added test for selecting an output

tests/testcases/integration.py

@@ -25,13 +25,13 @@
 from importlib.util import spec_from_loader, module_from_spec
 from importlib.machinery import SourceFileLoader
 
-from alsacontrol.config import get_config
-from alsacontrol.cards import input_exists, get_current_card, get_card
-
+import alsaaudio
 import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 
+from alsacontrol.config import get_config
+
 
 def gtk_iteration():
  """Iterate while events are pending."""
@@ -98,6 +98,30 @@ def test_toggle_input(self):
  self.assertEqual(get_config().get('pcm_input'), 'null')
  self.assertIn('No card selected', input_card_name.get_label())
 
+ def test_select_output(self):
+ cards = alsaaudio.cards()
+ card_index = 0
+ config = get_config()
+
+ class FakeDropdown:
+ """Acts like a Gtk.ComboBoxText object."""
+ def get_active_text(self):
+ return cards[card_index]
+
+ self.window.on_output_card_selected(FakeDropdown())
+ self.assertEqual(
+ config.get('pcm_output'),
+ f'hw:CARD={cards[card_index]}'
+ )
+
+ card_index = 1
+ config.set('output_plugin', 'ab')
+ self.window.on_output_card_selected(FakeDropdown())
+ self.assertEqual(
+ config.get('pcm_output'),
+ f'ab:CARD={cards[card_index]}'
+ )
+
  def test_go_to_input_page(self):
  # should start at the output page, no monitoring should be active now
  self.assertNotIn(True, [