Add upload capability to the backup integration (#128546)

* Add upload capability to the backup integration

* Limit context switch

* rename

* coverage for http

* Test receiving a backup file

* Update test_manager.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

---------

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

tests/components/backup/test_http.py

@@ -1,8 +1,11 @@
 """Tests for the Backup integration."""
 
+import asyncio
+from io import StringIO
 from unittest.mock import patch
 
 from aiohttp import web
+import pytest
 
 from homeassistant.core import HomeAssistant
 
@@ -49,12 +52,12 @@ async def test_downloading_backup_not_found(
     assert resp.status == 404
 
 
-async def test_non_admin(
+async def test_downloading_as_non_admin(
     hass: HomeAssistant,
     hass_client: ClientSessionGenerator,
     hass_admin_user: MockUser,
 ) -> None:
-    """Test downloading a backup file that does not exist."""
+    """Test downloading a backup file when you are not an admin."""
     hass_admin_user.groups = []
     await setup_backup_integration(hass)
 
@@ -62,3 +65,53 @@ async def test_non_admin(
 
     resp = await client.get("/api/backup/download/abc123")
     assert resp.status == 401
+
+
+async def test_uploading_a_backup_file(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+) -> None:
+    """Test uploading a backup file."""
+    await setup_backup_integration(hass)
+
+    client = await hass_client()
+
+    with patch(
+        "homeassistant.components.backup.manager.BackupManager.async_receive_backup",
+    ) as async_receive_backup_mock:
+        resp = await client.post(
+            "/api/backup/upload",
+            data={"file": StringIO("test")},
+        )
+        assert resp.status == 201
+        assert async_receive_backup_mock.called
+
+
+@pytest.mark.parametrize(
+    ("error", "message"),
+    [
+        (OSError("Boom!"), "Can't write backup file Boom!"),
+        (asyncio.CancelledError("Boom!"), ""),
+    ],
+)
+async def test_error_handling_uploading_a_backup_file(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    error: Exception,
+    message: str,
+) -> None:
+    """Test error handling when uploading a backup file."""
+    await setup_backup_integration(hass)
+
+    client = await hass_client()
+
+    with patch(
+        "homeassistant.components.backup.manager.BackupManager.async_receive_backup",
+        side_effect=error,
+    ):
+        resp = await client.post(
+            "/api/backup/upload",
+            data={"file": StringIO("test")},
+        )
+        assert resp.status == 500
+        assert await resp.text() == message