Return custom comparison service for checksum.

googledrive/src/main/java/ch/cyberduck/core/googledrive/DriveProtocol.java

@@ -19,6 +19,9 @@ import ch.cyberduck.core.AbstractProtocol;
 import ch.cyberduck.core.LocaleFactory;
 import ch.cyberduck.core.Protocol;
 import ch.cyberduck.core.Scheme;
+import ch.cyberduck.core.synchronization.ChecksumComparisonService;
+import ch.cyberduck.core.synchronization.ComparisonService;
+import ch.cyberduck.core.synchronization.DefaultComparisonService;
 
 import com.google.auto.service.AutoService;
 
@@ -85,4 +88,14 @@ public class DriveProtocol extends AbstractProtocol {
     public VersioningMode getVersioningMode() {
         return VersioningMode.storage;
     }
+
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public <T> T getFeature(final Class<T> type) {
+        if(type == ComparisonService.class) {
+            return (T) new DefaultComparisonService(new ChecksumComparisonService(), ComparisonService.disabled);
+        }
+        return super.getFeature(type);
+    }
 }

googledrive/src/test/java/ch/cyberduck/core/googledrive/DriveMoveFeatureTest.java

@@ -58,14 +58,19 @@ public class DriveMoveFeatureTest extends AbstractDriveTest {
         final DriveFileIdProvider fileid = new DriveFileIdProvider(session);
         final Path test = new DriveTouchFeature(session, fileid).touch(new DriveWriteFeature(session, fileid), new Path(DriveHomeFinderService.MYDRIVE_FOLDER, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file)), new TransferStatus());
         final String id = test.attributes().getFileId();
-        final Path folder = new Path(DriveHomeFinderService.MYDRIVE_FOLDER, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.directory));
-        new DriveDirectoryFeature(session, fileid).mkdir(new DriveWriteFeature(session, fileid), folder, new TransferStatus());
+        final Path folder = new DriveDirectoryFeature(session, fileid).mkdir(new DriveWriteFeature(session, fileid),
+                new Path(DriveHomeFinderService.MYDRIVE_FOLDER, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.directory)), new TransferStatus());
+        assertEquals(folder.attributes(), new DriveAttributesFinderFeature(session, fileid).find(folder));
         final Path target = new DriveMoveFeature(session, fileid).move(test, new Path(folder, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file)), new TransferStatus(), new Delete.DisabledCallback(), new DisabledConnectionCallback());
         assertEquals(id, target.attributes().getFileId());
+        assertEquals(test.attributes().getChecksum(), target.attributes().getChecksum());
+        assertNotEquals(test.attributes().getModificationDate(), target.attributes().getModificationDate());
         final Find find = new DefaultFindFeature(session);
         assertFalse(find.find(test));
         assertTrue(find.find(target));
+        assertEquals(folder.attributes(), new DriveAttributesFinderFeature(session, fileid).find(folder));
         final PathAttributes targetAttr = new DriveAttributesFinderFeature(session, fileid).find(target);
+        assertEquals(target.attributes(), targetAttr);
         assertEquals(Comparison.equal, session.getHost().getProtocol().getFeature(ComparisonService.class).compare(Path.Type.file, test.attributes(), targetAttr));
         new DriveDeleteFeature(session, fileid).delete(Arrays.asList(target, folder), new DisabledLoginCallback(), new Delete.DisabledCallback());
     }

googledrive/src/test/java/ch/cyberduck/core/googledrive/DriveWriteFeatureTest.java

@@ -55,6 +55,8 @@ public class DriveWriteFeatureTest extends AbstractDriveTest {
         final DriveFileIdProvider idProvider = new DriveFileIdProvider(session);
         final Path folder = new DriveDirectoryFeature(session, idProvider).mkdir(
                 new DriveWriteFeature(session, idProvider), new Path(DriveHomeFinderService.MYDRIVE_FOLDER, UUID.randomUUID().toString(), EnumSet.of(Path.Type.directory)), new TransferStatus());
+        final PathAttributes folderAttributes = new DriveAttributesFinderFeature(session, idProvider).find(folder);
+        assertEquals(folderAttributes, folder.attributes());
         final Path test = new Path(folder, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file));
         String fileid;
         {
@@ -83,6 +85,7 @@ public class DriveWriteFeatureTest extends AbstractDriveTest {
             assertArrayEquals(content, buffer);
             assertEquals("x-application/cyberduck", session.getClient().files().get(test.attributes().getFileId()).execute().getMimeType());
         }
+        assertEquals(folderAttributes, new DriveAttributesFinderFeature(session, idProvider).find(folder));
         {
             // overwrite
             final TransferStatus status = new TransferStatus();