FEM: unit test, add test to import Fem and FemGui

src/Mod/Fem/CMakeLists.txt

@@ -132,6 +132,7 @@ SET(FemTests_SRCS
     femtest/__init__.py
     femtest/testccxtools.py
     femtest/testcommon.py
+    femtest/testfemimport.py
     femtest/testmaterial.py
     femtest/testmesh.py
     femtest/testobject.py

src/Mod/Fem/TestFem.py

@@ -26,6 +26,7 @@
 
 # Unit test for the FEM module
 # to get the right order import as is used
+from femtest.testfemimport import TestFemImport as FemTest01
 from femtest.testcommon import TestFemCommon as FemTest02
 from femtest.testobject import TestObjectCreate as FemTest03
 from femtest.testobject import TestObjectType as FemTest04
@@ -37,6 +38,7 @@ from femtest.testccxtools import TestCcxTools as FemTest09
 from femtest.testsolverframework import TestSolverFrameWork as FemTest10
 
 # dummy usage to get flake8 and lgtm quiet
+False if FemTest01.__name__ else True
 False if FemTest02.__name__ else True
 False if FemTest03.__name__ else True
 False if FemTest04.__name__ else True
@@ -86,7 +88,11 @@ unittest.TextTestRunner().run(alltest)
 ./bin/FreeCAD --run-test "TestFem"
 ./bin/FreeCADCmd --run-test "TestFem"
 
-# module
+# import Fem and FemGui
+./bin/FreeCAD --run-test "femtest.testfemimport"
+./bin/FreeCADCmd --run-test "femtest.testfemimport"
+
+# other module
 ./bin/FreeCAD --run-test "femtest.testccxtools"
 ./bin/FreeCAD --run-test "femtest.testcommon"
 ./bin/FreeCAD --run-test "femtest.testmaterial"

src/Mod/Fem/femtest/testfemimport.py

@@ -0,0 +1,74 @@
+# ***************************************************************************
+# *   Copyright (c) 2019 - FreeCAD Developers                               *
+# *   Author: Bernd Hahnebach <bernd@bimstatik.org>                         *
+# *                                                                         *
+# *   This file is part of the FreeCAD CAx development system.              *
+# *                                                                         *
+# *   This program is free software; you can redistribute it and/or modify  *
+# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
+# *   as published by the Free Software Foundation; either version 2 of     *
+# *   the License, or (at your option) any later version.                   *
+# *   for detail see the LICENCE text file.                                 *
+# *                                                                         *
+# *   FreeCAD 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 Library General Public License for more details.                  *
+# *                                                                         *
+# *   You should have received a copy of the GNU Library General Public     *
+# *   License along with FreeCAD; if not, write to the Free Software        *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************/
+
+
+import unittest
+
+import FreeCAD
+from femtest.utilstest import fcc_print
+
+
+class TestFemImport(unittest.TestCase):
+    fcc_print("import TestFemImport")
+
+    # ********************************************************************************************
+    # no is document needed to test import Fem and import FemGui
+    # thus neiter setUp nor tearDown methods are needed
+
+    def test_00print(
+        self
+    ):
+        fcc_print("\n{0}\n{1} run FEM TestFemImport tests {2}\n{0}".format(
+            100 * "*",
+            10 * "*",
+            61 * "*"
+        ))
+
+    # ********************************************************************************************
+    def test_import_fem(
+        self
+    ):
+
+        mod = "Fem"
+        fcc_print("\n  Try importing {0} ...".format(mod))
+        try:
+            im = __import__("{0}".format(mod))
+        except ImportError:
+            im = False
+        if not im:
+            # to get an error message what was going wrong
+            __import__("{0}".format(mod))
+        self.assertTrue(im, "Problem importing {0}".format(mod))
+
+        if FreeCAD.GuiUp:
+            mod = "FemGui"
+            fcc_print("  Try importing {0} ...".format(mod))
+            try:
+                im = __import__("{0}".format(mod))
+            except ImportError:
+                im = False
+            if not im:
+                # to get an error message what was going wrong
+                __import__("{0}".format(mod))
+            self.assertTrue(im, "Problem importing {0}".format(mod))