1 files changed, 49 insertions, 0 deletions
diff --git a/app/tests/test_runview.py b/app/tests/test_runview.py
index 7006427..556cb52 100644
--- a/app/tests/test_runview.py
+++ b/app/tests/test_runview.py
@@ -7,8 +7,11 @@ own queue to exercise state transitions, rendering, and the Esc/q
 cancel → stop-server flow.
 """
 
+import os
 import sys
+import tempfile
 import unittest
+from queue import Empty
 from unittest.mock import patch
 
 from tests.test_tui import FakeCurses, FakeScreen
@@ -234,5 +237,51 @@ class RunLoopTests(_FakeTui, unittest.TestCase):
         mk_stop.assert_not_called()
 
 
+class WorkerTests(_FakeTui, unittest.TestCase):
+    """The worker thread's handoff into audiobook.convert."""
+
+    def make_view(self, **cfg):
+        screen = FakeScreen()
+        return runview.RunView(screen, _config(**cfg), clock=lambda: 1000.0)
+
+    def _drain(self, view):
+        events = []
+        while True:
+            try:
+                events.append(view._queue.get_nowait())
+            except Empty:
+                return events
+
+    def test_book_files_reach_convert_once(self):
+        # Regression: _preflight stashes book_files/planned in the form
+        # kwargs and RunConfig carries them as fields too; passing both to
+        # convert() raised "got multiple values for keyword argument".
+        view = self.make_view(
+            kwargs={"voice": "alloy", "book_files": ["b.txt"],
+                    "planned": ["b.txt"]},
+            book_files=["b.txt"], planned=["b.txt"])
+        with patch("audiobook.convert") as mk_convert:
+            view._worker_main()
+        _, kw = mk_convert.call_args
+        self.assertEqual(kw["book_files"], ["b.txt"])
+        self.assertEqual(kw["planned"], ["b.txt"])
+        self.assertEqual(kw["voice"], "alloy")
+        self.assertNotIn("error", [e["kind"] for e in self._drain(view)])
+
+    def test_worker_error_is_appended_to_the_dated_log(self):
+        # A crash before convert() configures logging must still leave its
+        # trace in the file the failure screen points at.
+        with tempfile.TemporaryDirectory() as tmp:
+            log_path = os.path.join(tmp, "audiobook_20260825.log")
+            view = self.make_view(log_path=log_path)
+            with patch("audiobook.convert",
+                       side_effect=TypeError("boom")):
+                view._worker_main()
+            with open(log_path, encoding="utf-8") as handle:
+                text = handle.read()
+        self.assertIn("ERROR - boom", text)
+        self.assertIn("error", [e["kind"] for e in self._drain(view)])
+
+
 if __name__ == "__main__":
     unittest.main()