| 1 | """ |
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| 2 | Unit tests for specific models II |
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| 3 | """ |
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| 4 | |
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| 5 | import unittest, time, math |
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| 6 | |
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| 7 | class TestPerlNecklace(unittest.TestCase): |
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| 8 | """ Unit tests for PerlNecklace """ |
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| 9 | |
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| 10 | def setUp(self): |
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| 11 | from sans.models.PearlNecklaceModel import PearlNecklaceModel |
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| 12 | self.pnl = PearlNecklaceModel() |
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| 13 | from sans.models.SphereModel import SphereModel |
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| 14 | self.sphere = SphereModel() |
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| 15 | from sans.models.BarBellModel import BarBellModel |
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| 16 | self.bar = BarBellModel() |
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| 17 | |
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| 18 | def testwithsphere(self): |
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| 19 | """ Compare 1D model with sphere """ |
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| 20 | self.pnl.setParam("radius", 60) |
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| 21 | self.pnl.setParam("num_pearls", 1) |
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| 22 | self.pnl.setParam("sld_pearl", 2e-06) |
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| 23 | self.pnl.setParam("sld_solv", 1e-06) |
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| 24 | self.assertAlmostEqual(self.pnl.run(0.001), self.sphere.run(0.001), 5) |
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| 25 | self.assertAlmostEqual(self.pnl.run(0.005), self.sphere.run(0.005), 5) |
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| 26 | self.assertAlmostEqual(self.pnl.run(0.01), self.sphere.run(0.01), 5) |
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| 27 | self.assertAlmostEqual(self.pnl.run(0.05), self.sphere.run(0.05), 5) |
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| 28 | self.assertAlmostEqual(self.pnl.run(0.1), self.sphere.run(0.1), 5) |
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| 29 | self.assertAlmostEqual(self.pnl.run(0.5), self.sphere.run(0.5), 5) |
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| 30 | |
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| 31 | def testwithbarbell(self): |
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| 32 | """ |
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| 33 | Compare 1D model with barbell |
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| 34 | |
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| 35 | Note: pearlnecklace assumes infinite thin rod |
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| 36 | """ |
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| 37 | self.pnl.setParam("radius", 20) |
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| 38 | self.pnl.setParam("num_pearls", 2) |
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| 39 | self.pnl.setParam("sld_pearl", 1e-06) |
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| 40 | self.pnl.setParam("sld_string", 1e-06) |
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| 41 | self.pnl.setParam("sld_solv", 6.3e-06) |
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| 42 | self.pnl.setParam("thick_string", 0.1) |
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| 43 | self.pnl.setParam("edge_separation", 400) |
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| 44 | self.bar.setParam("rad_bar", 0.1) |
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| 45 | self.bar.setParam("rad_bell", 20) |
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| 46 | |
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| 47 | self.assertAlmostEqual(self.pnl.run(0.001), self.bar.run(0.001), 1) |
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| 48 | self.assertAlmostEqual(self.pnl.run(0.005), self.bar.run(0.005), 1) |
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| 49 | self.assertAlmostEqual(self.pnl.run(0.01), self.bar.run(0.01), 1) |
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| 50 | self.assertAlmostEqual(self.pnl.run(0.05), self.bar.run(0.05), 1) |
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| 51 | self.assertAlmostEqual(self.pnl.run(0.1), self.bar.run(0.1), 1) |
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| 52 | self.assertAlmostEqual(self.pnl.run(0.5), self.bar.run(0.5), 1) |
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| 53 | |
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| 54 | |
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| 55 | |
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| 56 | if __name__ == '__main__': |
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| 57 | unittest.main() |
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