/*
* 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.wicket.queueing;
import org.apache.wicket.Component;
import org.apache.wicket.MarkupContainer;
import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
class HasPath extends TypeSafeMatcher<Component>
{
private final Path path;
public HasPath(Path path)
{
this.path = path;
}
public void describeTo(Description description)
{
description.appendText("path ").appendText(toString(path, 0, path.size()));
}
@Override
protected boolean matchesSafely(Component item)
{
Component cursor = item;
for (int i = 0; i < path.size(); i++)
{
if (!(cursor instanceof MarkupContainer))
{
return false;
}
String id = path.get(i).getId();
Component child = ((MarkupContainer)cursor).get(id);
if (child== null)
{
return false;
}
cursor=child;
if (!path.get(i).getType().isAssignableFrom(cursor.getClass()))
{
return false;
}
}
return true;
}
@Override
public void describeMismatchSafely(Component item, Description desc)
{
Component cursor = item;
int matched = 0;
String error = null;
for (int i = 0; i < path.size(); i++)
{
matched = i;
if (!(cursor instanceof MarkupContainer))
{
error = "next component has to be at least a MarkupContainer to contain children, but was: " +
toString(cursor);
break;
}
cursor = ((MarkupContainer)cursor).get(path.get(i).getId());
if (cursor == null)
{
error = "next child with id: '" + path.get(i).getId() + "' not found";
break;
}
if (!path.get(i).getType().isAssignableFrom(cursor.getClass()))
{
error = "expected next child of type: " + path.get(i).getType().getSimpleName() +
", but found: " + toString(cursor);
break;
}
}
desc.appendText("\n root: ").appendText(toString(item));
desc.appendText("\n matched segments: ").appendText(toString(path, 0, matched));
desc.appendText("\n error: ").appendText(error);
}
private static String toString(Component c)
{
return toString(c.getClass(), c.getId());
}
private static String toString(Class<?> type, String id)
{
return type.getSimpleName() + "('" + id + "')";
}
private static String toString(Path path, int start, int end)
{
String str = "[";
for (int i = start; i < end; i++)
{
if (i > 0)
{
str += ", ";
}
str += toString(path.get(i).getType(), path.get(i).getId());
}
str += "]";
return str;
}
@Factory
public static <T> Matcher<Component> hasPath(Path path)
{
return new HasPath(path);
}
}