def test_load_grid():
gr = Grid()
gr.load('test_create_grid.vtk')
ncells = gr.getNumberOfCells()
print(f'ncells = {ncells}')
assert ncells == 2
def test_load_grid():
gr = Grid()
filename = str(DATA_DIR / Path('test_create_grid.vtk'))
gr.load(filename)
ncells = gr.getNumberOfCells()
print(f'ncells = {ncells}')
assert (ncells == 2)
num_bad_cells = gr.check()
assert (num_bad_cells == 0)
points = gr.getPoints()
assert (points.shape[0] == ncells)
assert (points.shape[1] == 4)
assert (points.shape[2] == 3)