FilterPipeTest.java

/*
 * This file is part of "SnipSnap Radeox Rendering Engine".
 *
 * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
 * All Rights Reserved.
 *
 * Please visit http://radeox.org/ for updates and contact.
 *
 * --LICENSE NOTICE--
 * 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.
 * --LICENSE NOTICE--
 */
package org.radeox.test.filter;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.radeox.api.engine.context.InitialRenderContext;
import org.radeox.filter.Filter;
import org.radeox.filter.FilterPipe;
import org.radeox.filter.context.FilterContext;
import org.radeox.test.filter.mock.MockReplacedFilter;
import org.radeox.test.filter.mock.MockReplacesFilter;

public class FilterPipeTest extends TestCase
{
	public FilterPipeTest(String name)
	{
		super(name);
	}

	protected void setUp() throws Exception
	{
		super.setUp();
	}

	public static Test suite()
	{
		return new TestSuite(FilterPipeTest.class);
	}

	public void testBefore()
	{
		FilterPipe fp = new FilterPipe();

		Filter f1 = new Filter()
		{
			public String[] before()
			{
				return FilterPipe.EMPTY_BEFORE;
			}

			public void setInitialContext(InitialRenderContext context)
			{
			}

			public String[] replaces()
			{
				return new String[0]; // To change body of implemented methods
				// use Options | File Templates.
			}

			public String filter(String input, FilterContext context)
			{
				return null;
			}

			public String getDescription()
			{
				return "";
			}
		};
		// f2 should be inserted before f1
		Filter f2 = new Filter()
		{
			public String[] before()
			{
				return FilterPipe.FIRST_BEFORE;
			}

			public String[] replaces()
			{
				return new String[0]; // To change body of implemented methods
				// use Options | File Templates.
			}

			public void setInitialContext(InitialRenderContext context)
			{
			}

			public String filter(String input, FilterContext context)
			{
				return null;
			}

			public String getDescription()
			{
				return "";
			}
		};
		fp.addFilter(f1);
		fp.addFilter(f2);
		assertEquals("'FIRST_BEFORE Filter is first in FilterPipe", fp
				.getFilter(0), f2);
	}

	public void testReplace()
	{
		FilterPipe fp = new FilterPipe();

		Filter f1 = new MockReplacedFilter();
		Filter f2 = new MockReplacesFilter();

		fp.addFilter(f1);
		fp.addFilter(f2);

		fp.init();

		assertTrue("MockReplacedFilter is removed from FilterPipe", -1 == fp
				.index("org.radeox.test.filter.mock.MockReplacedFilter"));
		assertTrue(
				"MockReplacesFilter is not removed from FilterPipe",
				-1 != fp
						.index("org.radeox.test.filter.mock.MockReplacesFilter"));
	}
}