source: sasview/src/sas/qtgui/Calculators/UnitTesting/SLDCalculatorTest.py @ 464cd07

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Last change on this file since 464cd07 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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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.SldPanel import SldResult
16from sas.qtgui.Calculators.SldPanel import SldPanel
17from sas.qtgui.Calculators.SldPanel import sldAlgorithm
18from sas.qtgui.Utilities.GuiUtils import FormulaValidator
19
20import sas.qtgui.Utilities.LocalConfig
21
22if not QtGui.QApplication.instance():
23    app = QtGui.QApplication(sys.argv)
24
25class SldResultTest(unittest.TestCase):
26    """ Test the simple container class"""
27    def testObjectSize(self):
28        results = SldResult(0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
29                            0.0, 0.0, 0.0, 0.0, 0.0, 0.0)
30        self.assertEqual(sys.getsizeof(results), 56)
31
32
33class SldAlgorithmTest(unittest.TestCase):
34    """ Test the periodictable wrapper """
35    def testSldAlgorithm1(self):
36        molecular_formula = "H2O"
37        mass_density = 1.0
38        wavelength = 6.0
39       
40        results = sldAlgorithm( molecular_formula,
41                                mass_density,
42                                wavelength)
43        self.assertIsInstance(results, SldResult)
44        self.assertAlmostEqual(results.neutron_length, 0.175463, 5)
45        self.assertAlmostEqual(results.neutron_inc_xs, 5.365857, 5)
46        self.assertAlmostEqual(results.neutron_abs_xs, 0.074224, 5)
47
48    def testSldAlgorithm2(self):
49        molecular_formula = "C29O[18]5+7NH[2]3"
50        mass_density = 3.0
51        wavelength = 666.0
52       
53        results = sldAlgorithm( molecular_formula,
54                                mass_density,
55                                wavelength)
56        self.assertIsInstance(results, SldResult)
57        self.assertAlmostEqual(results.neutron_length,   0.059402, 5)
58        self.assertAlmostEqual(results.neutron_inc_xs,   0.145427, 5)
59        self.assertAlmostEqual(results.neutron_abs_xs,  15.512215, 5)
60        self.assertAlmostEqual(results.neutron_sld_real, 1.3352833e-05, 5)
61        self.assertAlmostEqual(results.neutron_sld_imag, 1.1645807e-10, 5)
62
63
64class SLDCalculatorTest(unittest.TestCase):
65    '''Test the SLDCalculator'''
66    def setUp(self):
67        '''Create the SLDCalculator'''
68        self.widget = SldPanel(None)
69
70    def tearDown(self):
71        '''Destroy the DensityCalculator'''
72        self.widget.close()
73        self.widget = None
74
75    def testDefaults(self):
76        '''Test the GUI in its default state'''
77        self.assertIsInstance(self.widget, QtGui.QWidget)
78        self.assertEqual(self.widget.windowTitle(), "SLD Calculator")
79        self.assertIsInstance(self.widget.ui.editMolecularFormula.validator(), FormulaValidator)
80        self.assertEqual(self.widget.ui.editMolecularFormula.styleSheet(), '')
81        self.assertEqual(self.widget.model.columnCount(), 1)
82        self.assertEqual(self.widget.model.rowCount(), 12)
83        self.assertEqual(self.widget.sizePolicy().Policy(), QtGui.QSizePolicy.Fixed)
84
85    def testSimpleEntry(self):
86        ''' Default compound calculations '''
87
88        self.widget.show()
89
90        self.widget.ui.editMassDensity.clear()
91        self.widget.ui.editMassDensity.insert("1.0")
92        # Send tab x3
93        key = QtCore.Qt.Key_Tab
94        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
95        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
96        QtGui.qApp.processEvents()
97        QTest.qWait(100)
98
99        # Assure the output fields are set
100        self.assertEqual(self.widget.ui.editNeutronIncXs.text(), '5.37')
101
102        # Change mass density
103        self.widget.ui.editWavelength.clear()
104        self.widget.ui.editWavelength.setText("666.0")
105
106        # Send shift-tab to update the molar volume field
107        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
108        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
109        QtGui.qApp.processEvents()
110        QTest.qWait(100)
111
112        # Assure the molar volume field got updated
113        self.assertEqual(self.widget.ui.editNeutronAbsXs.text(), '8.24')
114
115    def testComplexEntryAndReset(self):
116        ''' User entered compound calculations and subsequent reset'''
117
118        self.widget.ui.editMolecularFormula.clear()
119        self.widget.ui.editMolecularFormula.insert("CaCO[18]3+6H2O")
120        self.widget.ui.editMassDensity.insert("5.0")
121
122        self.widget.show()
123        # Send tab x2
124        key = QtCore.Qt.Key_Tab
125        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
126        QTest.keyEvent(QTest.Press, self.widget, key, QtCore.Qt.NoModifier)
127        QTest.qWait(100)
128
129        # Assure the mass density field is set
130        self.assertEqual(self.widget.ui.editNeutronIncXs.text(), '40.6')
131
132        # Reset the widget
133        self.widget.modelReset()
134
135        self.assertEqual(self.widget.ui.editMolecularFormula.text(), "H2O")
136        self.assertEqual(self.widget.ui.editMassDensity.text(), "1")
137        self.assertEqual(self.widget.ui.editWavelength.text(), "6")
138
139    def testHelp(self):
140        """ Assure help file is shown """
141
142        # this should not rise
143        self.widget.displayHelp()
144
145if __name__ == "__main__":
146    unittest.main()
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