test(backup): provider class selection

selfprivacy_api/backup/providers/__init__.py

@@ -0,0 +1,11 @@
+from selfprivacy_api.graphql.queries.providers import BackupProvider
+from selfprivacy_api.backup.providers.provider import AbstractBackupProvider
+
+from selfprivacy_api.backup.providers.backblaze import Backblaze
+
+PROVIDER_MAPPING = {
+    BackupProvider.BACKBLAZE: Backblaze
+}
+
+def get_provider(provider_type : BackupProvider) -> AbstractBackupProvider:
+    return PROVIDER_MAPPING[provider_type]

selfprivacy_api/backup/providers/backblaze.py

@@ -3,4 +3,4 @@ from selfprivacy_api.backup.restic_backuper import ResticBackuper
 
 
 class Backblaze(AbstractBackupProvider):
-    backuper = ResticBackuper()
+    backuper = ResticBackuper("--b2-account", "--b2-key", "b2")

selfprivacy_api/backup/providers/provider.py

@@ -11,3 +11,7 @@ class AbstractBackupProvider(ABC):
     @property
     def backuper(self) -> AbstractBackuper:
         raise NotImplementedError
+
+    def __init__(self, login, key):
+        self.login = login
+        self.key = key

tests/test_graphql/test_backup.py

@@ -0,0 +1,11 @@
+import selfprivacy_api.backup.providers as providers
+from selfprivacy_api.backup.providers import AbstractBackupProvider
+
+from selfprivacy_api.backup.providers.backblaze import Backblaze
+from selfprivacy_api.graphql.queries.providers import BackupProvider
+
+
+def test_select_backend():
+    provider = providers.get_provider(BackupProvider.BACKBLAZE)
+    assert provider is not None
+    assert provider == Backblaze