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[OpenSCAD] Add unit tests for resize() and others

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This commit is contained in:
Chris Hennes
2021-03-09 14:06:28 -06:00
committed by wwmayer
parent 8b8f2373d1
commit 5dbeb210e0
4 changed files with 944 additions and 19 deletions
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2
src/Mod/OpenSCAD/CMakeLists.txt
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@@ -41,6 +41,8 @@ SET(OpenSCADTestsFiles_SRCS
OpenSCADTest/data/__init__.py
OpenSCADTest/data/CSG.scad
OpenSCADTest/data/CSG.csg
OpenSCADTest/data/Cube.stl
OpenSCADTest/data/Square.dxf
)
SET(OpenSCADTests_ALL

143
src/Mod/OpenSCAD/OpenSCADTest/app/test_importCSG.py
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@@ -41,7 +41,6 @@ class TestImportCSG(unittest.TestCase):
def setUp(self):
self.test_dir = join(FreeCAD.getHomePath(), "Mod", "OpenSCAD", "OpenSCADTest", "data")
pass
def test_open_scad(self):
testfile = join(self.test_dir, "CSG.scad")
@@ -141,7 +140,7 @@ class TestImportCSG(unittest.TestCase):
with tempfile.TemporaryDirectory() as temp_dir:
filename = temp_dir + os.pathsep + "text.scad"
f = open(filename,"w+")
f.write("text(\"FreeCAD\");")
f.write("text(\"X\");") # Keep it short to keep the test fast-ish
f.close()
try:
doc = importCSG.open(filename)
@@ -196,21 +195,127 @@ polyhedron(
self.assertAlmostEqual (polyhedron.Shape.Volume, 1333.3333, 4)
FreeCAD.closeDocument(doc.Name)
def utility_create_scad(self, scadCode, name):
with tempfile.TemporaryDirectory() as temp_dir:
filename = temp_dir + os.pathsep + name + ".scad"
f = open(filename,"w+")
f.write(scadCode)
f.close()
return importCSG.open(filename)
"""
Actions to test:
-----------------
difference_action
intersection_action
union_action
rotate_extrude_action
linear_extrude_with_twist
rotate_extrude_file
import_file1
resize_action
surface_action
projection_action
hull_action
minkowski_action
offset_action
"""
def test_import_difference(self):
doc = self.utility_create_scad("difference() { cube(15, center=true); sphere(10); }", "difference")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 266.1323, 3)
FreeCAD.closeDocument(doc.Name)
def test_import_intersection(self):
doc = self.utility_create_scad("intersection() { cube(15, center=true); sphere(10); }", "intersection")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 3108.8677, 3)
FreeCAD.closeDocument(doc.Name)
def test_import_union(self):
doc = self.utility_create_scad("union() { cube(15, center=true); sphere(10); }", "union")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 4454.9224, 3)
FreeCAD.closeDocument(doc.Name)
def test_import_rotate_extrude(self):
doc = self.utility_create_scad("rotate_extrude() translate([10, 0]) square(5);", "rotate_extrude_simple")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 1963.4954, 3)
FreeCAD.closeDocument(doc.Name)
doc = self.utility_create_scad("translate([0, 30, 0]) rotate_extrude($fn = 80) polygon( points=[[0,0],[8,4],[4,8],[4,12],[12,16],[0,20]] );", "rotate_extrude_no_hole")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 2412.7431, 3)
FreeCAD.closeDocument(doc.Name)
def test_import_linear_extrude(self):
doc = self.utility_create_scad("linear_extrude(height = 20) square([20, 10], center = true);", "linear_extrude_simple")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 4000.000, 3)
FreeCAD.closeDocument(doc.Name)
doc = self.utility_create_scad("linear_extrude(height = 20, scale = 0.2) square([20, 10], center = true);", "linear_extrude_scale")
object = doc.ActiveObject
# Not actually supported - this does not create a frustum, but a cube: scale does nothing
FreeCAD.closeDocument(doc.Name)
doc = self.utility_create_scad("linear_extrude(height = 20, twist = 90) square([20, 10], center = true);", "linear_extrude_twist")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 3999.9961, 3)
FreeCAD.closeDocument(doc.Name)
def test_import_rotate_extrude_file(self):
# OpenSCAD doesn't seem to have this feature at this time (March 2021)
pass
# There is a problem with the DXF code right now, it doesn't like this square.
# def test_import_import_dxf(self):
# testfile = join(self.test_dir, "Square.dxf").replace('\\','/')
# doc = self.utility_create_scad("import(\"{}\");".format(testfile), "import_dxf");
# object = doc.ActiveObject
# self.assertTrue (object is not None)
# FreeCAD.closeDocument(doc.Name)
def test_import_import_stl(self):
testfile = join(self.test_dir, "Cube.stl").replace('\\','/')
doc = self.utility_create_scad("import(\"{}\");".format(testfile), "import_stl");
object = doc.ActiveObject
self.assertTrue (object is not None)
FreeCAD.closeDocument(doc.Name)
def test_import_resize(self):
doc = self.utility_create_scad("resize([2,2,2]) cube();", "resize_simple")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 8.000000, 6)
FreeCAD.closeDocument(doc.Name)
doc = self.utility_create_scad("resize([2,2,0]) cube();", "resize_with_zero")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 4.000000, 6)
FreeCAD.closeDocument(doc.Name)
doc = self.utility_create_scad("resize([2,0,0], auto=true) cube();", "resize_with_auto")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 8.000000, 6)
FreeCAD.closeDocument(doc.Name)
doc = self.utility_create_scad("resize([2,2,2]) cube([2,2,2]);", "resize_no_change")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 8.000000, 6)
FreeCAD.closeDocument(doc.Name)
doc = self.utility_create_scad("resize([2,2,2]) cube([4,8,12]);", "resize_non_uniform")
object = doc.ActiveObject
self.assertTrue (object is not None)
self.assertAlmostEqual (object.Shape.Volume, 8.000000, 6)
FreeCAD.closeDocument(doc.Name)
def test_import_surface(self):
pass
def test_import_projection(self):
pass
def test_import_hull(self):
pass
def test_import_minkowski(self):
pass
def test_import_offset(self):
pass

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src/Mod/OpenSCAD/OpenSCADTest/data/Cube.stl Normal file
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src/Mod/OpenSCAD/OpenSCADTest/data/Square.dxf Normal file
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