1 files changed, 42 insertions, 0 deletions
diff --git a/tests/test_ibus_engine.py b/tests/test_ibus_engine.py
new file mode 100644
index 0000000..18be819
--- /dev/null
+++ b/tests/test_ibus_engine.py
@@ -0,0 +1,42 @@
+import unittest
+from unittest.mock import MagicMock, patch
+
+from parley.ibus_engine import IBusIntegration, ParleyIBusEngine
+
+
+class IBusSpinnerTests(unittest.TestCase):
+    def setUp(self) -> None:
+        self.integration = object.__new__(IBusIntegration)
+        self.integration._processing = False
+        self.integration._spinner_frame = 0
+        self.integration._spinner_source = 0
+        self.engine = MagicMock()
+        ParleyIBusEngine.focused = self.engine
+
+    def tearDown(self) -> None:
+        ParleyIBusEngine.focused = None
+
+    @patch("parley.ibus_engine.GLib.timeout_add", return_value=42)
+    def test_processing_uses_temporary_preedit_text(
+        self, timeout_add: MagicMock
+    ) -> None:
+        self.integration.set_processing(True)
+
+        arguments = self.engine.update_preedit_text_with_mode.call_args.args
+        self.assertEqual(arguments[0].get_text(), "⠋ Transcribing…")
+        self.assertTrue(arguments[2])
+        timeout_add.assert_called_once_with(120, self.integration._advance_spinner)
+
+    @patch("parley.ibus_engine.GLib.Source.remove")
+    def test_stopping_processing_hides_preedit(self, remove: MagicMock) -> None:
+        self.integration._processing = True
+        self.integration._spinner_source = 42
+
+        self.integration.set_processing(False)
+
+        remove.assert_called_once_with(42)
+        self.engine.hide_preedit_text.assert_called_once_with()
+
+
+if __name__ == "__main__":
+    unittest.main()