/******************************************************************************* * Copyright (c) 2008, 2016 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.ua.tests.help.webapp; import static org.junit.Assert.assertEquals; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.OutputStream; import org.eclipse.help.internal.webapp.servlet.ExtraFilters; import org.eclipse.help.internal.webapp.servlet.PrioritizedFilter; import org.junit.After; import org.junit.Test; /** * Tests for the code which supports the extension point org.eclipse.help.webapp.extraFilter */ public class FilterExtensionTest { @After public void tearDown() throws Exception { ExtraFilters.setFilters(new PrioritizedFilter[0]); } @Test public void testFilterExtensions() throws IOException { PrioritizedFilter[] filters = new PrioritizedFilter[] { new PrioritizedFilter(new CommentFilterTwo(), 2), new PrioritizedFilter(new CommentFilterThree(), 3), new PrioritizedFilter(new CommentFilterOne(), 1) }; ExtraFilters.setFilters(filters); OutputStream out = new ByteArrayOutputStream(1000); MockServletRequest req = new MockServletRequest(); try (OutputStream filteredOutput = new ExtraFilters().filter(req, out)) { filteredOutput.write("".getBytes()); } String result = out.toString(); String expected = "" + ""; assertEquals(expected, result); } @Test public void testRepeatedExtensions() throws IOException { PrioritizedFilter[] filters = new PrioritizedFilter[] { new PrioritizedFilter(new CommentFilterTwo(), 2), new PrioritizedFilter(new CommentFilterThree(), 3), new PrioritizedFilter(new CommentFilterTwo(), 1) }; ExtraFilters.setFilters(filters); OutputStream out = new ByteArrayOutputStream(1000); MockServletRequest req = new MockServletRequest(); try (OutputStream filteredOutput = new ExtraFilters().filter(req, out)) { filteredOutput.write("".getBytes()); } String result = out.toString(); String expected = "" + ""; assertEquals(expected, result); } @Test public void testNoFilters() throws IOException { PrioritizedFilter[] filters = new PrioritizedFilter[0]; ExtraFilters.setFilters(filters); OutputStream out = new ByteArrayOutputStream(1000); MockServletRequest req = new MockServletRequest(); try (OutputStream filteredOutput = new ExtraFilters().filter(req, out)) { filteredOutput.write("".getBytes()); } String result = out.toString(); String expected = ""; assertEquals(expected, result); } }