HttpCacheFilterTest.java

/**
 * Copyright (C) 2012-2014 Gist Labs, LLC. (http://gistlabs.com)
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package com.gistlabs.mechanize.cache;

import static org.junit.Assert.*;

import java.util.Date;
import java.util.concurrent.ConcurrentLinkedQueue;

import org.apache.http.Header;
import org.apache.http.HeaderElement;
import org.apache.http.impl.cookie.DateParseException;
import org.apache.http.impl.cookie.DateUtils;
import org.apache.http.message.BasicHeader;
import org.junit.Test;

public class HttpCacheFilterTest {

	@Test
	public void confirmHeaderElementParameterAssumptions() {
		Header header = new BasicHeader("Cache-Control", "max-age=3600,must-revalidate");
		assertEquals("Cache-Control", header.getName());
		HeaderElement[] elements = header.getElements();
		assertEquals(2, elements.length);

		assertEquals("max-age", elements[0].getName());
		assertEquals("3600", elements[0].getValue());
		assertEquals("must-revalidate", elements[1].getName());
		assertNull(elements[1].getValue());
	}

	@SuppressWarnings("deprecation")
	@Test
	public void confirmDateUtil() throws DateParseException {
		Date date = DateUtils.parseDate("Sun, 09 Aug 2009 01:56:14 GMT");
		assertEquals("9 Aug 2009 01:56:14 GMT", date.toGMTString());
	}

	@Test
	public void confirmConcurrentLinkedQueueOfferSemantics() {
		ConcurrentLinkedQueue<String> queue = new ConcurrentLinkedQueue<String>();

		assertTrue(queue.offer("a"));
		assertEquals(1, queue.size());

		assertTrue(queue.offer("b"));
		assertEquals(2, queue.size());
		assertEquals("a", queue.peek());

		assertTrue(queue.offer("a"));
		//assertEquals(2, queue.size());
		//assertEquals("b", queue.peek());
		assertEquals(3, queue.size());
		assertEquals("a", queue.peek());
	}
}