Method testRadiusNthSelector

tests/test_selectors.py:638–711

(self)

        self.assertEqual(1, len(fl))

    def testRadiusNthSelector(self):

        # test the key method behaves
        rad = 2.3
        arc = Edge.makeCircle(radius=rad)
        sel = selectors.RadiusNthSelector(0)
        self.assertAlmostEqual(rad, sel.key(arc), 3)
        line = Edge.makeLine(Vector(0, 0, 0), Vector(1, 1, 1))
        with self.assertRaises(ValueError):
            sel.key(line)
        solid = makeUnitCube()
        with self.assertRaises(ValueError):
            sel.key(solid)

        part = (
            Workplane()
            .box(10, 10, 1)
            .edges(">(1, 1, 0) and |Z")
            .fillet(1)
            .edges(">(-1, 1, 0) and |Z")
            .fillet(1)
            .edges(">(-1, -1, 0) and |Z")
            .fillet(2)
            .edges(">(1, -1, 0) and |Z")
            .fillet(3)
            .faces(">Z")
        )
        # smallest radius is 1.0
        self.assertAlmostEqual(
            part.edges(selectors.RadiusNthSelector(0)).val().radius(), 1.0
        )
        # there are two edges with the smallest radius
        self.assertEqual(len(part.edges(selectors.RadiusNthSelector(0)).vals()), 2)
        # next radius is 2.0
        self.assertAlmostEqual(
            part.edges(selectors.RadiusNthSelector(1)).val().radius(), 2.0
        )
        # largest radius is 3.0
        self.assertAlmostEqual(
            part.edges(selectors.RadiusNthSelector(-1)).val().radius(), 3.0
        )
        # accessing index 3 should be an IndexError
        with self.assertRaises(IndexError):
            part.edges(selectors.RadiusNthSelector(3))
        # reversed
        self.assertAlmostEqual(
            part.edges(selectors.RadiusNthSelector(0, directionMax=False))
            .val()
            .radius(),
            3.0,
        )

        # test the selector on wires
        wire_circles = (
            Workplane()
            .circle(2)
            .moveTo(10, 0)
            .circle(2)