2021-02 - 15

2026-05-30 10:50:42 +00:00 · 2022-04-23 12:49:40 +06:00
parent 50465b2038
commit 00f1480e96
48 changed files with 1788 additions and 0 deletions
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project 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>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-class-work</artifactId>
+    <version>1.0</version>
+
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>spring-mvc-exercise</module>
+        <module>spring-mvc-solution-1</module>
+        <module>spring-mvc-solution-2</module>
+        <module>spring-mvc-solution-3</module>
+        <module>spring-mvc-demo</module>
+    </modules>
+</project>
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project 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>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-demo</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.6.2</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-keyvalue</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,28 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.map.repository.config.EnableMapRepositories;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@EnableMapRepositories
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person(1, "Pushkin"));
+    }
+}
@@ -0,0 +1,21 @@
+package ru.otus.spring.config;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import ru.otus.spring.rest.resolvers.SystemInfoMethodArgumentResolver;
+
+import java.util.List;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+
+    @Autowired
+    private SystemInfoMethodArgumentResolver systemInfoMethodArgumentResolver;
+
+    @Override
+    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers) {
+        resolvers.add(systemInfoMethodArgumentResolver);
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.keyvalue.annotation.KeySpace;
+
+@KeySpace("person")
+public class Person {
+
+    @Id
+    private long id;
+    private String name;
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public Person(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,31 @@
+package ru.otus.spring.domain;
+
+public class SystemInfo {
+    private final String osName;
+    private final String timeZone;
+    private final String osArch;
+    private final int processorsCount;
+
+    public SystemInfo(String osName, String timeZone, String osArch, int processorsCount) {
+        this.osName = osName;
+        this.timeZone = timeZone;
+        this.osArch = osArch;
+        this.processorsCount = processorsCount;
+    }
+
+    public String getOsName() {
+        return osName;
+    }
+
+    public String getTimeZone() {
+        return timeZone;
+    }
+
+    public String getOsArch() {
+        return osArch;
+    }
+
+    public int getProcessorsCount() {
+        return processorsCount;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.PagingAndSortingRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends PagingAndSortingRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,64 @@
+package ru.otus.spring.rest;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+import ru.otus.spring.rest.exceptions.NotFoundException;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RestController
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    public PersonController(PersonRepository repository) {
+        this.repository = repository;
+    }
+
+    @RequestMapping(value = "/persons/all", method = RequestMethod.GET)
+    public List<PersonDto> getAllPersons() {
+        return repository.findAll().stream()
+                .map(PersonDto::toDto)
+                .collect(Collectors.toList());
+    }
+
+    @RequestMapping(value = "/persons", method = RequestMethod.GET)
+    public PersonDto getPersonByIdInRequest(@RequestParam("id") long id) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        return PersonDto.toDto(person);
+    }
+
+    @GetMapping("/persons/{id}")
+    public PersonDto getPersonByIdInPath(@PathVariable("id") long id) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        return PersonDto.toDto(person);
+    }
+
+    @PostMapping("/persons")
+    public PersonDto createNewPerson(@RequestBody PersonDto dto) {
+        Person person = PersonDto.toDomainObject(dto);
+        Person savedPerson = repository.save(person);
+        return PersonDto.toDto(savedPerson);
+    }
+
+    @PatchMapping("/persons/{id}/name")
+    public PersonDto updateNameById(@PathVariable("id") long id, @RequestParam("name") String name) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        person.setName(name);
+        return PersonDto.toDto(repository.save(person));
+    }
+
+    @DeleteMapping("/persons/{id}")
+    public void deleteById(@PathVariable("id") long id) {
+        repository.deleteById(id);
+    }
+
+    @ExceptionHandler(NotFoundException.class)
+    public ResponseEntity<String> handleNotFound(NotFoundException ex) {
+        return ResponseEntity.badRequest().body("Таких тут нет!");
+    }
+}
@@ -0,0 +1,14 @@
+package ru.otus.spring.rest;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import ru.otus.spring.domain.SystemInfo;
+
+@RestController
+public class SystemInfoController {
+
+    @GetMapping("/server/system/info")
+    public SystemInfo getServerSystemInfo(SystemInfo systemInfo) {
+        return systemInfo;
+    }
+}
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2016 Russian Post
+ *
+ * This source code is Russian Post Confidential Proprietary.
+ * This software is protected by copyright. All rights and titles are reserved.
+ * You shall not use, copy, distribute, modify, decompile, disassemble or reverse engineer the software.
+ * Otherwise this violation would be treated by law and would be subject to legal prosecution.
+ * Legal use of the software provides receipt of a license from the right name only.
+ */
+package ru.otus.spring.rest.dto;
+
+import ru.otus.spring.domain.Person;
+
+/**
+ * DTO that represents Person
+ */
+@SuppressWarnings("all")
+public class PersonDto {
+
+    private long id;
+    private String name;
+
+    public PersonDto() {
+    }
+
+    public PersonDto(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public static Person toDomainObject(PersonDto dto) {
+        return new Person(dto.getId(), dto.getName());
+    }
+
+    public static PersonDto toDto(Person person) {
+        return new PersonDto(person.getId(), person.getName());
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.rest.exceptions;
+
+public class NotFoundException extends RuntimeException{
+
+    public NotFoundException() {
+    }
+}
@@ -0,0 +1,33 @@
+package ru.otus.spring.rest.resolvers;
+
+import org.springframework.core.MethodParameter;
+import org.springframework.stereotype.Component;
+import org.springframework.web.bind.support.WebDataBinderFactory;
+import org.springframework.web.context.request.NativeWebRequest;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.web.method.support.ModelAndViewContainer;
+import ru.otus.spring.domain.SystemInfo;
+import ru.otus.spring.service.SystemInfoService;
+
+@Component
+public class SystemInfoMethodArgumentResolver implements HandlerMethodArgumentResolver {
+
+    private final SystemInfoService systemInfoService;
+
+    public SystemInfoMethodArgumentResolver(SystemInfoService systemInfoService) {
+        this.systemInfoService = systemInfoService;
+    }
+
+    @Override
+    public boolean supportsParameter(MethodParameter parameter) {
+        return parameter.getParameterType().equals(SystemInfo.class);
+    }
+
+    @Override
+    public Object resolveArgument(MethodParameter parameter,
+                                  ModelAndViewContainer mavContainer,
+                                  NativeWebRequest webRequest,
+                                  WebDataBinderFactory binderFactory) throws Exception {
+        return systemInfoService.getSystemInfo();
+    }
+}
@@ -0,0 +1,17 @@
+package ru.otus.spring.service;
+
+import org.springframework.stereotype.Service;
+import ru.otus.spring.domain.SystemInfo;
+
+@Service
+public class SystemInfoService {
+
+    public SystemInfo getSystemInfo(){
+        String osName = System.getProperty("os.name");
+        String timeZone = System.getProperty("user.timezone");
+        String osArch = System.getProperty("os.arch");
+        int processorsCount = Runtime.getRuntime().availableProcessors();
+        return new SystemInfo(osName, timeZone, osArch, processorsCount);
+
+    }
+}
@@ -0,0 +1,127 @@
+package ru.otus.spring.rest;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+import ru.otus.spring.service.SystemInfoService;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.springframework.http.MediaType.APPLICATION_JSON;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(PersonController.class)
+class PersonControllerTest {
+
+    public static final String ERROR_STRING = "Таких тут нет!";
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private ObjectMapper mapper;
+
+    @MockBean
+    private PersonRepository repository;
+
+    @MockBean
+    private SystemInfoService systemInfoService;
+
+    @Test
+    void shouldReturnCorrectPersonsList() throws Exception {
+        List<Person> persons = List.of(new Person(1, "Person1"), new Person(2, "Person2"));
+        given(repository.findAll()).willReturn(persons);
+
+        List<PersonDto> expectedResult = persons.stream()
+                .map(PersonDto::toDto).collect(Collectors.toList());
+
+        mvc.perform(get("/persons/all"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInRequest() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInPath() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnExpectedErrorWhenPersonNotFound() throws Exception {
+        given(repository.findById(1L)).willReturn(Optional.empty());
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+    }
+
+    @Test
+    void shouldCorrectSaveNewPerson() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.save(any())).willReturn(person);
+        String expectedResult = mapper.writeValueAsString(PersonDto.toDto(person));
+
+        mvc.perform(post("/persons").contentType(APPLICATION_JSON)
+                .content(expectedResult))
+                .andExpect(status().isOk())
+                .andExpect(content().json(expectedResult));
+    }
+
+    @Test
+    void shouldCorrectUpdatePersonName() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        given(repository.save(any())).willAnswer(invocation -> invocation.getArgument(0));
+
+        Person expectedPerson = new Person(1, "Person2");
+        String expectedResult = mapper.writeValueAsString(PersonDto.toDto(expectedPerson));
+
+        mvc.perform(patch("/persons/{id}/name", 1).param("name", expectedPerson.getName())
+                .content(expectedResult))
+                .andExpect(status().isOk())
+                .andExpect(content().json(expectedResult));
+    }
+
+    @Test
+    void shouldCorrectDeletePerson() throws Exception {
+        mvc.perform(delete("/persons/1"))
+                .andExpect(status().isOk());
+        verify(repository, times(1)).deleteById(1L);
+    }
+
+
+}
@@ -0,0 +1,34 @@
+package ru.otus.spring.rest;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.context.annotation.Import;
+import org.springframework.test.web.servlet.MockMvc;
+import ru.otus.spring.domain.SystemInfo;
+import ru.otus.spring.service.SystemInfoService;
+
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+
+@WebMvcTest(SystemInfoController.class)
+@Import(SystemInfoService.class)
+class SystemInfoControllerTest {
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private ObjectMapper mapper;
+
+    @Autowired
+    private SystemInfoService systemInfoService;
+
+    @Test
+    void shouldReturnCorrectServerSystemInfo() throws Exception {
+        SystemInfo expectedSystemInfo = systemInfoService.getSystemInfo();
+        mvc.perform(get("/server/system/info"))
+                .andExpect(content().json(mapper.writeValueAsString(expectedSystemInfo)));
+    }
+}
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project 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>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-exercise</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.6.2</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-keyvalue</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,28 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.map.repository.config.EnableMapRepositories;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@EnableMapRepositories
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person(1, "Pushkin"));
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.keyvalue.annotation.KeySpace;
+
+@KeySpace("person")
+public class Person {
+
+    @Id
+    private long id;
+    private String name;
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public Person(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.PagingAndSortingRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends PagingAndSortingRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,13 @@
+package ru.otus.spring.rest;
+
+import ru.otus.spring.repostory.PersonRepository;
+
+
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    public PersonController(PersonRepository repository) {
+        this.repository = repository;
+    }
+}
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2016 Russian Post
+ *
+ * This source code is Russian Post Confidential Proprietary.
+ * This software is protected by copyright. All rights and titles are reserved.
+ * You shall not use, copy, distribute, modify, decompile, disassemble or reverse engineer the software.
+ * Otherwise this violation would be treated by law and would be subject to legal prosecution.
+ * Legal use of the software provides receipt of a license from the right name only.
+ */
+package ru.otus.spring.rest.dto;
+
+import ru.otus.spring.domain.Person;
+
+/**
+ * DTO that represents Person
+ */
+@SuppressWarnings("all")
+public class PersonDto {
+
+    private long id;
+    private String name;
+
+    public PersonDto() {
+    }
+
+    public PersonDto(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public static Person toDomainObject(PersonDto dto) {
+        return new Person(dto.getId(), dto.getName());
+    }
+
+    public static PersonDto toDto(Person person) {
+        return new PersonDto(person.getId(), person.getName());
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.rest.exeptions;
+
+public class NotFoundException extends RuntimeException{
+
+    public NotFoundException() {
+    }
+}
@@ -0,0 +1,85 @@
+package ru.otus.spring.rest;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static org.mockito.BDDMockito.given;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(PersonController.class)
+class PersonControllerTest {
+
+    public static final String ERROR_STRING = "Таких тут нет!";
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private ObjectMapper mapper;
+
+    @MockBean
+    private PersonRepository repository;
+
+    @Test
+    void shouldReturnCorrectPersonsList() throws Exception {
+        List<Person> persons = List.of(new Person(1, "Person1"), new Person(2, "Person2"));
+        given(repository.findAll()).willReturn(persons);
+
+        List<PersonDto> expectedResult = persons.stream()
+                .map(PersonDto::toDto).collect(Collectors.toList());
+
+        mvc.perform(get("/persons/all"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInRequest() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInPath() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnExpectedErrorWhenPersonNotFound() throws Exception {
+        given(repository.findById(1L)).willReturn(Optional.empty());
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+    }
+
+
+}
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project 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>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-solution-1</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.6.2</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-keyvalue</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,28 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.map.repository.config.EnableMapRepositories;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@EnableMapRepositories
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person(1, "Pushkin"));
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.keyvalue.annotation.KeySpace;
+
+@KeySpace("person")
+public class Person {
+
+    @Id
+    private long id;
+    private String name;
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public Person(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.PagingAndSortingRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends PagingAndSortingRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,25 @@
+package ru.otus.spring.rest;
+
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RestController
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    public PersonController(PersonRepository repository) {
+        this.repository = repository;
+    }
+
+    @RequestMapping(value = "/persons/all", method = RequestMethod.GET)
+    public List<PersonDto> getAllPersons() {
+        return repository.findAll().stream()
+                .map(PersonDto::toDto)
+                .collect(Collectors.toList());
+    }
+}
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2016 Russian Post
+ *
+ * This source code is Russian Post Confidential Proprietary.
+ * This software is protected by copyright. All rights and titles are reserved.
+ * You shall not use, copy, distribute, modify, decompile, disassemble or reverse engineer the software.
+ * Otherwise this violation would be treated by law and would be subject to legal prosecution.
+ * Legal use of the software provides receipt of a license from the right name only.
+ */
+package ru.otus.spring.rest.dto;
+
+import ru.otus.spring.domain.Person;
+
+/**
+ * DTO that represents Person
+ */
+@SuppressWarnings("all")
+public class PersonDto {
+
+    private long id;
+    private String name;
+
+    public PersonDto() {
+    }
+
+    public PersonDto(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public static Person toDomainObject(PersonDto dto) {
+        return new Person(dto.getId(), dto.getName());
+    }
+
+    public static PersonDto toDto(Person person) {
+        return new PersonDto(person.getId(), person.getName());
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.rest.exceptions;
+
+public class NotFoundException extends RuntimeException{
+
+    public NotFoundException() {
+    }
+}
@@ -0,0 +1,85 @@
+package ru.otus.spring.rest;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static org.mockito.BDDMockito.given;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(PersonController.class)
+class PersonControllerTest {
+
+    public static final String ERROR_STRING = "Таких тут нет!";
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private ObjectMapper mapper;
+
+    @MockBean
+    private PersonRepository repository;
+
+    @Test
+    void shouldReturnCorrectPersonsList() throws Exception {
+        List<Person> persons = List.of(new Person(1, "Person1"), new Person(2, "Person2"));
+        given(repository.findAll()).willReturn(persons);
+
+        List<PersonDto> expectedResult = persons.stream()
+                .map(PersonDto::toDto).collect(Collectors.toList());
+
+        mvc.perform(get("/persons/all"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInRequest() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInPath() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnExpectedErrorWhenPersonNotFound() throws Exception {
+        given(repository.findById(1L)).willReturn(Optional.empty());
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+    }
+
+
+}
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project 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>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-solution-2</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.6.2</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-keyvalue</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,28 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.map.repository.config.EnableMapRepositories;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@EnableMapRepositories
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person(1, "Pushkin"));
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.keyvalue.annotation.KeySpace;
+
+@KeySpace("person")
+public class Person {
+
+    @Id
+    private long id;
+    private String name;
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public Person(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.PagingAndSortingRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends PagingAndSortingRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,40 @@
+package ru.otus.spring.rest;
+
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+import ru.otus.spring.rest.exceptions.NotFoundException;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RestController
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    public PersonController(PersonRepository repository) {
+        this.repository = repository;
+    }
+
+    @RequestMapping(value = "/persons/all", method = RequestMethod.GET, params = {})
+    public List<PersonDto> getAllPersons() {
+        return repository.findAll().stream()
+                .map(PersonDto::toDto)
+                .collect(Collectors.toList());
+    }
+
+    @RequestMapping(value = "/persons", method = RequestMethod.GET)
+    public PersonDto getPersonByIdInRequest(@RequestParam("id") long id) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        return PersonDto.toDto(person);
+    }
+
+    @GetMapping("/persons/{id}")
+    public PersonDto getPersonByIdInPath(@PathVariable("id") long id) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        return PersonDto.toDto(person);
+    }
+
+}
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2016 Russian Post
+ *
+ * This source code is Russian Post Confidential Proprietary.
+ * This software is protected by copyright. All rights and titles are reserved.
+ * You shall not use, copy, distribute, modify, decompile, disassemble or reverse engineer the software.
+ * Otherwise this violation would be treated by law and would be subject to legal prosecution.
+ * Legal use of the software provides receipt of a license from the right name only.
+ */
+package ru.otus.spring.rest.dto;
+
+import ru.otus.spring.domain.Person;
+
+/**
+ * DTO that represents Person
+ */
+@SuppressWarnings("all")
+public class PersonDto {
+
+    private long id;
+    private String name;
+
+    public PersonDto() {
+    }
+
+    public PersonDto(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public static Person toDomainObject(PersonDto dto) {
+        return new Person(dto.getId(), dto.getName());
+    }
+
+    public static PersonDto toDto(Person person) {
+        return new PersonDto(person.getId(), person.getName());
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.rest.exceptions;
+
+public class NotFoundException extends RuntimeException{
+
+    public NotFoundException() {
+    }
+}
@@ -0,0 +1,85 @@
+package ru.otus.spring.rest;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static org.mockito.BDDMockito.given;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(PersonController.class)
+class PersonControllerTest {
+
+    public static final String ERROR_STRING = "Таких тут нет!";
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private ObjectMapper mapper;
+
+    @MockBean
+    private PersonRepository repository;
+
+    @Test
+    void shouldReturnCorrectPersonsList() throws Exception {
+        List<Person> persons = List.of(new Person(1, "Person1"), new Person(2, "Person2"));
+        given(repository.findAll()).willReturn(persons);
+
+        List<PersonDto> expectedResult = persons.stream()
+                .map(PersonDto::toDto).collect(Collectors.toList());
+
+        mvc.perform(get("/persons/all"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInRequest() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInPath() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnExpectedErrorWhenPersonNotFound() throws Exception {
+        given(repository.findById(1L)).willReturn(Optional.empty());
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+    }
+
+
+}
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project 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>
+
+    <groupId>ru.otus</groupId>
+    <artifactId>spring-mvc-solution-3</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.6.2</version>
+        <relativePath/>
+    </parent>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
+
+        <dependency>
+            <groupId>org.springframework.data</groupId>
+            <artifactId>spring-data-keyvalue</artifactId>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,10 @@
+POST http://localhost:8080/person
+Content-Type: application/json
+
+{
+  "id": "2",
+  "name": "Pushkin"
+}
+
+###
+GET http://localhost:8080/persons/all
@@ -0,0 +1,28 @@
+package ru.otus.spring;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.map.repository.config.EnableMapRepositories;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+
+import javax.annotation.PostConstruct;
+
+@EnableMapRepositories
+@SpringBootApplication
+public class Main {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Main.class);
+    }
+
+    @SuppressWarnings("SpringJavaAutowiredFieldsWarningInspection")
+    @Autowired
+    private PersonRepository repository;
+
+    @PostConstruct
+    public void init() {
+        repository.save(new Person(1, "Pushkin"));
+    }
+}
@@ -0,0 +1,37 @@
+package ru.otus.spring.domain;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.keyvalue.annotation.KeySpace;
+
+@KeySpace("person")
+public class Person {
+
+    @Id
+    private long id;
+    private String name;
+
+    public Person(String name) {
+        this.name = name;
+    }
+
+    public Person(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
@@ -0,0 +1,11 @@
+package ru.otus.spring.repostory;
+
+import org.springframework.data.repository.PagingAndSortingRepository;
+import ru.otus.spring.domain.Person;
+
+import java.util.List;
+
+public interface PersonRepository extends PagingAndSortingRepository<Person, Long> {
+
+    List<Person> findAll();
+}
@@ -0,0 +1,45 @@
+package ru.otus.spring.rest;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+import ru.otus.spring.rest.exceptions.NotFoundException;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RestController
+public class PersonController {
+
+    private final PersonRepository repository;
+
+    public PersonController(PersonRepository repository) {
+        this.repository = repository;
+    }
+
+    @RequestMapping(value = "/persons/all", method = RequestMethod.GET, params = {})
+    public List<PersonDto> getAllPersons() {
+        return repository.findAll().stream()
+                .map(PersonDto::toDto)
+                .collect(Collectors.toList());
+    }
+
+    @RequestMapping(value = "/persons", method = RequestMethod.GET)
+    public PersonDto getPersonByIdInRequest(@RequestParam("id") long id) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        return PersonDto.toDto(person);
+    }
+
+    @GetMapping("/persons/{id}")
+    public PersonDto getPersonByIdInPath(@PathVariable("id") long id) {
+        Person person = repository.findById(id).orElseThrow(NotFoundException::new);
+        return PersonDto.toDto(person);
+    }
+
+    @ExceptionHandler(NotFoundException.class)
+    public ResponseEntity<String> handleNotFound(NotFoundException ex) {
+        return ResponseEntity.badRequest().body("Таких тут нет!");
+    }
+}
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2016 Russian Post
+ *
+ * This source code is Russian Post Confidential Proprietary.
+ * This software is protected by copyright. All rights and titles are reserved.
+ * You shall not use, copy, distribute, modify, decompile, disassemble or reverse engineer the software.
+ * Otherwise this violation would be treated by law and would be subject to legal prosecution.
+ * Legal use of the software provides receipt of a license from the right name only.
+ */
+package ru.otus.spring.rest.dto;
+
+import ru.otus.spring.domain.Person;
+
+/**
+ * DTO that represents Person
+ */
+@SuppressWarnings("all")
+public class PersonDto {
+
+    private long id;
+    private String name;
+
+    public PersonDto() {
+    }
+
+    public PersonDto(long id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public static Person toDomainObject(PersonDto dto) {
+        return new Person(dto.getId(), dto.getName());
+    }
+
+    public static PersonDto toDto(Person person) {
+        return new PersonDto(person.getId(), person.getName());
+    }
+}
@@ -0,0 +1,7 @@
+package ru.otus.spring.rest.exceptions;
+
+public class NotFoundException extends RuntimeException{
+
+    public NotFoundException() {
+    }
+}
@@ -0,0 +1,85 @@
+package ru.otus.spring.rest;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+import ru.otus.spring.domain.Person;
+import ru.otus.spring.repostory.PersonRepository;
+import ru.otus.spring.rest.dto.PersonDto;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import static org.mockito.BDDMockito.given;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@WebMvcTest(PersonController.class)
+class PersonControllerTest {
+
+    public static final String ERROR_STRING = "Таких тут нет!";
+
+    @Autowired
+    private MockMvc mvc;
+
+    @Autowired
+    private ObjectMapper mapper;
+
+    @MockBean
+    private PersonRepository repository;
+
+    @Test
+    void shouldReturnCorrectPersonsList() throws Exception {
+        List<Person> persons = List.of(new Person(1, "Person1"), new Person(2, "Person2"));
+        given(repository.findAll()).willReturn(persons);
+
+        List<PersonDto> expectedResult = persons.stream()
+                .map(PersonDto::toDto).collect(Collectors.toList());
+
+        mvc.perform(get("/persons/all"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInRequest() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnCorrectPersonByIdInPath() throws Exception {
+        Person person = new Person(1, "Person1");
+        given(repository.findById(1L)).willReturn(Optional.of(person));
+        PersonDto expectedResult = PersonDto.toDto(person);
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isOk())
+                .andExpect(content().json(mapper.writeValueAsString(expectedResult)));
+    }
+
+    @Test
+    void shouldReturnExpectedErrorWhenPersonNotFound() throws Exception {
+        given(repository.findById(1L)).willReturn(Optional.empty());
+
+        mvc.perform(get("/persons").param("id", "1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+
+        mvc.perform(get("/persons/1"))
+                .andExpect(status().isBadRequest())
+                .andExpect(content().string(ERROR_STRING));
+    }
+
+
+}