test(backups): test restoring a file

selfprivacy_api/backup/restic_backuper.py

@@ -94,8 +94,15 @@ class ResticBackuper(AbstractBackuper):
         """
         Restore from backup with restic
         """
+        # snapshots save the path of the folder in the file system
+        # I do not alter the signature yet because maybe this can be
+        # changed with flags
         restore_command = self.restic_command(
-            repo_name, "restore", snapshot_id, "--target", folder
+            repo_name,
+            "restore",
+            snapshot_id,
+            "--target",
+            "/",
         )
 
         with subprocess.Popen(
@@ -103,7 +110,7 @@ class ResticBackuper(AbstractBackuper):
         ) as handle:
 
             output = handle.communicate()[0].decode("utf-8")
-            if "restored" not in output:
+            if "restoring" not in output:
                 raise ValueError("cannot restore a snapshot: " + output)
 
     def _load_snapshots(self, repo_name) -> object:

tests/test_graphql/test_backup.py

@@ -1,6 +1,8 @@
 import pytest
 import os.path as path
 from os import makedirs
+from os import remove
+from os import listdir
 
 from selfprivacy_api.services.test_service import DummyService
 
@@ -107,3 +109,21 @@ def test_one_snapshot(backups, dummy_service):
     assert len(snaps) == 1
     snap = snaps[0]
     assert snap.service_name == dummy_service.get_id()
+
+
+def test_restore(backups, dummy_service):
+    service_folder = dummy_service.get_location()
+    file_to_nuke = listdir(service_folder)[0]
+    assert file_to_nuke is not None
+    path_to_nuke = path.join(service_folder, file_to_nuke)
+
+    backups.back_up(dummy_service)
+    snap = backups.get_snapshots(dummy_service)[0]
+    assert snap is not None
+
+    assert path.exists(path_to_nuke)
+    remove(path_to_nuke)
+    assert not path.exists(path_to_nuke)
+
+    backups.restore_service_from_snapshot(dummy_service, snap.id)
+    assert path.exists(path_to_nuke)