Madhura Bhave
8 years ago
parent
291b0c5fa7
commit
9ef3a448e6
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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.diagnostics.analyzer;
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import java.util.List;
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import org.springframework.boot.context.properties.bind.BindException;
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import org.springframework.boot.context.properties.bind.validation.BindValidationException;
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import org.springframework.boot.diagnostics.AbstractFailureAnalyzer;
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import org.springframework.boot.diagnostics.FailureAnalysis;
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import org.springframework.boot.origin.Origin;
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import org.springframework.validation.FieldError;
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import org.springframework.validation.ObjectError;
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/**
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* An {@link AbstractFailureAnalyzer} that performs analysis of any bind validation failures
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* caused by {@link BindValidationException} or {@link org.springframework.validation.BindException}.
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*
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* @author Madhura Bhave
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*/
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public class BindValidationFailureAnalyzer extends AbstractFailureAnalyzer<Throwable> {
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@Override
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protected FailureAnalysis analyze(Throwable rootFailure, Throwable cause) {
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ExceptionDetails details = getBindValidationExceptionDetails(rootFailure);
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if (details == null) {
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return null;
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}
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return analyzeBindValidationException(details);
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}
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private ExceptionDetails getBindValidationExceptionDetails(Throwable rootFailure) {
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BindValidationException validationException = findCause(rootFailure, BindValidationException.class);
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if (validationException != null) {
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BindException target = findCause(rootFailure, BindException.class);
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List<ObjectError> errors = validationException.getValidationErrors().getAllErrors();
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return new ExceptionDetails(errors, target, validationException);
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}
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org.springframework.validation.BindException bindException = findCause(rootFailure, org.springframework.validation.BindException.class);
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if (bindException != null) {
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List<ObjectError> errors = bindException.getAllErrors();
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return new ExceptionDetails(errors, bindException.getTarget(), bindException);
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}
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return null;
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}
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private FailureAnalysis analyzeBindValidationException(ExceptionDetails details) {
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StringBuilder description = new StringBuilder(
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String.format("Binding to target %s failed:%n", details.getTarget()));
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for (ObjectError error : details.getErrors()) {
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if (error instanceof FieldError) {
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appendFieldError(description, (FieldError) error);
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}
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description.append(
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String.format("%n Reason: %s%n", error.getDefaultMessage()));
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}
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return getFailureAnalysis(description, details.getCause());
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}
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private void appendFieldError(StringBuilder description, FieldError error) {
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Origin origin = Origin.from(error);
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description.append(String.format("%n Property: %s",
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error.getObjectName() + "." + error.getField()));
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description.append(String.format("%n Value: %s", error.getRejectedValue()));
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if (origin != null) {
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description.append(String.format("%n Origin: %s", origin));
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}
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}
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private FailureAnalysis getFailureAnalysis(Object description, Throwable cause) {
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return new FailureAnalysis(description.toString(),
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"Update your application's configuration", cause);
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}
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private static class ExceptionDetails {
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private List<ObjectError> errors;
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private Object target;
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private Throwable cause;
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ExceptionDetails(List<ObjectError> errors, Object target, Throwable cause) {
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this.errors = errors;
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this.target = target;
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this.cause = cause;
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}
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public Object getTarget() {
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return this.target;
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}
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public List<ObjectError> getErrors() {
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return this.errors;
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}
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public Throwable getCause() {
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return this.cause;
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}
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}
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}
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@ -0,0 +1,64 @@
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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.diagnostics.analyzer;
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import org.springframework.boot.context.properties.bind.BindException;
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import org.springframework.boot.context.properties.bind.UnboundConfigurationPropertiesException;
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import org.springframework.boot.context.properties.source.ConfigurationProperty;
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import org.springframework.boot.diagnostics.AbstractFailureAnalyzer;
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import org.springframework.boot.diagnostics.FailureAnalysis;
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/**
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* An {@link AbstractFailureAnalyzer} that performs analysis of failures caused by any
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* {@link UnboundConfigurationPropertiesException}.
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*
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* @author Madhura Bhave
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*/
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public class UnboundConfigurationPropertyFailureAnalyzer extends AbstractFailureAnalyzer<UnboundConfigurationPropertiesException> {
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@Override
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protected FailureAnalysis analyze(Throwable rootFailure, UnboundConfigurationPropertiesException cause) {
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BindException exception = findCause(rootFailure, BindException.class);
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return analyzeUnboundConfigurationPropertiesException(exception, cause);
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}
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private FailureAnalysis analyzeUnboundConfigurationPropertiesException(
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BindException cause, UnboundConfigurationPropertiesException exception) {
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StringBuilder description = new StringBuilder(
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String.format("Binding to target %s failed:%n", cause.getTarget()));
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for (ConfigurationProperty property : exception.getUnboundProperties()) {
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buildDescription(description, property);
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description.append(String.format("%n Reason: %s", exception.getMessage()));
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}
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return getFailureAnalysis(description, cause);
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}
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private void buildDescription(StringBuilder description,
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ConfigurationProperty property) {
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if (property != null) {
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description.append(String.format("%n Property: %s", property.getName()));
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description.append(String.format("%n Value: %s", property.getValue()));
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description.append(String.format("%n Origin: %s", property.getOrigin()));
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}
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}
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private FailureAnalysis getFailureAnalysis(Object description, BindException cause) {
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return new FailureAnalysis(description.toString(),
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"Update your application's configuration", cause);
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}
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}
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@ -0,0 +1,221 @@
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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.diagnostics.analyzer;
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import java.util.HashMap;
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import java.util.Locale;
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import java.util.Map;
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import javax.validation.Valid;
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import javax.validation.constraints.Min;
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import javax.validation.constraints.NotNull;
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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.springframework.beans.factory.BeanCreationException;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.boot.context.properties.EnableConfigurationProperties;
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import org.springframework.boot.diagnostics.FailureAnalysis;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.i18n.LocaleContextHolder;
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import org.springframework.core.env.MapPropertySource;
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import org.springframework.core.env.MutablePropertySources;
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import org.springframework.validation.BindException;
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import org.springframework.validation.Errors;
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import org.springframework.validation.FieldError;
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import org.springframework.validation.Validator;
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import org.springframework.validation.annotation.Validated;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* Tests for {@link BindValidationFailureAnalyzer}.
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*
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* @author Madhura Bhave
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*/
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public class BindValidationFailureAnalyzerTests {
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@Before
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public void setup() {
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LocaleContextHolder.setLocale(Locale.US);
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}
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@After
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public void cleanup() {
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LocaleContextHolder.resetLocaleContext();
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}
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@Test
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public void bindExceptionWithFieldErrorsDueToValidationFailure() {
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FailureAnalysis analysis = performAnalysis(
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FieldValidationFailureConfiguration.class);
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assertThat(analysis.getDescription())
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.contains(failure("test.foo.foo", "null", "may not be null"));
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assertThat(analysis.getDescription())
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.contains(failure("test.foo.value", "0", "at least five"));
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assertThat(analysis.getDescription())
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.contains(failure("test.foo.nested.bar", "null", "may not be null"));
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}
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@Test
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public void bindExceptionWithOriginDueToValidationFailure() throws Exception {
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FailureAnalysis analysis = performAnalysis(
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FieldValidationFailureConfiguration.class, "test.foo.value=4");
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assertThat(analysis.getDescription())
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.contains("Origin: \"test.foo.value\" from property source \"test\"");
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}
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@Test
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public void bindExceptionWithObjectErrorsDueToValidationFailure() throws Exception {
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FailureAnalysis analysis = performAnalysis(
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ObjectValidationFailureConfiguration.class);
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assertThat(analysis.getDescription())
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.contains("Reason: This object could not be bound.");
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}
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@Test
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public void otherBindExceptionShouldReturnAnalysis() throws Exception {
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BindException cause = new BindException(new FieldValidationFailureProperties(), "fieldValidationFailureProperties");
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cause.addError(new FieldError("test", "value", "may not be null"));
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BeanCreationException rootFailure = new BeanCreationException("bean creation failure", cause);
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FailureAnalysis analysis = new BindValidationFailureAnalyzer().analyze(rootFailure, rootFailure);
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assertThat(analysis.getDescription())
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.contains(failure("test.value", "null", "may not be null"));
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}
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private static String failure(String property, String value, String reason) {
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return String.format("Property: %s%n Value: %s%n Reason: %s", property,
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value, reason);
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}
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private FailureAnalysis performAnalysis(Class<?> configuration,
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String... environment) {
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BeanCreationException failure = createFailure(configuration, environment);
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assertThat(failure).isNotNull();
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return new BindValidationFailureAnalyzer().analyze(failure);
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}
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private BeanCreationException createFailure(Class<?> configuration,
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String... environment) {
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try {
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AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
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addEnvironment(context, environment);
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context.register(configuration);
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context.refresh();
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context.close();
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return null;
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}
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catch (BeanCreationException ex) {
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return ex;
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}
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}
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private void addEnvironment(AnnotationConfigApplicationContext context,
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String[] environment) {
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MutablePropertySources sources = context.getEnvironment().getPropertySources();
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Map<String, Object> map = new HashMap<>();
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for (String pair : environment) {
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int index = pair.indexOf("=");
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String key = pair.substring(0, index > 0 ? index : pair.length());
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String value = index > 0 ? pair.substring(index + 1) : "";
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map.put(key.trim(), value.trim());
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}
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sources.addFirst(new MapPropertySource("test", map));
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}
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@EnableConfigurationProperties(FieldValidationFailureProperties.class)
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static class FieldValidationFailureConfiguration {
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}
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@EnableConfigurationProperties(ObjectErrorFailureProperties.class)
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static class ObjectValidationFailureConfiguration {
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}
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@ConfigurationProperties("test.foo")
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@Validated
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static class FieldValidationFailureProperties {
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@NotNull
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private String foo;
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@Min(value = 5, message = "at least five")
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private int value;
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@Valid
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private FieldValidationFailureProperties.Nested nested = new FieldValidationFailureProperties.Nested();
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public String getFoo() {
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return this.foo;
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}
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public void setFoo(String foo) {
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this.foo = foo;
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}
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public int getValue() {
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return this.value;
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}
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public void setValue(int value) {
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this.value = value;
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}
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public FieldValidationFailureProperties.Nested getNested() {
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return this.nested;
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}
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public void setNested(FieldValidationFailureProperties.Nested nested) {
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this.nested = nested;
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}
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static class Nested {
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@NotNull
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private String bar;
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public String getBar() {
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return this.bar;
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}
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public void setBar(String bar) {
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this.bar = bar;
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}
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}
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}
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@ConfigurationProperties("foo.bar")
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@Validated
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static class ObjectErrorFailureProperties implements Validator {
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@Override
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public void validate(Object target, Errors errors) {
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errors.reject("my.objectError", "This object could not be bound.");
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}
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@Override
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public boolean supports(Class<?> clazz) {
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return true;
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}
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}
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}
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@ -0,0 +1,127 @@
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/*
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* Copyright 2012-2017 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
|
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|
* you may not use this file except in compliance with the License.
|
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* You may obtain a copy of the License at
|
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*
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* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
package org.springframework.boot.diagnostics.analyzer;
|
||||||
|
|
||||||
|
import java.util.HashMap;
|
||||||
|
import java.util.List;
|
||||||
|
import java.util.Locale;
|
||||||
|
import java.util.Map;
|
||||||
|
|
||||||
|
import org.junit.After;
|
||||||
|
import org.junit.Before;
|
||||||
|
import org.junit.Test;
|
||||||
|
|
||||||
|
import org.springframework.beans.factory.BeanCreationException;
|
||||||
|
import org.springframework.boot.context.properties.ConfigurationProperties;
|
||||||
|
import org.springframework.boot.context.properties.EnableConfigurationProperties;
|
||||||
|
import org.springframework.boot.diagnostics.FailureAnalysis;
|
||||||
|
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
|
||||||
|
import org.springframework.context.i18n.LocaleContextHolder;
|
||||||
|
import org.springframework.core.env.MapPropertySource;
|
||||||
|
import org.springframework.core.env.MutablePropertySources;
|
||||||
|
|
||||||
|
import static org.assertj.core.api.Assertions.assertThat;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Tests for {@link UnboundConfigurationPropertyFailureAnalyzer}.
|
||||||
|
*
|
||||||
|
* @author Madhura Bhave
|
||||||
|
*/
|
||||||
|
public class UnboundConfigurationPropertyFailureAnalyzerTests {
|
||||||
|
|
||||||
|
@Before
|
||||||
|
public void setup() {
|
||||||
|
LocaleContextHolder.setLocale(Locale.US);
|
||||||
|
}
|
||||||
|
|
||||||
|
@After
|
||||||
|
public void cleanup() {
|
||||||
|
LocaleContextHolder.resetLocaleContext();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void bindExceptionDueToUnboundElements() throws Exception {
|
||||||
|
FailureAnalysis analysis = performAnalysis(
|
||||||
|
UnboundElementsFailureConfiguration.class, "test.foo.listValue[0]=hello",
|
||||||
|
"test.foo.listValue[2]=world");
|
||||||
|
assertThat(analysis.getDescription()).contains(failure("test.foo.listvalue[2]",
|
||||||
|
"world", "\"test.foo.listValue[2]\" from property source \"test\"",
|
||||||
|
"The elements [test.foo.listvalue[2]] were left unbound."));
|
||||||
|
}
|
||||||
|
|
||||||
|
private static String failure(String property, String value, String origin,
|
||||||
|
String reason) {
|
||||||
|
return String.format(
|
||||||
|
"Property: %s%n Value: %s%n Origin: %s%n Reason: %s", property,
|
||||||
|
value, origin, reason);
|
||||||
|
}
|
||||||
|
|
||||||
|
private FailureAnalysis performAnalysis(Class<?> configuration,
|
||||||
|
String... environment) {
|
||||||
|
BeanCreationException failure = createFailure(configuration, environment);
|
||||||
|
assertThat(failure).isNotNull();
|
||||||
|
return new UnboundConfigurationPropertyFailureAnalyzer().analyze(failure);
|
||||||
|
}
|
||||||
|
|
||||||
|
private BeanCreationException createFailure(Class<?> configuration,
|
||||||
|
String... environment) {
|
||||||
|
try {
|
||||||
|
AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
|
||||||
|
addEnvironment(context, environment);
|
||||||
|
context.register(configuration);
|
||||||
|
context.refresh();
|
||||||
|
context.close();
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
catch (BeanCreationException ex) {
|
||||||
|
return ex;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void addEnvironment(AnnotationConfigApplicationContext context,
|
||||||
|
String[] environment) {
|
||||||
|
MutablePropertySources sources = context.getEnvironment().getPropertySources();
|
||||||
|
Map<String, Object> map = new HashMap<>();
|
||||||
|
for (String pair : environment) {
|
||||||
|
int index = pair.indexOf("=");
|
||||||
|
String key = pair.substring(0, index > 0 ? index : pair.length());
|
||||||
|
String value = index > 0 ? pair.substring(index + 1) : "";
|
||||||
|
map.put(key.trim(), value.trim());
|
||||||
|
}
|
||||||
|
sources.addFirst(new MapPropertySource("test", map));
|
||||||
|
}
|
||||||
|
|
||||||
|
@EnableConfigurationProperties(UnboundElementsFailureProperties.class)
|
||||||
|
static class UnboundElementsFailureConfiguration {
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
@ConfigurationProperties("test.foo")
|
||||||
|
static class UnboundElementsFailureProperties {
|
||||||
|
|
||||||
|
private List<String> listValue;
|
||||||
|
|
||||||
|
public List<String> getListValue() {
|
||||||
|
return this.listValue;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void setListValue(List<String> listValue) {
|
||||||
|
this.listValue = listValue;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue