feat(dictate): support configurable ASR backends

services/dictate/tests/test_installer.py

@@ -1,3 +1,4 @@
+import hashlib
 from pathlib import Path
 import os
 import subprocess
@@ -24,8 +25,11 @@ class InstallerTests(unittest.TestCase):
                 home / ".local/share/pi-dictate"
             ),
         }
+        command = [str(SCRIPT), *arguments, "--dry-run"]
+        if not any(action in arguments for action in ("uninstall", "check")):
+            command.extend(("--model-source", str(model), "--model-sha256", hashlib.sha256(model.read_bytes()).hexdigest()))
         return subprocess.run(
-            [str(SCRIPT), *arguments, "--dry-run", "--model-source", str(model)],
+            command,
             env=environment,
             capture_output=True,
             text=True,
@@ -47,7 +51,9 @@ class InstallerTests(unittest.TestCase):
             self.assertNotIn("ln -s", result.stdout)
             self.assertIn(".nemo.install.", result.stdout)
             self.assertIn("mv -f", result.stdout)
+            self.assertIn("uv venv --relocatable", result.stdout)
             self.assertIn("uv sync --frozen --no-dev --no-editable", result.stdout)
+            self.assertIn("--reinstall-package pi-dictate-service", result.stdout)
             self.assertIn("Would install pi-dictate", result.stdout)
             self.assertFalse((home / ".local/share/pi-dictate").exists())
 
@@ -87,6 +93,25 @@ class InstallerTests(unittest.TestCase):
                 "[Socket]\nListenStream=/tmp/unrelated.sock\n",
             )
 
+    def test_uninstall_refuses_a_modified_managed_unit(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            home = Path(directory)
+            model = home / "model.nemo"
+            model.write_bytes(b"model")
+            unit = home / ".config/systemd/user/pi-dictate.socket"
+            unit.parent.mkdir(parents=True)
+            unit.write_text(
+                "# Managed by pi-dictate install.sh\n[Socket]\nListenStream=/tmp/tampered.sock\n",
+                encoding="utf-8",
+            )
+
+            result = self.run_installer(home, model, "uninstall")
+
+            self.assertEqual(result.returncode, 1)
+            self.assertIn("unmanaged systemd unit", result.stderr)
+            self.assertNotIn("systemctl --user disable", result.stdout)
+            self.assertTrue(unit.exists())
+
     def test_reinstall_preserves_an_existing_host_dictionary(self) -> None:
         with tempfile.TemporaryDirectory() as directory:
             home = Path(directory)