package com.btr.proxy.selector.pac;

import static org.junit.Assert.assertEquals;

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Calendar;

import org.junit.Test;

import com.btr.proxy.TestUtil;

/*****************************************************************************
 * Tests for the global PAC script methods that are used as context inside of 
 * the scripts. 
 * @author Bernd Rosstauscher (proxyvole@rosstauscher.de) Copyright 2009
 ****************************************************************************/

public class PacScriptMethodsTest {
	
	/*************************************************************************
	 * Get a methods implementation with a calendar for date and time base tests
	 * set to a hardcoded data.
	 * Current date for all tests  is: 15. December 1994 12:00.00 
	 * its a Thursday 
	 ************************************************************************/
	
	private PacScriptMethods buildParser() {
		PacScriptMethods result = new PacScriptMethods();

		Calendar cal = Calendar.getInstance();
		cal.set(Calendar.YEAR, 1994);
		cal.set(Calendar.MONTH, Calendar.DECEMBER);
		cal.set(Calendar.DAY_OF_MONTH, 15);
		cal.set(Calendar.HOUR_OF_DAY, 12);
		cal.set(Calendar.MINUTE, 00);
		cal.set(Calendar.SECOND, 00);
		cal.set(Calendar.MILLISECOND, 00);
		result.setCurrentTime(cal);
		
		return result;
	}

	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testDnsDomainIs() {
		assertEquals(true, buildParser().dnsDomainIs("host1.unit-test.invalid", "unit-test.invalid"));
	}
	
	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testDnsDomainLevels() {
		assertEquals(2, buildParser().dnsDomainLevels(TestUtil.HTTP_TEST_URI.toString()));
	}
	
	/*************************************************************************
	 * Test method
	 * @throws UnknownHostException on resolve error.
	 ************************************************************************/
	@Test
	public void testDnsResolve() throws UnknownHostException {
		InetAddress adr = Inet4Address.getLocalHost();
		assertEquals(adr.getHostAddress(), buildParser().dnsResolve(adr.getHostName()));
	}
	
	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testIsInNet() {
		assertEquals(true, buildParser().isInNet("192.168.0.122", "192.168.0.0", "255.255.255.0"));
	}
	
	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testIsInNet2() {
		assertEquals(true, buildParser().isInNet("10.13.75.47", "10.13.72.0", "255.255.252.0"));
	}
	
	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testIsPlainHostName() {
		assertEquals(false, buildParser().isPlainHostName("host1.unit-test.invalid"));
		assertEquals(true, buildParser().isPlainHostName("host1"));
	}
	
	/*************************************************************************
	 * Test method
	 * @throws UnknownHostException on resolve error.
	 ************************************************************************/
	@Test
	public void testIsResolveable() throws UnknownHostException {
		InetAddress adr = Inet4Address.getLocalHost();
		assertEquals(true, buildParser().isResolvable(adr.getHostName()));
	}

	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testLocalHostOrDomainIs() {
		assertEquals(true, buildParser().localHostOrDomainIs("host1.unit-test.invalid", "host1.unit-test.invalid"));
	}

	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testShExpMatch() {
		assertEquals(true, buildParser().shExpMatch("host1.unit-test.invalid", "host1.unit-test.*"));
		assertEquals(true, buildParser().shExpMatch("host1.unit-test.invalid", "*.unit-test.invalid"));
	}	
	
	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testWeekdayRange() {
		assertEquals(true, buildParser().weekdayRange("MON", "SUN", "GMT"));
		assertEquals(true, buildParser().weekdayRange("SUN", "SAT", null));
		assertEquals(false, buildParser().weekdayRange("MON", "WED", null));
	}	

	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testDateRange() {
		assertEquals(true, buildParser().dateRange(15, "undefined", "undefined", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().dateRange(15, "DEC", "undefined", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().dateRange(15, "DEC", 1994, "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().dateRange(15, 17, "undefined", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().dateRange("OCT", "JAN", "undefined", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().dateRange(1994, 1994, "undefined", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().dateRange(1, "DEC", 1994, 1, "JAN", 1995, "GTM"));
		
		assertEquals(false, buildParser().dateRange(16, "DEC", 1994, 1, "JAN", 1995, "GTM"));
	}	

	/*************************************************************************
	 * Test method
	 ************************************************************************/
	@Test
	public void testTimeRange() {
		assertEquals(true, buildParser().timeRange(12, "undefined", "undefined", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().timeRange(11, 13, "undefined", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().timeRange(11, 13, "gmt", "undefined", "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().timeRange(11, 30, 13, 30, "undefined", "undefined", "undefined"));
		assertEquals(true, buildParser().timeRange(11, 30, 15, 13, 30, 15, "undefined"));
		assertEquals(true, buildParser().timeRange(11, 30, 15, 13, 30, 15, "GMT"));

		assertEquals(false, buildParser().timeRange(12, 50, 00, 9, 30, 00, "GMT"));
	}	
		
}