/**
* 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.waveprotocol.wave.model.document.util;
import junit.framework.TestCase;
import org.waveprotocol.wave.model.document.AnnotationMutationHandler;
import java.util.Iterator;
/**
* @author danilatos@google.com (Daniel Danilatos)
*/
public class AnnotationRegistryTest extends TestCase {
private static class Dummy implements AnnotationMutationHandler {
public <N, E extends N, T extends N> void handleAnnotationChange(
DocumentContext<N, E, T> bundle, int start, int end, String key, Object newValue) {
// no-op
}
}
private final Dummy a = new Dummy(), b = new Dummy(), c = new Dummy();
private final Dummy d = new Dummy(), e = new Dummy(), f = new Dummy();
private final AnnotationRegistryImpl registry =
new AnnotationRegistryImpl();
public void testValidatesPrefix() {
assertInvalidPrefix("/asdf");
assertInvalidPrefix("asdf/");
assertInvalidPrefix(Annotations.TRANSIENT + "asdf");
assertInvalidPrefix("");
// now make sure these don't throw exceptions
registry.registerHandler("a", a);
registry.registerHandler("asdf", a);
registry.registerHandler("asdf/def", a);
registry.registerHandler("asdf/asdf/wef", a);
registry.registerHandler("asdf/234/df83/d", a);
registry.registerHandler(Annotations.LOCAL + "a", a);
}
public void testMatchesOnPrefixReturnedInPreOrder() {
// random order, increases chance of catching bug
registry.registerHandler("a/b/c", c);
registry.registerHandler("a", a);
registry.registerHandler("a/b/c/d", d);
registry.registerHandler("a/b", b);
checkIterator(registry.getHandlers("a/b/c/d"), a, b, c, d);
}
public void testSimultaneousIteratorsWork() {
// random order, increases chance of catching bug
registry.registerHandler("a/b/c", c);
registry.registerHandler("a", a);
registry.registerHandler("a/b/c/d", d);
registry.registerHandler("a/b", b);
Iterator<AnnotationMutationHandler> it1 = registry.getHandlers("a/b/c/d");
Iterator<AnnotationMutationHandler> it2 = registry.getHandlers("a/b/c/d");
assertSame(a, it1.next());
assertSame(b, it1.next());
assertSame(a, it2.next());
assertSame(c, it1.next());
assertSame(b, it2.next());
assertSame(c, it2.next());
assertSame(d, it2.next());
assertFalse(it2.hasNext());
assertSame(d, it1.next());
assertFalse(it1.hasNext());
}
public void testMatchesOnlyOnPrefix() {
registry.registerHandler("a", a);
registry.registerHandler("a/b", b);
registry.registerHandler("a/b/c", c);
registry.registerHandler("a/b/d", d);
registry.registerHandler("a/bb/d", d);
registry.registerHandler("a/x/e", e);
registry.registerHandler("a/x/f", f);
registry.registerHandler("x/y/b", b);
checkIterator(registry.getHandlers("blah"));
checkIterator(registry.getHandlers("blah/bleh"));
checkIterator(registry.getHandlers("a"), a);
checkIterator(registry.getHandlers("aa"));
checkIterator(registry.getHandlers("a/b/c/x"), a, b, c);
checkIterator(registry.getHandlers("a/b"), a, b);
checkIterator(registry.getHandlers("a/b/d"), a, b, d);
checkIterator(registry.getHandlers("a/bb/d"), a, d);
checkIterator(registry.getHandlers("a/x/f/y"), a, f);
checkIterator(registry.getHandlers("x/y/bb"));
checkIterator(registry.getHandlers("x/y/b"), b);
}
public void testReRegisteringOverrides() {
registry.registerHandler("a", a);
registry.registerHandler("a/b", b);
registry.registerHandler("a/b/c", c);
AnnotationRegistryImpl child = registry.createExtension();
child.registerHandler("a/b/d", d);
checkIterator(child.getHandlers("a/b/c"), a, b, c);
checkIterator(child.getHandlers("a/b/d"), a, b, d);
child.registerHandler("a/b", e);
checkIterator(child.getHandlers("a/b/c"), a, e, c);
checkIterator(child.getHandlers("a/b/d"), a, e, d);
}
private void assertInvalidPrefix(String prefix) {
try {
registry.registerHandler(prefix, a);
fail("Did not throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// OK
}
}
private void checkIterator(Iterator<AnnotationMutationHandler> it, Dummy ... dummies) {
for (int i = 0; i < dummies.length; i++) {
assertSame("Fail on dummy " + i, dummies[i], it.next());
}
assertFalse(it.hasNext());
}
}