/**
* Copyright 2009 Google Inc.
*
* 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 org.waveprotocol.wave.model.adt.docbased;
import static junit.framework.Assert.assertEquals;
import org.waveprotocol.wave.model.document.Doc;
import org.waveprotocol.wave.model.document.ObservableMutableDocument;
import org.waveprotocol.wave.model.document.Doc.E;
import org.waveprotocol.wave.model.document.util.DocumentEventRouter;
import org.waveprotocol.wave.model.util.CollectionUtils;
import java.util.Map;
/**
* Utilities for testing document-based value types.
*
* @author anorth@google.com (Alex North)
*/
final class TestUtil {
private TestUtil() {}
/**
* A context in which a value is used. Specifically, a document
* and an element within that document in which value state is embedded.
*/
static final class ValueContext<N, E extends N> {
public final ObservableMutableDocument<N, E, ?> doc;
public final E container;
ValueContext(ObservableMutableDocument<N, E, ?> doc, E container) {
this.doc = doc;
this.container = container;
}
/**
* Deletes the container element.
*/
void delete() {
doc.deleteNode(container);
}
}
/**
* Creates a {@link Factory} for integers backed by string representations as
* an attribute value.
*
* @param attributeName name of the backing attribute
*/
static Factory<Doc.E, Integer, String> newIntegerFactory(final String attributeName) {
return new Factory<E, Integer, String>() {
@Override
public Integer adapt(DocumentEventRouter<? super E, E, ?> router, E element) {
String valueStr = router.getDocument().getAttribute(element, attributeName);
return Integer.parseInt(valueStr);
}
@Override
public Initializer createInitializer(final String initialState) {
return new Initializer() {
@Override
public void initialize(Map<String, String> target) {
target.put(attributeName, initialState);
}
};
}};
}
/**
* Asserts that an {@link Initializer} produces expected values.
*/
static void assertInitializerValues(Map<String, String> expected, Initializer init) {
Map<String, String> attrs = CollectionUtils.newHashMap();
init.initialize(attrs);
assertEquals(expected, attrs);
}
}