def test_simulate_detector_mips_no_interaction(self, mock_expovariate):
p = np.array([10e6])
theta = np.array([0.])
# force no interaction
mock_expovariate.side_effect = [1e6, 1e3]
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
# no interaction because after projected depth
mock_expovariate.side_effect = [4, 5]
theta = np.array([1])
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
# interactions are to late because of max depth
mock_expovariate.side_effect = [120, 125]
theta = np.array([1.555]) # projected depth would be 126 cm
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
# no interaction with multiple inclined gammas each with to long
# interaction depth.
# test mostly to prevent accidental growing of depth in loop
n = 30
mock_expovariate.side_effect = [4, 5] * n
p = np.array([10e6] * n)
theta = np.array([1.] * n) # projected depth would be 126 cm
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
def test_simulate_detector_mips_no_interaction(self, mock_expovariate):
p = np.array([10e6])
theta = np.array([0.])
# force no interaction
mock_expovariate.side_effect = [1e6, 1e3]
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
# no interaction because after projected depth
mock_expovariate.side_effect = [4, 5]
theta = np.array([1])
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
# interactions are to late because of max depth
mock_expovariate.side_effect = [120, 125]
theta = np.array([1.555]) # projected depth would be 126 cm
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
# no interaction with multiple inclined gammas each with to long
# interaction depth.
# test mostly to prevent accidental growing of depth in loop
n = 30
mock_expovariate.side_effect = [4, 5] * n
p = np.array([10e6] * n)
theta = np.array([1.] * n) # projected depth would be 126 cm
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
def test_simulate_detector_mips_gammas_pair(self, mock_l_compton, mock_l_pair, mock_compton):
# Force pair production
mock_l_compton.return_value = 1e50
mock_l_pair.return_value = 1e-3
mock_compton.return_value = 42.
energies = np.array([10., 7.]) # MeV
p = energies * 1e6 # eV
theta = np.array([0.])
for _ in range(100):
mips = gammas.simulate_detector_mips_gammas(p, theta)
self.assertFalse(mock_compton.called)
self.assertLessEqual(mips, gammas.MAX_E)
# not enough energy for pair production
energies = np.array([0.5, 0.7]) # MeV
p = energies * 1e6 # eV
theta = np.array([0., 0.])
for _ in range(100):
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
def test_simulate_detector_mips_gammas_compton(self, mock_l_compton, mock_l_pair, mock_compton):
# Force compton scattering
mock_l_compton.return_value = 1e-3
mock_l_pair.return_value = 1e50
mock_compton.return_value = 1.
p = np.array([10])
theta = np.array([0.])
mips = gammas.simulate_detector_mips_gammas(p, theta)
mock_compton.assert_called_once_with(10. / 1e6)
self.assertLessEqual(mips, gammas.MAX_E)
def test_simulate_detector_mips_gammas_pair(self, mock_l_compton, mock_l_pair, mock_compton):
# Force pair production
mock_l_compton.return_value = 1e50
mock_l_pair.return_value = 1e-3
mock_compton.return_value = 42.
energies = np.array([10., 7.]) # MeV
p = energies * 1e6 # eV
theta = np.array([0.])
for _ in range(100):
mips = gammas.simulate_detector_mips_gammas(p, theta)
self.assertFalse(mock_compton.called)
self.assertLessEqual(mips, gammas.MAX_E)
# not enough energy for pair production
energies = np.array([0.5, 0.7]) # MeV
p = energies * 1e6 # eV
theta = np.array([0., 0.])
for _ in range(100):
self.assertEqual(gammas.simulate_detector_mips_gammas(p, theta), 0)
def test_simulate_detector_mips_gammas_compton(self, mock_l_compton, mock_l_pair, mock_compton):
# Force compton scattering
mock_l_compton.return_value = 1e-3
mock_l_pair.return_value = 1e50
mock_compton.return_value = 1.
p = np.array([10])
theta = np.array([0.])
mips = gammas.simulate_detector_mips_gammas(p, theta)
mock_compton.assert_called_once_with(10. / 1e6)
self.assertLessEqual(mips, gammas.MAX_E)