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"""Unit tests for assembly"""
# Copyright (C) 2018 Jorgen S. Dokken
#
# This file is part of DOLFIN.
#
# DOLFIN is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# DOLFIN is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
#
import pytest
import numpy
from dolfin import *
from dolfin_utils.test import fixture, skip_in_parallel
@skip_in_parallel
def test_mesh_adaptation():
mesh = UnitSquareMesh(10,10)
rmesh = adapt(mesh)
assert(numpy.isclose(mesh.hmax()/rmesh.hmax(), 2))
@skip_in_parallel
def test_cell_function_adaptation():
mesh = UnitSquareMesh(10,10)
rmesh = adapt(mesh)
mf = MeshFunction("size_t", mesh, mesh.topology().dim())
rmesh = adapt(mesh)
rmf = adapt(mf,rmesh)
assert(rmf.size() / mf.size() == 4)
@skip_in_parallel
def test_facet_function_adaptation():
# Facet Function refinement needs global parameter
parameters["refinement_algorithm"] = "plaza_with_parent_facets"
mesh = UnitSquareMesh(10,10)
rmesh = adapt(mesh)
mf = MeshFunction("size_t", mesh, mesh.topology().dim()-1)
rmf = adapt(mf, rmesh)
assert(len(rmf.array())/len(mf.array())==3.875)
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