Redesign desktop lobby as a workspace

desktop-client/test_lobby_sessions.py

@@ -1,4 +1,5 @@
 from lobby_widget import LobbyWidget
+from PyQt6.QtCore import Qt
 
 
 def test_session_selection_uses_existing_join_flow(qtbot):
@@ -21,3 +22,31 @@ def test_session_selection_uses_existing_join_flow(qtbot):
     lobby.update_sessions([])
     assert not lobby.session_join_btn.isEnabled()
     assert "No active sessions" in lobby.sessions_status.text()
+
+
+def test_workspace_dialogs_and_connection_lock(qtbot, tmp_path):
+    lobby = LobbyWidget()
+    qtbot.addWidget(lobby)
+    lobby.show()
+    assert not lobby.create_action_btn.isEnabled()
+    lobby.username_input.setText("Alex")
+    qtbot.mouseClick(lobby.create_action_btn, Qt.MouseButton.LeftButton)
+    assert lobby.create_dialog.isVisible()
+    assert not lobby.create_room_btn.isEnabled()
+    video = tmp_path / "movie.mkv"
+    video.write_bytes(b"local video")
+    lobby._set_local_file(str(video))
+    lobby.listed_checkbox.setChecked(False)
+    with qtbot.waitSignal(lobby.create_requested) as signal:
+        qtbot.mouseClick(lobby.create_room_btn, Qt.MouseButton.LeftButton)
+    assert signal.args == ["Alex", str(video), "movie.mkv", 11]
+    assert not lobby.create_dialog.isVisible()
+    assert not lobby.create_action_btn.isEnabled()
+    assert not lobby.join_action_btn.isEnabled()
+    lobby.reset_ui()
+    qtbot.mouseClick(lobby.join_action_btn, Qt.MouseButton.LeftButton)
+    lobby.room_code_input.setText("abc123")
+    with qtbot.waitSignal(lobby.join_requested) as signal:
+        qtbot.keyClick(lobby.room_code_input, Qt.Key.Key_Return)
+    assert signal.args == ["Alex", "ABC123"]
+    assert not lobby.join_dialog.isVisible()