Bael 5265: OpenFeign and Spring Exception handler (#12468)
* Implemented cassandra batch query * Added netty version param * Reformatted correctly * Reformatted correctly * Reformatted correctly * Formatting fix resolved * Formatting fix resolved * Removed unused method * Refactored method for better readability * tab spaces corrected * Added http headers in feign * Updated code * Updated code * Removed unused code * Removed unused logger code * Implemented Interceptor and logging related code review * Added AuthService Code * Removed toString method * Removed unnecessary declaration * Removed new line * Added feign headers log as well * Moved to Authorisation package for better naming * spaces removed * @Override included * [Saikat]| Adding the OpenFeign exception default and customizable exception handler and test cases * [Saikat]| Test name updated * [Saikat]| Test name updated * [Saikat]| Removed unused import * [Saikat]| Refactored code * [Saikat]| Reformatted the test codes * [Saikat]| Removed unnecessary code * [Saikat]| Controller test fixed for data error * [Saikat]| Code review fixes * [Saikat]| Code review fixes * [Saikat]| Removed unnecessary annotation * [Saikat]| Added extends ResponseEntityExceptionHandler * [Saikat]| Code review implemented * [Saikat]| Indentation added * Removed empty line before method start Co-authored-by: saikat chakraborty <saikat.chakraborty@tesco.com>
This commit is contained in:
Saikat Chakraborty
GitHub
parent
e7c4294e3e
commit
8a79e04d39
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@ -61,6 +61,12 @@
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>com.github.tomakehurst</groupId>
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<artifactId>wiremock-jre8</artifactId>
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<version>2.33.2</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<properties>
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@ -0,0 +1,17 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.client;
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import com.baeldung.cloud.openfeign.customizederrorhandling.config.FeignConfig;
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import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
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import org.springframework.cloud.openfeign.FeignClient;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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@FeignClient(name = "product-client-2", url = "http://localhost:8081/product/", configuration = FeignConfig.class)
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public interface ProductClient {
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@RequestMapping(value = "{id}", method = RequestMethod.GET)
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Product getProduct(@PathVariable(value = "id") String id);
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}
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@ -0,0 +1,24 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.config;
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import com.baeldung.cloud.openfeign.exception.BadRequestException;
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import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductNotFoundException;
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import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductServiceNotAvailableException;
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import feign.Response;
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import feign.codec.ErrorDecoder;
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public class CustomErrorDecoder implements ErrorDecoder {
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@Override
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public Exception decode(String methodKey, Response response) {
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switch (response.status()){
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case 400:
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return new BadRequestException();
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case 404:
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return new ProductNotFoundException("Product not found");
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case 503:
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return new ProductServiceNotAvailableException("Product Api is unavailable");
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default:
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return new Exception("Exception while getting product details");
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}
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}
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}
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@ -0,0 +1,18 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.config;
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import feign.Logger;
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import feign.codec.ErrorDecoder;
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import org.springframework.context.annotation.Bean;
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public class FeignConfig {
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@Bean
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Logger.Level feignLoggerLevel() {
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return Logger.Level.FULL;
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}
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@Bean
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ErrorDecoder errorDecoder() {
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return new CustomErrorDecoder();
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}
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}
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@ -0,0 +1,27 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.controller;
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import com.baeldung.cloud.openfeign.customizederrorhandling.client.ProductClient;
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import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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@RestController("product_controller2")
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@RequestMapping(value = "myapp2")
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public class ProductController {
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private final ProductClient productClient;
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@Autowired
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public ProductController(ProductClient productClient) {
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this.productClient = productClient;
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}
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@GetMapping("/product/{id}")
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public Product getProduct(@PathVariable String id) {
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return productClient.getProduct(id);
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}
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}
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@ -0,0 +1,54 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
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import com.fasterxml.jackson.annotation.JsonFormat;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import org.springframework.http.HttpStatus;
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import java.util.Date;
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public class ErrorResponse {
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@JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "dd-MM-yyyy hh:mm:ss")
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private Date timestamp;
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@JsonProperty(value = "code")
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private int code;
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@JsonProperty(value = "status")
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private String status;
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@JsonProperty(value = "message")
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private String message;
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@JsonProperty(value = "details")
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private String details;
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public ErrorResponse() {
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}
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public ErrorResponse(HttpStatus httpStatus, String message, String details) {
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timestamp = new Date();
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this.code = httpStatus.value();
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this.status = httpStatus.name();
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this.message = message;
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this.details = details;
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}
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public Date getTimestamp() {
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return timestamp;
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}
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public int getCode() {
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return code;
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}
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public String getStatus() {
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return status;
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}
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public String getMessage() {
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return message;
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}
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public String getDetails() {
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return details;
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}
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}
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@ -0,0 +1,40 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
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import com.baeldung.cloud.openfeign.exception.BadRequestException;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.RestControllerAdvice;
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import org.springframework.web.context.request.WebRequest;
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import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
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@RestControllerAdvice
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public class ProductExceptionHandler extends ResponseEntityExceptionHandler {
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@ExceptionHandler({ProductServiceNotAvailableException.class})
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public ResponseEntity<ErrorResponse> handleProductServiceNotAvailableException(ProductServiceNotAvailableException exception, WebRequest request) {
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return new ResponseEntity<>(new ErrorResponse(
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HttpStatus.INTERNAL_SERVER_ERROR,
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exception.getMessage(),
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request.getDescription(false)),
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HttpStatus.INTERNAL_SERVER_ERROR);
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}
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@ExceptionHandler({ProductNotFoundException.class})
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public ResponseEntity<ErrorResponse> handleProductNotFoundException(ProductNotFoundException exception, WebRequest request) {
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return new ResponseEntity<>(new ErrorResponse(
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HttpStatus.NOT_FOUND,
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exception.getMessage(),
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request.getDescription(false)),
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HttpStatus.NOT_FOUND);
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}
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@ExceptionHandler(Exception.class)
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public ResponseEntity<ErrorResponse> handleGenericException(Exception exception, WebRequest request) {
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return new ResponseEntity<>(new ErrorResponse(
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HttpStatus.INTERNAL_SERVER_ERROR,
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exception.getMessage(),
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request.getDescription(false)),
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HttpStatus.INTERNAL_SERVER_ERROR);
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}
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}
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@ -0,0 +1,8 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
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public class ProductNotFoundException extends RuntimeException {
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public ProductNotFoundException(String message) {
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super(message);
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}
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}
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@ -0,0 +1,8 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.exception;
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public class ProductServiceNotAvailableException extends RuntimeException {
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public ProductServiceNotAvailableException(String message) {
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super(message);
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}
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}
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@ -0,0 +1,17 @@
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package com.baeldung.cloud.openfeign.defaulterrorhandling.client;
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import com.baeldung.cloud.openfeign.defaulterrorhandling.config.FeignConfig;
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import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
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import org.springframework.cloud.openfeign.FeignClient;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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@FeignClient(name = "product-client", url = "http://localhost:8081/product/", configuration = FeignConfig.class)
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public interface ProductClient {
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@RequestMapping(value = "{id}", method = RequestMethod.GET)
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Product getProduct(@PathVariable(value = "id") String id);
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}
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@ -0,0 +1,12 @@
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package com.baeldung.cloud.openfeign.defaulterrorhandling.config;
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import feign.Logger;
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import org.springframework.context.annotation.Bean;
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public class FeignConfig {
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@Bean
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Logger.Level feignLoggerLevel() {
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return Logger.Level.FULL;
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}
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}
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@ -0,0 +1,24 @@
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package com.baeldung.cloud.openfeign.defaulterrorhandling.controller;
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import com.baeldung.cloud.openfeign.defaulterrorhandling.client.ProductClient;
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import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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@RestController("product_controller1")
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@RequestMapping(value ="myapp1")
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public class ProductController {
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private final ProductClient productClient;
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@Autowired
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public ProductController(ProductClient productClient) {
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this.productClient = productClient;
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}
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@GetMapping("/product/{id}")
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public Product getProduct(@PathVariable String id) {
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return productClient.getProduct(id);
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}
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}
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@ -0,0 +1,24 @@
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package com.baeldung.cloud.openfeign.defaulterrorhandling.model;
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public class Product {
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private String id;
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private String productName;
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private double price;
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public String getId() {
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return id;
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}
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public String getProductName() {
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return productName;
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}
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public double getPrice() {
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return price;
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}
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}
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@ -0,0 +1,57 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.client;
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import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductNotFoundException;
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import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ProductServiceNotAvailableException;
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import com.github.tomakehurst.wiremock.WireMockServer;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.junit4.SpringRunner;
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import static com.github.tomakehurst.wiremock.client.WireMock.*;
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import static org.junit.Assert.assertThrows;
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@RunWith(SpringRunner.class)
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@SpringBootTest
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public class ProductClientUnitTest {
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@Autowired
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private ProductClient productClient;
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private WireMockServer wireMockServer;
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@Before
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public void startWireMockServer() {
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wireMockServer = new WireMockServer(8081);
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configureFor("localhost", 8081);
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wireMockServer.start();
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}
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@After
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public void stopWireMockServer() {
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wireMockServer.stop();
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}
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@Test
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public void givenProductApiIsNotAvailable_whenGetProductCalled_thenThrowProductServiceNotAvailableException() {
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String productId = "test";
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stubFor(get(urlEqualTo("/product/" + productId))
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.willReturn(aResponse().withStatus(503)));
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assertThrows(ProductServiceNotAvailableException.class, () -> productClient.getProduct(productId));
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}
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@Test
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public void givenProductNotFound_whenGetProductCalled_thenThrowBadRequestException() {
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String productId = "test";
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stubFor(get(urlEqualTo("/product/" + productId))
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.willReturn(aResponse().withStatus(404)));
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assertThrows(ProductNotFoundException.class, () -> productClient.getProduct(productId));
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}
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}
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@ -0,0 +1,98 @@
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package com.baeldung.cloud.openfeign.customizederrorhandling.controller;
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import com.baeldung.cloud.openfeign.customizederrorhandling.client.ProductClient;
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import com.baeldung.cloud.openfeign.customizederrorhandling.exception.ErrorResponse;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.github.tomakehurst.wiremock.WireMockServer;
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import com.github.tomakehurst.wiremock.client.WireMock;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
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import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
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import org.springframework.cloud.openfeign.FeignAutoConfiguration;
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import org.springframework.http.HttpStatus;
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import org.springframework.test.context.junit4.SpringRunner;
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import org.springframework.test.web.servlet.MockMvc;
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import org.springframework.test.web.servlet.MvcResult;
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import static com.github.tomakehurst.wiremock.client.WireMock.*;
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import static org.junit.Assert.assertEquals;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
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import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
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@RunWith(SpringRunner.class)
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@WebMvcTest(ProductController.class)
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@ImportAutoConfiguration({FeignAutoConfiguration.class})
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public class ProductControllerUnitTest {
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|
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@Autowired
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private ProductClient productClient;
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|
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@Autowired
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private MockMvc mockMvc;
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|
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@Autowired
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private ObjectMapper objectMapper;
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private WireMockServer wireMockServer;
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@Before
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public void startWireMockServer() {
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wireMockServer = new WireMockServer(8081);
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configureFor("localhost", 8081);
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wireMockServer.start();
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}
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@After
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public void stopWireMockServer() {
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wireMockServer.stop();
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}
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@Test
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public void givenProductApiIsNotAvailable_whenGetProductCalled_ThenReturnInternalServerError() throws Exception {
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String productId = "test";
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stubFor(WireMock.get(urlEqualTo("/product/" + productId))
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.willReturn(aResponse()
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.withStatus(HttpStatus.SERVICE_UNAVAILABLE.value())));
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ErrorResponse expectedError = new ErrorResponse(HttpStatus.INTERNAL_SERVER_ERROR,
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"Product Api is unavailable","uri=/myapp2/product/" + productId);
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MvcResult result = mockMvc.perform(get("/myapp2/product/" + productId))
|
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.andExpect(status().isInternalServerError()).andReturn();
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ErrorResponse errorResponse = objectMapper.readValue(result.getResponse().getContentAsString(), ErrorResponse.class);
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assertEquals(expectedError.getCode(), errorResponse.getCode());
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assertEquals(expectedError.getMessage(), errorResponse.getMessage());
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assertEquals(expectedError.getStatus(), errorResponse.getStatus());
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assertEquals(expectedError.getDetails(), errorResponse.getDetails());
|
||||
}
|
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|
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@Test
|
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public void givenProductIsNotFound_whenGetProductCalled_ThenReturnInternalServerError() throws Exception {
|
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String productId = "test";
|
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|
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stubFor(WireMock.get(urlEqualTo("/product/" + productId))
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.willReturn(aResponse()
|
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.withStatus(HttpStatus.NOT_FOUND.value())));
|
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|
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ErrorResponse expectedError = new ErrorResponse(HttpStatus.NOT_FOUND,
|
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"Product not found","uri=/myapp2/product/" + productId);
|
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MvcResult result = mockMvc.perform(get("/myapp2/product/" + productId))
|
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.andExpect(status().isNotFound()).andReturn();
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ErrorResponse errorResponse = objectMapper.readValue(result.getResponse().getContentAsString(), ErrorResponse.class);
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|
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assertEquals(expectedError.getCode(), errorResponse.getCode());
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assertEquals(expectedError.getMessage(), errorResponse.getMessage());
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assertEquals(expectedError.getStatus(), errorResponse.getStatus());
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assertEquals(expectedError.getDetails(), errorResponse.getDetails());
|
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}
|
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}
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|
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@ -0,0 +1,84 @@
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package com.baeldung.cloud.openfeign.defaulterrorhandling.client;
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|
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import com.baeldung.cloud.openfeign.defaulterrorhandling.model.Product;
|
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import com.github.tomakehurst.wiremock.WireMockServer;
|
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import feign.FeignException;
|
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import org.junit.After;
|
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import org.junit.Before;
|
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import org.junit.Test;
|
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import org.junit.runner.RunWith;
|
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import org.springframework.beans.factory.annotation.Autowired;
|
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import org.springframework.boot.test.context.SpringBootTest;
|
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import org.springframework.http.HttpStatus;
|
||||
import org.springframework.test.context.junit4.SpringRunner;
|
||||
|
||||
import static com.github.tomakehurst.wiremock.client.WireMock.*;
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertThrows;
|
||||
|
||||
@RunWith(SpringRunner.class)
|
||||
@SpringBootTest
|
||||
public class ProductClientUnitTest {
|
||||
|
||||
@Autowired
|
||||
private ProductClient productClient;
|
||||
|
||||
private WireMockServer wireMockServer;
|
||||
|
||||
@Before
|
||||
public void startWireMockServer() {
|
||||
wireMockServer = new WireMockServer(8081);
|
||||
configureFor("localhost", 8081);
|
||||
wireMockServer.start();
|
||||
}
|
||||
|
||||
@After
|
||||
public void stopWireMockServer() {
|
||||
wireMockServer.stop();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenProductIsAvailable_whenGetProductCalled_thenReturnMatchingProduct() {
|
||||
String productId = "test";
|
||||
|
||||
String productResponse = "{ " +
|
||||
" \"id\":\"test\",\n" +
|
||||
" \"productName\":\"Watermelon\",\n" +
|
||||
" \"price\":12\n" +
|
||||
"}";
|
||||
|
||||
stubFor(get(urlEqualTo("/product/" + productId))
|
||||
.willReturn(aResponse()
|
||||
.withStatus(HttpStatus.OK.value())
|
||||
.withHeader("Content-Type", "application/json")
|
||||
.withBody(productResponse)));
|
||||
|
||||
Product product = productClient.getProduct(productId);
|
||||
|
||||
assertEquals(productId, product.getId());
|
||||
assertEquals("Watermelon", product.getProductName());
|
||||
assertEquals(12.00d, product.getPrice(), 0.00d);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenProductApiIsNotAvailable_whenGetProductCalled_thenThrowFeignException() {
|
||||
String productId = "test";
|
||||
|
||||
stubFor(get(urlEqualTo("/product/" + productId))
|
||||
.willReturn(aResponse()
|
||||
.withStatus(HttpStatus.SERVICE_UNAVAILABLE.value())));
|
||||
|
||||
assertThrows(FeignException.class, () -> productClient.getProduct(productId));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenProductIdNotFound_whenGetProductCalled_thenThrowFeignException() {
|
||||
String productId = "test";
|
||||
|
||||
stubFor(get(urlEqualTo("/product/" + productId))
|
||||
.willReturn(aResponse()
|
||||
.withStatus(HttpStatus.NOT_FOUND.value())));
|
||||
|
||||
assertThrows(FeignException.class, () -> productClient.getProduct(productId));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
package com.baeldung.cloud.openfeign.defaulterrorhandling.controller;
|
||||
|
||||
import com.baeldung.cloud.openfeign.defaulterrorhandling.client.ProductClient;
|
||||
import com.github.tomakehurst.wiremock.WireMockServer;
|
||||
import com.github.tomakehurst.wiremock.client.WireMock;
|
||||
import org.junit.After;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
|
||||
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
|
||||
import org.springframework.cloud.openfeign.FeignAutoConfiguration;
|
||||
import org.springframework.http.HttpStatus;
|
||||
import org.springframework.test.context.junit4.SpringRunner;
|
||||
import org.springframework.test.web.servlet.MockMvc;
|
||||
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
|
||||
|
||||
import static com.github.tomakehurst.wiremock.client.WireMock.*;
|
||||
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
|
||||
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
|
||||
|
||||
|
||||
@RunWith(SpringRunner.class)
|
||||
@WebMvcTest(ProductController.class)
|
||||
@ImportAutoConfiguration({FeignAutoConfiguration.class, TestControllerAdvice.class})
|
||||
@EnableWebMvc
|
||||
public class ProductControllerUnitTest {
|
||||
|
||||
@Autowired
|
||||
private ProductClient productClient;
|
||||
|
||||
@Autowired
|
||||
private MockMvc mockMvc;
|
||||
|
||||
private WireMockServer wireMockServer;
|
||||
|
||||
@Before
|
||||
public void startWireMockServer() {
|
||||
wireMockServer = new WireMockServer(8081);
|
||||
configureFor("localhost", 8081);
|
||||
wireMockServer.start();
|
||||
}
|
||||
|
||||
@After
|
||||
public void stopWireMockServer() {
|
||||
wireMockServer.stop();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenProductServiceIsnotAvailable_whenGetProductCalled_thenReturnInternalServerError() throws Exception {
|
||||
String productId = "test";
|
||||
|
||||
stubFor(WireMock.get(urlEqualTo("/product/" + productId))
|
||||
.willReturn(aResponse().withStatus(HttpStatus.SERVICE_UNAVAILABLE.value())));
|
||||
|
||||
mockMvc.perform(get("/myapp1/product/" + productId))
|
||||
.andExpect(status().is(HttpStatus.INTERNAL_SERVER_ERROR.value()));
|
||||
}
|
||||
|
||||
|
||||
@Test
|
||||
public void givenProductIsNotFound_whenGetProductCalled_thenReturnBadeRequestError() throws Exception {
|
||||
String productId = "test";
|
||||
|
||||
stubFor(WireMock.get(urlEqualTo("/product/" + productId))
|
||||
.willReturn(aResponse().withStatus(HttpStatus.NOT_FOUND.value())));
|
||||
|
||||
mockMvc.perform(get("/myapp1/product/" +productId))
|
||||
.andExpect(status().is(HttpStatus.INTERNAL_SERVER_ERROR.value()));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
package com.baeldung.cloud.openfeign.defaulterrorhandling.controller;
|
||||
|
||||
import feign.FeignException;
|
||||
import org.springframework.http.HttpStatus;
|
||||
import org.springframework.http.ResponseEntity;
|
||||
import org.springframework.web.bind.annotation.ExceptionHandler;
|
||||
import org.springframework.web.bind.annotation.RestControllerAdvice;
|
||||
|
||||
@RestControllerAdvice
|
||||
public class TestControllerAdvice {
|
||||
|
||||
@ExceptionHandler({FeignException.class})
|
||||
public ResponseEntity<Object> handleFeignException(FeignException exception) {
|
||||
return new ResponseEntity<>(exception.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue