source: sasview/calculator/test/utest_slit_length_calculator.py @ 395569e7

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change on this file since 395569e7 was 74b1770, checked in by Jae Cho <jhjcho@…>, 14 years ago

added kiessig fringe calculator and fixed slit length by ½ as our definition of slit length

  • Property mode set to 100644
File size: 880 bytes
RevLine 
[0bf2c6f]1"""
2    Unit tests for slit_length_calculator
3"""
4
5import unittest
6from DataLoader.readers.ascii_reader import Reader
7from  sans.calculator.slit_length_calculator import SlitlengthCalculator as calculator
8
9import os.path
10
11class slit_calculator(unittest.TestCase):
12   
13    def setUp(self):
14       
15        self.reader = Reader()
16       
17    def test_slitlength_calculation(self):
18        """
19            Test slit_length_calculator"
20        """
21        f = self.reader.read("beam profile.DAT")
22        cal = calculator()
23        cal.set_data(f.x,f.y)
[9ec4406]24        slitlength = cal.calculate_slit_length()
[0bf2c6f]25       
26        # The value "5.5858" was obtained by manual calculation.
[74b1770]27        # It turns out our slit length is FWHM/2
28        self.assertAlmostEqual(slitlength,5.5858/2, 3)
[0bf2c6f]29       
30       
31if __name__ == '__main__':
32    unittest.main()
33   
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