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Add SPQR project.

This commit is contained in:
asia 2022-01-30 21:19:39 +01:00
parent 377eeb7279
commit 39cc6be1ab
7 changed files with 262 additions and 0 deletions
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5
spring-boot-modules/spring-boot-libraries-2/pom.xml
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@ -57,6 +57,11 @@
<version>${awaitility.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.leangen.graphql</groupId>
<artifactId>spqr</artifactId>
<version>0.11.2</version>
</dependency>
</dependencies>
<build>

57
spring-boot-modules/spring-boot-libraries-2/src/main/java/com/baeldung/sprq/Book.java Normal file
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@ -0,0 +1,57 @@
package com.baeldung.sprq;
import java.util.Objects;
public class Book {
private Integer id;
private String author;
private String title;
public Book(Integer id, String author, String title) {
this.id = id;
this.author = author;
this.title = title;
}
public Book() {
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getAuthor() {
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
Book book = (Book) o;
return id.equals(book.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
}

42
spring-boot-modules/spring-boot-libraries-2/src/main/java/com/baeldung/sprq/BookResolver.java Normal file
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@ -0,0 +1,42 @@
package com.baeldung.sprq;
import io.leangen.graphql.annotations.GraphQLArgument;
import io.leangen.graphql.annotations.GraphQLMutation;
import io.leangen.graphql.annotations.GraphQLQuery;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class BookResolver {
@Autowired
IBookService bookService;
@GraphQLQuery(name = "getBookWithTitle")
public Book getBookWithTitle(@GraphQLArgument(name = "title") String title) {
return bookService.getBookWithTitle(title);
}
@GraphQLQuery(name = "getAllBooks", description = "Get all books")
public List<Book> getAllBooks() {
return bookService.getAllBooks();
}
@GraphQLMutation(name = "addBook")
public Book addBook(@GraphQLArgument(name = "newBook") Book book) {
return bookService.addBook(book);
}
@GraphQLMutation(name = "updateBook")
public Book updateBook(@GraphQLArgument(name = "modifiedBook") Book book) {
return bookService.updateBook(book);
}
@GraphQLMutation(name = "deleteBook")
public void deleteBook(@GraphQLArgument(name = "book") Book book) {
bookService.deleteBook(book);
}
}

48
spring-boot-modules/spring-boot-libraries-2/src/main/java/com/baeldung/sprq/BookService.java Normal file
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@ -0,0 +1,48 @@
package com.baeldung.sprq;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Service;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
@Service
public class BookService implements IBookService {
Set<Book> books = new HashSet<>();
@Override
public Book getBookWithTitle(String title) {
return books.stream()
.filter(book -> book.getTitle()
.equals(title))
.findFirst()
.orElse(null);
}
@Override
public List<Book> getAllBooks() {
return books.stream()
.collect(Collectors.toList());
}
@Override
public Book addBook(Book book) {
books.add(book);
return book;
}
@Override
public Book updateBook(Book book) {
books.remove(book);
books.add(book);
return book;
}
@Override
public boolean deleteBook(Book book) {
return books.remove(book);
}
}

35
spring-boot-modules/spring-boot-libraries-2/src/main/java/com/baeldung/sprq/GraphqlController.java Normal file
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@ -0,0 +1,35 @@
package com.baeldung.sprq;
import graphql.ExecutionResult;
import graphql.GraphQL;
import graphql.GraphQLException;
import graphql.schema.GraphQLSchema;
import io.leangen.graphql.GraphQLSchemaGenerator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
import java.util.Map;
@RestController
public class GraphqlController {
private final GraphQL graphQL;
@Autowired
public GraphqlController(BookResolver bookResolver) {
GraphQLSchema schema = new GraphQLSchemaGenerator().withBasePackages("com.baeldung")
.withOperationsFromSingleton(bookResolver)
.generate();
this.graphQL = new GraphQL.Builder(schema).build();
}
@PostMapping(value = "/graphql")
public Map<String, Object> execute(@RequestBody Map<String, String> request, HttpServletRequest raw) throws GraphQLException {
ExecutionResult result = graphQL.execute(request.get("query"));
return result.getData();
}
}

15
spring-boot-modules/spring-boot-libraries-2/src/main/java/com/baeldung/sprq/IBookService.java Normal file
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@ -0,0 +1,15 @@
package com.baeldung.sprq;
import java.util.List;
public interface IBookService {
Book getBookWithTitle(String title);
List<Book> getAllBooks();
Book addBook(Book book);
Book updateBook(Book book);
boolean deleteBook(Book book);
}

60
spring-boot-modules/spring-boot-libraries-2/src/test/java/com/baeldung/sprq/GraphqlControllerIntegrationTest.java Normal file
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@ -0,0 +1,60 @@
package com.baeldung.sprq;
import org.json.JSONException;
import org.json.JSONObject;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@RunWith(SpringRunner.class)
@SpringBootTest
@AutoConfigureMockMvc
public class GraphqlControllerIntegrationTest {
@Autowired
private MockMvc mockMvc;
@Autowired
BookService bookService;
private static final String GRAPHQL_PATH = "/graphql";
@Test
public void givenNoBooks_whenReadAll_thenStatusIsOk() throws Exception {
String getAllBooksQuery = "{\n" + " getAllBooks {\n" + " id\n" + " author\n" + " title\n" + " }\n" + "}\n";
this.mockMvc.perform(post(GRAPHQL_PATH).content(toJSON(getAllBooksQuery))
.contentType(MediaType.APPLICATION_JSON))
.andExpect(status().isOk())
.andExpect(jsonPath("$.getAllBooks").isEmpty());
}
@Test
public void whenAddBook_thenStatusIsOk() throws Exception {
String addBookMutation = "mutation {\n" + " addBook(newBook: {id: 123, author: \"J.R.R. Tolkien\", title: \"The Lord of the Rings\"}) {\n" + " id\n" + " author\n" + " title\n" + " }\n" + "}\n";
this.mockMvc.perform(post(GRAPHQL_PATH).content(toJSON(addBookMutation))
.contentType(MediaType.APPLICATION_JSON))
.andExpect(status().isOk())
.andExpect(jsonPath("$.addBook.id").value("123"))
.andExpect(jsonPath("$.addBook.author").value("J.R.R. Tolkien"))
.andExpect(jsonPath("$.addBook.title").value("The Lord of the Rings"));
}
private String toJSON(String query) throws JSONException {
JSONObject jsonObject = new JSONObject();
jsonObject.put("query", query);
return jsonObject.toString();
}
}