feat(dictate): support configurable ASR backends

services/dictate/tests/test_live_smoke.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from pathlib import Path
+import tempfile
+import unittest
+
+from pi_dictate_service.live_smoke import MAX_SAMPLE_BYTES, _read_sample
+
+
+class LiveSmokeTests(unittest.TestCase):
+    def test_reads_one_bounded_even_pcm_fixture(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            sample = Path(directory) / "sample.pcm"
+            sample.write_bytes(b"\x00\x01" * 100)
+            self.assertEqual(_read_sample(sample), sample.read_bytes())
+
+    def test_rejects_symlink_odd_and_oversized_fixtures(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            root = Path(directory)
+            valid = root / "valid.pcm"
+            valid.write_bytes(b"\x00\x00")
+            link = root / "link.pcm"
+            link.symlink_to(valid)
+            odd = root / "odd.pcm"
+            odd.write_bytes(b"x")
+            oversized = root / "oversized.pcm"
+            oversized.write_bytes(b"x" * (MAX_SAMPLE_BYTES + 2))
+            for path in (link, odd, oversized):
+                with self.subTest(path=path), self.assertRaises((OSError, ValueError)):
+                    _read_sample(path)
+
+
+if __name__ == "__main__":
+    unittest.main()