diff --git a/tests/widgets/main_window_test.py b/tests/widgets/main_window_test.py
index 3fc7b39e..baccd2c8 100644
--- a/tests/widgets/main_window_test.py
+++ b/tests/widgets/main_window_test.py
@@ -1,5 +1,6 @@
 import logging
 import os
+import tempfile
 from typing import List
 from unittest.mock import patch, Mock
 
@@ -293,6 +294,67 @@ class TestMainWindow:
         assert window.toolbar.open_transcript_action.isEnabled() is False
         window.close()
 
+    def test_import_folder_opens_file_transcriber_with_supported_files(
+        self, qtbot, transcription_service
+    ):
+        window = MainWindow(transcription_service)
+        qtbot.add_widget(window)
+
+        with tempfile.TemporaryDirectory() as folder:
+            # Create supported and unsupported files
+            supported = ["audio.mp3", "video.mp4", "clip.wav"]
+            unsupported = ["document.txt", "image.png"]
+            subdir = os.path.join(folder, "sub")
+            os.makedirs(subdir)
+            nested = "nested.flac"
+
+            for name in supported + unsupported:
+                open(os.path.join(folder, name), "w").close()
+            open(os.path.join(subdir, nested), "w").close()
+
+            with patch("PyQt6.QtWidgets.QFileDialog.getExistingDirectory") as mock_dir, \
+                 patch.object(window, "open_file_transcriber_widget") as mock_open:
+                mock_dir.return_value = folder
+                window.on_import_folder_action_triggered()
+
+            collected = mock_open.call_args[0][0]
+            collected_names = {os.path.basename(p) for p in collected}
+            assert collected_names == {"audio.mp3", "video.mp4", "clip.wav", "nested.flac"}
+
+        window.close()
+
+    def test_import_folder_does_nothing_when_cancelled(
+        self, qtbot, transcription_service
+    ):
+        window = MainWindow(transcription_service)
+        qtbot.add_widget(window)
+
+        with patch("PyQt6.QtWidgets.QFileDialog.getExistingDirectory") as mock_dir, \
+             patch.object(window, "open_file_transcriber_widget") as mock_open:
+            mock_dir.return_value = ""
+            window.on_import_folder_action_triggered()
+
+        mock_open.assert_not_called()
+        window.close()
+
+    def test_import_folder_does_nothing_when_no_supported_files(
+        self, qtbot, transcription_service
+    ):
+        window = MainWindow(transcription_service)
+        qtbot.add_widget(window)
+
+        with tempfile.TemporaryDirectory() as folder:
+            open(os.path.join(folder, "readme.txt"), "w").close()
+            open(os.path.join(folder, "image.jpg"), "w").close()
+
+            with patch("PyQt6.QtWidgets.QFileDialog.getExistingDirectory") as mock_dir, \
+                 patch.object(window, "open_file_transcriber_widget") as mock_open:
+                mock_dir.return_value = folder
+                window.on_import_folder_action_triggered()
+
+        mock_open.assert_not_called()
+        window.close()
+
     @staticmethod
     def _import_file_and_start_transcription(
         window: MainWindow, long_audio: bool = False
diff --git a/tests/widgets/menu_bar_test.py b/tests/widgets/menu_bar_test.py
index 5934ddea..6ee555a5 100644
--- a/tests/widgets/menu_bar_test.py
+++ b/tests/widgets/menu_bar_test.py
@@ -1,3 +1,5 @@
+from unittest.mock import patch, Mock
+
 from PyQt6.QtCore import QSettings
 
 from buzz.widgets.menu_bar import MenuBar
@@ -6,6 +8,18 @@ from buzz.widgets.preferences_dialog.preferences_dialog import PreferencesDialog
 
 
 class TestMenuBar:
+    def test_import_folder_action_emits_signal(self, qtbot, shortcuts):
+        menu_bar = MenuBar(
+            shortcuts=shortcuts, preferences=Preferences.load(QSettings())
+        )
+        qtbot.add_widget(menu_bar)
+
+        signal_mock = Mock()
+        menu_bar.import_folder_action_triggered.connect(signal_mock)
+        menu_bar.import_folder_action.trigger()
+
+        signal_mock.assert_called_once()
+
     def test_open_preferences_dialog(self, qtbot, shortcuts):
         menu_bar = MenuBar(
             shortcuts=shortcuts, preferences=Preferences.load(QSettings())