package org.eclipse.aether.internal.impl;
   
   /*
    * 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.
   */
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertThrows;
  
  import org.eclipse.aether.DefaultRepositorySystemSession;
  import org.eclipse.aether.internal.test.util.TestUtils;
  import org.eclipse.aether.repository.RemoteRepository;
  import org.eclipse.aether.repository.RepositoryPolicy;
  import org.eclipse.aether.spi.connector.checksum.ChecksumPolicy;
  import org.eclipse.aether.transfer.TransferResource;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.core.Is.is;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  public class DefaultChecksumPolicyProviderTest
  {
  
      private static final String CHECKSUM_POLICY_UNKNOWN = "unknown";
  
      private DefaultRepositorySystemSession session;
  
      private DefaultChecksumPolicyProvider provider;
  
      private RemoteRepository repository;
  
      private TransferResource resource;
  
      @Before
      public void setup()
      {
          session = TestUtils.newSession();
          provider = new DefaultChecksumPolicyProvider();
          repository = new RemoteRepository.Builder( "test", "default", "file:/void" ).build();
          resource = new TransferResource( repository.getId(), repository.getUrl(), "file.txt", null, null );
      }
  
      @After
      public void teardown()
      {
          provider = null;
          session = null;
          repository = null;
          resource = null;
      }
  
      @Test
      public void testNewChecksumPolicy_Fail()
      {
          ChecksumPolicy policy =
              provider.newChecksumPolicy( session, repository, resource, RepositoryPolicy.CHECKSUM_POLICY_FAIL );
          assertNotNull( policy );
          assertEquals( FailChecksumPolicy.class, policy.getClass() );
      }
  
      @Test
      public void testNewChecksumPolicy_Warn()
      {
          ChecksumPolicy policy =
              provider.newChecksumPolicy( session, repository, resource, RepositoryPolicy.CHECKSUM_POLICY_WARN );
          assertNotNull( policy );
          assertEquals( WarnChecksumPolicy.class, policy.getClass() );
      }
  
      @Test
      public void testNewChecksumPolicy_Ignore()
      {
          ChecksumPolicy policy =
              provider.newChecksumPolicy( session, repository, resource, RepositoryPolicy.CHECKSUM_POLICY_IGNORE );
          assertNull( policy );
      }
  
      @Test( expected = IllegalArgumentException.class )
      public void testNewChecksumPolicy_Unknown()
      {
          ChecksumPolicy policy = provider.newChecksumPolicy( session, repository, resource, CHECKSUM_POLICY_UNKNOWN );
         assertNotNull( policy );
         assertEquals( WarnChecksumPolicy.class, policy.getClass() );
     }
 
     @Test
     public void testGetEffectiveChecksumPolicy_EqualPolicies()
     {
         String[] policies =
             { RepositoryPolicy.CHECKSUM_POLICY_FAIL, RepositoryPolicy.CHECKSUM_POLICY_WARN,
                 RepositoryPolicy.CHECKSUM_POLICY_IGNORE };
         for ( String policy : policies )
         {
             assertEquals( policy, policy, provider.getEffectiveChecksumPolicy( session, policy, policy ) );
         }
     }
 
     @Test
     public void testGetEffectiveChecksumPolicy_DifferentPolicies()
     {
         String[][] testCases =
             { { RepositoryPolicy.CHECKSUM_POLICY_WARN, RepositoryPolicy.CHECKSUM_POLICY_FAIL },
                 { RepositoryPolicy.CHECKSUM_POLICY_IGNORE, RepositoryPolicy.CHECKSUM_POLICY_FAIL },
                 { RepositoryPolicy.CHECKSUM_POLICY_IGNORE, RepositoryPolicy.CHECKSUM_POLICY_WARN } };
         for ( String[] testCase : testCases )
         {
             assertEquals( testCase[0] + " vs " + testCase[1], testCase[0],
                           provider.getEffectiveChecksumPolicy( session, testCase[0], testCase[1] ) );
             assertEquals( testCase[0] + " vs " + testCase[1], testCase[0],
                           provider.getEffectiveChecksumPolicy( session, testCase[1], testCase[0] ) );
         }
     }
 
     @Test
     public void testGetEffectiveChecksumPolicy_UnknownPolicies()
     {
         String[][] testCases =
             { { RepositoryPolicy.CHECKSUM_POLICY_WARN, RepositoryPolicy.CHECKSUM_POLICY_FAIL },
                 { RepositoryPolicy.CHECKSUM_POLICY_WARN, RepositoryPolicy.CHECKSUM_POLICY_WARN },
                 { RepositoryPolicy.CHECKSUM_POLICY_IGNORE, RepositoryPolicy.CHECKSUM_POLICY_IGNORE } };
         for ( String[] testCase : testCases )
         {
             IllegalArgumentException e = assertThrows( IllegalArgumentException.class,
                     () -> provider.getEffectiveChecksumPolicy( session, CHECKSUM_POLICY_UNKNOWN, testCase[1] ) );
             assertThat( e.getMessage(), is("Unsupported policy: unknown") );
             e = assertThrows( IllegalArgumentException.class,
                     () -> provider.getEffectiveChecksumPolicy( session, testCase[1], CHECKSUM_POLICY_UNKNOWN ) );
             assertThat( e.getMessage(), is("Unsupported policy: unknown") );
         }
     }
 
 }