FilterTest.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2010-2011 The OpenNMS Group, Inc.
 * OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
 *
 * OpenNMS(R) is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * OpenNMS(R) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenNMS(R).  If not, see:
 *      http://www.gnu.org/licenses/
 *
 * For more information contact:
 *     OpenNMS(R) Licensing <license@opennms.org>
 *     http://www.opennms.org/
 *     http://www.opennms.com/
 *******************************************************************************/

package org.opennms.core.soa.filter;

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;

import java.util.HashMap;
import java.util.Map;

import org.junit.Test;
import org.opennms.core.soa.Filter;


/**
 * FilterTest
 *
 * @author brozow
 */
public class FilterTest {
    
    @Test
    public void testNullProperties() {
        Filter findA = new PresenceFilter("a");
        assertThat("a is not in null map", findA.match(null), is(false));
    }

    @Test
    public void testPresence() {
       Map<String, String> dict = new HashMap<String, String>();
       dict.put("a", "abc");
       dict.put("b", "def");
       
       Filter findA = new PresenceFilter("a");
       Filter findZ = new PresenceFilter("z");
       
       assertThat("a is in the map", findA.match(dict), is(true));
       assertThat("z is not in the map", findZ.match(dict), is(false));
       
        
    }

    @Test
    public void tetSimpleEquals() {
       Map<String, String> dict = new HashMap<String, String>();
       dict.put("a", "abc");
       dict.put("b", "def");
       
       Filter isABC = new EqFilter("a", "abc");
       Filter isDEF = new EqFilter("a", "def");
       Filter isNotFound = new EqFilter("z", "abc");

       
       assertThat("a has the value abc", isABC.match(dict), is(true));
       assertThat("a is not def", isDEF.match(dict), is(false));
       assertThat("z is not in the tmap", isNotFound.match(dict), is(false));
       
        
    }

    @Test
    public void testPatternMatch() {
       Map<String, String> dict = new HashMap<String, String>();
       dict.put("a", "abc");
       dict.put("b", "defghi");
       
       Filter p1 = new PatternMatchingFilter("a", "a*c");
       Filter p2 = new PatternMatchingFilter("a", "*c");
       Filter p3 = new PatternMatchingFilter("a", "a*");
       Filter p4 = new PatternMatchingFilter("a", "d*f");
       Filter p5 = new PatternMatchingFilter("z", "a*c");
       Filter p6 = new PatternMatchingFilter("b", "d*f*i");
       
       assertThat("Expected " + p1 + " to match a=" + dict.get("a"), p1.match(dict), is(true));
       assertThat("Expected " + p2 + " to match a=" + dict.get("a"), p2.match(dict), is(true));
       assertThat("Expected " + p3 + " to match a=" + dict.get("a"), p3.match(dict), is(true));
       assertThat("Expected " + p4 + " to NOT match a=" + dict.get("a"), p4.match(dict), is(false));
       assertThat("Expected " + p5 + " to NOT match z=" + dict.get("z"), p5.match(dict), is(false));
       assertThat("Expected " + p6 + " to match b=" + dict.get("b"), p6.match(dict), is(true));
       
    }
    

    @Test
    public void testLessThan() {
       Map<String, String> dict = new HashMap<String, String>();
       dict.put("a", "2");
       dict.put("b", "4");
       dict.put("c", "x");
       
       Filter f1 = new LessThanFilter("a", "3");
       Filter f2 = new LessThanFilter("b", "3");
       Filter f3 = new LessThanFilter("z", "3");
       Filter f4 = new LessThanFilter("c", "y");
       Filter f5 = new LessThanFilter("c", "b");

       assertThat("Expected " + f1 + " to match a=" + dict.get("a"), f1.match(dict), is(true));
       assertThat("Expected " + f2 + " to match b=" + dict.get("b"), f2.match(dict), is(false));
       assertThat("Expected " + f3 + " to match z=" + dict.get("z"), f3.match(dict), is(false));
       assertThat("Expected " + f4 + " to match c=" + dict.get("c"), f4.match(dict), is(true));
       assertThat("Expected " + f5 + " to match c=" + dict.get("c"), f5.match(dict), is(false));
        
    }

    @Test
    public void testGreaterThan() {
        Map<String, String> dict = new HashMap<String, String>();
        dict.put("a", "2");
        dict.put("b", "4");
        dict.put("c", "x");
       
       Filter f1 = new GreaterThanFilter("a", "3");
       Filter f2 = new GreaterThanFilter("b", "3");
       Filter f3 = new GreaterThanFilter("z", "3");
       Filter f4 = new GreaterThanFilter("c", "y");
       Filter f5 = new GreaterThanFilter("c", "b");
       
       assertThat("Expected " + f1 + " to match a=" + dict.get("a"), f1.match(dict), is(false));
       assertThat("Expected " + f2 + " to match b=" + dict.get("b"), f2.match(dict), is(true));
       assertThat("Expected " + f3 + " to match z=" + dict.get("z"), f3.match(dict), is(false));
       assertThat("Expected " + f4 + " to match c=" + dict.get("c"), f4.match(dict), is(false));
       assertThat("Expected " + f5 + " to match c=" + dict.get("c"), f5.match(dict), is(true));
        
    }
    
    @Test
    public void testAndFilter() {
        Map<String, String> dict = new HashMap<String, String>();
        dict.put("a", "2");
        dict.put("b", "4");
        dict.put("c", "x");

        Filter f1 = new EqFilter("a", "2");
        Filter f2 = new EqFilter("b", "4");
        Filter f3 = new EqFilter("c", "x");
        Filter f4 = new EqFilter("z", "nope");
        
        Filter a1 = new AndFilter(f1, f2, f3);
        Filter a2 = new AndFilter(f1, f3, f4);
        
        assertThat("Expected " + a1 + " to match", a1.match(dict), is(true));
        assertThat("Expected " + a2 + " to match", a2.match(dict), is(false));
        
        
    }

    @Test
    public void testOrFilter() {
        Map<String, String> dict = new HashMap<String, String>();
        dict.put("a", "2");
        dict.put("b", "4");
        dict.put("c", "x");

        Filter f1 = new EqFilter("a", "1");
        Filter f2 = new EqFilter("a", "2");
        Filter f3 = new EqFilter("a", "3");
        Filter f4 = new EqFilter("a", "4");
        
        Filter o1 = new OrFilter(f1, f2, f3);
        Filter o2 = new OrFilter(f1, f3, f4);
        
        assertThat("Expected " + o1 + " to match", o1.match(dict), is(true));
        assertThat("Expected " + o2 + " to match", o2.match(dict), is(false));
        
        
    }

    @Test
    public void testNotFilter() {
        Map<String, String> dict = new HashMap<String, String>();
        dict.put("a", "2");
        dict.put("b", "4");
        dict.put("c", "x");

        Filter f1 = new EqFilter("a", "1");
        Filter f2 = new EqFilter("a", "2");
        Filter f3 = new EqFilter("a", "3");
        Filter f4 = new EqFilter("a", "4");
        
        Filter n1 = new NotFilter(f1);
        Filter n2 = new NotFilter(f2);
        Filter n3 = new NotFilter(f3);
        Filter n4 = new NotFilter(f4);

        
        assertThat("Expected " + n1 + " to match", n1.match(dict), not(f1.match(dict)));
        assertThat("Expected " + n2 + " to match", n2.match(dict), not(f2.match(dict)));
        assertThat("Expected " + n3 + " to match", n3.match(dict), not(f3.match(dict)));
        assertThat("Expected " + n4 + " to match", n4.match(dict), not(f4.match(dict)));

    }


}