enhance/fix tests, and make resolver work correctly when at least one repo is good out of a list

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@162989 13f79535-47bb-0310-9956-ffa450edef68

maven-artifact/src/main/java/org/apache/maven/artifact/manager/DefaultWagonManager.java

@@ -126,6 +126,9 @@ public class DefaultWagonManager
      * If we won't plug validation process here the question is what we can do afterwards?
      * We don't know from which ArtifactRepository artifact was fetched and where we should restart.
      * We should be also fetching md5 sums and such from the same exact directory then artifacts
+     * <p/>
+     * @todo probably all exceptions should just be logged and continue
+     * @todo is the exception for warnings logged at debug level correct?
      */
     public void get( Artifact artifact, File destination, Set repositories )
         throws TransferFailedException
@@ -194,6 +197,12 @@ public class DefaultWagonManager
             {
                 throw new TransferFailedException( "Authorization failed: ", e );
             }
+            catch ( TransferFailedException e )
+            {
+                getLogger().warn( "Failure getting artifact from repository '" + repository + "'" + e );
+                getLogger().debug( "Stack trace", e );
+                continue;
+            }
             catch ( Exception e )
             {
                 throw new TransferFailedException( "Release of wagon failed: ", e );
@@ -227,7 +236,7 @@ public class DefaultWagonManager
             return;
         }
 
-        throw new TransferFailedException( "Resource doesn't exist in any remote repository" );
+        throw new TransferFailedException( "Unable to download the artifact from any repository" );
     }
 
     public void contextualize( Context context )

maven-artifact/src/test/java/org/apache/maven/artifact/ArtifactComponentTestCase.java

@@ -1,15 +1,3 @@
-package org.apache.maven.artifact;
-
-import org.codehaus.plexus.PlexusTestCase;
-import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
-import org.apache.maven.artifact.repository.ArtifactRepository;
-
-import java.io.File;
-import java.io.Writer;
-import java.io.FileWriter;
-import java.util.Set;
-import java.util.HashSet;
-
 /*
  * Copyright 2001-2004 The Apache Software Foundation.
  *
@@ -26,6 +14,19 @@ import java.util.HashSet;
  * limitations under the License.
  */
 
+package org.apache.maven.artifact;
+
+import org.codehaus.plexus.PlexusTestCase;
+import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
+import org.apache.maven.artifact.repository.ArtifactRepository;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.util.Set;
+import java.util.HashSet;
+
 /**
  * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
  * @version $Id$
@@ -56,11 +57,20 @@ public abstract class ArtifactComponentTestCase
 
     protected ArtifactRepository remoteRepository()
     {
-        ArtifactRepository localRepository = new ArtifactRepository();
+        ArtifactRepository repository = new ArtifactRepository();
 
-        localRepository.setUrl( "file://" + "target/test-classes/repositories/" + component() + "/remote-repository" );
+        repository.setUrl( "file://" + "target/test-classes/repositories/" + component() + "/remote-repository" );
 
-        return localRepository;
+        return repository;
+    }
+
+    protected ArtifactRepository badRemoteRepository()
+    {
+        ArtifactRepository repository = new ArtifactRepository();
+
+        repository.setUrl( "http://foo.bar/repository" );
+
+        return repository;
     }
 
     protected void assertRemoteArtifactPresent( Artifact artifact )
@@ -71,7 +81,7 @@ public abstract class ArtifactComponentTestCase
 
         if ( !file.exists() )
         {
-            fail( "Local artifact " + file + " should be present." );
+            fail( "Remote artifact " + file + " should be present." );
         }
     }
 
@@ -83,7 +93,7 @@ public abstract class ArtifactComponentTestCase
 
         if ( !file.exists() )
         {
-            fail( "Remote artifact " + file + " should be present." );
+            fail( "Local artifact " + file + " should be present." );
         }
     }
 
@@ -95,7 +105,7 @@ public abstract class ArtifactComponentTestCase
 
         if ( file.exists() )
         {
-            fail( "Local artifact " + file + " should not be present." );
+            fail( "Remote artifact " + file + " should not be present." );
         }
     }
 
@@ -107,7 +117,7 @@ public abstract class ArtifactComponentTestCase
 
         if ( file.exists() )
         {
-            fail( "Remote artifact " + file + " should not be present." );
+            fail( "Local artifact " + file + " should not be present." );
         }
     }
 
@@ -188,4 +198,27 @@ public abstract class ArtifactComponentTestCase
     {
         return new DefaultArtifact( "maven", artifactId, version, type );
     }
+
+    protected void deleteLocalArtifact( Artifact artifact )
+        throws Exception
+    {
+        deleteArtifact( artifact, localRepository() );
+    }
+
+    protected void deleteArtifact( Artifact artifact, ArtifactRepository repository )
+        throws Exception
+    {
+        String path = artifactHandlerManager.path( artifact );
+
+        File artifactFile = new File( repository.getBasedir(), path );
+
+        if ( artifactFile.exists() )
+        {
+            if ( !artifactFile.delete() )
+            {
+                throw new IOException( "Failure while attempting to delete artifact " + artifactFile );
+            }
+        }
+    }
 }
+

maven-artifact/src/test/java/org/apache/maven/artifact/resolver/ArtifactResolverTest.java

@@ -72,7 +72,8 @@ public class ArtifactResolverTest
     public void testResolutionOfASingleArtifactWhereTheArtifactIsNotPresentLocallyAndMustBeRetrievedFromTheRemoteRepository()
         throws Exception
     {
-        Artifact b = createLocalArtifact( "b", "1.0" );
+        Artifact b = createRemoteArtifact( "b", "1.0" );
+        deleteLocalArtifact( b );
 
         artifactResolver.resolve( b, remoteRepositories(), localRepository() );
 
@@ -110,8 +111,10 @@ public class ArtifactResolverTest
         Set artifacts = new HashSet();
 
         Artifact e = createRemoteArtifact( "e", "1.0" );
+        deleteLocalArtifact( e );
 
         Artifact f = createRemoteArtifact( "f", "1.0" );
+        deleteLocalArtifact( f );
 
         artifacts.add( e );
 
@@ -180,8 +183,10 @@ public class ArtifactResolverTest
         throws Exception
     {
         Artifact i = createRemoteArtifact( "i", "1.0" );
+        deleteLocalArtifact( i );
 
         Artifact j = createRemoteArtifact( "j", "1.0" );
+        deleteLocalArtifact( j );
 
         ArtifactMetadataSource mds = new ArtifactMetadataSource()
         {
@@ -221,4 +226,35 @@ public class ArtifactResolverTest
 
         assertLocalArtifactPresent( j );
     }
+
+    public void testResolutionFailureWhenArtifactNotPresentInRemoteRepository()
+    {
+        Artifact k = createArtifact( "k", "1.0" );
+
+        try
+        {
+            artifactResolver.resolve( k, remoteRepositories(), localRepository() );
+            fail( "Resolution succeeded when it should have failed" );
+        }
+        catch ( ArtifactResolutionException expected )
+        {
+            assertTrue( true );
+        }
+    }
+
+    public void testResolutionOfAnArtifactWhereOneRemoteRepositoryIsBadButOneIsGood()
+        throws Exception
+    {
+        Artifact l = createRemoteArtifact( "l", "1.0" );
+        deleteLocalArtifact( l );
+
+        Set repositories = new HashSet();
+        repositories.add( remoteRepository() );
+        repositories.add( badRemoteRepository() );
+
+        artifactResolver.resolve( l, repositories, localRepository() );
+
+        assertLocalArtifactPresent( l );
+    }
 }
+