[0532d7c1] | 1 | import sys |
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| 2 | import unittest |
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[53c771e] | 3 | import logging |
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| 4 | |
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| 5 | from PyQt5 import QtGui, QtWidgets |
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| 6 | from PyQt5.QtTest import QTest |
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| 7 | from PyQt5.QtCore import Qt |
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[7fb471d] | 8 | from unittest.mock import MagicMock |
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[0532d7c1] | 9 | |
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| 10 | # set up import paths |
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[83eb5208] | 11 | import sas.qtgui.path_prepare |
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[0532d7c1] | 12 | |
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[83eb5208] | 13 | from sas.qtgui.Calculators.SlitSizeCalculator import SlitSizeCalculator |
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[0532d7c1] | 14 | from sas.sascalc.dataloader.loader import Loader |
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| 15 | |
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[53c771e] | 16 | if not QtWidgets.QApplication.instance(): |
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| 17 | app = QtWidgets.QApplication(sys.argv) |
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[0532d7c1] | 18 | |
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| 19 | |
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| 20 | class SlitSizeCalculatorTest(unittest.TestCase): |
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| 21 | """Test the SlitSizeCalculator""" |
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| 22 | def setUp(self): |
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| 23 | """Create the SlitSizeCalculator""" |
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| 24 | self.widget = SlitSizeCalculator(None) |
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| 25 | |
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| 26 | def tearDown(self): |
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| 27 | """Destroy the SlitSizeCalculator""" |
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| 28 | self.widget.close() |
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| 29 | self.widget = None |
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| 30 | |
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| 31 | def testDefaults(self): |
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| 32 | """Test the GUI in its default state""" |
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[53c771e] | 33 | self.assertIsInstance(self.widget, QtWidgets.QWidget) |
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[0532d7c1] | 34 | self.assertEqual(self.widget.windowTitle(), "Slit Size Calculator") |
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[53c771e] | 35 | self.assertEqual(self.widget.sizePolicy().Policy(), QtWidgets.QSizePolicy.Fixed) |
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[0532d7c1] | 36 | |
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| 37 | def testHelp(self): |
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| 38 | """ Assure help file is shown """ |
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| 39 | |
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| 40 | # this should not rise |
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| 41 | self.widget.onHelp() |
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| 42 | |
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| 43 | def testBrowseButton(self): |
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| 44 | browseButton = self.widget.browseButton |
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| 45 | |
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| 46 | filename = "beam_profile.DAT" |
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| 47 | |
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| 48 | # Return no files. |
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[53c771e] | 49 | QtWidgets.QFileDialog.getOpenFileName = MagicMock(return_value=('','')) |
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[0532d7c1] | 50 | |
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| 51 | # Click on the Browse button |
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| 52 | QTest.mouseClick(browseButton, Qt.LeftButton) |
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| 53 | |
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| 54 | # Test the getOpenFileName() dialog called once |
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[53c771e] | 55 | self.assertTrue(QtWidgets.QFileDialog.getOpenFileName.called) |
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| 56 | QtWidgets.QFileDialog.getOpenFileName.assert_called_once() |
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[0532d7c1] | 57 | |
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| 58 | # Now, return a single file |
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[53c771e] | 59 | QtWidgets.QFileDialog.getOpenFileName = MagicMock(return_value=(filename,'')) |
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[0532d7c1] | 60 | |
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| 61 | # Click on the Load button |
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| 62 | QTest.mouseClick(browseButton, Qt.LeftButton) |
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[53c771e] | 63 | QtWidgets.qApp.processEvents() |
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[0532d7c1] | 64 | |
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| 65 | # Test the getOpenFileName() dialog called once |
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[53c771e] | 66 | self.assertTrue(QtWidgets.QFileDialog.getOpenFileName.called) |
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| 67 | QtWidgets.QFileDialog.getOpenFileName.assert_called_once() |
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[0532d7c1] | 68 | |
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[debf5c3] | 69 | |
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[8222f171] | 70 | def notestCalculateSlitSize(self): |
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[debf5c3] | 71 | """ Test slit size calculated value """ |
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| 72 | |
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| 73 | filename = "beam_profile.DAT" |
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| 74 | loader = Loader() |
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[f4a1433] | 75 | data = loader.load(filename)[0] |
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[debf5c3] | 76 | |
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| 77 | self.widget.calculateSlitSize(data) |
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| 78 | # The value "5.5858" was obtained by manual calculation. |
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| 79 | # It turns out our slit length is FWHM/2 |
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| 80 | self.assertAlmostEqual(float(self.widget.slit_length_out.text()), 5.5858/2, 3) |
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| 81 | |
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| 82 | def testWrongInput(self): |
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| 83 | """ Test on wrong input data """ |
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| 84 | |
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[53c771e] | 85 | filename = "Dec07031.ASC" |
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[debf5c3] | 86 | loader = Loader() |
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[f4a1433] | 87 | data = loader.load(filename)[0] |
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[53c771e] | 88 | |
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| 89 | logging.error = MagicMock() |
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| 90 | |
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| 91 | self.widget.calculateSlitSize(data) |
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| 92 | |
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| 93 | self.assertTrue(logging.error.called_once()) |
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[debf5c3] | 94 | |
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| 95 | data = None |
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[53c771e] | 96 | self.widget.calculateSlitSize(data) |
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| 97 | self.assertTrue(logging.error.call_count == 2) |
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[debf5c3] | 98 | |
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[0532d7c1] | 99 | |
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| 100 | if __name__ == "__main__": |
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| 101 | unittest.main() |
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