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[JAVA-14660] Update code for Graphql error handling (#12839)

This commit is contained in:
Haroon Khan 2022-10-10 20:16:12 +01:00 committed by GitHub
parent d6918ce11d
commit 4897b0afa0
51 changed files with 317 additions and 473 deletions
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3
graphql-modules/graphql-error-handling/README.md
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@ -1,3 +0,0 @@
### Relevant Articles:
- [Error Handling in GraphQL With Spring Boot](https://www.baeldung.com/spring-graphql-error-handling)

80
graphql-modules/graphql-error-handling/pom.xml
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@ -1,80 +0,0 @@
<?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>graphql-error-handling</artifactId>
<version>1.0</version>
<name>graphql-error-handling</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung.graphql</groupId>
<artifactId>graphql-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencyManagement>
<dependencies>
<dependency>
<!-- Boot version compatible with graphql-spring-boot-starter -->
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>2.6.4</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-spring-boot-starter</artifactId>
<version>${graphql-spring-boot-starter.version}</version>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-java-tools</artifactId>
<version>${graphql-java-tools.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-spring-boot-starter-test</artifactId>
<version>${graphql-spring-boot-starter.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.skyscreamer</groupId>
<artifactId>jsonassert</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<graphql-spring-boot-starter.version>5.0.2</graphql-spring-boot-starter.version>
<graphql-java-tools.version>5.2.4</graphql-java-tools.version>
</properties>
</project>

46
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/GraphQLErrorHandlerApplication.java
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@ -1,46 +0,0 @@
package com.baeldung.graphql.error.handling;
import com.baeldung.graphql.error.handling.exception.GraphQLErrorAdapter;
import graphql.ExceptionWhileDataFetching;
import graphql.GraphQLError;
import graphql.servlet.GraphQLErrorHandler;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
@SpringBootApplication
public class GraphQLErrorHandlerApplication {
public static void main(String[] args) {
SpringApplication.run(GraphQLErrorHandlerApplication.class, args);
}
@Bean
public GraphQLErrorHandler errorHandler() {
return new GraphQLErrorHandler() {
@Override
public List<GraphQLError> processErrors(List<GraphQLError> errors) {
List<GraphQLError> clientErrors = errors.stream()
.filter(this::isClientError)
.collect(Collectors.toList());
List<GraphQLError> serverErrors = errors.stream()
.filter(e -> !isClientError(e))
.map(GraphQLErrorAdapter::new)
.collect(Collectors.toList());
List<GraphQLError> e = new ArrayList<>();
e.addAll(clientErrors);
e.addAll(serverErrors);
return e;
}
private boolean isClientError(GraphQLError error) {
return !(error instanceof ExceptionWhileDataFetching || error instanceof Throwable);
}
};
}
}

44
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/exception/AbstractGraphQLException.java
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@ -1,44 +0,0 @@
package com.baeldung.graphql.error.handling.exception;
import graphql.ErrorType;
import graphql.GraphQLError;
import graphql.language.SourceLocation;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class AbstractGraphQLException extends RuntimeException implements GraphQLError {
private Map<String, Object> parameters = new HashMap();
public AbstractGraphQLException(String message) {
super(message);
}
public AbstractGraphQLException(String message, Map<String, Object> additionParams) {
this(message);
if (additionParams != null) {
parameters = additionParams;
}
}
@Override
public String getMessage() {
return super.getMessage();
}
@Override
public List<SourceLocation> getLocations() {
return null;
}
@Override
public ErrorType getErrorType() {
return null;
}
@Override
public Map<String, Object> getExtensions() {
return this.parameters;
}
}

48
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/exception/GraphQLErrorAdapter.java
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@ -1,48 +0,0 @@
package com.baeldung.graphql.error.handling.exception;
import graphql.ErrorType;
import graphql.ExceptionWhileDataFetching;
import graphql.GraphQLError;
import graphql.language.SourceLocation;
import java.util.List;
import java.util.Map;
public class GraphQLErrorAdapter implements GraphQLError {
private GraphQLError error;
public GraphQLErrorAdapter(GraphQLError error) {
this.error = error;
}
@Override
public Map<String, Object> getExtensions() {
return error.getExtensions();
}
@Override
public List<SourceLocation> getLocations() {
return error.getLocations();
}
@Override
public ErrorType getErrorType() {
return error.getErrorType();
}
@Override
public List<Object> getPath() {
return error.getPath();
}
@Override
public Map<String, Object> toSpecification() {
return error.toSpecification();
}
@Override
public String getMessage() {
return (error instanceof ExceptionWhileDataFetching) ? ((ExceptionWhileDataFetching) error).getException().getMessage() : error.getMessage();
}
}

14
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/exception/VehicleNotFoundException.java
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@ -1,14 +0,0 @@
package com.baeldung.graphql.error.handling.exception;
import java.util.Map;
public class VehicleNotFoundException extends AbstractGraphQLException {
public VehicleNotFoundException(String message) {
super(message);
}
public VehicleNotFoundException(String message, Map<String, Object> params) {
super(message, params);
}
}

20
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/resolver/Mutation.java
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@ -1,20 +0,0 @@
package com.baeldung.graphql.error.handling.resolver;
import com.baeldung.graphql.error.handling.domain.Location;
import com.baeldung.graphql.error.handling.domain.Vehicle;
import com.baeldung.graphql.error.handling.service.InventoryService;
import com.coxautodev.graphql.tools.GraphQLMutationResolver;
import org.springframework.stereotype.Component;
@Component
public class Mutation implements GraphQLMutationResolver {
private InventoryService inventoryService;
public Mutation(InventoryService inventoryService) {
this.inventoryService = inventoryService;
}
public Vehicle addVehicle(String vin, Integer year, String make, String model, String trim, Location location) {
return this.inventoryService.addVehicle(vin, year, make, model, trim, location);
}
}

29
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/resolver/Query.java
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@ -1,29 +0,0 @@
package com.baeldung.graphql.error.handling.resolver;
import com.baeldung.graphql.error.handling.domain.Vehicle;
import com.baeldung.graphql.error.handling.service.InventoryService;
import com.coxautodev.graphql.tools.GraphQLQueryResolver;
import org.springframework.stereotype.Component;
import java.util.List;
@Component
public class Query implements GraphQLQueryResolver {
private final InventoryService inventoryService;
public Query(InventoryService inventoryService) {
this.inventoryService = inventoryService;
}
public List<Vehicle> searchAll() {
return this.inventoryService.searchAll();
}
public List<Vehicle> searchByLocation(String zipcode) {
return this.inventoryService.searchByLocation(zipcode);
}
public Vehicle searchByVin(String vin) {
return this.inventoryService.searchByVin(vin);
}
}

7
graphql-modules/graphql-error-handling/src/main/resources/import.sql
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@ -1,7 +0,0 @@
insert into LOCATION values('07092', 'Mountainside', 'NJ');
insert into LOCATION values ('94118', 'San Francisco', 'CA');
insert into LOCATION values ('10002', 'New York', 'NY');
insert into VEHICLE (vin, year, make, model, trim, fk_location) values('KM8JN72DX7U587496', 2007, 'Hyundai', 'Tucson', null, '07092');
insert into VEHICLE (vin, year, make, model, trim, fk_location) values('JTKKU4B41C1023346', 2012, 'Toyota', 'Scion', 'Xd', '94118');
insert into VEHICLE (vin, year, make, model, trim, fk_location) values('1G1JC1444PZ215071', 2000, 'Chevrolet', 'CAVALIER VL', 'RS', '07092');

55
graphql-modules/graphql-error-handling/src/test/java/com/baeldung/graphql/error/handling/GraphQLErrorHandlerApplicationIntegrationTest.java
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@ -1,55 +0,0 @@
package com.baeldung.graphql.error.handling;
import com.graphql.spring.boot.test.GraphQLResponse;
import com.graphql.spring.boot.test.GraphQLTestTemplate;
import org.json.JSONException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.skyscreamer.jsonassert.JSONAssert;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.test.context.junit4.SpringRunner;
import java.io.IOException;
import static com.baeldung.graphql.error.handling.TestUtils.readFile;
import static java.lang.String.format;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, classes = GraphQLErrorHandlerApplication.class)
public class GraphQLErrorHandlerApplicationIntegrationTest {
@Autowired
private GraphQLTestTemplate graphQLTestTemplate;
private static final String GRAPHQL_TEST_REQUEST_PATH = "graphql/request/%s.graphql";
private static final String GRAPHQL_TEST_RESPONSE_PATH = "graphql/response/%s.json";
@Test
public void whenUnknownOperation_thenRespondWithRequestError() throws IOException, JSONException {
String graphqlName = "request_error_unknown_operation";
GraphQLResponse actualResponse = graphQLTestTemplate.postForResource(format(GRAPHQL_TEST_REQUEST_PATH, graphqlName));
String expectedResponse = readFile(format(GRAPHQL_TEST_RESPONSE_PATH, graphqlName));
JSONAssert.assertEquals(expectedResponse, actualResponse.getRawResponse().getBody(), true);
}
@Test
public void whenInvalidSyntaxRequest_thenRespondWithRequestError() throws IOException, JSONException {
String graphqlName = "request_error_invalid_request_syntax";
GraphQLResponse actualResponse = graphQLTestTemplate.postForResource(format(GRAPHQL_TEST_REQUEST_PATH, graphqlName));
String expectedResponse = readFile(format(GRAPHQL_TEST_RESPONSE_PATH, graphqlName));
JSONAssert.assertEquals(expectedResponse, actualResponse.getRawResponse().getBody(), true);
}
@Test
public void whenRequestAllNonNullField_thenRespondPartialDataWithFieldError() throws IOException, JSONException {
String graphqlName = "field_error_request_non_null_fields_partial_response";
GraphQLResponse actualResponse = graphQLTestTemplate.postForResource(format(GRAPHQL_TEST_REQUEST_PATH, graphqlName));
String expectedResponse = readFile(format(GRAPHQL_TEST_RESPONSE_PATH, graphqlName));
JSONAssert.assertEquals(expectedResponse, actualResponse.getRawResponse().getBody(), true);
}
}

15
graphql-modules/graphql-error-handling/src/test/java/com/baeldung/graphql/error/handling/TestUtils.java
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@ -1,15 +0,0 @@
package com.baeldung.graphql.error.handling;
import org.apache.commons.io.IOUtils;
import org.springframework.core.io.ClassPathResource;
import java.io.IOException;
import java.nio.charset.Charset;
public class TestUtils {
public static String readFile(String path) throws IOException {
return IOUtils.toString(
new ClassPathResource(path).getInputStream(), Charset.defaultCharset()
);
}
}

10
graphql-modules/graphql-error-handling/src/test/resources/graphql/request/field_error_request_non_null_fields_partial_response.graphql
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@ -1,10 +0,0 @@
# trim is non null but one of the record has null value for trim
query {
searchAll {
vin
year
make
model
trim
}
}

34
graphql-modules/graphql-error-handling/src/test/resources/graphql/response/field_error_request_non_null_fields_partial_response.json
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@ -1,34 +0,0 @@
{
"data": {
"searchAll": [
null,
{
"vin": "JTKKU4B41C1023346",
"year": 2012,
"make": "Toyota",
"model": "Scion",
"trim": "Xd"
},
{
"vin": "1G1JC1444PZ215071",
"year": 2000,
"make": "Chevrolet",
"model": "CAVALIER VL",
"trim": "RS"
}
]
},
"errors": [
{
"message": "Cannot return null for non-nullable type: 'String' within parent 'Vehicle' (/searchAll[0]/trim)",
"path": [
"searchAll",
0,
"trim"
],
"errorType": "DataFetchingException",
"locations": null,
"extensions": null
}
]
}

18
graphql-modules/graphql-error-handling/src/test/resources/graphql/response/request_error_invalid_request_syntax.json
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@ -1,18 +0,0 @@
{
"data": null,
"errors": [
{
"message": "Invalid Syntax",
"locations": [
{
"line": 5,
"column": 8,
"sourceName": null
}
],
"errorType": "InvalidSyntax",
"path": null,
"extensions": null
}
]
}

18
graphql-modules/graphql-error-handling/src/test/resources/graphql/response/request_error_unknown_operation.json
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@ -1,18 +0,0 @@
{
"data": null,
"errors": [
{
"errorType": "OperationNotSupported",
"locations": [
{
"line": 1,
"column": 1,
"sourceName": null
}
],
"extensions": null,
"message": "Schema is not configured for subscriptions.",
"path": null
}
]
}

0
graphql-modules/graphql-error-handling/src/test/resources/init_script.sql
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3
graphql-modules/pom.xml
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@ -18,9 +18,8 @@
<modules>
<module>graphql-dgs</module>
<module>graphql-error-handling</module>
<module>graphql-java</module>
<module>graphql-spqr</module>
</modules>
</project>
</project>

1
spring-boot-modules/spring-boot-graphql/README.md
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@ -9,6 +9,7 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
- [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)
- [Error Handling in GraphQL With Spring Boot](https://www.baeldung.com/spring-graphql-error-handling)
### GraphQL sample queries

14
spring-boot-modules/spring-boot-graphql/pom.xml
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@ -18,6 +18,10 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-graphql</artifactId>
@ -26,11 +30,21 @@
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.graphql</groupId>
<artifactId>spring-graphql-test</artifactId>

12
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/GraphQLErrorHandlerApplication.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.graphql.error.handling;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class GraphQLErrorHandlerApplication {
public static void main(String[] args) {
System.setProperty("spring.profiles.default", "error-handling");
SpringApplication.run(GraphQLErrorHandlerApplication.class, args);
}
}

43
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/controller/VehicleController.java Normal file
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@ -0,0 +1,43 @@
package com.baeldung.graphql.error.handling.controller;
import com.baeldung.graphql.error.handling.domain.Location;
import com.baeldung.graphql.error.handling.domain.Vehicle;
import com.baeldung.graphql.error.handling.service.InventoryService;
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.stereotype.Controller;
import java.util.List;
@Controller
public class VehicleController {
private final InventoryService inventoryService;
public VehicleController(InventoryService inventoryService) {
this.inventoryService = inventoryService;
}
@QueryMapping
public List<Vehicle> searchAll() {
return this.inventoryService.searchAll();
}
@QueryMapping
public List<Vehicle> searchByLocation(@Argument String zipcode) {
return this.inventoryService.searchByLocation(zipcode);
}
@QueryMapping
public Vehicle searchByVin(@Argument String vin) {
return this.inventoryService.searchByVin(vin);
}
@MutationMapping
public Vehicle addVehicle(@Argument String vin, @Argument Integer year,
@Argument String make, @Argument String model, @Argument String trim,
@Argument Location location) {
return this.inventoryService.addVehicle(vin, year, make, model, trim, location);
}
}

0
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/domain/Location.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/domain/Location.java
View File

0
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/domain/Vehicle.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/domain/Vehicle.java
View File

26
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/exception/AbstractGraphQLException.java Normal file
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@ -0,0 +1,26 @@
package com.baeldung.graphql.error.handling.exception;
import java.util.HashMap;
import java.util.Map;
import java.util.stream.Collectors;
public class AbstractGraphQLException extends RuntimeException {
private Map<String, Object> parameters = new HashMap<>();
public AbstractGraphQLException(String message) {
super(message);
}
public AbstractGraphQLException(String message, Map<String, Object> additionParams) {
this(message);
if (additionParams != null) {
parameters = additionParams;
}
}
public Map<String, Object> getExtensions() {
return parameters.entrySet().stream()
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
}
}

34
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/exception/CustomExceptionResolver.java Normal file
View File

@ -0,0 +1,34 @@
package com.baeldung.graphql.error.handling.exception;
import graphql.GraphQLError;
import graphql.GraphqlErrorBuilder;
import graphql.schema.DataFetchingEnvironment;
import org.springframework.graphql.execution.DataFetcherExceptionResolverAdapter;
import org.springframework.graphql.execution.ErrorType;
import org.springframework.stereotype.Component;
@Component
public class CustomExceptionResolver extends DataFetcherExceptionResolverAdapter {
@Override
protected GraphQLError resolveToSingleError(Throwable ex, DataFetchingEnvironment env) {
if (ex instanceof VehicleNotFoundException) {
return GraphqlErrorBuilder.newError()
.errorType(ErrorType.NOT_FOUND)
.message(ex.getMessage())
.path(env.getExecutionStepInfo().getPath())
.location(env.getField().getSourceLocation())
.build();
} else if (ex instanceof AbstractGraphQLException) {
return GraphqlErrorBuilder.newError()
.errorType(ErrorType.INTERNAL_ERROR)
.message(ex.getMessage())
.path(env.getExecutionStepInfo().getPath())
.location(env.getField().getSourceLocation())
.extensions(((AbstractGraphQLException) ex).getExtensions())
.build();
} else {
return null;
}
}
}

0
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/exception/InvalidInputException.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/exception/InvalidInputException.java
View File

0
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/exception/VehicleAlreadyPresentException.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/exception/VehicleAlreadyPresentException.java
View File

9
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/exception/VehicleNotFoundException.java Normal file
View File

@ -0,0 +1,9 @@
package com.baeldung.graphql.error.handling.exception;
public class VehicleNotFoundException extends RuntimeException {
public VehicleNotFoundException(String message) {
super(message);
}
}

0
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/repository/InventoryRepository.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/repository/InventoryRepository.java
View File

0
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/repository/LocationRepository.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/repository/LocationRepository.java
View File

13
graphql-modules/graphql-error-handling/src/main/java/com/baeldung/graphql/error/handling/service/InventoryService.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/error/handling/service/InventoryService.java
View File

@ -15,8 +15,8 @@ import java.util.*;
@Service
public class InventoryService {
private InventoryRepository inventoryRepository;
private LocationRepository locationRepository;
private final InventoryRepository inventoryRepository;
private final LocationRepository locationRepository;
public InventoryService(InventoryRepository inventoryRepository, LocationRepository locationRepository) {
this.inventoryRepository = inventoryRepository;
@ -29,7 +29,7 @@ public class InventoryService {
if (existingVehicle.isPresent()) {
Map<String, Object> params = new HashMap<>();
params.put("vin", vin);
throw new VehicleAlreadyPresentException("Failed to add vehicle. Vehicle with vin " + vin + " already present.", params);
throw new VehicleAlreadyPresentException("Failed to add vehicle. Vehicle with vin already present.", params);
}
Vehicle vehicle = Vehicle.builder()
.vin(vin)
@ -58,10 +58,7 @@ public class InventoryService {
}
public Vehicle searchByVin(String vin) {
return this.inventoryRepository.findById(vin).orElseThrow(() -> {
Map<String, Object> params = new HashMap<>();
params.put("vin", vin);
return new VehicleNotFoundException("Vehicle with vin " + vin + " not found.", params);
});
return this.inventoryRepository.findById(vin)
.orElseThrow(() -> new VehicleNotFoundException("Vehicle with vin: " + vin + " not found."));
}
}

2
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/Author.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/Author.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import lombok.Data;

2
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/AuthorController.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/AuthorController.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import org.springframework.graphql.data.method.annotation.SchemaMapping;
import org.springframework.stereotype.Controller;

2
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/AuthorDao.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/AuthorDao.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import java.util.List;

8
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/GraphqlApplication.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/GraphqlApplication.java
View File

@ -1,12 +1,16 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
@SpringBootApplication
@EnableAutoConfiguration(exclude = {SecurityAutoConfiguration.class})
@EnableAutoConfiguration(exclude = {
SecurityAutoConfiguration.class,
HibernateJpaAutoConfiguration.class
})
public class GraphqlApplication {
public static void main(String[] args) {

2
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/GraphqlConfiguration.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/GraphqlConfiguration.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

2
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/Post.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/Post.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import lombok.Data;

2
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/PostController.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/PostController.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import org.springframework.graphql.data.method.annotation.Argument;
import org.springframework.graphql.data.method.annotation.MutationMapping;

2
spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/PostDao.java → spring-boot-modules/spring-boot-graphql/src/main/java/com/baeldung/graphql/intro/PostDao.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import java.util.List;
import java.util.stream.Collectors;

13
graphql-modules/graphql-error-handling/src/main/resources/application.yml → spring-boot-modules/spring-boot-graphql/src/main/resources/application-error-handling.yml
View File

@ -1,23 +1,24 @@
graphql:
servlet:
mapping: /graphql
server:
port: 8081
spring:
graphql:
schema:
locations: classpath:error-handling/graphql/
datasource:
url: "jdbc:h2:mem:graphqldb"
driverClassName: "org.h2.Driver"
username: sa
password:
initialization-mode: always
platform: h2
jpa:
show-sql: true
properties:
hibernate:
dialect: org.hibernate.dialect.H2Dialect
ddl-auto: none
globally_quoted_identifiers: true
h2:
console.enabled: true
console.enabled: true

0
graphql-modules/graphql-error-handling/src/main/resources/graphql/inventory.graphqls → spring-boot-modules/spring-boot-graphql/src/main/resources/error-handling/graphql/inventory.graphqls
View File

7
spring-boot-modules/spring-boot-graphql/src/main/resources/import.sql Normal file
View File

@ -0,0 +1,7 @@
insert into "location" values('07092', 'Mountainside', 'NJ');
insert into "location" values ('94118', 'San Francisco', 'CA');
insert into "location" values ('10002', 'New York', 'NY');
insert into "vehicle" ("vin", "year", "make", "model", "trim", "fk_location") values('KM8JN72DX7U587496', 2007, 'Hyundai', 'Tucson', null, '07092');
insert into "vehicle" ("vin", "year", "make", "model", "trim", "fk_location") values('JTKKU4B41C1023346', 2012, 'Toyota', 'Scion', 'Xd', '94118');
insert into "vehicle" ("vin", "year", "make", "model", "trim", "fk_location") values('1G1JC1444PZ215071', 2000, 'Chevrolet', 'CAVALIER VL', 'RS', '07092');

90
spring-boot-modules/spring-boot-graphql/src/test/java/com/baeldung/graphql/error/handling/GraphQLErrorHandlerIntegrationTest.java Normal file
View File

@ -0,0 +1,90 @@
package com.baeldung.graphql.error.handling;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
import org.springframework.graphql.test.tester.HttpGraphQlTester;
import org.springframework.test.context.ActiveProfiles;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import static graphql.ErrorType.NullValueInNonNullableField;
import static org.springframework.graphql.execution.ErrorType.INTERNAL_ERROR;
import static org.springframework.graphql.execution.ErrorType.NOT_FOUND;
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT, classes = GraphQLErrorHandlerApplication.class)
@ActiveProfiles("error-handling")
public class GraphQLErrorHandlerIntegrationTest {
private static final String GRAPHQL_TEST_REQUEST_PATH = "src/test/resources/graphql-files/request/%s_request.graphql";
private static final String GRAPHQL_TEST_RESPONSE_PATH = "src/test/resources/graphql-files/response/%s_response.json";
@Autowired
private HttpGraphQlTester graphQlTester;
@Test
void whenMandatoryFieldNull_thenRespondWithResponseError() throws IOException {
String nonNullFieldScenario = "non_null_field";
graphQlTester.document(fileToRequest(nonNullFieldScenario))
.execute()
.errors()
.expect(error -> error.getErrorType() == NullValueInNonNullableField)
.verify()
.path("$.data")
.matchesJson(fileToResponse(nonNullFieldScenario));
}
@Test
void whenUnhandledException_thenRespondWithGenericError() throws IOException {
String unhandledExceptionScenario = "unhandled_exception";
graphQlTester.document(fileToRequest(unhandledExceptionScenario))
.execute()
.errors()
.expect(error -> error.getErrorType() == INTERNAL_ERROR)
.verify()
.path("$.data")
.valueIsNull();
}
@Test
void whenHandledException_thenRespondWithCustomErrorDetails() throws IOException {
String handledExceptionScenario = "handled_exception";
graphQlTester.document(fileToRequest(handledExceptionScenario))
.execute()
.errors()
.expect(error -> error.getErrorType() == NOT_FOUND
&& "Vehicle with vin: 123 not found.".equals(error.getMessage()))
.verify()
.path("$.data")
.matchesJson("{\n"
+ " \"searchByVin\": null\n"
+ " }");
}
@Test
void whenNoException_thenRespondWithNoError() throws IOException {
String noExceptionScenario = "no_exception";
graphQlTester.document(fileToRequest(noExceptionScenario))
.execute()
.path("$.data")
.matchesJson(fileToResponse(noExceptionScenario));
}
private static String fileToRequest(String fileName) throws IOException {
Path path = Paths.get(String.format(GRAPHQL_TEST_REQUEST_PATH, fileName));
return new String(Files.readAllBytes(path));
}
private static String fileToResponse(String fileName) throws IOException {
Path path = Paths.get(String.format(GRAPHQL_TEST_RESPONSE_PATH, fileName));
return new String(Files.readAllBytes(path));
}
}

2
spring-boot-modules/spring-boot-graphql/src/test/java/com/baeldung/graphql/PostControllerIntegrationTest.java → spring-boot-modules/spring-boot-graphql/src/test/java/com/baeldung/graphql/intro/PostControllerIntegrationTest.java
View File

@ -1,4 +1,4 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import lombok.SneakyThrows;
import org.junit.jupiter.api.Test;

3
spring-boot-modules/spring-boot-graphql/src/test/java/com/baeldung/graphql/SpringContextTest.java → spring-boot-modules/spring-boot-graphql/src/test/java/com/baeldung/graphql/intro/SpringContextTest.java
View File

@ -1,5 +1,6 @@
package com.baeldung.graphql;
package com.baeldung.graphql.intro;
import com.baeldung.graphql.intro.GraphqlApplication;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;

5
graphql-modules/graphql-error-handling/src/test/resources/graphql/request/request_error_invalid_request_syntax.graphql → spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-files/request/handled_exception_request.graphql
View File

@ -1,9 +1,10 @@
query {
searchByVin(vin: "error) {
searchByVin(vin: "123"){
vin
year
make
model
trim
}
}
}

8
spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-files/request/no_exception_request.graphql Normal file
View File

@ -0,0 +1,8 @@
query {
searchByVin(vin: "KM8JN72DX7U587496"){
vin
year
make
model
}
}

7
graphql-modules/graphql-error-handling/src/test/resources/graphql/request/request_error_unknown_operation.graphql → spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-files/request/non_null_field_request.graphql
View File

@ -1,9 +1,10 @@
subscription {
searchByVin(vin: "75024") {
query {
searchAll {
vin
year
make
model
trim
}
}
}

10
spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-files/request/unhandled_exception_request.graphql Normal file
View File

@ -0,0 +1,10 @@
query {
searchByLocation(zipcode: "123"){
vin
year
make
model
trim
}
}

8
spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-files/response/no_exception_response.json Normal file
View File

@ -0,0 +1,8 @@
{
"searchByVin": {
"vin": "KM8JN72DX7U587496",
"year": 2007,
"make": "Hyundai",
"model": "Tucson"
}
}

19
spring-boot-modules/spring-boot-graphql/src/test/resources/graphql-files/response/non_null_field_response.json Normal file
View File

@ -0,0 +1,19 @@
{
"searchAll": [
null,
{
"vin": "JTKKU4B41C1023346",
"year": 2012,
"make": "Toyota",
"model": "Scion",
"trim": "Xd"
},
{
"vin": "1G1JC1444PZ215071",
"year": 2000,
"make": "Chevrolet",
"model": "CAVALIER VL",
"trim": "RS"
}
]
}