source: sasview/src/sas/qtgui/Calculators/UnitTesting/DensityCalculatorTest.py @ 7be7136

Last change on this file since 7be7136 was 464cd07, checked in by Piotr Rozyczko <rozyczko@…>, 7 years ago

Use singleton QApplication in unit tests to avoid issues on Ubuntu. SASVIEW-485

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File size: 4.2 KB
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1import sys
2import unittest
3import webbrowser
4
5from PyQt4 import QtGui
6from PyQt4.QtTest import QTest
7from PyQt4 import QtCore
8from mock import MagicMock
9
10####### TEMP
11import sas.qtgui.path_prepare
12#######
13
14# Local
15from sas.qtgui.Calculators.DensityPanel import DensityPanel
16from sas.qtgui.Calculators.DensityPanel import toMolarMass
17from sas.qtgui.Utilities.GuiUtils import FormulaValidator
18
19import sas.qtgui.Utilities.LocalConfig
20
21if not QtGui.QApplication.instance():
22    app = QtGui.QApplication(sys.argv)
23
24class ToMolarMassTest(unittest.TestCase):
25    """ Test the auxiliary conversion method"""
26    def testGoodEasy(self):
27        self.assertEqual(toMolarMass("H2"), "2.01588")
28
29    def testGoodComplex(self):
30        self.assertEqual(toMolarMass("H24O12C4C6N2Pu"), "608.304")
31
32    def testGoodComplex2(self):
33        self.assertEqual(toMolarMass("(H2O)0.5(D2O)0.5"), "19.0214")
34
35    def testBadInputInt(self):
36        self.assertEqual(toMolarMass(1), "")
37
38    def testBadInputStr(self):
39        self.assertEqual(toMolarMass("Im a bad string"), "")
40
41class DensityCalculatorTest(unittest.TestCase):
42    '''Test the DensityCalculator'''
43    def setUp(self):
44        '''Create the DensityCalculator'''
45        self.widget = DensityPanel(None)
46
47    def tearDown(self):
48        '''Destroy the DensityCalculator'''
49        self.widget.close()
50        self.widget = None
51
52    def testDefaults(self):
53        '''Test the GUI in its default state'''
54        self.assertIsInstance(self.widget, QtGui.QWidget)
55        self.assertEqual(self.widget.windowTitle(), "Density/Volume Calculator")
56        self.assertIsInstance(self.widget.ui.editMolecularFormula.validator(), FormulaValidator)
57        self.assertEqual(self.widget.ui.editMolecularFormula.styleSheet(), '')
58        self.assertEqual(self.widget.model.columnCount(), 1)
59        self.assertEqual(self.widget.model.rowCount(), 4)
60        self.assertEqual(self.widget.sizePolicy().Policy(), QtGui.QSizePolicy.Fixed)
61
62    def testSimpleEntry(self):
63        ''' Default compound calculations '''
64        self.widget.ui.editMolarVolume.insert("1.0")
65
66        self.widget.show()
67        # Send tab x3
68        key = QtCore.Qt.Key_Tab
69        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
70        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
71        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
72        QTest.qWait(100)
73
74        # Assure the mass density field is set
75        self.assertEqual(self.widget.ui.editMassDensity.text(), '18.0153')
76
77        # Change mass density
78        self.widget.ui.editMassDensity.insert("16.0")
79        # Send shift-tab to update the molar volume field
80        key =  QtCore.Qt.Key_Tab
81        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.ShiftModifier)
82        QTest.qWait(100)
83
84        # Assure the molar volume field got updated
85        self.assertEqual(self.widget.ui.editMolarVolume.text(), '1.12595625')
86
87    def testComplexEntryAndReset(self):
88        ''' User entered compound calculations and subsequent reset'''
89
90        self.widget.ui.editMolecularFormula.clear()
91        self.widget.ui.editMolecularFormula.insert("KMnO4")
92        self.widget.ui.editMolarVolume.insert("2.0")
93
94        self.widget.show()
95        # Send tab x3
96        key = QtCore.Qt.Key_Tab
97        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
98        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
99        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
100        QTest.qWait(100)
101
102        # Assure the mass density field is set
103        self.assertEqual(self.widget.ui.editMassDensity.text(), '79.017')
104
105        # Reset the widget
106        self.widget.modelReset()
107
108        self.assertEqual(self.widget.ui.editMolecularFormula.text(), "H2O")
109        self.assertEqual(self.widget.ui.editMolarMass.text(), "18.0153")
110        self.assertEqual(self.widget.ui.editMolarVolume.text(), "")
111        self.assertEqual(self.widget.ui.editMassDensity.text(), "")
112
113        #self.widget.exec_()
114
115    def testHelp(self):
116        """ Assure help file is shown """
117
118        # this should not rise
119        self.widget.displayHelp()
120
121if __name__ == "__main__":
122    unittest.main()
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