/*
* Copyright 2014 Attila Szegedi, Daniel Dekany, Jonathan Revusky
*
* 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 freemarker.ext.beans;
import static org.junit.Assert.*;
import java.lang.ref.Reference;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import freemarker.ext.beans.BeansWrapper.MethodAppearanceDecision;
import freemarker.ext.beans.BeansWrapper.MethodAppearanceDecisionInput;
@RunWith(JUnit4.class)
public class BeansWrapperCachesTest {
@Test
public void introspectionSettingChanges() {
BeansWrapper bw = new BeansWrapper();
ClassIntrospector ci1 = bw.getClassIntrospector();
checkRegisteredModelFactories(ci1, bw.getStaticModels(), bw.getEnumModels(), bw.getModelCache());
bw.setExposeFields(true);
ClassIntrospector ci2 = bw.getClassIntrospector();
assertNotSame(ci1, ci2);
checkRegisteredModelFactories(ci1);
checkRegisteredModelFactories(ci2, bw.getStaticModels(), bw.getEnumModels(), bw.getModelCache());
bw.setExposureLevel(BeansWrapper.EXPOSE_ALL);
ClassIntrospector ci3 = bw.getClassIntrospector();
assertNotSame(ci2, ci3);
checkRegisteredModelFactories(ci2);
checkRegisteredModelFactories(ci3, bw.getStaticModels(), bw.getEnumModels(), bw.getModelCache());
MethodAppearanceFineTuner maf = new MethodAppearanceFineTuner() {
public void process(MethodAppearanceDecisionInput in, MethodAppearanceDecision out) {
// nop
}
};
bw.setMethodAppearanceFineTuner(maf);
ClassIntrospector ci4 = bw.getClassIntrospector();
assertNotSame(ci3, ci4);
checkRegisteredModelFactories(ci3);
checkRegisteredModelFactories(ci4, bw.getStaticModels(), bw.getEnumModels(), bw.getModelCache());
bw.setExposeFields(true);
assertSame(ci4, bw.getClassIntrospector());
bw.setExposureLevel(BeansWrapper.EXPOSE_ALL);
assertSame(ci4, bw.getClassIntrospector());
bw.setMethodAppearanceFineTuner(maf);
assertSame(ci4, bw.getClassIntrospector());
checkRegisteredModelFactories(ci4, bw.getStaticModels(), bw.getEnumModels(), bw.getModelCache());
}
private void checkRegisteredModelFactories(ClassIntrospector ci, Object... expected) {
Object[] actualRefs = ci.getRegisteredModelFactoriesSnapshot();
scanActuals: for (Object actaulRef : actualRefs) {
Object actualItem = ((Reference) actaulRef).get();
for (Object expectedItem : expected) {
if (actualItem == expectedItem) {
continue scanActuals;
}
}
fail("Actaul item " + actualItem + " is not among the expected items");
}
scanExpecteds: for (Object expectedItem : expected) {
for (Object ref : actualRefs) {
Object actualItem = ((Reference) ref).get();
if (actualItem == expectedItem) {
continue scanExpecteds;
}
}
fail("Expected item " + expectedItem + " is not among the actual items");
}
}
}