Fix test not to use Opencascade

Signed-off-by: Umberto Zerbinati <umberto.zerbinati@maths.ox.ac.uk>

Dockerfile

@@ -9,6 +9,8 @@ ENV SLEPC_ARCH linux_debug
 #Installing dependencies using aptitude
 RUN apt-get update \
     && apt-get -y install git libopenmpi-dev build-essential cmake wget libssl-dev python3 python3-distutils python3-tk libpython3-dev libxmu-dev tk-dev tcl-dev g++ libglu1-mesa-dev liblapacke-dev libblas-dev liblapack-dev
+#RUN apt-get update \
+#    && apt-get -y install libocct-data-exchange-dev libocct-draw-dev occt-misc
 #Building cmake
 RUN cd ~ && wget https://github.com/Kitware/CMake/releases/download/v3.27.6/cmake-3.27.6.tar.gz \
     && tar -zxvf cmake-3.27.6.tar.gz \
@@ -57,7 +59,7 @@ RUN mkdir -p ~/ngsuite \
            && mkdir ~/ngsuite/ngsolve-build \
            && mkdir ~/ngsuite/ngsolve-install \
            && cd ~/ngsuite/ngsolve-build \
-           && cmake -DCMAKE_INSTALL_PREFIX=~/ngsuite/ngsolve-install ~/ngsuite/ngsolve-src -DUSE_MPI=ON -DBUILD_OCC=ON\
+           && cmake -DCMAKE_INSTALL_PREFIX=~/ngsuite/ngsolve-install ~/ngsuite/ngsolve-src -DUSE_MPI=ON -DUSE_OCC=OFF \
            && make && make install
 #Adding NGS to PYTHONPATH
 ENV PYTHONPATH /root/petsc/linux_debug/lib:/root/slepc/linux_debug/lib:/root/ngsuite/ngsolve-install/lib/python3.10/site-packages

tests/test_snes.py

@@ -58,16 +58,13 @@ def test_snes_elastic_beam_newtonls():
     This test run only in serial becasue variational energy as objective only works
     in serial, please use objective=False in parallel. 
     '''
-    from netgen.occ import Rectangle, OCCGeometry, X, Y
+    from netgen.geom2d import SplineGeometry
     if COMM_WORLD.rank == 0:
-        shape = Rectangle(1,0.1).Face()
-        shape.edges.Min(X).name="left"
-        shape.edges.Min(X).maxh=0.01
-        shape.edges.Max(X).name="right"
-        shape.edges.Min(Y).name="bot"
-        shape.edges.Max(Y).name="top"
-        geom = OCCGeometry(shape, dim=2)
-        mesh = Mesh(geom.GenerateMesh(maxh=0.05).Distribute(COMM_WORLD))
+        geo = SplineGeometry()
+        pnums = [ geo.AddPoint (x,y,maxh=0.01) for x,y in [(0,0), (1,0), (1,0.1), (0,0.1)] ]
+        for p1,p2,bc in [(0,1,"bot"), (1,2,"right"), (2,3,"top"), (3,0,"left")]:
+            geo.Append(["line", pnums[p1], pnums[p2]], bc=bc)
+        mesh = Mesh(geo.GenerateMesh(maxh=0.05).Distribute(COMM_WORLD))
     else:
         mesh = Mesh(ngm.Mesh.Receive(COMM_WORLD))
     # E module and poisson number: