From f6ec6d8fff619bdbc569e88cc48db20d74c2020e Mon Sep 17 00:00:00 2001 From: Stan Seibert Date: Fri, 19 Aug 2011 12:10:55 -0400 Subject: Rename test scripts so nose will find them. --- tests/propagation.py | 53 ---------------------------------------------------- 1 file changed, 53 deletions(-) delete mode 100644 tests/propagation.py (limited to 'tests/propagation.py') diff --git a/tests/propagation.py b/tests/propagation.py deleted file mode 100644 index 331242b..0000000 --- a/tests/propagation.py +++ /dev/null @@ -1,53 +0,0 @@ -import unittest -import numpy as np - -from chroma.geometry import Solid, Geometry -from chroma.make import box -from chroma.sim import Simulation -from chroma.optics import vacuum -from chroma.event import Photons - -class TestPropagation(unittest.TestCase): - def testAbort(self): - '''Photons that hit a triangle at normal incidence should not abort. - - Photons that hit a triangle at exactly normal incidence can sometimes produce a dot product - that is outside the range allowed by acos(). Trigger these with axis aligned photons in a box - ''' - - # Setup geometry - cube = Geometry() - cube.add_solid(Solid(box(100,100,100), vacuum, vacuum)) - cube.pmtids = [0] - sim = Simulation(cube, vacuum, bvh_bits=4, geant4_processes=0, - use_cache=False) - - # Create initial photons - nphotons = 10000 - positions = np.tile([0,0,0], (nphotons,1)).astype(np.float32) - directions = np.tile([0,0,1], (nphotons,1)).astype(np.float32) - polarizations = np.zeros_like(positions) - phi = np.random.uniform(0, 2*np.pi, nphotons).astype(np.float32) - polarizations[:,0] = np.cos(phi) - polarizations[:,1] = np.sin(phi) - times = np.zeros(nphotons, dtype=np.float32) - wavelengths = np.empty(nphotons, np.float32) - wavelengths.fill(400.0) - - photons = Photons(positions=positions, directions=directions, polarizations=polarizations, - times=times, wavelengths=wavelengths) - - # First make one step to check for strangeness - photon_stop = sim.propagate_photons(photons, max_steps=1) - self.assertFalse(np.isnan(photon_stop.positions).any()) - self.assertFalse(np.isnan(photon_stop.directions).any()) - self.assertFalse(np.isnan(photon_stop.polarizations).any()) - self.assertFalse(np.isnan(photon_stop.times).any()) - self.assertFalse(np.isnan(photon_stop.wavelengths).any()) - - # Now let it run the usual ten steps - photon_stop = sim.propagate_photons(photons, max_steps=10) - aborted = (photon_stop.histories & (1 << 31)) > 0 - print 'aborted photons: %1.1f' % (float(np.count_nonzero(aborted)) / nphotons) - self.assertFalse(aborted.any()) - -- cgit