/*
    * This file is part of dependency-check-core.
    *
    * 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.
   *
   * Copyright (c) 2012 Jeremy Long. All Rights Reserved.
   */
  package org.owasp.dependencycheck.utils;
  
  import java.util.Arrays;
  import java.util.Iterator;
  import java.util.List;
  import static org.junit.Assert.assertArrayEquals;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  import org.junit.Test;
  import org.owasp.dependencycheck.BaseTest;
  
  /**
   *
   * @author Jeremy Long
   */
  public class DependencyVersionTest extends BaseTest {
  
      /**
       * Test of parseVersion method, of class DependencyVersion.
       */
      @Test
      public void testParseVersion() {
          String version = "1.2r1";
          DependencyVersion instance = new DependencyVersion();
          instance.parseVersion(version);
          List<String> parts = instance.getVersionParts();
          assertEquals(3, parts.size());
          assertEquals("1", parts.get(0));
          assertEquals("2", parts.get(1));
          assertEquals("r1", parts.get(2));
  
          instance.parseVersion("x6.0");
          parts = instance.getVersionParts();
          assertEquals(2, parts.size());
          assertEquals("x6", parts.get(0));
          assertEquals("0", parts.get(1));
          // TODO(code review): should this be here/do something?
          //assertEquals("0", parts.get(2));
  
      }
  
      /**
       * Test of iterator method, of class DependencyVersion.
       */
      @Test
      public void testIterator() {
          DependencyVersion instance = new DependencyVersion("1.2.3");
          Iterator<String> result = instance.iterator();
          assertTrue(result.hasNext());
          int count = 1;
          while (result.hasNext()) {
              String v = result.next();
              assertTrue(String.valueOf(count++).equals(v));
          }
      }
  
      /**
       * Test of toString method, of class DependencyVersion.
       */
      @Test
      public void testToString() {
          DependencyVersion instance = new DependencyVersion("1.2.3r1");
          String expResult = "1.2.3.r1";
          String result = instance.toString();
          assertEquals(expResult, result);
      }
  
      /**
       * Test of equals method, of class DependencyVersion.
       */
      @Test
      public void testEquals() {
          DependencyVersion obj = new DependencyVersion("1.2.3.r1");
          DependencyVersion instance = new DependencyVersion("1.2.3");
          boolean expResult = false;
          boolean result = instance.equals(obj);
          assertEquals(expResult, result);
          obj = new DependencyVersion("1.2.3");
          expResult = true;
          result = instance.equals(obj);
          assertEquals(expResult, result);
          
         instance = new DependencyVersion("2.0.0");
         obj = new DependencyVersion("2");
         expResult = false;
         result = instance.equals(obj);
         assertEquals(expResult, result);
         
         obj = new DependencyVersion("2.0");
         expResult = true;
         result = instance.equals(obj);
         assertEquals(expResult, result);
         
         
     }
 
     /**
      * Test of hashCode method, of class DependencyVersion.
      */
     @Test
     public void testHashCode() {
         DependencyVersion instance = new DependencyVersion("3.2.1");
         int expResult = 80756;
         int result = instance.hashCode();
         assertEquals(expResult, result);
     }
 
     /**
      * Test of matchesAtLeastThreeLevels method, of class DependencyVersion.
      */
     @Test
     public void testMatchesAtLeastThreeLevels() {
 
         DependencyVersion instance = new DependencyVersion("2.3.16.3");
         DependencyVersion version = new DependencyVersion("2.3.16.4");
         //true tests
         assertEquals(true, instance.matchesAtLeastThreeLevels(version));
         version = new DependencyVersion("2.3");
         assertEquals(true, instance.matchesAtLeastThreeLevels(version));
         //false tests
         version = new DependencyVersion("2.3.16.1");
         assertEquals(false, instance.matchesAtLeastThreeLevels(version));
         version = new DependencyVersion("2");
         assertEquals(false, instance.matchesAtLeastThreeLevels(version));
     }
 
     /**
      * Test of compareTo method, of class DependencyVersion.
      */
     @Test
     public void testCompareTo() {
         DependencyVersion instance = new DependencyVersion("1.2.3");
         DependencyVersion version = new DependencyVersion("1.2.3");
         assertEquals(0, instance.compareTo(version));
         version = new DependencyVersion("1.1");
         assertEquals(1, instance.compareTo(version));
         version = new DependencyVersion("1.2");
         assertEquals(1, instance.compareTo(version));
         version = new DependencyVersion("1.3");
         assertEquals(-1, instance.compareTo(version));
         version = new DependencyVersion("1.2.3.1");
         assertEquals(-1, instance.compareTo(version));
 
         instance = new DependencyVersion("1.0.1n");
         version = new DependencyVersion("1.0.1m");
         assertEquals(1, instance.compareTo(version));
         version = new DependencyVersion("1.0.1n");
         assertEquals(0, instance.compareTo(version));
         version = new DependencyVersion("1.0.1o");
         assertEquals(-1, instance.compareTo(version));
 
         DependencyVersion[] dv = new DependencyVersion[7];
         dv[0] = new DependencyVersion("2.1.3");
         dv[1] = new DependencyVersion("2.1.3.r2");
         dv[2] = new DependencyVersion("2.1.3.r1");
         dv[3] = new DependencyVersion("1.2.3.1");
         dv[4] = new DependencyVersion("1.2.3");
         dv[5] = new DependencyVersion("2");
         dv[6] = new DependencyVersion("-");
 
         DependencyVersion[] expected = new DependencyVersion[7];
         expected[0] = new DependencyVersion("-");
         expected[1] = new DependencyVersion("1.2.3");
         expected[2] = new DependencyVersion("1.2.3.1");
         expected[3] = new DependencyVersion("2");
         expected[4] = new DependencyVersion("2.1.3");
         expected[5] = new DependencyVersion("2.1.3.r1");
         expected[6] = new DependencyVersion("2.1.3.r2");
         Arrays.sort(dv);
 
         assertArrayEquals(expected, dv);
     }
 
     /**
      * Test of getVersionParts method, of class DependencyVersion.
      */
     @Test
     public void testGetVersionParts() {
         DependencyVersion instance = new DependencyVersion();
         List<String> versionParts = Arrays.asList("1", "1", "1");
         instance.setVersionParts(versionParts);
         List<String> expResult = Arrays.asList("1", "1", "1");
         List<String> result = instance.getVersionParts();
         assertEquals(expResult, result);
     }
 
     /**
      * Test of setVersionParts method, of class DependencyVersion.
      */
     @Test
     public void testSetVersionParts() {
         List<String> versionParts = Arrays.asList("1", "1", "1");
         DependencyVersion instance = new DependencyVersion();
         instance.setVersionParts(versionParts);
         List<String> results = instance.getVersionParts();
         assertEquals(versionParts, results);
     }
 }