31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
import unittest
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from freecad import app
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from freecad import part
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from freecad.gears.basegear import helical_extrusion
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class GearTests(unittest.TestCase):
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def test_helical_extrusion(self):
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"""check if helical extrusion is working correctly"""
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normal = app.Vector(0, 0, 1)
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midpoint = app.Vector(0, 0, 0)
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radius = 10
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height = 10
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rotation = 3.1415926535 / 4
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circle = part.Circle(midpoint, normal, radius)
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face = part.Face(part.Wire(circle.toShape()))
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solid = helical_extrusion(face, height, rotation)
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# face 0 is the cylinder
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# face 1 is pointing in positive z direction
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# face 2 is pointing in negative z direction
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self.assertTrue((solid.Faces[1].normalAt(0,0) - normal).Length < 10e-15)
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self.assertTrue((solid.Faces[2].normalAt(0,0) + normal).Length < 10e-15)
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self.assertTrue(solid.Faces[1].valueAt(0,0)[2] - height < 10e-15)
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self.assertTrue(solid.Faces[2].valueAt(0,0)[2] - 0. < 10e-15)
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if __name__ == "__main__":
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unittest.main(verbosity=4) |