source: sasview/park_integration/test/small_test.py @ 3e852ef5

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 3e852ef5 was af4af5a, checked in by Gervaise Alina <gervyh@…>, 16 years ago

make modification on testing

  • Property mode set to 100644
File size: 1.7 KB
Line 
1"""
2    Unit tests for fitting module
3"""
4import unittest
5from sans.guitools.plottables import Theory1D
6from sans.guitools.plottables import Data1D
7from sans.fit.AbstractFitEngine import Data, Model,FitData1D
8import math
9from sans.fit.Fitting import Fit
10from DataLoader.loader import Loader
11
12class testFitModule(unittest.TestCase):
13    """ test fitting """
14    def test_park(self):
15        """ Simple cylinder model fit (park)  """
16       
17        out=Loader().load("cyl_400_20.txt")
18        data1 = Data1D(x=out.x, y=out.y, dx=out.dx, dy=out.y)
19       
20        fitter = Fit('park')
21        # Receives the type of model for the fitting
22        from sans.models.CylinderModel import CylinderModel
23        model1  = CylinderModel()
24        model1.setParam('contrast', 1)
25        data1.smearer = None
26        data = FitData1D(data1)
27        model = Model(model1)
28       
29        pars1 =['length','radius','scale']
30        fitter.set_data(data,1)
31        model.set( scale=1e-10 )
32        fitter.set_model(model,1,pars1)
33        fitter.select_problem_for_fit(Uid=1,value=1)
34        result1 = fitter.fit()
35       
36        self.assert_(result1)
37        self.assertTrue(len(result1.pvec)>0 or len(result1.pvec)==0 )
38        self.assertTrue(len(result1.stderr)> 0 or len(result1.stderr)==0)
39       
40        #print result1.pvec[0]-400.0, result1.pvec[0]
41        #print math.fabs(result1.pvec[0]-400.0)/3.0
42        self.assertTrue( math.fabs(result1.pvec[0]-400.0)/3.0 < result1.stderr[0] )
43        self.assertTrue( math.fabs(result1.pvec[1]-20.0)/3.0  < result1.stderr[1] )
44        self.assertTrue( math.fabs(result1.pvec[2]-9.0e-12)/3.0   < result1.stderr[2] )
45        self.assertTrue( result1.fitness < 1.0 )
46       
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