/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* "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.apache.felix.ipojo.runtime.core;
import org.apache.felix.ipojo.runtime.core.components.Marker;
import org.apache.felix.ipojo.runtime.core.components.SubMarker;
import org.junit.Before;
import org.junit.Test;
import org.ow2.chameleon.testing.helpers.BaseTest;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.List;
import static junit.framework.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
public class TestAnnotationProcessing extends BaseTest {
private Class clazz;
@Before
public void setUp() {
try {
clazz = bc.getBundle().
loadClass("org.apache.felix.ipojo.runtime.core.components.Annotation");
} catch (ClassNotFoundException e) {
fail("Cannot load the annotation class : " + e.getMessage());
}
}
@Override
protected List<String> getExtraExports() {
return Arrays.asList("org.apache.felix.ipojo.runtime.core.components");
}
@Test
public void testAnnotationOnMethod() {
Method method = null;
try {
method = this.clazz.getMethod("doSomething", new Class[0]);
} catch (Exception e) {
fail("Cannot find the doSomething method : " + e.getMessage());
}
assertNotNull("Check method existence", method);
java.lang.annotation.Annotation[] annotations = method.getDeclaredAnnotations();
assertNotNull("Check annotations size - 1", annotations);
assertEquals("Check annotations size - 2", 2, annotations.length); // Invisible is not visible
/*
@Marker(name="marker", type=Type.BAR,
sub=@SubMarker(subname="foo"),
arrayOfObjects={"foo", "bar", "baz"},
arrayOfAnnotations= {@SubMarker(subname="foo")}
)
@SubMarker(subname="bar")
@Invisible
*/
Marker marker = getMarkerAnnotation(annotations);
assertNotNull("Check marker", marker);
assertEquals("Check marker name", "marker", marker.name());
assertEquals("Check marker type", Marker.Type.BAR, marker.type());
assertEquals("Check sub marker attribute", "foo", marker.sub().subname());
assertEquals("Check objects [0]", "foo", marker.arrayOfObjects()[0]);
assertEquals("Check objects [1]", "bar", marker.arrayOfObjects()[1]);
assertEquals("Check objects [2]", "baz", marker.arrayOfObjects()[2]);
assertEquals("Check annotations[0]", "foo", marker.arrayOfAnnotations()[0].subname());
SubMarker sub = getSubMarkerAnnotation(annotations);
assertNotNull("Check submarker", sub);
assertEquals("Check submarker", "bar", sub.subname());
}
@Test
public void testAnnotationOnConstructor() {
Constructor method = null;
try {
method = clazz.getConstructor(new Class[0]);
} catch (Exception e) {
fail("Cannot find the constructor method : " + e.getMessage());
}
assertNotNull("Check method existence", method);
java.lang.annotation.Annotation[] annotations = method.getDeclaredAnnotations();
assertNotNull("Check annotations size - 1", annotations);
assertEquals("Check annotations size - 2", 2, annotations.length); // Invisible is not visible
/*
@Marker(name="marker", type=Type.BAR,
sub=@SubMarker(subname="foo"),
arrayOfObjects={"foo", "bar", "baz"},
arrayOfAnnotations= {@SubMarker(subname="foo")}
)
@SubMarker(subname="bar")
@Invisible
*/
Marker marker = getMarkerAnnotation(annotations);
assertNotNull("Check marker", marker);
assertEquals("Check marker name", "marker", marker.name());
assertEquals("Check marker type", Marker.Type.BAR, marker.type());
assertEquals("Check sub marker attribute", "foo", marker.sub().subname());
assertEquals("Check objects [0]", "foo", marker.arrayOfObjects()[0]);
assertEquals("Check objects [1]", "bar", marker.arrayOfObjects()[1]);
assertEquals("Check objects [2]", "baz", marker.arrayOfObjects()[2]);
assertEquals("Check annotations[0]", "foo", marker.arrayOfAnnotations()[0].subname());
SubMarker sub = getSubMarkerAnnotation(annotations);
assertNotNull("Check submarker", sub);
assertEquals("Check submarker", "bar", sub.subname());
}
@Test
public void testParameterAnnotations() {
Method method = null;
try {
method = this.clazz.getMethod("doSomethingWithParams", new Class[]{String.class, String.class, String.class});
} catch (Exception e) {
fail("Cannot find the doSomethingWithParams method : " + e.getMessage());
}
assertNotNull("Check method existence", method);
java.lang.annotation.Annotation[][] annotations = method.getParameterAnnotations();
assertNotNull("Check annotations size - 1", annotations);
assertEquals("Check annotations size - 3", 3, annotations.length);
// Check internals
// First parameter (foo)
java.lang.annotation.Annotation[] fooAnns = annotations[0];
assertEquals("Check fooAnns length", 1, fooAnns.length);
Marker marker = (Marker) fooAnns[0];
assertNotNull("Check marker", marker);
assertEquals("Check marker name", "marker", marker.name());
assertEquals("Check marker type", Marker.Type.BAR, marker.type());
assertEquals("Check sub marker attribute", "foo", marker.sub().subname());
assertEquals("Check objects [0]", "foo", marker.arrayOfObjects()[0]);
assertEquals("Check objects [1]", "bar", marker.arrayOfObjects()[1]);
assertEquals("Check objects [2]", "baz", marker.arrayOfObjects()[2]);
assertEquals("Check annotations[0]", "foo", marker.arrayOfAnnotations()[0].subname());
// Second parameter (bar), no annotation (invisible)
java.lang.annotation.Annotation[] barAnns = annotations[1];
assertEquals("Check barAnns length", 0, barAnns.length);
// Third parameter (baz), two annotations
java.lang.annotation.Annotation[] bazAnns = annotations[2];
System.out.println(Arrays.toString(bazAnns));
assertEquals("Check bazAnns length", 2, bazAnns.length);
}
private Marker getMarkerAnnotation(java.lang.annotation.Annotation[] annotations) {
for (int i = 0; i < annotations.length; i++) {
if (annotations[i].annotationType().getName().equals("org.apache.felix.ipojo.runtime.core.components.Marker")) {
return (Marker) annotations[i];
}
}
return null;
}
private SubMarker getSubMarkerAnnotation(java.lang.annotation.Annotation[] annotations) {
for (int i = 0; i < annotations.length; i++) {
if (annotations[i].annotationType().getName().equals("org.apache.felix.ipojo.runtime.core.components.SubMarker")) {
return (SubMarker) annotations[i];
}
}
return null;
}
}