Method test_mirror_equivalence

tests/test_workplanes.py:208–235

test that the plane string, plane normal and face object perform a mirror operation in the same way

(self)

        self.assertAlmostEqual(b2.findSolid().Volume(), 8, 5)

    def test_mirror_equivalence(self):
        """test that the plane string, plane normal and face object perform a mirror operation in the same way"""
        boxes = []
        boxDims = 1
        for i in range(3):  # create 3 sets of identical boxes
            boxTmp = Workplane("XY").box(boxDims, boxDims, boxDims)
            boxTmp = boxTmp.translate([i * 2, 0, boxDims / 2])
            boxes.append(boxTmp)

        # 3 different types of plane definition
        planeArg = ["XY", (0, 0, 1), boxes[0].faces("<Z")]
        planeOffset = (0, 0, 0.5)  # use the safe offset for each
        boxResults = []  # store the resulting mirrored objects
        for b, p in zip(boxes, planeArg):
            boxResults.append(b.mirror(p, planeOffset, union=True))

        # all resulting boxes should be equal to each other
        for i in range(len(boxResults) - 1):
            curBoxDims = boxResults[i].findSolid().BoundingBox()  # get bbox dims
            nextBoxDims = boxResults[i + 1].findSolid().BoundingBox()  # get bbox dims
            cbd = (curBoxDims.xlen, curBoxDims.ylen, curBoxDims.zlen)
            nbd = (nextBoxDims.xlen, nextBoxDims.ylen, nextBoxDims.zlen)
            self.assertTupleAlmostEquals(cbd, nbd, 4)
            self.assertAlmostEqual(
                boxResults[i].findSolid().Volume(),
                boxResults[i + 1].findSolid().Volume(),
                5,
            )

    def test_mirror_face(self):
        """Create a triangle and mirror into a unit box"""