tests: test_enable_single_window_mode, not complete

tests/test_mdiarea.py

@@ -5,6 +5,9 @@ from PyQt5.QtWidgets import QApplication
 from grum.mainwin import MainWindow
 import mock
 
+from grum.mdi import MDIArea, MDISubMultiPlot, MDISubPlot
+from grum.mdi.mdisubwin import MDISubWindow
+
 class TestViewUnit(unittest.TestCase):
     def setUp(self) -> None:
         print("setup")
@@ -46,4 +49,28 @@ class TestViewUnit(unittest.TestCase):
 
         assert mdi.menu.checkboxes["Multiple windows"].isChecked() == True
         mdi.enable_subwindow_view.assert_called_once()
-        mdi.tileSubWindows.assert_called_once()
+        mdi.tileSubWindows.assert_called_once()
+
+    def test_enable_single_window_mode(self):
+        mdi = self.mw.mdi
+        mdi.enable_subwindow_view = mock.MagicMock()
+        mdi.closeInactiveSubWindows = mock.MagicMock()
+        active = mdi.activeSubWindow()
+        assert  mdi.activeSubWindow() == None
+        
+        sine_item = self.mw.lst.lst.get("sine")
+        sub = MDISubPlot("sine", sine_item.value)
+        mdi.addSubWindow(sub)
+        mdi.setActiveSubWindow(MDISubWindow("sine"))
+       
+        # assert  mdi.activeSubWindow() != None
+
+        mdi.enable_single_window_mode()
+
+        mdi.enable_subwindow_view.assert_called_once()
+        mdi.closeInactiveSubWindows.assert_called_once()
+
+        # active = mdi.activeSubWindow()
+        # if active:
+            # active.showMaximized()
+            # active.frame_off()