TST: partially cover the Parameter class

Author: pavoljuhas

src/diffpy/pdfgui/tests/testparameter.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+##############################################################################
+#
+# diffpy.pdfgui     Complex Modeling Initiative
+#                   (c) 2019 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 the Parameter class.
+"""
+
+import unittest
+
+import wx
+
+from diffpy.pdfgui.control.parameter import Parameter
+from diffpy.pdfgui.control.controlerrors import ControlTypeError
+from diffpy.pdfgui.control.controlerrors import ControlKeyError
+from diffpy.pdfgui.gui.mainframe import MainFrame
+from diffpy.pdfgui.tests.testutils import GUITestCase, datafile
+
+# ----------------------------------------------------------------------------
+
+class TestParameter(GUITestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        GUITestCase.setUpClass()
+        GUITestCase.setCmdArgs([datafile("lcmo.ddp")])
+        cls.app = wx.App()
+        cls.frame = MainFrame(None, -1, "")
+        tree = cls.frame.treeCtrlMain
+        fits = tree.GetChildren(tree.root)
+        cls.frame.makeTreeSelection(fits[0])
+        return
+
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.frame.Close()
+        cls.app.Destroy()
+        GUITestCase.tearDownClass()
+        return
+
+
+    def setUp(self):
+        self.fitting = self.frame.rightPanel.fit
+        return
+
+
+    def test___init__(self):
+        "check Parameter.__init__"
+        p = Parameter(3, 2.2)
+        self.assertEqual(3, p.idx)
+        self.assertIsNone(p.refined)
+        self.assertEqual(2.2, p.initialValue())
+        p100 = Parameter(100, self.fitting)
+        self.assertAlmostEqual(0.7957747, p100.initialValue(), 6)
+        p102 = Parameter(102, "=fit-d300:102")
+        self.assertAlmostEqual(1.1811493, p102.initialValue(), 6)
+        self.assertRaises(ControlTypeError, Parameter, 1, None)
+        return
+
+
+    def test_initialValue(self):
+        "check Parameter.initialValue"
+        p1 = Parameter(1, 0.25)
+        self.assertEqual(0.25, p1.initialValue())
+        self.assertEqual("0.25", p1.initialStr())
+        px = Parameter(7, "=undefined")
+        self.assertRaises(ControlKeyError, px.initialValue)
+        self.assertEqual("=undefined:7", px.initialStr())
+        return
+
+# End of class TestParameter
+
+# ----------------------------------------------------------------------------
+
+if __name__ == '__main__':
+    unittest.main()