Отчёт.

This commit is contained in:
Programmist73 2023-05-26 17:39:58 +04:00
parent e9f9075f09
commit e3f7da3e4b
16 changed files with 131 additions and 502 deletions

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@ -1,23 +0,0 @@
# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.js
# testing
/coverage
# production
/build
# misc
.DS_Store
.env.local
.env.development.local
.env.test.local
.env.production.local
npm-debug.log*
yarn-debug.log*
yarn-error.log*

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@ -1,11 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>React App</title>
</head>
<body>
<div id="root"></div>
</body>
</html>

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@ -1,10 +0,0 @@
import React from 'react';
function App() {
return (
<div className="App">
</div>
);
}
export default App;

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@ -1,11 +0,0 @@
import React from 'react';
import ReactDOM from 'react-dom/client';
import App from './App';
const root = ReactDOM.createRoot(document.getElementById('root'));
root.render(
<App />
//document.getElementById('root'); - для работы этого надо поставит запятую после <App/>
//и делаем import 'react-dom', вместо 'react-dom/client'
);

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@ -12,6 +12,10 @@ repositories {
mavenCentral()
}
jar {
enabled = false
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
@ -20,6 +24,9 @@ dependencies {
implementation group: 'org.springdoc', name: 'springdoc-openapi-ui', version: '1.6.5'
implementation 'org.hibernate.validator:hibernate-validator'
implementation 'org.springdoc:springdoc-openapi-ui:1.6.5'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

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@ -1,100 +0,0 @@
package premium_store.model;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
@Entity
public class Client {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column(nullable = false, length = 255)
private String nickName;
@Column(nullable = false, length = 255)
private String email;
private Integer balance;
@OneToMany(fetch= FetchType.EAGER)
private List<Tank> tanks = new ArrayList<>();
public Client(){ }
public Client(String nickName, String email, Integer balance){
this.nickName = nickName;
this.email = email;
this.balance = balance;
}
public Long getId(){
return id;
}
public String getNickName(){
return nickName;
}
public void setNickName(String nickName){
this.nickName = nickName;
}
public String getEmail(){
return email;
}
public void setEmail(String email){
this.email = email;
}
public Integer getBalance(){
return balance;
}
public void setBalance(Integer balance){
this.balance = balance;
}
public List<Tank> getTanks(){
return tanks;
}
public void setTanks(List<Tank> tanks){
this.tanks = tanks;
}
//метод для сравнения
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
Client client = (Client) o;
return Objects.equals(id, client.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
//преобразование данных по объекту в строчку
@Override
public String toString() {
return "Client{" +
"id=" + id +
", nickName='" + nickName + '\'' +
", email='" + email + '\'' +
", balance='" + balance + '\'' +
", tanks='" + tanks.stream().map(Object::toString).collect(Collectors.joining(", ")) + '\'' +
'}';
}
}

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@ -1,62 +0,0 @@
package premium_store.model;
import javax.persistence.*;
import java.util.Objects;
@Entity
public class Level {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column(nullable = false)
private int level;
public Level() {
}
public Level(int level) {
this.level = level;
}
//возвращает id
public Long getId() {
return id;
}
//возвращает нацию
public int getLevel() {
return level;
}
public void setLevel(int level) {
this.level = level;
}
//метод для сравнения
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
Level level = (Level) o;
return Objects.equals(id, level.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
//преобразование данных по объекту в строчку
@Override
public String toString() {
return "Level{" +
"id=" + id +
", level='" + level + '}';
}
}

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@ -5,23 +5,23 @@ import java.util.*;
import java.util.stream.Collectors;
@Entity
@Table(name = "NATIONS")
public class Nation {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column(nullable = false)
@Column(name = "nation")
private String nation;
@OneToMany(mappedBy = "nation", fetch = FetchType.EAGER, cascade = CascadeType.MERGE)
private List<Tank> tanksOfThisNation;
private List<Tank> tanksOfThisNation = new ArrayList<>();
public Nation() {
}
public Nation(String nation) {
this.nation = nation;
tanksOfThisNation = new ArrayList<>();
}
//возвращает id
@ -42,8 +42,8 @@ public class Nation {
return tanksOfThisNation;
}
public void setTankOfThisNation(List<Tank> newTank){
this.tanksOfThisNation = newTank;
public void setTanksOfThisNation(Tank newTank){
this.tanksOfThisNation.add(newTank);
}
//метод для сравнения
@ -75,3 +75,4 @@ public class Nation {
'}';
}
}

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@ -4,6 +4,7 @@ import javax.persistence.*;
import java.util.Objects;
@Entity
@Table(name = "TANKS")
public class Tank {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@ -17,8 +18,8 @@ public class Tank {
private Nation nation;
@ManyToOne(fetch = FetchType.EAGER)
@JoinColumn(name = "level")
private Level level;
@JoinColumn(name = "tankLevel")
private TankLevel tankLevel;
@Column(nullable = false)
private int cost;
@ -26,10 +27,10 @@ public class Tank {
public Tank() {
}
public Tank(String name, Nation nation, Level level, int cost) {
public Tank(String name, Nation nation, TankLevel tankLevel, int cost) {
this.name = name;
this.nation = nation;
this.level = level;
this.tankLevel = tankLevel;
this.cost = cost;
}
@ -53,12 +54,12 @@ public class Tank {
this.cost = cost;
}
public Level getLevel() {
return level;
public TankLevel getLevel() {
return tankLevel;
}
public void setLevel(Level level) {
this.level = level;
public void setLevel(TankLevel tankLevel) {
this.tankLevel = tankLevel;
}
public Nation getNation() {
@ -91,9 +92,10 @@ public class Tank {
return "Tank{" +
"id=" + id +
", name='" + name + '\'' +
", nation='" + nation.getId() + '\'' +
", level='" + level + '\'' +
", nation='" + nation.getNation() + '\'' +
", level='" + tankLevel.getLevel() + '\'' +
", cost='" + cost + '\'' +
'}';
}
}

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@ -1,88 +0,0 @@
package premium_store.service;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import premium_store.model.Client;
import premium_store.model.Tank;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import javax.persistence.PersistenceContext;
import java.util.List;
@Service
public class ClientService {
@PersistenceContext
private EntityManager em;
@Transactional
public Client addClient(String newNickName, String newEmail, Integer newBallance) {
if (!StringUtils.hasText(newNickName) || !StringUtils.hasText(newEmail)) {
throw new IllegalArgumentException("NickName or newEmail is zero or empty");
}
final Client client = new Client(newNickName, newEmail, newBallance);
em.persist(client);
return client;
}
@Transactional(readOnly = true)
public Client findClient(Long id) {
final Client Client = em.find(Client.class, id);
if (Client == null) {
throw new EntityNotFoundException(String.format("Client with id [%s] is not found", id));
}
return Client;
}
@Transactional(readOnly = true)
public List<Client> findAllClients() {
return em.createQuery("select c from Client c", Client.class)
.getResultList();
}
@Transactional
public Client updateClient(Long id, String newNickName, String newEmail, Integer newBalance, List<Tank> newTanks) {
if (id <= 0) {
throw new IllegalArgumentException("Invalid id");
}
final Client currentClient = findClient(id);
if (StringUtils.hasText(newNickName)){
currentClient.setNickName(newNickName);
}
if(StringUtils.hasText(newEmail)){
currentClient.setEmail(newEmail);
}
if(newBalance != null){
currentClient.setBalance(newBalance);
}
if(newTanks != null){
currentClient.setTanks(newTanks);
}
return em.merge(currentClient);
}
@Transactional
public Client deleteClient(Long id) {
final Client currentClient = findClient(id);
em.remove(currentClient);
return currentClient;
}
//прямой sql-запрос на удаление всех записей в таблице
@Transactional
public void deleteAllClients() {
em.createQuery("Delete from Client").executeUpdate();
}
}

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@ -1,70 +0,0 @@
package premium_store.service;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import premium_store.model.Level;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import javax.persistence.PersistenceContext;
import java.util.List;
@Service
public class LevelService {
@PersistenceContext
private EntityManager em;
@Transactional
public Level addLevel(int newLevel) {
if (newLevel <= 0) {
throw new IllegalArgumentException("Level name is zero or less");
}
final Level level = new Level(newLevel);
em.persist(level);
return level;
}
@Transactional(readOnly = true)
public Level findLevel(Long id) {
final Level level = em.find(Level.class, id);
if (level == null) {
throw new EntityNotFoundException(String.format("Level with id [%s] is not found", id));
}
return level;
}
@Transactional(readOnly = true)
public List<Level> findAllLevels() {
return em.createQuery("select s from Level s", Level.class)
.getResultList();
}
@Transactional
public Level updateLevel(Long id, int newLevel) {
if (newLevel <= 0) {
throw new IllegalArgumentException("Level name is zero or less");
}
final Level currentLevel = findLevel(id);
currentLevel.setLevel(newLevel);
return em.merge(currentLevel);
}
@Transactional
public Level deleteLevel(Long id) {
final Level currentLevel = findLevel(id);
em.remove(currentLevel);
return currentLevel;
}
@Transactional
public void deleteAllLevels() {
em.createQuery("Delete from Level").executeUpdate();
}
}

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@ -5,48 +5,47 @@ import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import premium_store.model.Nation;
import premium_store.model.Tank;
import premium_store.repository.NationRepository;
import premium_store.service.exception.NationNotFoundException;
import premium_store.util.validation.ValidatorUtil;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import javax.persistence.PersistenceContext;
import java.util.List;
import java.util.Optional;
@Service
public class NationService {
@PersistenceContext
private EntityManager em;
private final NationRepository nationRepository;
private final ValidatorUtil validatorUtil;
public NationService(NationRepository nationRepository, ValidatorUtil validatorUtil){
this.nationRepository = nationRepository;
this.validatorUtil = validatorUtil;
}
@Transactional
public Nation addNation(String nameNation){
if(!StringUtils.hasText(nameNation)){
throw new IllegalArgumentException("The name of the nation is null or empty");
}
final Nation nation = new Nation(nameNation);
em.persist(nation);
return nation;
validatorUtil.validate(nation);
return nationRepository.save(nation);
}
//здесь используем Optional - спец. тип данных, позволяющий определять, вернулось ли что-то при вызове метода, или вернулся null
@Transactional(readOnly = true)
public Nation findNation(Long id){
final Nation nation = em.find(Nation.class, id);
final Optional<Nation> nation = nationRepository.findById(id);
if(nation == null){
throw new EntityNotFoundException(String.format("Nation with id [%s] is not found", id));
}
return nation;
//благодаря Optional можем вызвать orElseThrow, который в случае null сделает проброс кастомного исключения
return nation.orElseThrow(() -> new NationNotFoundException(id));
}
@Transactional(readOnly = true)
public List<Nation> findAllNations() {
return em.createQuery("select n from Nation n", Nation.class)
.getResultList();
return nationRepository.findAll();
}
@Transactional
public Nation updateNation(Long id, String newNation, List<Tank> newTank) {
public Nation updateNation(Long id, String newNation, Tank newTank) {
if(id <= 0){
throw new IllegalArgumentException(String.format("Incorrect id: [%s]", id));
}
@ -57,23 +56,23 @@ public class NationService {
currentNation.setNation(newNation);
}
if(newTank.size() > 0){
currentNation.setTankOfThisNation(newTank);
if(newTank != null){
currentNation.setTanksOfThisNation(newTank);
}
return em.merge(currentNation);
return nationRepository.save(currentNation);
}
@Transactional
public Nation deleteNAtion(Long id) {
public Nation deleteNation(Long id) {
final Nation currentNation = findNation(id);
em.remove(currentNation);
nationRepository.delete(currentNation);
return currentNation;
}
@Transactional
public void deleteAllNations() {
em.createQuery("delete from Nation").executeUpdate();
nationRepository.deleteAll();
}
}

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@ -3,52 +3,49 @@ package premium_store.service;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import premium_store.model.Level;
import premium_store.model.TankLevel;
import premium_store.model.Nation;
import premium_store.model.Tank;
import premium_store.repository.TankRepository;
import premium_store.service.exception.TankNotFoundException;
import premium_store.util.validation.ValidatorUtil;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import javax.persistence.PersistenceContext;
import java.util.List;
import java.util.Optional;
@Service
public class TankService {
@PersistenceContext
private EntityManager em;
private final TankRepository tankRepository;
private final ValidatorUtil validatorUtil;
public TankService(TankRepository tankRepository, ValidatorUtil validatorUtil){
this.tankRepository = tankRepository;
this.validatorUtil = validatorUtil;
}
@Transactional
public Tank addTank(String newName, Nation newNation, Level newLevel, int newCost) {
if (!StringUtils.hasText(newName) || newNation == null || newLevel == null || newCost <= 0) {
throw new IllegalArgumentException("New Name, new Nation, new Level or newCost is zero or empty");
}
public Tank addTank(String newName, Nation newNation, TankLevel newTankLevel, int newCost) {
final Tank tank = new Tank(newName, newNation, newTankLevel, newCost);
validatorUtil.validate(tank);
final Tank tank = new Tank(newName, newNation, newLevel, newCost);
em.persist(tank);
return tank;
return tankRepository.save(tank);
}
@Transactional(readOnly = true)
public Tank findTank(Long id) {
final Tank Tank = em.find(Tank.class, id);
final Optional<Tank> tank = tankRepository.findById(id);
if (Tank == null) {
throw new EntityNotFoundException(String.format("Tank with id [%s] is not found", id));
}
return Tank;
return tank.orElseThrow(() -> new TankNotFoundException(id));
}
@Transactional(readOnly = true)
public List<Tank> findAllTanks() {
return em.createQuery("select t from Tank t", Tank.class)
.getResultList();
return tankRepository.findAll();
}
@Transactional
public Tank updateTank(Long id, String newName, Nation newNation,
Level newLevel, int newCost) {
TankLevel newLevel, int newCost) {
if (id <= 0) {
throw new IllegalArgumentException("Invalid id");
}
@ -71,29 +68,26 @@ public class TankService {
currentTank.setCost(newCost);
}
return em.merge(currentTank);
return tankRepository.save(currentTank);
}
@Transactional
public Tank deleteTank(Long id) {
final Tank currentTank = findTank(id);
em.remove(currentTank);
tankRepository.delete(currentTank);
return currentTank;
}
//прямой sql-запрос на удаление всех записей в таблице
//запрос на удаление всех записей в таблице
@Transactional
public void deleteAllTanks() {
em.createQuery("Delete from Tank").executeUpdate();
tankRepository.deleteAll();
}
@Transactional(readOnly = true)
public List<Tank> findTank(Level level, Nation nation) {
return em.createQuery("select t from Tank t where t.nation.nation = :Nid and t.level.level BETWEEN :Llevel AND :L2level", Tank.class)
.setParameter("Nid", nation.getNation())
.setParameter("Llevel", level.getLevel())
.setParameter("L2level", level.getLevel() + 1)
.getResultList();
public List<Tank> findListTank(String nationName, int levelFirst, int levelSecond) {
return tankRepository.checkNationAndLevel(nationName, levelFirst, levelSecond);
}
}

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@ -1,5 +1,6 @@
spring.main.banner-mode=off
#server.port=8080
server.port=8080
server.tomcat.relaxed-query-chars=|,{,},[,]
spring.datasource.url=jdbc:h2:file:./data
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
@ -8,4 +9,4 @@ spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=update
spring.h2.console.enabled=true
spring.h2.console.settings.trace=false
spring.h2.console.settings.web-allow-others=false
spring.h2.console.settings.web-allow-others=false

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@ -1,11 +1,11 @@
package premium_store;
import premium_store.model.Client;
import premium_store.model.Level;
import premium_store.model.GameClient;
import premium_store.model.TankLevel;
import premium_store.model.Nation;
import premium_store.model.Tank;
import premium_store.service.ClientService;
import premium_store.service.LevelService;
import premium_store.service.GameClientService;
import premium_store.service.TankLevelService;
import premium_store.service.NationService;
import premium_store.service.TankService;
@ -15,56 +15,56 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import premium_store.service.exception.ClientNotFoundException;
import javax.persistence.EntityNotFoundException;
import java.util.*;
@SpringBootTest
class PremiumStoreApplicationTests {
private static final Logger log = LoggerFactory.getLogger(PremiumStoreApplicationTests.class);
private static final Logger log = LoggerFactory.getLogger(PremiumStoreApplicationTests.class);
@Autowired
TankService tankService;
@Autowired
ClientService clientService;
TankService tankService;
@Autowired
LevelService levelService;
GameClientService gameClientService;
@Autowired
NationService nationService;
TankLevelService tankLevelService;
@Test
void testClientRead() {
clientService.deleteAllClients();
@Autowired
NationService nationService;
Client client = clientService.addClient("3tankista73", "fff@mail.ru", 3400);
log.info(client.toString());
@Test
void testClientRead() {
gameClientService.deleteAllClients();
Client findClient = clientService.findClient(client.getId());
log.info(findClient.toString());
GameClient client = gameClientService.addClient("3tankista73", "fff@mail.ru", 3400);
log.info(client.toString());
Assertions.assertEquals(client, findClient);
}
GameClient findClient = gameClientService.findClient(client.getId());
log.info(findClient.toString());
Assertions.assertEquals(client, findClient);
}
@Test
void testNationRead() {
nationService.deleteAllNations();
tankService.deleteAllTanks();
levelService.deleteAllLevels();
tankLevelService.deleteAllLevels();
Nation nation = nationService.addNation("Германия");
Level firstLevel = levelService.addLevel(8);
Level secondLevel = levelService.addLevel(9);
TankLevel firstLevel = tankLevelService.addLevel(8);
TankLevel secondLevel = tankLevelService.addLevel(9);
Tank firstTank = tankService.addTank("ИС-3", nation, firstLevel, 3700000);
Tank secondTank = tankService.addTank("E-75", nation, secondLevel, 5600000);
List<Tank> tanks = new ArrayList<>(Arrays.asList(firstTank, secondTank));
nation = nationService.updateNation(nation.getId(), "СССР", tanks);
nation = nationService.updateNation(nation.getId(), "СССР", null);
log.info(nation.toString());
@ -76,30 +76,30 @@ class PremiumStoreApplicationTests {
@Test
void testClientReadNotFound() {
clientService.deleteAllClients();
Assertions.assertThrows(EntityNotFoundException.class, () -> clientService.findClient(-1L));
gameClientService.deleteAllClients();
Assertions.assertThrows(ClientNotFoundException.class, () -> gameClientService.findClient(-1L));
}
@Test
void testLevelRead() {
tankService.deleteAllTanks();
levelService.deleteAllLevels();
tankLevelService.deleteAllLevels();
Level level = levelService.addLevel(8);
TankLevel level = tankLevelService.addLevel(8);
log.info(level.toString());
Level secondLevel = levelService.addLevel(9);
TankLevel secondLevel = tankLevelService.addLevel(9);
log.info(secondLevel.toString());
Assertions.assertEquals(levelService.findAllLevels().size(), 2);
Assertions.assertEquals(tankLevelService.findAllLevels().size(), 2);
}
@Test
void testLevelReadAllEmpty() {
tankService.deleteAllTanks();
levelService.deleteAllLevels();
tankLevelService.deleteAllLevels();
List<Level> levels = levelService.findAllLevels();
List<TankLevel> levels = tankLevelService.findAllLevels();
log.info(levels.toString());
Assertions.assertEquals(levels.size(), 0);
@ -108,10 +108,10 @@ class PremiumStoreApplicationTests {
@Test
void testTankReadAll() {
tankService.deleteAllTanks();
levelService.deleteAllLevels();
tankLevelService.deleteAllLevels();
Level firstLevel = levelService.addLevel(8);
Level secondLevel = levelService.addLevel(9);
TankLevel firstLevel = tankLevelService.addLevel(8);
TankLevel secondLevel = tankLevelService.addLevel(9);
tankService.addTank("ИС-3", nationService.addNation("СССР"), firstLevel, 3700000);
tankService.addTank("E-75", nationService.addNation("Германия"), secondLevel, 5600000);
@ -124,25 +124,25 @@ class PremiumStoreApplicationTests {
@Test
void testClientCreate() {
clientService.deleteAllClients();
gameClientService.deleteAllClients();
Client firstClient = clientService.addClient("Barbarian", "dsfg@gmail.com", 56000);
GameClient firstClient = gameClientService.addClient("Barbarian", "dsfg@gmail.com", 56000);
log.info(firstClient.toString());
Client secondClient = clientService.addClient("KorbenDallas", "tankoviyGeniy@mail.ru", 37000);
GameClient secondClient = gameClientService.addClient("KorbenDallas", "tankoviyGeniy@mail.ru", 37000);
log.info(secondClient.toString());
Assertions.assertEquals(clientService.findAllClients().size(), 2);
Assertions.assertEquals(gameClientService.findAllClients().size(), 2);
}
@Test
void testUpdateTank(){
tankService.deleteAllTanks();
levelService.deleteAllLevels();
clientService.deleteAllClients();
tankService.deleteAllTanks();
tankLevelService.deleteAllLevels();
gameClientService.deleteAllClients();
Level firstLevel = levelService.addLevel(8);
Level secondLevel = levelService.addLevel(9);
TankLevel firstLevel = tankLevelService.addLevel(8);
TankLevel secondLevel = tankLevelService.addLevel(9);
Tank firstTank = tankService.addTank("ИС-3", nationService.addNation("СССР"), firstLevel, 3700000);
Tank secondTank = tankService.addTank("E-75", nationService.addNation("Германия"), secondLevel, 5600000);
@ -161,22 +161,22 @@ class PremiumStoreApplicationTests {
void testNewTest() {
nationService.deleteAllNations();
tankService.deleteAllTanks();
levelService.deleteAllLevels();
tankLevelService.deleteAllLevels();
Nation nation = nationService.addNation("Германия");
Nation newNation = nationService.addNation("CCCР");
Level firstLevel = levelService.addLevel(8);
Level secondLevel = levelService.addLevel(9);
TankLevel firstLevel = tankLevelService.addLevel(8);
TankLevel secondLevel = tankLevelService.addLevel(9);
Tank firstTank = tankService.addTank("ИС-3", nation, firstLevel, 3700000);
Tank secondTank = tankService.addTank("E-75", nation, secondLevel, 5600000);
List<Tank> tanks = new ArrayList<>(Arrays.asList(firstTank, secondTank));
nation = nationService.updateNation(nation.getId(), "СССР", tanks);
nation = nationService.updateNation(nation.getId(), "СССР", null);
tanks = tankService.findTank(firstLevel, nation);
//tanks = tankService.findListTank(firstLevel, nation);
log.info("AAAAA" + tanks.toString());
}