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Merge pull request #184 from precice/fenics-adapter-v2.2.0
Release v2.2.0
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| from unittest.mock import MagicMock | ||
| from unittest import TestCase | ||
| from fenics import FunctionSpace, UnitSquareMesh, Expression, interpolate | ||
| from fenicsprecice.solverstate import SolverState | ||
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| class TestCheckpointing(TestCase): | ||
| def test_solverstate_basic(self): | ||
| """ | ||
| Check if correct values are read from the checkpoint, while the state of the object that is copied is not changed | ||
| """ | ||
| n = 1 | ||
| size = 5 | ||
| mesh = UnitSquareMesh(size, size) | ||
| V = FunctionSpace(mesh, 'P', 2) | ||
| dummy_value = 1 | ||
| E = Expression("t", t=dummy_value, degree=2) | ||
| u = interpolate(E, V) | ||
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| # "write checkpoint" | ||
| sstate = SolverState(u, dummy_value, n) | ||
| # "read checkpoint" | ||
| u_cp, t_cp, n_cp = sstate.get_state() | ||
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| # check values | ||
| self.assertEqual(t_cp, dummy_value) | ||
| self.assertEqual(n, n_cp) | ||
| # function should be the same everywhere (-> check vector values of the function) | ||
| vec_u = u.vector() | ||
| vec_u_cp = u_cp.vector() | ||
| for i in range(size * size): | ||
| self.assertAlmostEqual(vec_u[i], vec_u_cp[i]) | ||
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| def test_solverstate_modification_vector(self): | ||
| """ | ||
| Check if correct values are read from the checkpoint, if the dof vector of the dolfin functions are changed directly | ||
| Motivation for this test: Related to https://github.com/precice/fenics-adapter/pull/172 and https://github.com/precice/tutorials/pull/554 | ||
| """ | ||
| n = 1 | ||
| size = 5 | ||
| mesh = UnitSquareMesh(size, size) | ||
| V = FunctionSpace(mesh, 'P', 2) | ||
| ref_value = 1 | ||
| E = Expression("t", t=ref_value, degree=2) | ||
| u = interpolate(E, V) | ||
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| # "write checkpoint" | ||
| sstate = SolverState(u, ref_value, n) | ||
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| # modify state of u | ||
| dummy_value = ref_value + 2 | ||
| u.vector()[:] = dummy_value | ||
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| # "read checkpoint" | ||
| u_cp, _, _ = sstate.get_state() | ||
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| # check values | ||
| # function should be the same everywhere | ||
| # (so the vector values should all be ref_value) | ||
| vec_u_cp = u_cp.vector() | ||
| for i in range(size * size): | ||
| self.assertAlmostEqual(ref_value, vec_u_cp[i]) | ||
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| def test_solverstate_modification_assign(self): | ||
| """ | ||
| Check if correct values are read from the checkpoint, if the dof of the dolfin functions are changed with the assign function | ||
| and not directly via the dof vector | ||
| """ | ||
| n = 1 | ||
| size = 5 | ||
| mesh = UnitSquareMesh(size, size) | ||
| V = FunctionSpace(mesh, 'P', 2) | ||
| ref_value = 1 | ||
| E = Expression("t", t=ref_value, degree=2) | ||
| u = interpolate(E, V) | ||
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| # "write checkpoint" | ||
| sstate = SolverState(u, ref_value, n) | ||
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| # modify state of u | ||
| # "compute" new solution | ||
| dummy_value = ref_value + 2 | ||
| E.t = dummy_value | ||
| u2 = interpolate(E, V) | ||
| u.assign(u2) | ||
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| # "read checkpoint" | ||
| u_cp, _, _ = sstate.get_state() | ||
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| # check values | ||
| # function should be the same everywhere | ||
| # (so the vector values should all be ref_value) | ||
| vec_u_cp = u_cp.vector() | ||
| for i in range(size * size): | ||
| self.assertAlmostEqual(ref_value, vec_u_cp[i]) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| # Dockerfile to build a ubuntu image containing the installed Debian package of a release | ||
| FROM ubuntu:24.04 | ||
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| # Add the precice user to run test with mpi | ||
| RUN useradd -m -s /bin/bash precice | ||
| ENV PRECICE_USER=precice | ||
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| # Installing necessary dependencies | ||
| RUN apt-get -qq update && \ | ||
| apt-get -qq install software-properties-common && \ | ||
| add-apt-repository -y ppa:fenics-packages/fenics && \ | ||
| apt-get -qq update && \ | ||
| apt-get -qq install --no-install-recommends fenics python3-pip && \ | ||
| rm -rf /var/lib/apt/lists/* |