blob: 707c08ee963ff142d903da2efad28cb228cc56ea [file] [log] [blame]
/*******************************************************************************
* 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("<html>".getBytes());
}
String result = out.toString();
String expected = "<!-- pre 3 --><!-- pre 2 --><!-- pre 1 --><html>"
+ "<!-- post 1 --><!-- post 2 --><!-- post 3 -->";
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("<html>".getBytes());
}
String result = out.toString();
String expected = "<!-- pre 3 --><!-- pre 2 --><!-- pre 2 --><html>"
+ "<!-- post 2 --><!-- post 2 --><!-- post 3 -->";
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("<html>".getBytes());
}
String result = out.toString();
String expected = "<html>";
assertEquals(expected, result);
}
}