn(requestHeadersMock); + when(requestHeadersMock.retrieve()).thenReturn(responseMock); + when(responseMock.bodyToMono(Employee.class)).thenReturn(Mono.just(webClientResponse)); + + Mono employeeMono = employeeService.addNewEmployee(newEmployee); + + StepVerifier.create(employeeMono) + .expectNextMatches(employee -> employee.getEmployeeId().equals(100)) + .verifyComplete(); + } + + @Test + void givenEmployee_whenupdateEmployee_thenUpdatedEmployee() { + + Integer newAge = 33; + String newLastName = "Sandler New"; + Employee updateEmployee = new Employee(100, "Adam", newLastName, newAge, Role.LEAD_ENGINEER); + when(webClientMock.put()).thenReturn(requestBodyUriMock); + when(requestBodyUriMock.uri(EmployeeService.PATH_PARAM_BY_ID, 100)).thenReturn(requestBodyMock); + when(requestBodyMock.syncBody(updateEmployee)).thenReturn(requestHeadersMock); + when(requestHeadersMock.retrieve()).thenReturn(responseMock); + when(responseMock.bodyToMono(Employee.class)).thenReturn(Mono.just(updateEmployee)); + + Mono updatedEmployee = employeeService.updateEmployee(100, updateEmployee); + + StepVerifier.create(updatedEmployee) + .expectNextMatches(employee -> employee.getLastName().equals(newLastName) && employee.getAge() == newAge) + .verifyComplete(); + + } + + @Test + void givenEmployee_whenDeleteEmployeeById_thenDeleteSuccessful() { + + String responseMessage = "Employee Deleted SuccessFully"; + when(webClientMock.delete()).thenReturn(requestHeadersUriMock); + when(requestHeadersUriMock.uri(EmployeeService.PATH_PARAM_BY_ID, 100)).thenReturn(requestHeadersMock); + when(requestHeadersMock.retrieve()).thenReturn(responseMock); + when(responseMock.bodyToMono(String.class)).thenReturn(Mono.just(responseMessage)); + + Mono deletedEmployee = employeeService.deleteEmployeeById(100); + + StepVerifier.create(deletedEmployee) + .expectNext(responseMessage) + .verifyComplete(); + } +} \ No newline at end of file