TST: cover changed methods in ParametersPanel

Failing test due to old unconditional needsSave call.

Author: pavoljuhas

src/diffpy/pdfgui/tests/TestParametersPanel.py

@@ -0,0 +1,118 @@
+#!/usr/bin/env python
+##############################################################################
+#
+# diffpy.pdfgui     Complex Modeling Initiative
+#                   (c) 2018 Brookhaven Science Associates,
+#                   Brookhaven National Laboratory.
+#                   All rights reserved.
+#
+# File coded by:    Pavol Juhas
+#
+# See AUTHORS.txt for a list of people who contributed.
+# See LICENSE.txt for license information.
+#
+##############################################################################
+
+"""
+Unit tests for ParametersPanel class
+"""
+
+import unittest
+
+import wx.grid
+
+from diffpy.pdfgui.gui.parameterspanel import ParametersPanel
+from diffpy.pdfgui.control.parameter import Parameter
+from diffpy.pdfgui.gui.pdfguiglobals import dbopts
+
+# ----------------------------------------------------------------------------
+
+class TestParametersPanel(unittest.TestCase):
+
+    def setUp(self):
+        self._save_noerrordialog = dbopts.noerrordialog
+        dbopts.noerrordialog = True
+        self.app = wx.App()
+        self.frame = wx.Frame(None)
+        self.panel = ParametersPanel(self.frame, -1)
+        self.panel.parameters.update([
+            (1, Parameter(1, 0.1)),
+            (5, Parameter(5, 0.5)),
+        ])
+        self.panel.refresh()
+        self.panel.mainFrame = _TMainFrame()
+        self.frame.window = self.panel
+        return
+
+    def tearDown(self):
+        self.frame.Close()
+        dbopts.noerrordialog = self._save_noerrordialog
+        return
+
+
+    def _leftclickcell(self, row, col, **kw):
+        gp = self.panel.grid_parameters
+        eventtype = wx.grid.EVT_GRID_CELL_LEFT_CLICK.typeId
+        e = wx.grid.GridEvent(gp.Id, eventtype, gp, row, col, **kw)
+        gp.ProcessEvent(e)
+        return
+
+
+    @unittest.expectedFailure
+    def test_applyCellChange(self):
+        "Check ParametersPanel.applyCellChange"
+        gp = self.panel.grid_parameters
+        mf = self.panel.mainFrame
+        panel = self.panel
+        self.assertFalse(mf.altered)
+        panel.applyCellChange(0, 0, 0.1)
+        self.assertFalse(mf.altered)
+        panel.applyCellChange(0, 0, 1.5)
+        self.assertTrue(mf.altered)
+        self.assertEqual("1.5", gp.GetCellValue(0, 0))
+        self.assertEqual(1.5, panel.parameters[1].initialValue())
+        return
+
+
+    def test_onCellLeftClick(self):
+        "Check click handling on the Parameters grid."
+        gp = self.panel.grid_parameters
+        p = self.panel.parameters[1]
+        self.assertFalse(self.panel.mainFrame.altered)
+        self.assertEqual("0", gp.GetCellValue(0, 1))
+        self.assertFalse(p.fixed)
+        self._leftclickcell(0, 1)
+        self.assertEqual("1", gp.GetCellValue(0, 1))
+        self.assertTrue(p.fixed)
+        self.assertTrue(self.panel.mainFrame.altered)
+        self._leftclickcell(0, 1)
+        self.assertEqual("0", gp.GetCellValue(0, 1))
+        self._leftclickcell(0, 1, control=True)
+        self.assertEqual("0", gp.GetCellValue(0, 1))
+        self._leftclickcell(0, 1, shift=True)
+        self.assertEqual("0", gp.GetCellValue(0, 1))
+        gp.SelectAll()
+        self._leftclickcell(0, 1)
+        self.assertEqual("0", gp.GetCellValue(0, 1))
+        gp.ClearSelection()
+        self._leftclickcell(0, 1)
+        self.assertEqual("1", gp.GetCellValue(0, 1))
+        return
+
+# End of class TestParametersPanel
+
+# Local Helpers --------------------------------------------------------------
+
+class _TMainFrame(object):
+    "Think mockup of the used MainFrame methods."
+
+    altered = False
+
+    def needsSave(self):
+        self.altered = True
+        return
+
+# ----------------------------------------------------------------------------
+
+if __name__ == '__main__':
+    unittest.main()