/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.atlas.notification;

import org.testng.annotations.Test;

import java.util.Arrays;

import static org.testng.Assert.*;

/**
 * MessageVersion tests.
 */
public class MessageVersionTest {

    @Test
    public void testConstructor() throws Exception {
        new MessageVersion("1.0.0");

        try {
            new MessageVersion("foo");
            fail("Expected IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            // expected
        }

        try {
            new MessageVersion("A.0.0");
            fail("Expected IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            // expected
        }

        try {
            new MessageVersion("1.0.0a");
            fail("Expected IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            // expected
        }
    }

    @Test
    public void testCompareTo() throws Exception {
        MessageVersion version1 = new MessageVersion("1.0.0");
        MessageVersion version2 = new MessageVersion("1.0.0");
        MessageVersion version3 = new MessageVersion("2.0.0");
        MessageVersion version4 = new MessageVersion("1");
        MessageVersion version5 = new MessageVersion("1.5");
        MessageVersion version6 = new MessageVersion("1.0.5");

        assertTrue(version1.compareTo(version2) == 0);
        assertTrue(version2.compareTo(version1) == 0);
        assertTrue(version1.compareTo(version3) < 0);
        assertTrue(version3.compareTo(version1) > 0);
        assertTrue(version1.compareTo(version4) == 0);
        assertTrue(version4.compareTo(version1) == 0);
        assertTrue(version1.compareTo(version5) < 0);
        assertTrue(version5.compareTo(version1) > 0);
        assertTrue(version1.compareTo(version6) < 0);
        assertTrue(version6.compareTo(version1) > 0);
    }

    @Test
    public void testEquals() throws Exception {
        MessageVersion version1 = new MessageVersion("1.0.0");
        MessageVersion version2 = new MessageVersion("1.0.0");
        MessageVersion version3 = new MessageVersion("2.0.0");
        MessageVersion version4 = new MessageVersion("1");
        MessageVersion version5 = new MessageVersion("1.5");
        MessageVersion version6 = new MessageVersion("1.0.5");

        assertTrue(version1.equals(version2));
        assertTrue(version2.equals(version1));
        assertFalse(version1.equals(version3));
        assertFalse(version3.equals(version1));
        assertTrue(version1.equals(version4));
        assertTrue(version4.equals(version1));
        assertFalse(version1.equals(version5));
        assertFalse(version5.equals(version1));
        assertFalse(version1.equals(version6));
        assertFalse(version6.equals(version1));
    }

    @Test
    public void testHashCode() throws Exception {
        MessageVersion version1 = new MessageVersion("1.0.0");
        MessageVersion version2 = new MessageVersion("1.0.0");
        MessageVersion version3 = new MessageVersion("1");

        assertEquals(version1.hashCode(), version2.hashCode());
        assertEquals(version1.hashCode(), version3.hashCode());
    }

    @Test
    public void testGetVersionParts() throws Exception {

        MessageVersion version = new MessageVersion("1.0.0");
        assertTrue(Arrays.equals(new Integer[]{1}, version.getVersionParts()));

        version = new MessageVersion("1.0");
        assertTrue(Arrays.equals(new Integer[]{1}, version.getVersionParts()));

        version = new MessageVersion("1");
        assertTrue(Arrays.equals(new Integer[]{1}, version.getVersionParts()));

        version = new MessageVersion("1.0.2");
        assertTrue(Arrays.equals(new Integer[]{1, 0, 2}, version.getVersionParts()));
    }
}