org.hibernate.testing.junit4.Helper Maven / Gradle / Ivy
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.testing.junit4;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.function.Consumer;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;
import org.hibernate.testing.FailureExpected;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.TestClass;
/**
* Centralized utility functionality
*
* @author Steve Ebersole
*/
public final class Helper {
public static final String VALIDATE_FAILURE_EXPECTED = FailureExpected.VALIDATE_FAILURE_EXPECTED;
private Helper() {
}
/**
* Standard string content checking.
*
* @param string The string to check
*
* @return Are its content empty or the reference null?
*/
public static boolean isNotEmpty(String string) {
return string != null && string.length() > 0;
}
/**
* Extract a nice test name representation for display
*
* @param frameworkMethod The test method.
*
* @return The display representation
*/
public static String extractTestName(FrameworkMethod frameworkMethod) {
return frameworkMethod.getMethod().getDeclaringClass().getName() + '#' + frameworkMethod.getName();
}
/**
* Extract a nice method name representation for display
*
* @param method The method.
*
* @return The display representation
*/
public static String extractMethodName(Method method) {
return method.getDeclaringClass().getName() + "#" + method.getName();
}
public static T locateAnnotation(
Class annotationClass,
FrameworkMethod frameworkMethod,
TestClass testClass) {
T annotation = frameworkMethod.getAnnotation( annotationClass );
if ( annotation == null ) {
annotation = testClass.getJavaClass().getAnnotation( annotationClass );
}
return annotation;
}
/**
* Locates the specified annotation both at the method site and class site.
*
* This is useful for situations where you may apply the same annotation at both the method
* and class level and rather than both sites being mutually exclusive, this permits both
* to be returned instead.
*
* @param annotationClass Annotation class
* @param frameworkMethod Test method.
* @param testClass Test class.
* @param Annotation type.
*
* @return Collection of all annotations detected at both method or class level.
*/
public static List locateAllAnnotations(
Class annotationClass,
FrameworkMethod frameworkMethod,
TestClass testClass) {
final List annotations = new LinkedList<>();
T annotation = frameworkMethod.getAnnotation( annotationClass );
if ( annotation != null ) {
annotations.add( annotation );
}
annotation = testClass.getJavaClass().getAnnotation( annotationClass );
if ( annotation != null ) {
annotations.add( annotation );
}
return annotations;
}
/**
* @param singularAnnotationClass Singular annotation class (e.g. {@link org.hibernate.testing.SkipForDialect}).
* @param pluralAnnotationClass Plural annotation class (e.g. {@link org.hibernate.testing.SkipForDialects}),
* assuming that the only declared method is an array of singular annotations.
* @param frameworkMethod Test method.
* @param testClass Test class.
* @param Singular annotation type.
* @param Plural annotation type.
*
* @return Collection of all singular annotations or an empty list.
*/
@SuppressWarnings("unchecked")
public static Collection collectAnnotations(
Class singularAnnotationClass,
Class
pluralAnnotationClass,
FrameworkMethod frameworkMethod,
TestClass testClass) {
return collectAnnotations(
singularAnnotationClass,
pluralAnnotationClass,
(methodAnnotation, methodAnnotations, classAnnotation, classAnnotations) -> {
final List list = new ArrayList<>();
if ( methodAnnotation != null ) {
list.add( methodAnnotation );
}
else if ( classAnnotation != null ) {
list.add( classAnnotation );
}
if ( methodAnnotations != null ) {
list.addAll( Arrays.asList( methodAnnotations ) );
}
else if ( classAnnotations != null ) {
list.addAll( Arrays.asList( classAnnotations ) );
}
return list;
},
frameworkMethod,
testClass
);
}
public static Collection collectAnnotations(
Class singularAnnotationClass,
Class
pluralAnnotationClass,
TestAnnotationCollector collector,
FrameworkMethod frameworkMethod,
TestClass testClass) {
final S methodSingularAnn = frameworkMethod.getAnnotation( singularAnnotationClass );
final S classSingularAnn = testClass.getAnnotation( singularAnnotationClass );
final P methodPluralAnn = frameworkMethod.getAnnotation( pluralAnnotationClass );
final P classPluralAnn = testClass.getAnnotation( pluralAnnotationClass );
final S[] methodAnnotations;
final S[] classAnnotations;
if ( methodPluralAnn != null ) {
try {
methodAnnotations = (S[]) pluralAnnotationClass.getDeclaredMethods()[0].invoke( methodPluralAnn );
}
catch (Exception e) {
throw new RuntimeException( e );
}
}
else {
methodAnnotations = null;
}
if ( classPluralAnn != null ) {
try {
classAnnotations = (S[]) pluralAnnotationClass.getDeclaredMethods()[0].invoke( classPluralAnn );
}
catch (Exception e) {
throw new RuntimeException( e );
}
}
else {
classAnnotations = null;
}
return collector.collect( methodSingularAnn, methodAnnotations, classSingularAnn, classAnnotations );
}
public interface TestAnnotationCollector {
Collection collect(S methodAnnotation, S[] methodAnnotations, S classAnnotation, S[] classAnnotations);
}
public static String extractMessage(FailureExpected failureExpected) {
StringBuilder buffer = new StringBuilder();
buffer.append( '(' ).append( failureExpected.jiraKey() ).append( ')' );
if ( isNotEmpty( failureExpected.message() ) ) {
buffer.append( " : " ).append( failureExpected.message() );
}
return buffer.toString();
}
public static String extractIgnoreMessage(FailureExpected failureExpected, FrameworkMethod frameworkMethod) {
return new StringBuilder( "Ignoring test [" )
.append( Helper.extractTestName( frameworkMethod ) )
.append( "] due to @FailureExpected - " )
.append( extractMessage( failureExpected ) )
.toString();
}
/**
* @see #createH2Schema(String, Map)
*/
public static void createH2Schema(String schemaName, Configuration cfg) {
createH2Schema( schemaName, cfg.getProperties() );
}
/**
* Create additional H2 schema.
*
* @param schemaName New schema name.
* @param settings Current settings.
*/
public static void createH2Schema(String schemaName, Map settings) {
settings.put(
Environment.URL,
settings.get( Environment.URL ) + ";INIT=CREATE SCHEMA IF NOT EXISTS " + schemaName
);
}
}