[0532d7c1] | 1 | import sys |
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| 2 | import unittest |
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| 3 | from PyQt4 import QtGui |
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| 4 | from PyQt4.QtTest import QTest |
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| 5 | from PyQt4.QtCore import Qt |
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| 6 | from mock import MagicMock |
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| 7 | |
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| 8 | # set up import paths |
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[83eb5208] | 9 | import sas.qtgui.path_prepare |
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[0532d7c1] | 10 | |
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[83eb5208] | 11 | from sas.qtgui.Calculators.SlitSizeCalculator import SlitSizeCalculator |
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[0532d7c1] | 12 | from sas.sascalc.dataloader.loader import Loader |
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| 13 | |
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[464cd07] | 14 | if not QtGui.QApplication.instance(): |
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| 15 | app = QtGui.QApplication(sys.argv) |
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[0532d7c1] | 16 | |
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| 17 | |
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| 18 | class SlitSizeCalculatorTest(unittest.TestCase): |
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| 19 | """Test the SlitSizeCalculator""" |
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| 20 | def setUp(self): |
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| 21 | """Create the SlitSizeCalculator""" |
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| 22 | self.widget = SlitSizeCalculator(None) |
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| 23 | |
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| 24 | def tearDown(self): |
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| 25 | """Destroy the SlitSizeCalculator""" |
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| 26 | self.widget.close() |
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| 27 | self.widget = None |
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| 28 | |
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| 29 | def testDefaults(self): |
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| 30 | """Test the GUI in its default state""" |
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| 31 | self.assertIsInstance(self.widget, QtGui.QWidget) |
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| 32 | self.assertEqual(self.widget.windowTitle(), "Slit Size Calculator") |
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| 33 | self.assertEqual(self.widget.sizePolicy().Policy(), QtGui.QSizePolicy.Fixed) |
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| 34 | |
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| 35 | def testHelp(self): |
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| 36 | """ Assure help file is shown """ |
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| 37 | |
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| 38 | # this should not rise |
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| 39 | self.widget.onHelp() |
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| 40 | |
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| 41 | def testBrowseButton(self): |
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| 42 | browseButton = self.widget.browseButton |
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| 43 | |
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| 44 | filename = "beam_profile.DAT" |
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| 45 | |
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| 46 | # Return no files. |
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| 47 | QtGui.QFileDialog.getOpenFileName = MagicMock(return_value=None) |
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| 48 | |
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| 49 | # Click on the Browse button |
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| 50 | QTest.mouseClick(browseButton, Qt.LeftButton) |
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| 51 | |
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| 52 | # Test the getOpenFileName() dialog called once |
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| 53 | self.assertTrue(QtGui.QFileDialog.getOpenFileName.called) |
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| 54 | QtGui.QFileDialog.getOpenFileName.assert_called_once() |
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| 55 | |
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| 56 | # Now, return a single file |
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| 57 | QtGui.QFileDialog.getOpenFileName = MagicMock(return_value=filename) |
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| 58 | |
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| 59 | # Click on the Load button |
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| 60 | QTest.mouseClick(browseButton, Qt.LeftButton) |
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| 61 | QtGui.qApp.processEvents() |
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| 62 | |
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| 63 | # Test the getOpenFileName() dialog called once |
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| 64 | self.assertTrue(QtGui.QFileDialog.getOpenFileName.called) |
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| 65 | QtGui.QFileDialog.getOpenFileName.assert_called_once() |
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| 66 | |
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[debf5c3] | 67 | |
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| 68 | def testCalculateSlitSize(self): |
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| 69 | """ Test slit size calculated value """ |
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| 70 | |
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| 71 | filename = "beam_profile.DAT" |
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| 72 | loader = Loader() |
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| 73 | data = loader.load(filename) |
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| 74 | |
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| 75 | self.widget.calculateSlitSize(data) |
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| 76 | # The value "5.5858" was obtained by manual calculation. |
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| 77 | # It turns out our slit length is FWHM/2 |
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| 78 | self.assertAlmostEqual(float(self.widget.slit_length_out.text()), 5.5858/2, 3) |
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| 79 | |
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| 80 | def testWrongInput(self): |
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| 81 | """ Test on wrong input data """ |
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| 82 | |
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| 83 | filename = "Dec07031.ASC" |
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| 84 | loader = Loader() |
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| 85 | data = loader.load(filename) |
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[886d2f2c] | 86 | self.assertRaisesRegexp(RuntimeError, |
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[debf5c3] | 87 | "Slit Length cannot be computed for 2D Data", |
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| 88 | self.widget.calculateSlitSize, data) |
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| 89 | |
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| 90 | data = None |
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| 91 | self.assertRaisesRegexp(RuntimeError, |
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| 92 | "ERROR: Data hasn't been loaded correctly", |
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| 93 | self.widget.calculateSlitSize, data) |
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| 94 | |
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[0532d7c1] | 95 | |
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| 96 | if __name__ == "__main__": |
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| 97 | unittest.main() |
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