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[JAVA-14663] Update Graphql code for Boot 2.7.x changes and move to new module (#12729)

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This commit is contained in:
Haroon Khan
2022-10-07 18:21:41 +01:00
committed by GitHub
parent 4b517ba890
commit fafadd5474
29 changed files with 452 additions and 249 deletions
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124
spring-boot-modules/spring-boot-graphql/GraphQL collection.postman_collection.json Normal file
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{
"info": {
"_postman_id": "bae0e3d0-2b86-46aa-b6df-523497a2296a",
"name": "GraphQL collection",
"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
},
"item": [
{
"name": "mutations",
"item": [
{
"name": "createPost",
"request": {
"method": "POST",
"header": [],
"body": {
"mode": "graphql",
"graphql": {
"query": "mutation createPost ($title: String!, $text: String!, $category: String, $authorId: String!) {\n createPost (title: $title, text: $text, category: $category, authorId: $authorId) {\n id\n title\n text\n category\n }\n}",
"variables": "{\n \"title\": \"new post\",\n \"text\": \"new post text\",\n \"category\": \"category\",\n \"authorId\": \"Author0\"\n}"
}
},
"url": {
"raw": "http://localhost:8080/graphql",
"protocol": "http",
"host": [
"localhost"
],
"port": "8080",
"path": [
"graphql"
]
}
},
"response": []
}
]
},
{
"name": "queries",
"item": [
{
"name": "get recent posts",
"request": {
"method": "POST",
"header": [],
"body": {
"mode": "graphql",
"graphql": {
"query": "{\r\n recentPosts(count: 10, offset: 0) {\r\n id\r\n title\r\n category\r\n text\r\n author {\r\n id\r\n name\r\n thumbnail\r\n }\r\n }\r\n}",
"variables": ""
}
},
"url": {
"raw": "http://localhost:8080/graphql",
"protocol": "http",
"host": [
"localhost"
],
"port": "8080",
"path": [
"graphql"
]
}
},
"response": []
},
{
"name": "recentPosts - variables",
"request": {
"method": "POST",
"header": [],
"body": {
"mode": "graphql",
"graphql": {
"query": "query recentPosts ($count: Int, $offset: Int) {\n recentPosts (count: $count, offset: $offset) {\n id\n title\n text\n category\n }\n}",
"variables": "{\n \"count\": 5,\n \"offset\": 0\n}"
}
},
"url": {
"raw": "http://localhost:8080/graphql",
"protocol": "http",
"host": [
"localhost"
],
"port": "8080",
"path": [
"graphql"
]
}
},
"response": []
}
]
}
],
"event": [
{
"listen": "prerequest",
"script": {
"type": "text/javascript",
"exec": [
""
]
}
},
{
"listen": "test",
"script": {
"type": "text/javascript",
"exec": [
""
]
}
}
],
"variable": [
{
"key": "url",
"value": "",
"type": "string"
}
]
}

29
spring-boot-modules/spring-boot-graphql/README.md Normal file
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## Spring Boot Graphql
This module contains articles about Spring Boot Graphql
### The Course
The "REST With Spring" Classes: http://bit.ly/restwithspring
### Relevant Articles:
- [Getting Started with GraphQL and Spring Boot](https://www.baeldung.com/spring-graphql)
- [Expose GraphQL Field with Different Name](https://www.baeldung.com/graphql-field-name)
### GraphQL sample queries
Query
```shell script
curl \
--request POST 'localhost:8080/graphql' \
--header 'Content-Type: application/json' \
--data-raw '{"query":"query {\n recentPosts(count: 2, offset: 0) {\n id\n title\n author {\n id\n posts {\n id\n }\n }\n }\n}"}'
```
Mutation
```shell script
curl \
--request POST 'localhost:8080/graphql' \
--header 'Content-Type: application/json' \
--data-raw '{"query":"mutation {\n createPost(title: \"New Title\", authorId: \"Author2\", text: \"New Text\") {\n id\n category\n author {\n id\n name\n }\n }\n}"}'
```

41
spring-boot-modules/spring-boot-graphql/pom.xml Normal file
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<?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>
<artifactId>spring-boot-graphql</artifactId>
<name>spring-boot-graphql</name>
<packaging>war</packaging>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-graphql</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.graphql</groupId>
<artifactId>spring-graphql-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

11
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/Author.java Normal file
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package com.baeldung.graphql;
import lombok.Data;
@Data
public class Author {
private String id;
private String name;
private String thumbnail;
}

21
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/AuthorController.java Normal file
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package com.baeldung.graphql;
import org.springframework.graphql.data.method.annotation.SchemaMapping;
import org.springframework.stereotype.Controller;
import java.util.List;
@Controller
public class AuthorController {
private final PostDao postDao;
public AuthorController(PostDao postDao) {
this.postDao = postDao;
}
@SchemaMapping
public List<Post> posts(Author author) {
return postDao.getAuthorPosts(author.getId());
}
}

18
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/AuthorDao.java Normal file
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package com.baeldung.graphql;
import java.util.List;
public class AuthorDao {
private final List<Author> authors;
public AuthorDao(List<Author> authors) {
this.authors = authors;
}
public Author getAuthor(String id) {
return authors.stream()
.filter(author -> id.equals(author.getId()))
.findFirst()
.orElseThrow(RuntimeException::new);
}
}

16
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/GraphqlApplication.java Normal file
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package com.baeldung.graphql;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
@SpringBootApplication
@EnableAutoConfiguration(exclude = {SecurityAutoConfiguration.class})
public class GraphqlApplication {
public static void main(String[] args) {
SpringApplication.run(GraphqlApplication.class, args);
}
}

41
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/GraphqlConfiguration.java Normal file
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package com.baeldung.graphql;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import java.util.ArrayList;
import java.util.List;
@Configuration
public class GraphqlConfiguration {
@Bean
public PostDao postDao() {
List<Post> posts = new ArrayList<>();
for (int postId = 0; postId < 10; ++postId) {
for (int authorId = 0; authorId < 10; ++authorId) {
Post post = new Post();
post.setId("Post" + authorId + postId);
post.setTitle("Post " + authorId + ":" + postId);
post.setCategory("Post category");
post.setText("Post " + postId + " + by author " + authorId);
post.setAuthorId("Author" + authorId);
posts.add(post);
}
}
return new PostDao(posts);
}
@Bean
public AuthorDao authorDao() {
List<Author> authors = new ArrayList<>();
for (int authorId = 0; authorId < 10; ++authorId) {
Author author = new Author();
author.setId("Author" + authorId);
author.setName("Author " + authorId);
author.setThumbnail("http://example.com/authors/" + authorId);
authors.add(author);
}
return new AuthorDao(authors);
}
}

14
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/Post.java Normal file
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package com.baeldung.graphql;
import lombok.Data;
@Data
public class Post {
private String id;
private String title;
private String text;
private String category;
private String authorId;
}

52
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/PostController.java Normal file
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package com.baeldung.graphql;
import org.springframework.graphql.data.method.annotation.Argument;
import org.springframework.graphql.data.method.annotation.MutationMapping;
import org.springframework.graphql.data.method.annotation.QueryMapping;
import org.springframework.graphql.data.method.annotation.SchemaMapping;
import org.springframework.stereotype.Controller;
import java.util.List;
import java.util.UUID;
@Controller
public class PostController {
private final PostDao postDao;
private final AuthorDao authorDao;
public PostController(PostDao postDao, AuthorDao authorDao) {
this.postDao = postDao;
this.authorDao = authorDao;
}
@QueryMapping
public List<Post> recentPosts(@Argument int count, @Argument int offset) {
return postDao.getRecentPosts(count, offset);
}
@SchemaMapping
public Author author(Post post) {
return authorDao.getAuthor(post.getAuthorId());
}
@SchemaMapping(typeName="Post", field="first_author")
public Author getFirstAuthor(Post post) {
return authorDao.getAuthor(post.getAuthorId());
}
@MutationMapping
public Post createPost(@Argument String title, @Argument String text,
@Argument String category, @Argument String authorId) {
Post post = new Post();
post.setId(UUID.randomUUID().toString());
post.setTitle(title);
post.setText(text);
post.setCategory(category);
post.setAuthorId(authorId);
postDao.savePost(post);
return post;
}
}

30
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/PostDao.java Normal file
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package com.baeldung.graphql;
import java.util.List;
import java.util.stream.Collectors;
public class PostDao {
private final List<Post> posts;
public PostDao(List<Post> posts) {
this.posts = posts;
}
public List<Post> getRecentPosts(int count, int offset) {
return posts.stream()
.skip(offset)
.limit(count)
.collect(Collectors.toList());
}
public List<Post> getAuthorPosts(String author) {
return posts.stream()
.filter(post -> author.equals(post.getAuthorId()))
.collect(Collectors.toList());
}
public void savePost(Post post) {
posts.add(post);
}
}

4
spring-boot-modules/spring-boot-graphql/src/main/resources/application.yml Normal file
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spring:
graphql:
graphiql:
enabled: true

25
spring-boot-modules/spring-boot-graphql/src/main/resources/graphql/post.graphqls Normal file
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type Post {
id: ID!
title: String!
text: String!
category: String
author: Author!
first_author: Author!
}
type Author {
id: ID!
name: String!
thumbnail: String
posts: [Post]!
}
# The Root Query for the application
type Query {
recentPosts(count: Int, offset: Int): [Post]!
}
# The Root Mutation for the application
type Mutation {
createPost(title: String!, text: String!, category: String, authorId: String!) : Post!
}

54
spring-boot-modules/spring-boot-graphql/src/test/java/com/baeldung/graphql/PostControllerIntegrationTest.java Normal file
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package com.baeldung.graphql;
import lombok.SneakyThrows;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.graphql.GraphQlTest;
import org.springframework.context.annotation.Import;
import org.springframework.graphql.test.tester.GraphQlTester;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
@GraphQlTest(PostController.class)
@Import(GraphqlConfiguration.class)
class PostControllerIntegrationTest {
@Autowired
private GraphQlTester graphQlTester;
@Test
void givenPosts_whenExecuteQueryForRecentPosts_thenReturnResponse() {
String documentName = "recent_posts";
graphQlTester.documentName(documentName)
.variable("count", 2)
.variable("offset", 0)
.execute()
.path("$")
.matchesJson(expected(documentName));
}
@Test
void givenNewPostData_whenExecuteMutation_thenNewPostCreated() {
String documentName = "create_post";
graphQlTester.documentName(documentName)
.variable("title", "New Post")
.variable("text", "New post text")
.variable("category", "category")
.variable("authorId", "Author0")
.execute()
.path("createPost.id").hasValue()
.path("createPost.title").entity(String.class).isEqualTo("New Post")
.path("createPost.text").entity(String.class).isEqualTo("New post text")
.path("createPost.category").entity(String.class).isEqualTo("category");
}
@SneakyThrows
public static String expected(String fileName) {
Path path = Paths.get("src/test/resources/graphql-test/" + fileName + "_expected_response.json");
return new String(Files.readAllBytes(path));
}
}

12
spring-boot-modules/spring-boot-graphql/src/test/java/com/baeldung/graphql/SpringContextTest.java Normal file
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package com.baeldung.graphql;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest(classes = GraphqlApplication.class)
public class SpringContextTest {
@Test
public void whenSpringContextIsBootstrapped_thenNoExceptions() {
}
}

169
spring-boot-modules/spring-boot-graphql/src/test/resources/GraphQL collection.postman_collection.json Normal file
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{
"info": {
"_postman_id": "910d9690-f629-4491-bbbd-adb30982a386",
"name": "GraphQL collection",
"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
},
"item": [
{
"name": "mutations",
"item": [
{
"name": "createPost",
"request": {
"method": "POST",
"header": [],
"body": {
"mode": "graphql",
"graphql": {
"query": "mutation createPost ($title: String!, $text: String!, $category: String) {\n createPost (title: $title, text: $text, category: $category) {\n id\n title\n text\n category\n }\n}",
"variables": "{\n \"title\": \"\",\n \"text\": \"\",\n \"category\": \"\"\n}"
},
"options": {
"graphql": {}
}
},
"url": {
"raw": "http://localhost:9090/springbootapp/graphql",
"protocol": "http",
"host": [
"localhost"
],
"port": "9090",
"path": [
"springbootapp",
"graphql"
]
}
},
"response": []
}
],
"protocolProfileBehavior": {}
},
{
"name": "queries",
"item": [
{
"name": "get recent posts",
"request": {
"method": "POST",
"header": [],
"body": {
"mode": "graphql",
"graphql": {
"query": "{\r\n recentPosts(count: 10, offset: 0) {\r\n id\r\n title\r\n category\r\n text\r\n author {\r\n id\r\n name\r\n thumbnail\r\n }\r\n }\r\n}",
"variables": ""
}
},
"url": {
"raw": "http://localhost:9090/springbootapp/graphql",
"protocol": "http",
"host": [
"localhost"
],
"port": "9090",
"path": [
"springbootapp",
"graphql"
]
}
},
"response": []
},
{
"name": "recentPosts - variables",
"request": {
"method": "POST",
"header": [],
"body": {
"mode": "graphql",
"graphql": {
"query": "query recentPosts ($count: Int, $offset: Int) {\n recentPosts (count: $count, offset: $offset) {\n id\n title\n text\n category\n }\n}",
"variables": "{\n \"count\": 1,\n \"offset\": 0\n}"
},
"options": {
"graphql": {}
}
},
"url": {
"raw": "http://localhost:9090/springbootapp/graphql",
"protocol": "http",
"host": [
"localhost"
],
"port": "9090",
"path": [
"springbootapp",
"graphql"
]
}
},
"response": []
},
{
"name": "get recent posts - raw",
"request": {
"method": "POST",
"header": [
{
"key": "Content-Type",
"value": "application/graphql",
"type": "text"
}
],
"body": {
"mode": "raw",
"raw": "query {\r\n recentPosts(count: 10, offset: 0) {\r\n id\r\n title\r\n category\r\n author {\r\n id\r\n name\r\n thumbnail\r\n }\r\n }\r\n}"
},
"url": {
"raw": "http://localhost:9090/springbootapp/graphql",
"protocol": "http",
"host": [
"localhost"
],
"port": "9090",
"path": [
"springbootapp",
"graphql"
]
}
},
"response": []
}
],
"protocolProfileBehavior": {}
}
],
"event": [
{
"listen": "prerequest",
"script": {
"id": "b54f267b-c450-4f2d-8105-2f23bab4c922",
"type": "text/javascript",
"exec": [
""
]
}
},
{
"listen": "test",
"script": {
"id": "00b575be-03d4-4b29-b137-733ead139638",
"type": "text/javascript",
"exec": [
""
]
}
}
],
"variable": [
{
"id": "20a274e5-6d51-40d6-81cb-af9eb115b21b",
"key": "url",
"value": "",
"type": "string"
}
],
"protocolProfileBehavior": {}
}

8
spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-test/create_post.graphql Normal file
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mutation createPost ($title: String!, $text: String!, $category: String, $authorId: String!) {
createPost (title: $title, text: $text, category: $category, authorId: $authorId) {
id
title
text
category
}
}

13
spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-test/recent_posts.graphql Normal file
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query recentPosts ($count: Int, $offset: Int) {
recentPosts (count: $count, offset: $offset) {
id
title
text
category
author {
id
name
thumbnail
}
}
}

28
spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-test/recent_posts_expected_response.json Normal file
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{
"data": {
"recentPosts": [
{
"id": "Post00",
"title": "Post 0:0",
"category": "Post category",
"text": "Post 0 + by author 0",
"author": {
"id": "Author0",
"name": "Author 0",
"thumbnail": "http://example.com/authors/0"
}
},
{
"id": "Post10",
"title": "Post 1:0",
"category": "Post category",
"text": "Post 0 + by author 1",
"author": {
"id": "Author1",
"name": "Author 1",
"thumbnail": "http://example.com/authors/1"
}
}
]
}
}