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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
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package org.apache.deltaspike.test.api.metadata;
import org.apache.deltaspike.core.api.literal.AlternativeLiteral;
import org.apache.deltaspike.core.api.literal.AnyLiteral;
import org.apache.deltaspike.core.api.literal.ApplicationScopedLiteral;
import org.apache.deltaspike.core.api.literal.NamedLiteral;
import org.apache.deltaspike.core.api.literal.TypedLiteral;
import org.apache.deltaspike.core.util.metadata.builder.AnnotatedTypeBuilder;
import org.junit.Test;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Observes;
import javax.enterprise.inject.Alternative;
import javax.enterprise.inject.Default;
import javax.enterprise.inject.Typed;
import javax.enterprise.inject.spi.AnnotatedConstructor;
import javax.enterprise.inject.spi.AnnotatedMethod;
import javax.enterprise.inject.spi.AnnotatedParameter;
import javax.enterprise.inject.spi.AnnotatedType;
import javax.inject.Named;
import java.util.List;
import java.util.Set;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertNotNull;
public class AnnotatedTypeBuilderTest
{
@Test
public void testTypeLevelAnnotationRedefinition()
{
AnnotatedTypeBuilder<Cat> builder = new AnnotatedTypeBuilder<Cat>();
builder.readFromType(Cat.class);
AnnotatedType<Cat> cat = builder.create();
assertNotNull(cat);
assertNotNull(cat.getAnnotation(Named.class));
assertEquals("cat", cat.getAnnotation(Named.class).value());
builder.addToClass(new AlternativeLiteral())
.addToClass(new ApplicationScopedLiteral())
.removeFromClass(Named.class)
.addToClass(new NamedLiteral("tomcat"));
cat = builder.create();
assertNotNull(cat);
assertEquals(3, cat.getAnnotations().size());
assertTrue(cat.isAnnotationPresent(Named.class));
assertTrue(cat.isAnnotationPresent(Alternative.class));
assertTrue(cat.isAnnotationPresent(ApplicationScoped.class));
assertEquals("tomcat", cat.getAnnotation(Named.class).value());
AnnotatedMethod observerMethod = null;
for (AnnotatedMethod m : cat.getMethods())
{
if ("doSomeObservation".equals(m.getJavaMember().getName()))
{
observerMethod = m;
break;
}
}
assertNotNull(observerMethod);
observerMethod.isAnnotationPresent(Observes.class);
{
// test reading from an AnnotatedType
AnnotatedTypeBuilder<Cat> builder2 = new AnnotatedTypeBuilder<Cat>();
builder2.readFromType(cat);
builder2.removeFromAll(Named.class);
final AnnotatedType<Cat> noNameCat = builder2.create();
assertFalse(noNameCat.isAnnotationPresent(Named.class));
assertEquals(2, noNameCat.getAnnotations().size());
}
{
// test reading from an AnnotatedType in non-overwrite mode
AnnotatedTypeBuilder<Cat> builder3 = new AnnotatedTypeBuilder<Cat>();
builder3.readFromType(cat, true);
builder3.removeFromAll(Named.class);
builder3.readFromType(cat, false);
final AnnotatedType<Cat> namedCat = builder3.create();
assertTrue(namedCat.isAnnotationPresent(Named.class));
assertEquals(3, namedCat.getAnnotations().size());
}
}
@Test
public void testAdditionOfAnnotation()
{
final AnnotatedTypeBuilder<Cat> builder = new AnnotatedTypeBuilder<Cat>();
builder.readFromType(Cat.class, true);
builder.addToClass(new TypedLiteral());
final AnnotatedType<Cat> catAnnotatedType = builder.create();
assertThat(catAnnotatedType.isAnnotationPresent(Typed.class), is(true));
}
@Test
public void modifyAnnotationsOnConstructorParameter() throws NoSuchMethodException
{
final AnnotatedTypeBuilder<Cat> builder = new AnnotatedTypeBuilder<Cat>();
builder.readFromType(Cat.class, true);
builder.removeFromConstructorParameter(Cat.class.getConstructor(String.class, String.class), 1, Default.class);
builder.addToConstructorParameter(Cat.class.getConstructor(String.class, String.class), 1, new AnyLiteral());
final AnnotatedType<Cat> catAnnotatedType = builder.create();
Set<AnnotatedConstructor<Cat>> catCtors = catAnnotatedType.getConstructors();
assertThat(catCtors.size(), is(2));
for (AnnotatedConstructor<Cat> ctor : catCtors)
{
if (ctor.getParameters().size() == 2)
{
List<AnnotatedParameter<Cat>> ctorParams = ctor.getParameters();
assertThat(ctorParams.get(1).getAnnotations().size(), is(1));
assertThat((AnyLiteral) ctorParams.get(1).getAnnotations().toArray()[0], is(new AnyLiteral()));
}
}
}
@Test
public void buildValidAnnotationAnnotatedType()
{
final AnnotatedTypeBuilder<Small> builder = new AnnotatedTypeBuilder<Small>();
builder.readFromType(Small.class);
final AnnotatedType<Small> smallAnnotatedType = builder.create();
assertThat(smallAnnotatedType.getMethods().size(), is(1));
assertThat(smallAnnotatedType.getConstructors().size(), is(0));
assertThat(smallAnnotatedType.getFields().size(), is(0));
}
}