93 lines
2.6 KiB
Python
93 lines
2.6 KiB
Python
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from typing import List, Tuple
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import numpy
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import pytest
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PRNG = numpy.random.RandomState(12345)
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#####################################
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# Test fixtures
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#####################################
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@pytest.fixture(scope='module',
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params=[(5, 5, 1),
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(5, 1, 5),
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(5, 5, 5),
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#(7, 7, 7),
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])
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def shape(request):
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yield (3, *request.param)
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@pytest.fixture(scope='module', params=[1.0, 1.5])
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def epsilon_bg(request):
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yield request.param
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@pytest.fixture(scope='module', params=[1.0, 2.5])
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def epsilon_fg(request):
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yield request.param
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@pytest.fixture(scope='module', params=['center', '000', 'random'])
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def epsilon(request, shape, epsilon_bg, epsilon_fg):
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is3d = (numpy.array(shape) == 1).sum() == 0
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if is3d:
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if request.param == '000':
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pytest.skip('Skipping 000 epsilon because test is 3D (for speed)')
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if epsilon_bg != 1:
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pytest.skip('Skipping epsilon_bg != 1 because test is 3D (for speed)')
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if epsilon_fg not in (1.0, 2.0):
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pytest.skip('Skipping epsilon_fg not in (1, 2) because test is 3D (for speed)')
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epsilon = numpy.full(shape, epsilon_bg, dtype=float)
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if request.param == 'center':
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epsilon[:, shape[1]//2, shape[2]//2, shape[3]//2] = epsilon_fg
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elif request.param == '000':
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epsilon[:, 0, 0, 0] = epsilon_fg
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elif request.param == 'random':
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epsilon[:] = PRNG.uniform(low=min(epsilon_bg, epsilon_fg),
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high=max(epsilon_bg, epsilon_fg),
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size=shape)
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yield epsilon
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@pytest.fixture(scope='module', params=[1.0])#, 1.5])
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def j_mag(request):
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yield request.param
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@pytest.fixture(scope='module', params=['center', 'random'])
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def j_distribution(request, shape, j_mag):
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j = numpy.zeros(shape)
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if request.param == 'center':
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j[:, shape[1]//2, shape[2]//2, shape[3]//2] = j_mag
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elif request.param == '000':
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j[:, 0, 0, 0] = j_mag
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elif request.param == 'random':
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j[:] = PRNG.uniform(low=-j_mag, high=j_mag, size=shape)
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yield j
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@pytest.fixture(scope='module', params=[1.0, 1.5])
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def dx(request):
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yield request.param
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@pytest.fixture(scope='module', params=['uniform'])
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def dxes(request, shape, dx):
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if request.param == 'uniform':
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dxes = [[numpy.full(s, dx) for s in shape[1:]] for _ in range(2)]
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yield dxes
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@pytest.fixture(scope='module',
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params=[(0, 4, 8),
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#(0,),
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]
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)
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def j_steps(request):
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yield request.param
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