added curves fuse test on step model S39 that exhibits the composite curve issue.

It requires the env variable MAGIX3D_TEST_DATA_DIR to be set

Author: nicolaslg

test_link/CMakeLists.txt

@@ -7,6 +7,7 @@ enable_testing()
 find_program(PYTEST_LOCATION pytest)
 message("PYTEST_LOCATION= ${PYTEST_LOCATION}")
 message("ENVIRONMENT PYTHONPATH ${PYTHONPATH}")
+message("ENVIRONMENT MAGIX3D_TEST_DATA_DIR ${MAGIX3D_TEST_DATA_DIR}")
 #message("ENVIRONMENT PYTHONPATH ${CMAKE_PREFIX_PATH}/lib/python3.10/site-packages:$PYTHONPATH")
 
 add_test(NAME test_link

test_link/test_curves_fuse.py

@@ -0,0 +1,28 @@
+import os
+import pyMagix3D as Mgx3D
+
+step_file_name = "mambo/Simple/S39.step"
+
+def test_curves_fuse_s45():
+    ctx = Mgx3D.getStdContext()
+    ctx.clearSession() # Clean the session after the previous test
+    gm = ctx.getGeomManager ()
+    tm = ctx.getTopoManager ()
+
+    magix3d_test_data_dir = os.environ['MAGIX3D_TEST_DATA_DIR']
+    full_path = os.path.join(magix3d_test_data_dir, step_file_name)
+
+    ctx.setLengthUnit(Mgx3D.Unit.meter)
+    gm.importSTEP(full_path)
+    assert gm.getNbVolumes()==1
+
+    gm.joinSurfaces(["Surf0000","Surf0006"])
+    gm.joinCurves (["Crb0000","Crb0001","Crb0023"])
+    gm.joinCurves (["Crb0022","Crb0003"])
+    tm.newFreeBoundedTopoInGroup ("aaa", 3, ["Crb0047","Crb0048"])
+    tm.setGeomAssociation (["Som0003","Som0007"], "Crb0047", True)
+    tm.setGeomAssociation (["Ar0011"], "Crb0047", True)
+
+    # This command fails with
+    # [Erreur interne] La courbe Crb0047 est une courbe composée ce qui ne permet pas de trouver les points en fonction d'une paramétrisation
+    #ctx.getMeshManager().newAllBlocksMesh()