/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* 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.Locale;
import java.util.Map;
import javax.validation.Valid;
import javax.validation.constraints.Min;
import javax.validation.constraints.NotNull;
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 org.springframework.validation.BindException;
import org.springframework.validation.Errors;
import org.springframework.validation.FieldError;
import org.springframework.validation.Validator;
import org.springframework.validation.annotation.Validated;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link BindValidationFailureAnalyzer}.
*
* @author Madhura Bhave
*/
public class BindValidationFailureAnalyzerTests {
@Before
public void setup() {
LocaleContextHolder.setLocale(Locale.US);
}
@After
public void cleanup() {
LocaleContextHolder.resetLocaleContext();
}
@Test
public void bindExceptionWithFieldErrorsDueToValidationFailure() {
FailureAnalysis analysis = performAnalysis(
FieldValidationFailureConfiguration.class);
assertThat(analysis.getDescription())
.contains(failure("test.foo.foo", "null", "may not be null"));
assertThat(analysis.getDescription())
.contains(failure("test.foo.value", "0", "at least five"));
assertThat(analysis.getDescription())
.contains(failure("test.foo.nested.bar", "null", "may not be null"));
}
@Test
public void bindExceptionWithOriginDueToValidationFailure() throws Exception {
FailureAnalysis analysis = performAnalysis(
FieldValidationFailureConfiguration.class, "test.foo.value=4");
assertThat(analysis.getDescription())
.contains("Origin: \"test.foo.value\" from property source \"test\"");
}
@Test
public void bindExceptionWithObjectErrorsDueToValidationFailure() throws Exception {
FailureAnalysis analysis = performAnalysis(
ObjectValidationFailureConfiguration.class);
assertThat(analysis.getDescription())
.contains("Reason: This object could not be bound.");
}
@Test
public void otherBindExceptionShouldReturnAnalysis() throws Exception {
BindException cause = new BindException(new FieldValidationFailureProperties(),
"fieldValidationFailureProperties");
cause.addError(new FieldError("test", "value", "may not be null"));
BeanCreationException rootFailure = new BeanCreationException(
"bean creation failure", cause);
FailureAnalysis analysis = new BindValidationFailureAnalyzer()
.analyze(rootFailure, rootFailure);
assertThat(analysis.getDescription())
.contains(failure("test.value", "null", "may not be null"));
}
private static String failure(String property, String value, String reason) {
return String.format("Property: %s%n Value: %s%n Reason: %s", property,
value, reason);
}
private FailureAnalysis performAnalysis(Class<?> configuration,
String... environment) {
BeanCreationException failure = createFailure(configuration, environment);
assertThat(failure).isNotNull();
return new BindValidationFailureAnalyzer().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(FieldValidationFailureProperties.class)
static class FieldValidationFailureConfiguration {
}
@EnableConfigurationProperties(ObjectErrorFailureProperties.class)
static class ObjectValidationFailureConfiguration {
}
@ConfigurationProperties("test.foo")
@Validated
static class FieldValidationFailureProperties {
@NotNull
private String foo;
@Min(value = 5, message = "at least five")
private int value;
@Valid
private FieldValidationFailureProperties.Nested nested = new FieldValidationFailureProperties.Nested();
public String getFoo() {
return this.foo;
}
public void setFoo(String foo) {
this.foo = foo;
}
public int getValue() {
return this.value;
}
public void setValue(int value) {
this.value = value;
}
public FieldValidationFailureProperties.Nested getNested() {
return this.nested;
}
public void setNested(FieldValidationFailureProperties.Nested nested) {
this.nested = nested;
}
static class Nested {
@NotNull
private String bar;
public String getBar() {
return this.bar;
}
public void setBar(String bar) {
this.bar = bar;
}
}
}
@ConfigurationProperties("foo.bar")
@Validated
static class ObjectErrorFailureProperties implements Validator {
@Override
public void validate(Object target, Errors errors) {
errors.reject("my.objectError", "This object could not be bound.");
}
@Override
public boolean supports(Class<?> clazz) {
return true;
}
}
}