[MRM-2011] Using unique index directories for maven indexer

archiva-modules/archiva-maven/archiva-maven-indexer/src/test/java/org/apache/archiva/indexer/maven/MavenIndexManagerTest.java

 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.nio.file.DirectoryStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.nio.file.attribute.*;
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.EnumSet;
 import java.util.List;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import static org.junit.Assert.*;
 
     public void addArtifactsToIndex() throws Exception {
 
         ArchivaIndexingContext ctx = createTestContext();
-        Path destDir = repository.getAsset( "" ).getFilePath().resolve("org/apache/archiva/archiva-search/1.0");
-        Path srcDir = Paths.get("src/test/maven-search-test-repo/org/apache/archiva/archiva-search/1.0");
-        org.apache.commons.io.FileUtils.copyDirectory(srcDir.toFile(), destDir.toFile());
-        List<URI> uriList = new ArrayList<>();
-        uriList.add(destDir.resolve("archiva-search-1.0.jar").toUri());
-        uriList.add(destDir.resolve("archiva-search-1.0-sources.jar").toUri());
-        mavenIndexManager.addArtifactsToIndex(ctx, uriList);
-
-        IndexingContext mvnCtx = mavenIndexManager.getMvnContext(ctx);
-        String term = "org.apache.archiva";
-        Query q = new BooleanQuery.Builder().add( queryCreator.constructQuery( MAVEN.GROUP_ID, new UserInputSearchExpression( term ) ),
-                BooleanClause.Occur.SHOULD ).build();
-        assertEquals(2, mvnCtx.acquireIndexSearcher().count(q));
+        try {
+            Path destDir = repository.getAsset("").getFilePath().resolve("org/apache/archiva/archiva-search/1.0");
+            Path srcDir = Paths.get("src/test/maven-search-test-repo/org/apache/archiva/archiva-search/1.0");
+            org.apache.commons.io.FileUtils.copyDirectory(srcDir.toFile(), destDir.toFile());
+            List<URI> uriList = new ArrayList<>();
+            uriList.add(destDir.resolve("archiva-search-1.0.jar").toUri());
+            uriList.add(destDir.resolve("archiva-search-1.0-sources.jar").toUri());
+            mavenIndexManager.addArtifactsToIndex(ctx, uriList);
+
+            IndexingContext mvnCtx = mavenIndexManager.getMvnContext(ctx);
+            String term = "org.apache.archiva";
+            Query q = new BooleanQuery.Builder().add(queryCreator.constructQuery(MAVEN.GROUP_ID, new UserInputSearchExpression(term)),
+                    BooleanClause.Occur.SHOULD).build();
+            assertEquals(2, mvnCtx.acquireIndexSearcher().count(q));
+        } finally {
+            try {
+                ctx.close(true);
+            } catch (IOException e) {
+                // Ignore
+            }
+        }
     }
 
     @Test
     }
 
     private ArchivaIndexingContext createTestContext() throws URISyntaxException, IndexCreationFailedException, IOException {
-        indexPath = Paths.get("target/repositories/test-repo/.index-test");
-        FileUtils.deleteDirectory(indexPath);
+        String indexPathName = ".index-test." + System.nanoTime();
+        indexPath = Paths.get("target/repositories/test-repo" ).resolve(indexPathName);
+        if (Files.exists(indexPath)) {
+
+            try {
+                FileUtils.deleteDirectory(indexPath);
+            } catch (IOException e) {
+                String destName = indexPath.getFileName().toString() + "." + System.currentTimeMillis();
+                Files.move(indexPath, indexPath.getParent().resolve(destName));
+            }
+        }
         repository = MavenManagedRepository.newLocalInstance("test-repo", "Test Repo", Paths.get("target/repositories"));
         // repository.setLocation(new URI("test-repo"));
         IndexCreationFeature icf = repository.getFeature(IndexCreationFeature.class).get();
-        icf.setIndexPath(new URI(".index-test"));
+        icf.setIndexPath(new URI(indexPathName));
         ctx = mavenIndexManager.createContext(repository);
         return ctx;
     }
 
     private ArchivaIndexingContext createTestContextForRemote() throws URISyntaxException, IndexCreationFailedException, IOException {
-        indexPath = Paths.get("target/repositories/test-repo/.index-test");
+        // indexPath = Paths.get("target/repositories/test-repo/.index-test");
         Path repoPath = Paths.get("target/repositories").toAbsolutePath();
         repositoryRemote = MavenRemoteRepository.newLocalInstance("test-repo", "Test Repo", repoPath);
         repositoryRemote.setLocation(repoPath.resolve("test-repo").toUri());
         RemoteIndexFeature icf = repositoryRemote.getFeature(RemoteIndexFeature.class).get();
-        icf.setIndexUri(new URI(".index-test"));
+        icf.setIndexUri(new URI(indexPath.getFileName().toString()));
         ctx = mavenIndexManager.createContext(repositoryRemote);
         return ctx;
     }