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Expanded selector tests

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This commit is contained in:
Marcus Boyd
2020-12-11 10:28:49 +10:30
parent a03648c842
commit de2cef9580
1 changed files with 76 additions and 34 deletions
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110
tests/test_selectors.py
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@ -103,20 +103,45 @@ class TestCQSelectors(BaseTest):
def testPerpendicularDirFilter(self):
c = CQ(makeUnitCube())
self.assertEqual(8, c.edges("#Z").size()) # 8 edges are perp. to z
self.assertEqual(4, c.faces("#Z").size()) # 4 faces are perp to z too!
perp_edges = c.edges("#Z")
self.assertEqual(8, perp_edges.size()) # 8 edges are perp. to z
# dot product of perpendicular vectors is zero
for e in perp_edges.vals():
self.assertAlmostEqual(e.tangentAt(0).dot(Vector(0, 0, 1)), 0.0)
perp_faces = c.faces("#Z")
self.assertEqual(4, perp_faces.size()) # 4 faces are perp to z too!
for f in perp_faces.vals():
self.assertAlmostEqual(f.normalAt(None).dot(Vector(0, 0, 1)), 0.0)
def testFaceDirFilter(self):
c = CQ(makeUnitCube())
# a cube has one face in each direction
self.assertEqual(1, c.faces("+Z").size())
self.assertTupleAlmostEquals(
(0, 0, 1), c.faces("+Z").val().Center().toTuple(), 3
)
self.assertEqual(1, c.faces("-Z").size())
self.assertTupleAlmostEquals(
(0, 0, 0), c.faces("-Z").val().Center().toTuple(), 3
)
self.assertEqual(1, c.faces("+X").size())
self.assertEqual(1, c.faces("X").size()) # should be same as +X
self.assertTupleAlmostEquals(
(0.5, 0, 0.5), c.faces("+X").val().Center().toTuple(), 3
)
self.assertEqual(1, c.faces("-X").size())
self.assertTupleAlmostEquals(
(-0.5, 0, 0.5), c.faces("-X").val().Center().toTuple(), 3
)
self.assertEqual(1, c.faces("+Y").size())
self.assertTupleAlmostEquals(
(0, 0.5, 0.5), c.faces("+Y").val().Center().toTuple(), 3
)
self.assertEqual(1, c.faces("-Y").size())
self.assertTupleAlmostEquals(
(0, -0.5, 0.5), c.faces("-Y").val().Center().toTuple(), 3
)
self.assertEqual(0, c.faces("XY").size())
self.assertEqual(1, c.faces("X").size()) # should be same as +X
self.assertEqual(c.faces("+X").val().Center(), c.faces("X").val().Center())
self.assertNotEqual(c.faces("+X").val().Center(), c.faces("-X").val().Center())
@ -124,11 +149,12 @@ class TestCQSelectors(BaseTest):
c = CQ(makeUnitCube())
# faces parallel to Z axis
self.assertEqual(2, c.faces("|Z").size())
# TODO: provide short names for ParallelDirSelector
self.assertEqual(
2, c.faces(selectors.ParallelDirSelector(Vector((0, 0, 1)))).size()
) # same thing as above
# these two should produce the same behaviour:
for s in ["|Z", selectors.ParallelDirSelector(Vector(0, 0, 1))]:
parallel_faces = c.faces(s)
self.assertEqual(2, parallel_faces.size())
for f in parallel_faces.vals():
self.assertAlmostEqual(abs(f.normalAt(None).dot(Vector(0, 0, 1))), 1)
self.assertEqual(
2, c.faces(selectors.ParallelDirSelector(Vector((0, 0, -1)))).size()
) # same thing as above
@ -138,9 +164,15 @@ class TestCQSelectors(BaseTest):
def testParallelEdgeFilter(self):
c = CQ(makeUnitCube())
self.assertEqual(4, c.edges("|Z").size())
self.assertEqual(4, c.edges("|X").size())
self.assertEqual(4, c.edges("|Y").size())
for sel, vec in zip(
["|X", "|Y", "|Z"], [Vector(1, 0, 0), Vector(0, 1, 0), Vector(0, 0, 1)]
):
edges = c.edges(sel)
# each direction should have 4 edges
self.assertEqual(4, edges.size())
# each edge should be parallel with vec and have a cross product with a length of 0
for e in edges.vals():
self.assertAlmostEqual(e.tangentAt(0).cross(vec).Length, 0.0)
def testMaxDistance(self):
c = CQ(makeUnitCube())
@ -155,17 +187,19 @@ class TestCQSelectors(BaseTest):
self.assertAlmostEqual(1.0, v.Z, 3)
# test the case of multiple objects at the same distance
el = c.edges("<Z").vals()
el = c.edges(">Z").vals()
self.assertEqual(4, len(el))
for e in el:
self.assertAlmostEqual(e.Center().z, 1)
def testMinDistance(self):
c = CQ(makeUnitCube())
# should select the topmost face
# should select the bottom face
self.assertEqual(1, c.faces("<Z").size())
self.assertEqual(4, c.faces("<Z").vertices().size())
# vertices should all be at z=1, if this is the top face
# vertices should all be at z=0, if this is the bottom face
self.assertEqual(4, len(c.faces("<Z").vertices().vals()))
for v in c.faces("<Z").vertices().vals():
self.assertAlmostEqual(0.0, v.Z, 3)
@ -173,6 +207,8 @@ class TestCQSelectors(BaseTest):
# test the case of multiple objects at the same distance
el = c.edges("<Z").vals()
self.assertEqual(4, len(el))
for e in el:
self.assertAlmostEqual(e.Center().z, 0)
def testNthDistance(self):
c = Workplane("XY").pushPoints([(-2, 0), (2, 0)]).box(1, 1, 1)
@ -252,20 +288,42 @@ class TestCQSelectors(BaseTest):
val = c.faces("<Z[-2]").val()
self.assertAlmostEqual(val.Center().z, 1)
# note that .val() will return the workplane center if the objects list
# is empty, so to make sure this test fails with a selector that
# selects nothing, use .vals()[0]
# verify that <Z[-1] is equivalent to <Z
val1 = c.faces("<Z[-1]").val()
val2 = c.faces("<Z").val()
val1 = c.faces("<Z[-1]").vals()[0]
val2 = c.faces("<Z").vals()[0]
self.assertTupleAlmostEquals(
val1.Center().toTuple(), val2.Center().toTuple(), 3
)
# verify that >Z[-1] is equivalent to >Z
val1 = c.faces(">Z[-1]").val()
val2 = c.faces(">Z").val()
val1 = c.faces(">Z[-1]").vals()[0]
val2 = c.faces(">Z").vals()[0]
self.assertTupleAlmostEquals(
val1.Center().toTuple(), val2.Center().toTuple(), 3
)
# DirectionNthSelector should not select faces that are not perpendicular
twisted_boxes = (
Workplane()
.box(1, 1, 1, centered=(True, True, False))
.transformed(rotate=(45, 0, 0), offset=(0, 0, 3))
.box(1, 1, 1)
)
self.assertTupleAlmostEquals(
twisted_boxes.faces(">Z[-1]").val().Center().toTuple(), (0, 0, 1), 3
)
# this should select a face on the upper/rotated cube, not the lower/unrotated cube
self.assertGreater(twisted_boxes.faces("<(0, 1, 1)[-1]").val().Center().z, 1)
# verify that >Z[-1] is equivalent to >Z
self.assertTupleAlmostEquals(
twisted_boxes.faces(">(0, 1, 1)[0]").vals()[0].Center().toTuple(),
twisted_boxes.faces("<(0, 1, 1)[-1]").vals()[0].Center().toTuple(),
3,
)
def testNearestTo(self):
c = CQ(makeUnitCube(centered=False))
@ -453,22 +511,6 @@ class TestCQSelectors(BaseTest):
wire_circles.wires(selectors.RadiusNthSelector(1)).val().radius(), 4
)
# a polygon with rounded corners has a radius, according to OCCT
loop_wire = Wire.makePolygon(
[Vector(-10, 0, 0), Vector(0, 10, 0), Vector(10, 0, 0),]
)
loop_workplane = (
Workplane().add(loop_wire.offset2D(1)).add(loop_wire.offset2D(2))
)
self.assertAlmostEqual(
loop_workplane.wires(selectors.RadiusNthSelector(0)).val().radius(), 1.0
)
self.assertAlmostEqual(
loop_workplane.wires(selectors.RadiusNthSelector(1)).val().radius(), 2.0
)
with self.assertRaises(IndexError):
loop_workplane.wires(selectors.RadiusNthSelector(2))
def testAndSelector(self):
c = CQ(makeUnitCube())