147 lines
5.7 KiB
Python
147 lines
5.7 KiB
Python
import os
|
|
import filecmp
|
|
import time
|
|
|
|
import pytest
|
|
import numpy as np
|
|
|
|
from damask import VTK
|
|
from damask import grid_filters
|
|
|
|
@pytest.fixture
|
|
def reference_dir(reference_dir_base):
|
|
"""Directory containing reference results."""
|
|
return reference_dir_base/'VTK'
|
|
|
|
@pytest.fixture
|
|
def default():
|
|
"""Simple VTK."""
|
|
grid = np.array([5,6,7],int)
|
|
size = np.array([.6,1.,.5])
|
|
return VTK.from_rectilinearGrid(grid,size)
|
|
|
|
class TestVTK:
|
|
|
|
@pytest.fixture(autouse=True)
|
|
def _execution_stamp(self, execution_stamp):
|
|
print('patched damask.util.execution_stamp')
|
|
|
|
def test_rectilinearGrid(self,tmp_path):
|
|
grid = np.random.randint(5,10,3)*2
|
|
size = np.random.random(3) + 1.0
|
|
origin = np.random.random(3)
|
|
v = VTK.from_rectilinearGrid(grid,size,origin)
|
|
string = v.__repr__()
|
|
v.to_file(tmp_path/'rectilinearGrid',False)
|
|
vtr = VTK.from_file(tmp_path/'rectilinearGrid.vtr')
|
|
with open(tmp_path/'rectilinearGrid.vtk','w') as f:
|
|
f.write(string)
|
|
vtk = VTK.from_file(tmp_path/'rectilinearGrid.vtk','VTK_rectilinearGrid')
|
|
assert(string == vtr.__repr__() == vtk.__repr__())
|
|
|
|
def test_polyData(self,tmp_path):
|
|
points = np.random.rand(100,3)
|
|
v = VTK.from_polyData(points)
|
|
string = v.__repr__()
|
|
v.to_file(tmp_path/'polyData',False)
|
|
vtp = VTK.from_file(tmp_path/'polyData.vtp')
|
|
with open(tmp_path/'polyData.vtk','w') as f:
|
|
f.write(string)
|
|
vtk = VTK.from_file(tmp_path/'polyData.vtk','polyData')
|
|
assert(string == vtp.__repr__() == vtk.__repr__())
|
|
|
|
@pytest.mark.parametrize('cell_type,n',[
|
|
('VTK_hexahedron',8),
|
|
('TETRA',4),
|
|
('quad',4),
|
|
('VTK_TRIANGLE',3)
|
|
]
|
|
)
|
|
def test_unstructuredGrid(self,tmp_path,cell_type,n):
|
|
nodes = np.random.rand(n,3)
|
|
connectivity = np.random.choice(np.arange(n),n,False).reshape(-1,n)
|
|
v = VTK.from_unstructuredGrid(nodes,connectivity,cell_type)
|
|
string = v.__repr__()
|
|
v.to_file(tmp_path/'unstructuredGrid',False)
|
|
vtu = VTK.from_file(tmp_path/'unstructuredGrid.vtu')
|
|
with open(tmp_path/'unstructuredGrid.vtk','w') as f:
|
|
f.write(string)
|
|
vtk = VTK.from_file(tmp_path/'unstructuredGrid.vtk','unstructuredgrid')
|
|
assert(string == vtu.__repr__() == vtk.__repr__())
|
|
|
|
|
|
def test_parallel_out(self,tmp_path):
|
|
points = np.random.rand(102,3)
|
|
v = VTK.from_polyData(points)
|
|
fname_s = tmp_path/'single.vtp'
|
|
fname_p = tmp_path/'parallel.vtp'
|
|
v.to_file(fname_s,False)
|
|
v.to_file(fname_p,True)
|
|
for i in range(10):
|
|
if os.path.isfile(fname_p) and filecmp.cmp(fname_s,fname_p):
|
|
assert(True)
|
|
return
|
|
time.sleep(.5)
|
|
assert(False)
|
|
|
|
|
|
@pytest.mark.parametrize('name,dataset_type',[('this_file_does_not_exist.vtk', None),
|
|
('this_file_does_not_exist.vtk','vtk'),
|
|
('this_file_does_not_exist.vtx', None)])
|
|
def test_invalid_dataset_type(self,name,dataset_type):
|
|
with pytest.raises(TypeError):
|
|
VTK.from_file(name,dataset_type)
|
|
|
|
def test_invalid_extension_write(self,default):
|
|
with pytest.raises(ValueError):
|
|
default.to_file('default.txt')
|
|
|
|
def test_invalid_get(self,default):
|
|
with pytest.raises(ValueError):
|
|
default.get('does_not_exist')
|
|
|
|
def test_invalid_add_shape(self,default):
|
|
with pytest.raises(ValueError):
|
|
default.add(np.ones(3),'valid')
|
|
|
|
def test_invalid_add_missing_label(self,default):
|
|
data = np.random.randint(9,size=np.prod(np.array(default.vtk_data.GetDimensions())-1))
|
|
with pytest.raises(ValueError):
|
|
default.add(data)
|
|
|
|
def test_invalid_add_type(self,default):
|
|
with pytest.raises(TypeError):
|
|
default.add('invalid_type','valid')
|
|
|
|
def test_comments(self,tmp_path,default):
|
|
default.add_comments(['this is a comment'])
|
|
default.to_file(tmp_path/'with_comments',parallel=False)
|
|
new = VTK.from_file(tmp_path/'with_comments.vtr')
|
|
assert new.get_comments() == ['this is a comment']
|
|
|
|
def test_compare_reference_polyData(self,update,reference_dir,tmp_path):
|
|
points=np.dstack((np.linspace(0.,1.,10),np.linspace(0.,2.,10),np.linspace(-1.,1.,10))).squeeze()
|
|
polyData = VTK.from_polyData(points)
|
|
polyData.add(points,'coordinates')
|
|
if update:
|
|
polyData.to_file(reference_dir/'polyData')
|
|
else:
|
|
reference = VTK.from_file(reference_dir/'polyData.vtp')
|
|
assert polyData.__repr__() == reference.__repr__() and \
|
|
np.allclose(polyData.get('coordinates'),points)
|
|
|
|
def test_compare_reference_rectilinearGrid(self,update,reference_dir,tmp_path):
|
|
grid = np.array([5,6,7],int)
|
|
size = np.array([.6,1.,.5])
|
|
rectilinearGrid = VTK.from_rectilinearGrid(grid,size)
|
|
c = grid_filters.cell_coord0(grid,size).reshape(-1,3,order='F')
|
|
n = grid_filters.node_coord0(grid,size).reshape(-1,3,order='F')
|
|
rectilinearGrid.add(c,'cell')
|
|
rectilinearGrid.add(n,'node')
|
|
if update:
|
|
rectilinearGrid.to_file(reference_dir/'rectilinearGrid')
|
|
else:
|
|
reference = VTK.from_file(reference_dir/'rectilinearGrid.vtr')
|
|
assert rectilinearGrid.__repr__() == reference.__repr__() and \
|
|
np.allclose(rectilinearGrid.get('cell'),c)
|