utils/src/test/java/org/apache/cloudstack/utils/CloudStackVersionTest.java

//
// 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.cloudstack.utils;

import com.google.common.testing.EqualsTester;
import com.tngtech.java.junit.dataprovider.DataProvider;
import com.tngtech.java.junit.dataprovider.DataProviderRunner;
import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

@RunWith(DataProviderRunner.class)
public final class CloudStackVersionTest {

    @Test
    @DataProvider({ "1.2.3, 1.2.3", "1.2.3.4, 1.2.3.4", "1.2.3-12, 1.2.3", "1.2.3.4-14, 1.2.3.4" })
    public void testValidParse(final String inputValue, final String expectedVersion) {
        final CloudStackVersion version = CloudStackVersion.parse(inputValue);
        assertNotNull(version);
        assertEquals(expectedVersion, version.toString());
    }

    @Test(expected = IllegalArgumentException.class)
    @DataProvider({ "1.2", "1", "1.2.3.4.5", "aaaa", "", "  ", "1.2.3.4.5"})
    public void testInvalidParse(final String invalidValue) {
        CloudStackVersion.parse(invalidValue);
    }

    @Test
    @DataProvider({ "1.0.0", "1.0.0.0", "1.2.3", "1.2.3.4" })
    public void testEquals(final String value) {

        final CloudStackVersion version = CloudStackVersion.parse(value);
        assertNotNull(version);

        final CloudStackVersion thatVersion = CloudStackVersion.parse(value);
        assertNotNull(thatVersion);

        new EqualsTester()
                .addEqualityGroup(version, thatVersion)
                .testEquals();

    }

    @Test
    @DataProvider({
            "1.0.0.0, 1.0.0.0",
            "1.0.0, 1.0.0",
            "1.0.0.0, 1.0.0",
            "1.0.0-10, 1.0.0-10",
            "1.0.0-10, 1.0.0",
            "1.0.0.0, 1.0.0-10",
            "1.0.0.0, 1.0.0.0-10",
            "1.0.0-10, 1.0.0-11",
            "1.0.0-10, 1.0.0.0-14",
            "1.0.0.0-14, 1.0.0.0-15"
    })
    public void testEqualCompareTo(final String value, final String thatValue) {

        final CloudStackVersion version = CloudStackVersion.parse(value);
        assertNotNull(version);

        final CloudStackVersion thatVersion = CloudStackVersion.parse(thatValue);
        assertNotNull(thatVersion);

        assertEquals(0, version.compareTo(thatVersion));
        assertEquals(0, thatVersion.compareTo(version));

    }

    @Test
    @DataProvider({
            "1.2.3.4, 1.2.3",
            "1.2.3, 1.0.0.0",
            "1.2.3.4, 1.0.0",
            "2.0.0, 1.2.3",
            "2.0.0, 1.2.3.4",
            "2.0.0.0, 1.2.3",
            "2.0.0.0, 1.2.3.4",
            "2.0.0.0, 1.2.3",
            "1.3.0, 1.2.3.4",
            "1.3.0.0, 1.2.3.4",
            "1.3.0.0, 1.2.3",
            "1.2.3.4-10, 1.0.0.0-5",
            "1.2.3-10, 1.0.0-5",
            "1.2.3.4, 1.0.0.0-5",
            "1.2.3.4-10, 1.0.0"
    })
    public void testGreaterThanAndLessThanCompareTo(final String value, final String thatValue) {

        final CloudStackVersion version = CloudStackVersion.parse(value);
        assertNotNull(version);

        final CloudStackVersion thatVersion = CloudStackVersion.parse(thatValue);
        assertNotNull(thatVersion);

        assertEquals(1, version.compareTo(thatVersion));
        assertEquals(-1, thatVersion.compareTo(version));

    }

}