Test setMaxDeg

Author: mahgadalla

bladex/blade.py

@@ -530,6 +530,9 @@ def generate_iges(self,
         from OCC.BRepOffsetAPI import BRepOffsetAPI_ThruSections
         from OCC.BRepExtrema import BRepExtrema_DistShapeShape
 
+        if maxDeg <= 0:
+            raise ValueError('maxDeg argument must be a positive integer.')
+
         if upper_face:
             self._check_string(filename=upper_face)
             # Initializes ThruSections algorithm for building a shell passing
@@ -610,7 +613,6 @@ def generate_iges(self,
             self._check_string(filename=tip)
             generator = BRepOffsetAPI_ThruSections(False, False, 1e-10)
             generator.SetMaxDegree(maxDeg)
-
             # npoints_up == npoints_down
             npoints = len(self.blade_coordinates_down[-1][0])
             vertices_1 = TColgp_HArray1OfPnt(1, npoints)

tests/test_blade.py

@@ -499,6 +499,18 @@ def test_iges_blade_tip_generate(self):
         self.assertTrue(os.path.isfile('tests/test_datasets/tip.iges'))
         self.addCleanup(os.remove, 'tests/test_datasets/tip.iges')
 
+    def test_iges_blade_maxDeg_exception(self):
+        blade = create_sample_blade_NACA()
+        blade.apply_transformations()
+        with self.assertRaises(ValueError):
+            blade.generate_iges(
+                upper_face=None,
+                lower_face=None,
+                tip=None,
+                maxDeg=-1,
+                display=False,
+                errors=None)
+
     def test_iges_errors_exception(self):
         blade = create_sample_blade_NACA()
         blade.apply_transformations()