MatchTest.java

/*
 * Copyright 2016-present Open Networking Laboratory
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.onlab.util;

import static junit.framework.TestCase.assertEquals;
import static junit.framework.TestCase.assertFalse;
import static junit.framework.TestCase.assertTrue;

import org.junit.Test;

import com.google.common.base.Objects;

/**
 * Unit tests for Match.
 */
public class MatchTest {

    @Test
    public void testMatches() {
        Match<String> m1 = Match.any();
        assertTrue(m1.matches(null));
        assertTrue(m1.matches("foo"));
        assertTrue(m1.matches("bar"));

        Match<String> m2 = Match.ifNull();
        assertTrue(m2.matches(null));
        assertFalse(m2.matches("foo"));

        Match<String> m3 = Match.ifValue("foo");
        assertFalse(m3.matches(null));
        assertFalse(m3.matches("bar"));
        assertTrue(m3.matches("foo"));
    }

    @Test
    public void testEquals() {
        Match<String> m1 = Match.any();
        Match<String> m2 = Match.any();
        Match<String> m3 = Match.ifNull();
        Match<String> m4 = Match.ifValue("bar");
        assertEquals(m1, m2);
        assertFalse(Objects.equal(m1, m3));
        assertFalse(Objects.equal(m3, m4));
    }

    @Test
    public void testMap() {
        Match<String> m1 = Match.ifNull();
        assertEquals(m1.map(s -> "bar"), Match.ifNull());
        Match<String> m2 = Match.ifValue("foo");
        Match<String> m3 = m2.map(s -> "bar");
        assertTrue(m3.matches("bar"));
    }
}