Use backup mounts (#4289)

* Add support for backup mounts

* Fix tests

* Allow backups to local when there's a default location

tests/api/test_backups.py

@@ -1,9 +1,15 @@
 """Test backups API."""
 
+from pathlib import Path, PurePath
 from unittest.mock import patch
 
+from aiohttp.test_utils import TestClient
+import pytest
+
 from supervisor.backups.backup import Backup
+from supervisor.const import CoreState
 from supervisor.coresys import CoreSys
+from supervisor.mounts.mount import Mount
 
 
 async def test_info(api_client, coresys: CoreSys, mock_full_backup: Backup):
@@ -43,3 +49,79 @@ async def test_options(api_client, coresys: CoreSys):
         save_data.assert_called_once()
 
     assert coresys.backups.days_until_stale == 10
+
+
+@pytest.mark.parametrize(
+    "location,backup_dir",
+    [("backup_test", PurePath("mounts", "backup_test")), (None, PurePath("backup"))],
+)
+async def test_backup_to_location(
+    api_client: TestClient,
+    coresys: CoreSys,
+    location: str | None,
+    backup_dir: PurePath,
+    tmp_supervisor_data: Path,
+    path_extern,
+):
+    """Test making a backup to a specific location with default mount."""
+    await coresys.mounts.load()
+    (coresys.config.path_mounts / "backup_test").mkdir()
+    mount = Mount.from_dict(
+        coresys,
+        {
+            "name": "backup_test",
+            "type": "cifs",
+            "usage": "backup",
+            "server": "backup.local",
+            "share": "backups",
+        },
+    )
+    await coresys.mounts.create_mount(mount)
+    coresys.mounts.default_backup_mount = mount
+
+    coresys.core.state = CoreState.RUNNING
+    coresys.hardware.disk.get_disk_free_space = lambda x: 5000
+    resp = await api_client.post(
+        "/backups/new/full",
+        json={
+            "name": "Mount test",
+            "location": location,
+        },
+    )
+    result = await resp.json()
+    assert result["result"] == "ok"
+    slug = result["data"]["slug"]
+
+    assert (tmp_supervisor_data / backup_dir / f"{slug}.tar").exists()
+
+
+async def test_backup_to_default(
+    api_client: TestClient, coresys: CoreSys, tmp_supervisor_data, path_extern
+):
+    """Test making backup to default mount."""
+    await coresys.mounts.load()
+    (mount_dir := coresys.config.path_mounts / "backup_test").mkdir()
+    mount = Mount.from_dict(
+        coresys,
+        {
+            "name": "backup_test",
+            "type": "cifs",
+            "usage": "backup",
+            "server": "backup.local",
+            "share": "backups",
+        },
+    )
+    await coresys.mounts.create_mount(mount)
+    coresys.mounts.default_backup_mount = mount
+
+    coresys.core.state = CoreState.RUNNING
+    coresys.hardware.disk.get_disk_free_space = lambda x: 5000
+    resp = await api_client.post(
+        "/backups/new/full",
+        json={"name": "Mount test"},
+    )
+    result = await resp.json()
+    assert result["result"] == "ok"
+    slug = result["data"]["slug"]
+
+    assert (mount_dir / f"{slug}.tar").exists()