Subversion repository export

Add the repository export function for Subversion repositories. The repository will be exported as dump file which can be downloaded directly or inside a gzip compressed archive.

scm-webapp/src/test/java/sonia/scm/api/v2/resources/RepositoryRootResourceTest.java

@@ -54,6 +54,7 @@ import sonia.scm.repository.RepositoryInitializer;
 import sonia.scm.repository.RepositoryManager;
 import sonia.scm.repository.RepositoryTestData;
 import sonia.scm.repository.RepositoryType;
+import sonia.scm.repository.api.BundleCommandBuilder;
 import sonia.scm.repository.api.Command;
 import sonia.scm.repository.api.ImportFailedException;
 import sonia.scm.repository.api.PullCommandBuilder;
@@ -66,6 +67,7 @@ import sonia.scm.web.RestDispatcher;
 import sonia.scm.web.VndMediaType;
 
 import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.core.MediaType;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -98,7 +100,6 @@ import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThrows;
 import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyMap;
 import static org.mockito.ArgumentMatchers.anyObject;
 import static org.mockito.ArgumentMatchers.anyString;
@@ -167,6 +168,7 @@ public class RepositoryRootResourceTest extends RepositoryTestBase {
     RepositoryCollectionToDtoMapper repositoryCollectionToDtoMapper = new RepositoryCollectionToDtoMapper(repositoryToDtoMapper, resourceLinks);
     super.repositoryCollectionResource = new RepositoryCollectionResource(repositoryManager, repositoryCollectionToDtoMapper, dtoToRepositoryMapper, resourceLinks, repositoryInitializer);
     super.repositoryImportResource = new RepositoryImportResource(repositoryManager, dtoToRepositoryMapper, serviceFactory, resourceLinks, eventBus);
+    super.repositoryExportResource = new RepositoryExportResource(repositoryManager, serviceFactory);
     dispatcher.addSingletonResource(getRepositoryRootResource());
     when(serviceFactory.create(any(Repository.class))).thenReturn(service);
     when(scmPathInfoStore.get()).thenReturn(uriInfo);
@@ -710,6 +712,59 @@ public class RepositoryRootResourceTest extends RepositoryTestBase {
     verify(repositoryManager).unarchive(repository);
   }
 
+  @Test
+  public void shouldExportRepository() throws URISyntaxException {
+    String namespace = "space";
+    String name = "repo";
+    Repository repository = mockRepository(namespace, name);
+    when(manager.get(new NamespaceAndName(namespace, name))).thenReturn(repository);
+    mockRepositoryHandler(ImmutableSet.of(Command.BUNDLE));
+
+    BundleCommandBuilder bundleCommandBuilder = mock(BundleCommandBuilder.class);
+    when(service.getBundleCommand()).thenReturn(bundleCommandBuilder);
+
+    MockHttpRequest request = MockHttpRequest
+      .get("/" + RepositoryRootResource.REPOSITORIES_PATH_V2 + "space/repo/export/svn");
+    MockHttpResponse response = new MockHttpResponse();
+
+    dispatcher.invoke(request, response);
+
+    assertEquals(SC_OK, response.getStatus());
+    assertEquals(MediaType.APPLICATION_OCTET_STREAM, response.getOutputHeaders().get("Content-Type").get(0).toString());
+    verify(service).getBundleCommand();
+  }
+
+  @Test
+  public void shouldExportRepositoryCompressed() throws URISyntaxException {
+    String namespace = "space";
+    String name = "repo";
+    Repository repository = mockRepository(namespace, name);
+    when(manager.get(new NamespaceAndName(namespace, name))).thenReturn(repository);
+    mockRepositoryHandler(ImmutableSet.of(Command.BUNDLE));
+
+    BundleCommandBuilder bundleCommandBuilder = mock(BundleCommandBuilder.class);
+    when(service.getBundleCommand()).thenReturn(bundleCommandBuilder);
+
+    MockHttpRequest request = MockHttpRequest
+      .get("/" + RepositoryRootResource.REPOSITORIES_PATH_V2 + "space/repo/export/svn?compressed=true");
+    MockHttpResponse response = new MockHttpResponse();
+
+    dispatcher.invoke(request, response);
+
+    assertEquals(SC_OK, response.getStatus());
+    assertEquals("application/x-gzip", response.getOutputHeaders().get("Content-Type").get(0).toString());
+    verify(service).getBundleCommand();
+  }
+
+  private void mockRepositoryHandler(Set<Command> cmds) {
+    RepositoryHandler repositoryHandler = mock(RepositoryHandler.class);
+    RepositoryType repositoryType = mock(RepositoryType.class);
+    when(manager.getHandler("svn")).thenReturn(repositoryHandler);
+    when(repositoryHandler.getType()).thenReturn(repositoryType);
+    when(repositoryType.getSupportedCommands()).thenReturn(cmds);
+  }
+
+
   private PageResult<Repository> createSingletonPageResult(Repository repository) {
     return new PageResult<>(singletonList(repository), 0);
   }

scm-webapp/src/test/java/sonia/scm/api/v2/resources/RepositoryTestBase.java

@@ -46,6 +46,7 @@ abstract class RepositoryTestBase {
   RepositoryCollectionResource repositoryCollectionResource;
   AnnotateResource annotateResource;
   RepositoryImportResource repositoryImportResource;
+  RepositoryExportResource repositoryExportResource;
 
   RepositoryRootResource getRepositoryRootResource() {
     RepositoryBasedResourceProvider repositoryBasedResourceProvider = new RepositoryBasedResourceProvider(
@@ -59,7 +60,8 @@ abstract class RepositoryTestBase {
       of(modificationsRootResource),
       of(fileHistoryRootResource),
       of(incomingRootResource),
-      of(annotateResource));
+      of(annotateResource),
+      of(repositoryExportResource));
     return new RepositoryRootResource(
       of(new RepositoryResource(
         repositoryToDtoMapper,

scm-webapp/src/test/java/sonia/scm/api/v2/resources/RepositoryToRepositoryDtoMapperTest.java

@@ -284,6 +284,16 @@ public class RepositoryToRepositoryDtoMapperTest {
       dto.getLinks().getLinkBy("unarchive").get().getHref());
   }
 
+  @Test
+  public void shouldCreateExportLink() {
+    Repository repository = createTestRepository();
+    repository.setType("svn");
+    RepositoryDto dto = mapper.map(repository);
+    assertEquals(
+      "http://example.com/base/v2/repositories/testspace/test/export/svn",
+      dto.getLinks().getLinkBy("export").get().getHref());
+  }
+
   private ScmProtocol mockProtocol(String type, String protocol) {
     return new MockScmProtocol(type, protocol);
   }