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   * 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.ambari.server.utils;
  
  import static org.apache.ambari.server.utils.VersionUtils.DEV_VERSION;
  
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  
  import junit.framework.Assert;
  
  public class TestVersionUtils {
  
    private static final String MODULE_ERR_MESSAGE = "Module version can't be empty or null";
    private static final String STACK_ERR_MESSAGE = "Stack version can't be empty or null";
    private static final String MPACK_ERR_MESSAGE = "Mpack version can't be empty or null";
  
    @Rule
    public ExpectedException expectedException = ExpectedException.none();
  
    @Test
    public void testStackVersions() {
      Assert.assertTrue(VersionUtils.areVersionsEqual("2.2.0.0", "2.2.0.0", false));
      Assert.assertTrue(VersionUtils.areVersionsEqual("2.2.0.0-111", "2.2.0.0-999", false));
  
      Assert.assertEquals(-1, VersionUtils.compareVersions("2.2.0.0", "2.2.0.1"));
      Assert.assertEquals(-1, VersionUtils.compareVersions("2.2.0.0", "2.2.0.10"));
      Assert.assertEquals(-1, VersionUtils.compareVersions("2.2.2.0.20", "2.2.2.145"));
  
      Assert.assertEquals(1, VersionUtils.compareVersions("2.2.0.1", "2.2.0.0"));
      Assert.assertEquals(1, VersionUtils.compareVersions("2.2.0.10", "2.2.0.0"));
      Assert.assertEquals(1, VersionUtils.compareVersions("2.2.2.145", "2.2.2.20"));
  
      Assert.assertEquals(-1, VersionUtils.compareVersions("2.2.0.0-200", "2.2.0.1-100"));
      Assert.assertEquals(-1, VersionUtils.compareVersions("2.2.0.0-101", "2.2.0.10-20"));
      Assert.assertEquals(-1, VersionUtils.compareVersions("2.2.2.0.20-996", "2.2.2.145-846"));
      Assert.assertEquals(0, VersionUtils.compareVersions("2.2", "2.2.VER"));
      Assert.assertEquals(0, VersionUtils.compareVersions("2.2.VAR", "2.2.VER"));
      Assert.assertEquals(0, VersionUtils.compareVersions("2.2.3", "2.2.3.VER1.V"));
  
      Assert.assertEquals(0, VersionUtils.compareVersions("2.2.0.1-200", "2.2.0.1-100"));
      Assert.assertEquals(1, VersionUtils.compareVersionsWithBuild("2.2.0.1-200", "2.2.0.1-100", 4));
    }
  
    @Test
    public void testVersionCompareSuccess() {
      Assert.assertTrue(VersionUtils.areVersionsEqual("1.2.3", "1.2.3", false));
      Assert.assertTrue(VersionUtils.areVersionsEqual("1.2.3", "1.2.3", true));
      Assert.assertTrue(VersionUtils.areVersionsEqual("", "", true));
      Assert.assertTrue(VersionUtils.areVersionsEqual(null, null, true));
      Assert.assertTrue(VersionUtils.areVersionsEqual(DEV_VERSION, "1.2.3", false));
      Assert.assertTrue(VersionUtils.areVersionsEqual(DEV_VERSION, "", true));
      Assert.assertTrue(VersionUtils.areVersionsEqual(DEV_VERSION, null, true));
  
      Assert.assertFalse(VersionUtils.areVersionsEqual("1.2.3.1", "1.2.3", false));
      Assert.assertFalse(VersionUtils.areVersionsEqual("2.1.3", "1.2.3", false));
      Assert.assertFalse(VersionUtils.areVersionsEqual("1.2.3.1", "1.2.3", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual("2.1.3", "1.2.3", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual("", "1.2.3", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual("", null, true));
      Assert.assertFalse(VersionUtils.areVersionsEqual(null, "", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual(null, "1.2.3", true));
  
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3", "1.2.4"));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.4", "1.2.3"));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3", "1.2.3"));
  
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3", "1.2.4", 3));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.4", "1.2.3", 3));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3", "1.2.3", 3));
  
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3.9", "1.2.4.6", 3));
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3", "1.2.4.6", 3));
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2", "1.2.4.6", 3));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.4.8", "1.2.3.6.7", 3));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3", "1.2.3.4", 3));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3.6.7", "1.2.3.4", 3));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.3.6.7", "1.2.3.4", 4));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3", "1.2.3.0", 4));
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3", "1.2.3.1", 4));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.3.6.7\n", "1.2.3.4\n", 4)); //test version trimming
  
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.3.1", "1.2.3", true));
      Assert.assertEquals(1, VersionUtils.compareVersions("2.1.3", "1.2.3", true));
      Assert.assertEquals(-1, VersionUtils.compareVersions("", "1.2.3", true));
      Assert.assertEquals(1, VersionUtils.compareVersions("", null, true));
      Assert.assertEquals(-1, VersionUtils.compareVersions(null, "", true));
      Assert.assertEquals(-1, VersionUtils.compareVersions(null, "1.2.3", true));
    }
  
    @Test
    public void testVersionCompareSuccessCustomVersion() {
      Assert.assertTrue(VersionUtils.areVersionsEqual("1.2.3_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", false));
      Assert.assertTrue(VersionUtils.areVersionsEqual("1.2.3_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", true));
      Assert.assertTrue(VersionUtils.areVersionsEqual("", "", true));
      Assert.assertTrue(VersionUtils.areVersionsEqual(null, null, true));
      Assert.assertTrue(VersionUtils.areVersionsEqual(DEV_VERSION, "1.2.3_MYAMBARI_000000", false));
      Assert.assertTrue(VersionUtils.areVersionsEqual(DEV_VERSION, "", true));
      Assert.assertTrue(VersionUtils.areVersionsEqual(DEV_VERSION, null, true));
  
      Assert.assertFalse(VersionUtils.areVersionsEqual("1.2.3.1_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", false));
      Assert.assertFalse(VersionUtils.areVersionsEqual("2.1.3_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", false));
      Assert.assertFalse(VersionUtils.areVersionsEqual("1.2.3.1_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual("2.1.3_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual("", "1.2.3_MYAMBARI_000000", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual("", null, true));
      Assert.assertFalse(VersionUtils.areVersionsEqual(null, "", true));
      Assert.assertFalse(VersionUtils.areVersionsEqual(null, "1.2.3_MYAMBARI_000000", true));
  
      //Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.4_MYAMBARI_000000"));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.4_MYAMBARI_000000", "1.2.3_MYAMBARI_000000"));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.3_MYAMBARI_000000"));
      Assert.assertEquals(0, VersionUtils.compareVersions("2.99.99.0", "2.99.99"));
  
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.4_MYAMBARI_000000", 3));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.4_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", 3));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", 3));
  
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3.9_MYAMBARI_000000", "1.2.4.6_MYAMBARI_000000", 3));
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.4.6_MYAMBARI_000000", 3));
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2_MYAMBARI_000000", "1.2.4.6_MYAMBARI_000000", 3));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.4.8_MYAMBARI_000000", "1.2.3.6.7_MYAMBARI_000000", 3));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.3.4_MYAMBARI_000000", 3));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3.6.7_MYAMBARI_000000", "1.2.3.4_MYAMBARI_000000", 3));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.3.6.7_MYAMBARI_000000", "1.2.3.4_MYAMBARI_000000", 4));
      Assert.assertEquals(0, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.3.0_MYAMBARI_000000", 4));
      Assert.assertEquals(-1, VersionUtils.compareVersions("1.2.3_MYAMBARI_000000", "1.2.3.1_MYAMBARI_000000", 4));
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.3.6.7_MYAMBARI_000000\n", "1.2.3.4_MYAMBARI_000000\n", 4)); //test version trimming
  
      Assert.assertEquals(1, VersionUtils.compareVersions("1.2.3.1_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", true));
      Assert.assertEquals(1, VersionUtils.compareVersions("2.1.3_MYAMBARI_000000", "1.2.3_MYAMBARI_000000", true));
      Assert.assertEquals(-1, VersionUtils.compareVersions("", "1.2.3_MYAMBARI_000000", true));
      Assert.assertEquals(1, VersionUtils.compareVersions("", null, true));
      Assert.assertEquals(-1, VersionUtils.compareVersions(null, "", true));
      Assert.assertEquals(-1, VersionUtils.compareVersions(null, "1.2.3_MYAMBARI_000000", true));
    }
  
    @Test
    public void testVersionCompareError() {
      expectedException.expect(IllegalArgumentException.class);
      expectedException.expectMessage("version2 cannot be empty");
      VersionUtils.areVersionsEqual("1.2.3", "", false);
  
      expectedException.expect(IllegalArgumentException.class);
      expectedException.expectMessage("version1 cannot be null");
      VersionUtils.areVersionsEqual(null, "", false);
  
      expectedException.expect(IllegalArgumentException.class);
      expectedException.expectMessage("version2 cannot be null");
      VersionUtils.areVersionsEqual("", null, false);
  
      expectedException.expect(IllegalArgumentException.class);
      expectedException.expectMessage("version1 cannot be empty");
      VersionUtils.compareVersions("", "1", 2);
  
      expectedException.expect(IllegalArgumentException.class);
      expectedException.expectMessage("maxLengthToCompare cannot be less than 0");
      VersionUtils.compareVersions("2", "1", -1);
    }
  
    @Test
    public void testMpackVersionWithNotValidVersions() {
      String errMessage = null;
      try {
        MpackVersion.parse(null);
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals(MPACK_ERR_MESSAGE, errMessage);
  
  
      try {
        errMessage = null;
        MpackVersion.parse("");
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals(MPACK_ERR_MESSAGE, errMessage);
  
      try {
        errMessage = null;
        MpackVersion.parse("1.2.3.4-b10");
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals("Wrong format for mpack version, should be N.N.N-bN or N.N.N-hN-bN", errMessage);
    }
  
  
    @Test
    public void testStackVersionWithNotValidVersions() {
      String errMessage = null;
      try {
        errMessage = null;
        MpackVersion.parseStackVersion(null);
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals(STACK_ERR_MESSAGE, errMessage);
  
  
      try {
        errMessage = null;
        MpackVersion.parseStackVersion("");
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals(STACK_ERR_MESSAGE, errMessage);
  
      try {
        errMessage = null;
        MpackVersion.parseStackVersion("1.2.3-10");
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals("Wrong format for stack version, should be N.N.N.N-N or N.N.N-hN-bN", errMessage);
    }
  
  
    @Test
    public void testModuleVersionWithNotValidVersions() {
      String errMessage = null;
      try {
        errMessage = null;
        ModuleVersion.parse(null);
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals(MODULE_ERR_MESSAGE, errMessage);
  
  
      try {
        errMessage = null;
        ModuleVersion.parse("");
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals(MODULE_ERR_MESSAGE, errMessage);
  
  
      try {
        errMessage = null;
        ModuleVersion.parse("1.2.3-10");
      } catch (IllegalArgumentException e) {
        errMessage = e.getMessage();
      }
      Assert.assertEquals("Wrong format for module version, should be N.N.N.N-bN or N.N.N-hN-bN", errMessage);
    }
  
    @Test
    public void testMpackVersionWithValidVersions() {
      Assert.assertEquals(1, MpackVersion.parse("1.2.3-h10-b10").compareTo(MpackVersion.parse("1.2.3-b888")));
      Assert.assertEquals(1, MpackVersion.parse("2.2.3-h0-b10").compareTo(MpackVersion.parse("1.2.3-b888")));
      Assert.assertEquals(1, MpackVersion.parse("1.3.3-h0-b10").compareTo(MpackVersion.parse("1.2.3-b888")));
      Assert.assertEquals(1, MpackVersion.parse("1.2.4-h0-b10").compareTo(MpackVersion.parse("1.2.3-b888")));
      Assert.assertEquals(1, MpackVersion.parse("1.2.3-h0-b1000").compareTo(MpackVersion.parse("1.2.3-b888")));
      Assert.assertEquals(0, MpackVersion.parse("1.2.3-h0-b10").compareTo(MpackVersion.parse("1.2.3-b10")));
      Assert.assertEquals(0, MpackVersion.parse("1.2.3-b10").compareTo(MpackVersion.parse("1.2.3-b10")));
      Assert.assertEquals(0, MpackVersion.parse("1.2.3-h0-b10").compareTo(MpackVersion.parse("1.2.3-h0-b10")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h0-b10").compareTo(MpackVersion.parse("1.2.4-b10")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h0-b10").compareTo(MpackVersion.parse("1.3.3-b10")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h0-b10").compareTo(MpackVersion.parse("2.2.3-b10")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h0-b10").compareTo(MpackVersion.parse("1.2.3-h1-b10")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h0-b10").compareTo(MpackVersion.parse("1.2.3-h0-b11")));
  
      Assert.assertEquals(0, MpackVersion.parse("1", false).compareTo(MpackVersion.parse("1.0.0-h0-b0")));
      Assert.assertEquals(0, MpackVersion.parse("1.0", false).compareTo(MpackVersion.parse("1.0.0-h0-b0")));
      Assert.assertEquals(0, MpackVersion.parse("1.0.0", false).compareTo(MpackVersion.parse("1.0.0-h0-b0")));
      Assert.assertEquals(0, MpackVersion.parse("1.0.0-b0", false).compareTo(MpackVersion.parse("1.0.0-h0-b0")));
      Assert.assertEquals(0, MpackVersion.parse("1.0.0-h0-b0", false).compareTo(MpackVersion.parse("1.0.0-h0-b0")));
  
      Assert.assertEquals(-1, MpackVersion.parse("1", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
      Assert.assertEquals(-1, MpackVersion.parse("1.0", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
      Assert.assertEquals(-1, MpackVersion.parse("1.0.0", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
      Assert.assertEquals(-1, MpackVersion.parse("1.0.0-b0", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
      Assert.assertEquals(-1, MpackVersion.parse("1.0.0-h0-b0", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
  
      Assert.assertEquals(1, MpackVersion.parse("2", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
      Assert.assertEquals(1, MpackVersion.parse("1.1", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
      Assert.assertEquals(1, MpackVersion.parse("1.0.1", false).compareTo(MpackVersion.parse("1.0.0-h0-b111")));
    }
  
    @Test
    public void testStackVersionWithValidVersions() {
      Assert.assertEquals(1, MpackVersion.parse("1.2.3-h10-b10").compareTo(MpackVersion.parseStackVersion("1.2.3.4-888")));
      Assert.assertEquals(1, MpackVersion.parse("1.2.4-h1-b1").compareTo(MpackVersion.parseStackVersion("1.2.3.4-888")));
      Assert.assertEquals(1, MpackVersion.parse("1.3.3-h1-b1").compareTo(MpackVersion.parseStackVersion("1.2.3.4-888")));
      Assert.assertEquals(1, MpackVersion.parse("2.2.3-h1-b1").compareTo(MpackVersion.parseStackVersion("1.2.3.4-888")));
  
      Assert.assertEquals(0, MpackVersion.parse("1.2.3-h4-b888").compareTo(MpackVersion.parseStackVersion("1.2.3.4-888")));
  
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h10-b10").compareTo(MpackVersion.parseStackVersion("1.2.3.11-888")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h10-b10").compareTo(MpackVersion.parseStackVersion("1.2.4.1-1")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h10-b10").compareTo(MpackVersion.parseStackVersion("1.3.3.1-1")));
      Assert.assertEquals(-1, MpackVersion.parse("1.2.3-h10-b10").compareTo(MpackVersion.parseStackVersion("2.2.3.1-1")));
  
      Assert.assertEquals(1, MpackVersion.parseStackVersion("1.2.3.4-999").compareTo(MpackVersion.parseStackVersion("1.2.3.4-888")));
      Assert.assertEquals(0, MpackVersion.parseStackVersion("1.2.3.4-999").compareTo(MpackVersion.parseStackVersion("1.2.3.4-999")));
      Assert.assertEquals(-1, MpackVersion.parseStackVersion("1.2.3.1-999").compareTo(MpackVersion.parseStackVersion("1.2.3.4-888")));
    }
  
    @Test
    public void testModuleVersionWithValidVersions() {
      Assert.assertEquals(1, ModuleVersion.parse("1.2.3.4-h10-b888").compareTo(ModuleVersion.parse("1.2.3.4-b888")));
      Assert.assertEquals(1, ModuleVersion.parse("1.2.3.5-h0-b10").compareTo(ModuleVersion.parse("1.2.3.4-b10")));
      Assert.assertEquals(1, ModuleVersion.parse("1.2.4.4-h0-b10").compareTo(ModuleVersion.parse("1.2.3.4-b10")));
      Assert.assertEquals(1, ModuleVersion.parse("1.3.3.4-h0-b10").compareTo(ModuleVersion.parse("1.2.3.4-b10")));
      Assert.assertEquals(1, ModuleVersion.parse("2.2.3.4-h0-b10").compareTo(ModuleVersion.parse("1.2.3.4-b10")));
      Assert.assertEquals(1, ModuleVersion.parse("1.2.3.4-h0-b11").compareTo(ModuleVersion.parse("1.2.3.4-b10")));
  
      Assert.assertEquals(0, ModuleVersion.parse("1.2.3.4-h0-b10").compareTo(ModuleVersion.parse("1.2.3.4-b10")));
      Assert.assertEquals(0, ModuleVersion.parse("1.2.3.4-h0-b10").compareTo(ModuleVersion.parse("1.2.3.4-h0-b10")));
      Assert.assertEquals(0, ModuleVersion.parse("1.2.3.4-b10").compareTo(ModuleVersion.parse("1.2.3.4-b10")));
      Assert.assertEquals(0, ModuleVersion.parse("1.2.3.4-b10").compareTo(ModuleVersion.parse("1.2.3.4-h0-b10")));
  
      Assert.assertEquals(-1, ModuleVersion.parse("1.2.3.4-h0-b10").compareTo(ModuleVersion.parse("1.2.3.4-b888")));
      Assert.assertEquals(-1, ModuleVersion.parse("1.2.3.4-h0-b10").compareTo(ModuleVersion.parse("1.2.3.5-b10")));
      Assert.assertEquals(-1, ModuleVersion.parse("1.2.3.4-h0-b10").compareTo(ModuleVersion.parse("1.2.4.4-b10")));
      Assert.assertEquals(-1, ModuleVersion.parse("1.2.3.4-h0-b10").compareTo(ModuleVersion.parse("1.3.3.4-b10")));
      Assert.assertEquals(-1, ModuleVersion.parse("1.2.3.4-h0-b10").compareTo(ModuleVersion.parse("2.2.3.4-b10")));
    }
  }
  