[b46f285] | 1 | import sys |
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| 2 | import unittest |
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| 3 | import numpy |
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| 4 | |
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| 5 | from PyQt4 import QtGui |
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| 6 | from PyQt4 import QtCore |
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| 7 | from mock import MagicMock |
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| 8 | |
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| 9 | # set up import paths |
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| 10 | import path_prepare |
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| 11 | |
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| 12 | from UnitTesting.TestUtils import QtSignalSpy |
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| 13 | from sas.sasgui.guiframe.dataFitting import Data1D |
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| 14 | import sas.qtgui.Plotter as Plotter |
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| 15 | |
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| 16 | # Local |
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| 17 | from LinearFit import LinearFit |
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| 18 | |
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| 19 | app = QtGui.QApplication(sys.argv) |
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| 20 | |
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| 21 | class LinearFitTest(unittest.TestCase): |
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| 22 | '''Test the LinearFit''' |
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| 23 | def setUp(self): |
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| 24 | '''Create the LinearFit''' |
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| 25 | self.data = Data1D(x=[1.0, 2.0, 3.0], |
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| 26 | y=[10.0, 11.0, 12.0], |
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| 27 | dx=[0.1, 0.2, 0.3], |
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| 28 | dy=[0.1, 0.2, 0.3]) |
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| 29 | plotter = Plotter.Plotter(None, quickplot=True) |
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| 30 | self.widget = LinearFit(parent=plotter, data=self.data, xlabel="log10(x^2)", ylabel="log10(y)") |
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| 31 | |
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| 32 | def tearDown(self): |
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| 33 | '''Destroy the GUI''' |
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| 34 | self.widget.close() |
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| 35 | self.widget = None |
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| 36 | |
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| 37 | def testDefaults(self): |
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| 38 | '''Test the GUI in its default state''' |
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| 39 | self.assertIsInstance(self.widget, QtGui.QDialog) |
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| 40 | self.assertEqual(self.widget.windowTitle(), "Linear Fit") |
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| 41 | self.assertEqual(self.widget.txtA.text(), "1") |
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| 42 | self.assertEqual(self.widget.txtB.text(), "1") |
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| 43 | self.assertEqual(self.widget.txtAerr.text(), "0") |
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| 44 | self.assertEqual(self.widget.txtBerr.text(), "0") |
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| 45 | |
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| 46 | self.assertEqual(self.widget.lblRange.text(), "Fit range of log10(x^2)") |
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| 47 | |
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| 48 | def testFit(self): |
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| 49 | '''Test the fitting wrapper ''' |
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| 50 | # Catch the update signal |
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| 51 | self.widget.parent.emit = MagicMock() |
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| 52 | |
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| 53 | # Set some initial values |
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| 54 | self.widget.txtRangeMin.setText("1.0") |
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| 55 | self.widget.txtRangeMax.setText("3.0") |
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| 56 | self.widget.txtFitRangeMin.setText("1.0") |
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| 57 | self.widget.txtFitRangeMax.setText("3.0") |
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| 58 | # Run the fitting |
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| 59 | self.widget.fit(None) |
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| 60 | return_values = self.widget.parent.emit.call_args[0][1] |
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| 61 | # Compare |
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| 62 | self.assertItemsEqual(return_values[0], [1.0, 3.0]) |
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| 63 | self.assertItemsEqual(return_values[1], [10.004054329087303, 12.030439848443539]) |
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| 64 | |
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| 65 | # Set the log scale |
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| 66 | self.widget.x_is_log = True |
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| 67 | self.widget.fit(None) |
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| 68 | return_values = self.widget.parent.emit.call_args[0][1] |
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| 69 | # Compare |
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| 70 | self.assertItemsEqual(return_values[0], [1.0, 3.0]) |
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| 71 | self.assertItemsEqual(return_values[1], [9.9877329376711437, 11.843650824649025]) |
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| 72 | |
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| 73 | def testOrigData(self): |
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| 74 | ''' Assure the un-logged data is returned''' |
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| 75 | # log(x), log(y) |
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| 76 | self.widget.xminFit, self.widget.xmaxFit = self.widget.range() |
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| 77 | orig_x = [ 1., 2., 3.] |
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| 78 | orig_y = [1.0, 1.0413926851582251, 1.0791812460476249] |
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| 79 | orig_dy = [0.01, 0.018181818181818184, 0.024999999999999998] |
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| 80 | x, y, dy = self.widget.origData() |
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| 81 | |
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| 82 | self.assertItemsEqual(x, orig_x) |
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| 83 | self.assertItemsEqual(y, orig_y) |
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| 84 | self.assertItemsEqual(dy, orig_dy) |
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| 85 | |
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| 86 | # x, y |
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| 87 | self.widget.x_is_log = False |
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| 88 | self.widget.y_is_log = False |
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| 89 | self.widget.xminFit, self.widget.xmaxFit = self.widget.range() |
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| 90 | orig_x = [ 1., 2., 3.] |
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| 91 | orig_y = [10., 11., 12.] |
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| 92 | orig_dy = [0.1, 0.2, 0.3] |
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| 93 | x, y, dy = self.widget.origData() |
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| 94 | |
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| 95 | self.assertItemsEqual(x, orig_x) |
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| 96 | self.assertItemsEqual(y, orig_y) |
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| 97 | self.assertItemsEqual(dy, orig_dy) |
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| 98 | |
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| 99 | # x, log(y) |
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| 100 | self.widget.x_is_log = False |
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| 101 | self.widget.y_is_log = True |
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| 102 | self.widget.xminFit, self.widget.xmaxFit = self.widget.range() |
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| 103 | orig_x = [ 1., 2., 3.] |
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| 104 | orig_y = [1.0, 1.0413926851582251, 1.0791812460476249] |
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| 105 | orig_dy = [0.01, 0.018181818181818184, 0.024999999999999998] |
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| 106 | x, y, dy = self.widget.origData() |
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| 107 | |
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| 108 | self.assertItemsEqual(x, orig_x) |
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| 109 | self.assertItemsEqual(y, orig_y) |
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| 110 | self.assertItemsEqual(dy, orig_dy) |
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| 111 | |
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| 112 | def testCheckFitValues(self): |
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| 113 | '''Assure fit values are correct''' |
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| 114 | # Good values |
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| 115 | self.assertTrue(self.widget.checkFitValues(self.widget.txtFitRangeMin)) |
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| 116 | self.assertEqual(self.widget.txtFitRangeMin.palette().color(10).name(), "#f0f0f0") |
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| 117 | # Bad values |
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| 118 | self.widget.x_is_log = True |
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| 119 | self.widget.txtFitRangeMin.setText("-1.0") |
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| 120 | self.assertFalse(self.widget.checkFitValues(self.widget.txtFitRangeMin)) |
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| 121 | |
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| 122 | |
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| 123 | def testFloatInvTransform(self): |
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| 124 | '''Test the helper method for providing conversion function''' |
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| 125 | self.widget.xLabel="x" |
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| 126 | self.assertEqual(self.widget.floatInvTransform(5.0), 5.0) |
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| 127 | self.widget.xLabel="x^(2)" |
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| 128 | self.assertEqual(self.widget.floatInvTransform(25.0), 5.0) |
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| 129 | self.widget.xLabel="x^(4)" |
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| 130 | self.assertEqual(self.widget.floatInvTransform(81.0), 3.0) |
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| 131 | self.widget.xLabel="log10(x)" |
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| 132 | self.assertEqual(self.widget.floatInvTransform(2.0), 100.0) |
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| 133 | self.widget.xLabel="ln(x)" |
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| 134 | self.assertEqual(self.widget.floatInvTransform(1.0), numpy.exp(1)) |
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| 135 | self.widget.xLabel="log10(x^(4))" |
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| 136 | self.assertEqual(self.widget.floatInvTransform(4.0), 10.0) |
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| 137 | |
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| 138 | if __name__ == "__main__": |
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| 139 | unittest.main() |
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