diff --git a/spring-resttemplate/src/main/java/org/baeldung/web/model/Employee.java b/spring-resttemplate/src/main/java/org/baeldung/web/model/Employee.java new file mode 100644 index 0000000000..7cab4a0430 --- /dev/null +++ b/spring-resttemplate/src/main/java/org/baeldung/web/model/Employee.java @@ -0,0 +1,48 @@ +package org.baeldung.web.model; + +import java.util.Date; +import java.util.Objects; + +public class Employee { + + private String id; + private String name; + + public Employee(String id, String name) { + this.id = id; + this.name = name; + } + + public Employee() { + } + + public String getId() { + return id; + } + + public void setId(String id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + @Override public boolean equals(Object o) { + if (this == o) + return true; + if (o == null || getClass() != o.getClass()) + return false; + Employee employee = (Employee) o; + return Objects.equals(id, employee.id); + } + + @Override public int hashCode() { + + return Objects.hash(id); + } +} diff --git a/spring-resttemplate/src/main/java/org/baeldung/web/service/EmployeeService.java b/spring-resttemplate/src/main/java/org/baeldung/web/service/EmployeeService.java new file mode 100644 index 0000000000..91614e90ad --- /dev/null +++ b/spring-resttemplate/src/main/java/org/baeldung/web/service/EmployeeService.java @@ -0,0 +1,29 @@ +package org.baeldung.web.service; + +import org.baeldung.web.model.Employee; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.stereotype.Service; +import org.springframework.web.client.RestTemplate; + +@Service +public class EmployeeService { + + static final String EMP_URL_PREFIX = "http://localhost:8080/employee"; + static final String URL_SEP = "/"; + + private static final Logger logger = LoggerFactory.getLogger(EmployeeService.class); + + @Autowired + private RestTemplate restTemplate; + + public Employee getEmployee(String id) { + + ResponseEntity resp = restTemplate.getForEntity("http://localhost:8080/employee/" + id, + Employee.class); + return resp.getStatusCode() == HttpStatus.OK ? resp.getBody() : null; + } +} diff --git a/spring-resttemplate/src/test/java/org/baeldung/SpringTestConfig.java b/spring-resttemplate/src/test/java/org/baeldung/SpringTestConfig.java new file mode 100644 index 0000000000..7c4bbb4e5e --- /dev/null +++ b/spring-resttemplate/src/test/java/org/baeldung/SpringTestConfig.java @@ -0,0 +1,19 @@ +package org.baeldung; + +import org.springframework.boot.autoconfigure.EnableAutoConfiguration; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.ComponentScan; +import org.springframework.context.annotation.Configuration; +import org.springframework.web.client.RestTemplate; + +@Configuration +@EnableAutoConfiguration +@ComponentScan("org.baeldung") +public class SpringTestConfig { + + @Bean + public RestTemplate restTemplate() { + return new RestTemplate(); + } + +} diff --git a/spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceMockRestServiceServerUnitTest.java b/spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceMockRestServiceServerUnitTest.java new file mode 100644 index 0000000000..a45af318f1 --- /dev/null +++ b/spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceMockRestServiceServerUnitTest.java @@ -0,0 +1,66 @@ +package org.baeldung.web.service; + +import static org.springframework.test.web.client.match.MockRestRequestMatchers.method; +import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo; +import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus; + +import java.net.URI; + +import org.baeldung.SpringTestConfig; +import org.baeldung.web.model.Employee; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.http.HttpMethod; +import org.springframework.http.HttpStatus; +import org.springframework.http.MediaType; +import org.springframework.test.context.ContextConfiguration; +import org.springframework.test.context.junit4.SpringRunner; +import org.springframework.test.web.client.ExpectedCount; +import org.springframework.test.web.client.MockRestServiceServer; +import org.springframework.web.client.RestTemplate; + +import com.fasterxml.jackson.databind.ObjectMapper; + +@RunWith(SpringRunner.class) +@ContextConfiguration(classes = SpringTestConfig.class) +public class EmployeeServiceMockRestServiceServerUnitTest { + + private static final Logger logger = LoggerFactory.getLogger(EmployeeServiceMockRestServiceServerUnitTest.class); + + @Autowired + private EmployeeService empService; + + @Autowired + private RestTemplate restTemplate; + + private MockRestServiceServer mockServer; + + private ObjectMapper mapper = new ObjectMapper(); + + @Before + public void init() { + mockServer = MockRestServiceServer.createServer(restTemplate); + } + + @Test + public void givenMockingIsDoneByMockRestServiceServer_whenGetIsCalled_shouldReturnMockedObject() throws Exception { + Employee emp = new Employee("E001", "Eric Simmons"); + + mockServer.expect(ExpectedCount.once(), + requestTo(new URI("http://localhost:8080/employee/E001"))) + .andExpect(method(HttpMethod.GET)) + .andRespond(withStatus(HttpStatus.OK) + .contentType(MediaType.APPLICATION_JSON) + .body(mapper.writeValueAsString(emp))); + + Employee employee = empService.getEmployee("E001"); + mockServer.verify(); + Assert.assertEquals(emp, employee); + } + +} diff --git a/spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceUnitTest.java b/spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceUnitTest.java new file mode 100644 index 0000000000..23cd9a8fd2 --- /dev/null +++ b/spring-resttemplate/src/test/java/org/baeldung/web/service/EmployeeServiceUnitTest.java @@ -0,0 +1,41 @@ +package org.baeldung.web.service; + +import org.baeldung.web.model.Employee; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.mockito.InjectMocks; +import org.mockito.Mock; +import org.mockito.Mockito; +import org.mockito.MockitoAnnotations; +import org.mockito.runners.MockitoJUnitRunner; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.web.client.RestTemplate; + +@RunWith(MockitoJUnitRunner.class) +public class EmployeeServiceUnitTest { + + private static final Logger logger = LoggerFactory.getLogger(EmployeeServiceUnitTest.class); + + @Mock + private RestTemplate restTemplate; + + @InjectMocks + private EmployeeService empService = new EmployeeService(); + + @Test + public void givenMockingIsDoneByMockito_whenGetIsCalled_shouldReturnMockedObject() throws Exception { + Employee emp = new Employee("E001", "Eric Simmons"); + Mockito.when(restTemplate.getForEntity("http://localhost:8080/employee/E001", Employee.class)) + .thenReturn(new ResponseEntity(emp, HttpStatus.OK)); + + Employee employee = empService.getEmployee("E001"); + + Assert.assertEquals(emp, employee); + } + +} diff --git a/spring-resttemplate/src/test/resources/logback-test.xml b/spring-resttemplate/src/test/resources/logback-test.xml new file mode 100644 index 0000000000..9f48d36486 --- /dev/null +++ b/spring-resttemplate/src/test/resources/logback-test.xml @@ -0,0 +1,23 @@ + + + + + %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n + + + + + + + + + + + + + + + + + + \ No newline at end of file