def test_write_parameters_filename_default(self):
params = IDWParameters()
outfilename = 'parameters_rbf.prm'
outfilename_expected = 'tests/test_datasets/parameters_idw_default.prm'
params.write_parameters(outfilename)
self.assertTrue(filecmp.cmp(outfilename, outfilename_expected))
os.remove(outfilename)
def test_idw_perform_deform(self):
params = IDWParameters()
expected_stretch = [1.19541593, 1.36081491, 1.42095073]
params.read_parameters('tests/test_datasets/parameters_idw_deform.prm')
idw = IDW(params, self.get_cube_mesh_points())
idw.perform()
np.testing.assert_array_almost_equal(idw.modified_mesh_points[-3],
expected_stretch)
def test_read_deformed(self):
params = IDWParameters()
filename = 'tests/test_datasets/parameters_idw_deform.prm'
def_vertices = np.array([[0., 0., 0.], [0., 0., 1.], [0., 1., 0.],
[1., 0., 0.], [0., 1., 1.], [1., 0., 1.],
[1., 1., 0.], [1.5, 1.6, 1.7]])
params.read_parameters(filename)
np.testing.assert_equal(params.deformed_control_points, def_vertices)
def test_idw_perform(self):
params = IDWParameters()
params.read_parameters('tests/test_datasets/parameters_idw_default.prm')
IDW(params, self.get_cube_mesh_points()).perform()
def test_read_not_real_file(self):
params = IDWParameters()
with self.assertRaises(IOError):
params.read_parameters('not_real_file')
def test_read_not_string(self):
params = IDWParameters()
with self.assertRaises(TypeError):
params.read_parameters(5)
def test_read_p(self):
params = IDWParameters()
filename = 'tests/test_datasets/parameters_idw_deform.prm'
params.read_parameters(filename)
assert params.power == 3
def test_class_members_default_deformed_points(self):
params = IDWParameters()
cube_vertices = np.array([[0., 0., 0.], [0., 0., 1.], [0., 1., 0.],
[1., 0., 0.], [0., 1., 1.], [1., 0., 1.],
[1., 1., 0.], [1., 1., 1.]])
np.testing.assert_equal(params.deformed_control_points, cube_vertices)