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simple test setup

This commit is contained in:
Martin Diehl 2023-01-15 13:45:39 +01:00
parent 1924df6c3e
commit 907b01e9f3
1 changed files with 13 additions and 1 deletions
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14
python/tests/test_grid_filters.py
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@ -88,13 +88,25 @@ class TestGridFilters:
@pytest.mark.parametrize('function',[grid_filters.displacement_fluct_point, @pytest.mark.parametrize('function',[grid_filters.displacement_fluct_point,
grid_filters.displacement_fluct_node]) grid_filters.displacement_fluct_node])
def test_displacement_fluct_vanishes(self,function): def test_displacement_fluct_vanishes_avg(self,function):
"""Ensure that constant F does not result in fluctuating displacement.""" # noqa """Ensure that constant F does not result in fluctuating displacement.""" # noqa
size = np.random.random(3) size = np.random.random(3)
cells = np.random.randint(8,32,(3)) cells = np.random.randint(8,32,(3))
F = np.broadcast_to(np.random.random((3,3)), tuple(cells)+(3,3)) F = np.broadcast_to(np.random.random((3,3)), tuple(cells)+(3,3))
assert np.allclose(function(size,F),0.0) assert np.allclose(function(size,F),0.0)
def test_displacement_fluct_vanishes_plus_minus(self):
F = np.eye(3)
F_c = F.copy()
F_t = F.copy()
F_c[0,0] = 0.8
F_t[0,0] = 1.2
F_no_avg = np.concatenate([np.broadcast_to(_,(10,20,20,3,3)) for _ in [F_t,F_c]])
assert np.allclose(grid_filters.displacement_point([1,1,1],F_no_avg),
grid_filters.displacement_fluct_point([1,1,1],F_no_avg))
@pytest.mark.parametrize('function',[grid_filters.cellsSizeOrigin_coordinates0_point, @pytest.mark.parametrize('function',[grid_filters.cellsSizeOrigin_coordinates0_point,
grid_filters.cellsSizeOrigin_coordinates0_node]) grid_filters.cellsSizeOrigin_coordinates0_node])
def test_invalid_coordinates(self,function): def test_invalid_coordinates(self,function):