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@Value(staticConstructor
= "of")
public class UserDetails {
String firstName; String lastName; public static
UserDetails fromEntity(UserDetailsEntity entity)
{ return UserDetails.of(entity.getFirstName(),
entity.getLastName()); } public UserDetailsEntity
toEntity(long userId) { return new UserDetailsEntity(userId,
firstName, lastName); }} |
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@Value
public class UserContacts {
String email; String phone;} |
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@Value(staticConstructor
= "of")
public class User {
UserDetails userDetails; UserContacts userContacts;} |
REST API
@RestController
@RequestMapping("user")
@AllArgsConstructor
public class UserController {
private final UserService userService; @GetMapping("/{userId}")
//1 public User getUser(@PathVariable("userId")
long userId) { return userService.getUser(userId);
} @PostMapping("/{userId}/details")
//2 public void saveUserDetails(@PathVariable("userId")
long userId, @RequestBody UserDetails userDetails)
{ userService.saveDetails(userId, userDetails);
} @GetMapping("/{userId}/details") //3
public UserDetails getUserDetails(@PathVariable("userId")
long userId) { return userService.getDetails(userId);
} |
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@Component
public class ContactsServiceClient {
private final RestTemplate restTemplate; private
final String contactsServiceUrl; public ContactsServiceClient(final
RestTemplateBuilder restTemplateBuilder, @Value("${contacts.service.url}")
final String contactsServiceUrl) { this.restTemplate
= restTemplateBuilder.build(); this.contactsServiceUrl
= contactsServiceUrl; } public UserContacts getUserContacts(long
userId) { URI uri = UriComponentsBuilder.fromHttpUrl(contactsServiceUrl
+ "/contacts") .queryParam("userId",
userId).build().toUri(); return restTemplate.getForObject(uri,
UserContacts.class); }} |
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@Entity
@Data
@NoArgsConstructor
@AllArgsConstructor
public class UserDetailsEntity {
@Id private Long id; @Column private String
firstName; @Column private String lastName;}
@Repository
public interface UserDetailsRepository extends
JpaRepository {
}
|
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@Service
@AllArgsConstructor
public class UserService {
private final UserDetailsRepository userDetailsRepository;
private final ContactsServiceClient contactsServiceClient;
public User getUser(long userId) { UserDetailsEntity
userDetailsEntity = userDetailsRepository.getOne(userId);
//1 UserDetails userDetails = UserDetails.fromEntity(userDetailsEntity);
UserContacts userContacts = contactsServiceClient.getUserContacts(userId);
//2 return User.of(userDetails, userContacts);
//3 } public void saveDetails(long userId, UserDetails
userDetails) { UserDetailsEntity entity = userDetails.toEntity(userId);
userDetailsRepository.save(entity); } public UserDetails
getDetails(long userId) { UserDetailsEntity userDetailsEntity
= userDetailsRepository.getOne(userId); return
UserDetails.fromEntity(userDetailsEntity); }} |
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UserDetailsServiceApplication.java
@SpringBootApplication
public class UserDetailsServiceApplication {
public static void main(String[] args) { SpringApplication.run(UserDetailsServiceApplication .class,
args); }} |
application.properties:
#contact service
contacts.service.url=http://www.prod.contact.service.com
#database
user.details.db.host=prod.maria.url.com
user.details.db.port=3306
user.details.db.schema=user_details
spring.datasource.url=jdbc:mariadb://${user.details. db.host}:${user.details.db.port}/${user.details .db.schema }
spring.datasource.username=prod-username
spring.datasource.password=prod-password
spring.datasource.driver-class-name=org.mariadb.jdbc.Driver |
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xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
4.0.0 user-details-service 0.0.1-SNAPSHOT jar
User details service com.tdanylchuk functional-tests-best-practices
0.0.1-SNAPSHOT org.springframework.boot spring-boot-starter-data-jpa
org.springframework.boot spring-boot-starter-web
org.projectlombok lombok provided org.mariadb.jdbc
mariadb-java-client 2.3.0 org.springframework.boot
spring-boot-maven-plugin |
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4.0.0 com.tdanylchuk functional-tests-best-practices
0.0.1-SNAPSHOT pom Functional tests best practices
parent project org.springframework.boot spring-boot-starter-parent
2.0.4.RELEASE user-details-service user-details-service-functional-tests
UTF-8 UTF-8 1.8 |
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@Component
public class UserDetailsServiceSteps implements
ApplicationListener {
private int servicePort; public String getUser(long
userId) { return given().port(servicePort) .when().get("user/"
+ userId) .then().statusCode(200).contentType (ContentType.JSON).extract().asString();
} public void saveUserDetails(long userId, String
body) { given().port(servicePort).body(body).contentType (ContentType.JSON)
.when().post("user/" + userId + "/details")
.then().statusCode(200); } public String getUserDetails(long
userId) { return given().port(servicePort) .when().get ("user/"
+ userId + "/details") .then().statusCode(200).contentType(ContentType.JSON). extract().asString();
} @Override public void onApplicationEvent(@NotNull
WebServerInitializedEvent webServerInitializedEvent)
{ this.servicePort = webServerInitializedEvent. getWebServer().getPort();
}} |
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@Component
public class ContactsServiceSteps {
public void expectGetUserContacts(long userId,
String body)
{
stubFor(get(urlPathMatching("/contacts")).withQueryParam
("userId", equalTo(String.valueOf(userId)))
.willReturn(okJson(body)));
}} |
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<dependency>
<groupId>com.playtika.testcontainers</groupId>
<artifactId>embedded-mariadb</artifactId>
<version>1.9</version>
<scope>test</scope> </dependency> |
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<dependency>
<groupId> org.springframework.cloud </groupId>
<artifactId> spring-cloud-context </artifactId>
<version> 2.0.1.RELEASE </version>
<scope> test </scope> </dependency> |
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@RunWith ( SpringRunner
. class )
@SpringBootTest
(
classes = UserDetailsServiceApplication . class
, //1
webEnvironment = SpringBootTest . WebEnvironment.RANDOM_PORT)
//2
@ActiveProfiles ( "test" ) //3
public abstract class BaseFunctionalTest
{
@Rule
public WireMockRule contactsServiceMock = new
WireMockRule (options().port( 8777 )); //4
@Autowired //5
protected UserDetailsServiceStepsuserDetailsServiceSteps;
@Autowired
protected ContactsServiceSteps contactsServiceSteps;
@TestConfiguration //6
@ComponentScan
(
"com.tdanylchuk.user.details.steps"
)
public static class StepsConfiguration
{ } } |
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application-test.properties:
#contact service
#1
contacts.service.url=http:
//localhost:8777 #database #2 user.details.db.host=${embedded.mariadb.host} user.details.db.port=${embedded.mariadb.port} user.details.db.schema=${embedded.mariadb.schema} spring.datasource.username=${embedded.mariadb.user} spring.datasource.password=${embedded.mariadb.password}
#3 spring.jpa.hibernate.ddl-
auto
=create-drop |
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public class
RestUserDetailsTest
extends
BaseFunctionalTest
{
private static final long USER_ID = 32343L
;
private final String
userContactsResponse = readFile(
"json/user-contacts.json"
);
private final String
userDetails = readFile(
"json/user-details.json"
);
private final
String expectedUserResponse = readFile(
"json/user.json"
);
@Test
public void shouldSaveUserDetailsAndRetrieveUser()
throws Exception
{
//when userDetailsServiceSteps.saveUserDetails(USER_ID,
userDetails);
//and
contactsServiceSteps.expectGetUserContacts(USER_ID,
userContactsResponse);
//then
String actualUserResponse=userDetailsServiceSteps. getUser(USER_ID);
//expect
JSONAssert .assertEquals(expectedUserResponse,
actualUserResponse,
false
); } } |
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<?xml version=
"1.0" encoding= "UTF-8" ?>
<roject xmlns = "http://maven.apache.org/POM/4.0.0"
xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation ="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd"
>
<modelVersion> 4.0.0 </modelVersion>
<artifactId> user-details-service-functional-tests
</artifactId>
<version> 0.0.1-SNAPSHOT </version>
<name>User details service functional
tests </name>
<parent>
<groupId> com.tdanylchuk </groupId>
<artifactId> functional-tests-best-practices
</artifactId>
<version> 0.0.1-SNAPSHOT </version>
</parent>
<dependencies>
<dependency>
<!--1--
<groupId>com.tdanylchuk </groupId>
<artifactId> user-details-service </artifactId>
<version> ${project.version} </version>
<scope> test </scope>
</dependency>
<dependency>
<groupId>org.springframework.boot </groupId>
<artifactId> spring-boot-starter-test
</artifactId>
<scope> test </scope>
</dependency>
<dependency>
<groupId> org.springframework.cloud
</groupId>
<artifactId> spring-cloud-context </artifactId>
<version> 2.0.1.RELEASE </version>
<scope> test </scope>
</dependency>
<dependency>
<groupId> com.playtika.testcontainers
</groupId>
<artifactId> embedded-mariadb </artifactId>
<version> 1.9 </version>
<scope> test </scope>
</dependency>
<dependency>
<groupId> com.github.tomakehurst </groupId>
<artifactId> wiremock </artifactId>
<version> 2.18.0 </version>
<scope> test </scope>
</dependency>
<dependency>
<groupId> io.rest-assured </groupId>
<artifactId> rest-assured </artifactId>
<scope> test </scope>
</dependency>
</dependencies> </project> |
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