Files
cadquery/tests/test_exporters.py
Wink Saville 462dcea6c4 Add angularPrecision to export, exportShape and toString
Add tolerance and angularPrecision to TestExporters._exportBox and in
the call to exportShape.
2020-08-06 12:20:12 -07:00

124 lines
3.4 KiB
Python

"""
Tests basic workplane functionality
"""
# core modules
import sys
import io
# my modules
from cadquery import *
from cadquery import exporters, importers
from tests import BaseTest
class TestExporters(BaseTest):
def _exportBox(self, eType, stringsToFind, tolerance=0.1, angularPrecision=0.1):
"""
Exports a test object, and then looks for
all of the supplied strings to be in the result
returns the result in case the case wants to do more checks also
"""
p = Workplane("XY").box(1, 2, 3)
if eType == exporters.ExportTypes.AMF:
s = io.BytesIO()
else:
s = io.StringIO()
exporters.exportShape(p, eType, s, tolerance=tolerance, angularPrecision=angularPrecision)
result = "{}".format(s.getvalue())
for q in stringsToFind:
self.assertTrue(result.find(q) > -1)
return result
def _box(self):
return Workplane().box(1, 1, 1)
def testSTL(self):
self._exportBox(exporters.ExportTypes.STL, ["facet normal"])
exporters.export(self._box(), "out.stl")
def testSVG(self):
self._exportBox(exporters.ExportTypes.SVG, ["<svg", "<g transform"])
exporters.export(self._box(), "out.svg")
def testAMF(self):
self._exportBox(exporters.ExportTypes.AMF, ["<amf units", "</object>"])
exporters.export(self._box(), "out.amf")
def testSTEP(self):
self._exportBox(exporters.ExportTypes.STEP, ["FILE_SCHEMA"])
exporters.export(self._box(), "out.step")
def testTJS(self):
self._exportBox(
exporters.ExportTypes.TJS, ["vertices", "formatVersion", "faces"]
)
exporters.export(self._box(), "out.tjs")
def testDXF(self):
exporters.export(self._box().section(), "out.dxf")
with self.assertRaises(ValueError):
exporters.export(self._box().val(), "out.dxf")
s1 = (
Workplane("XZ")
.polygon(10, 10)
.ellipse(1, 2)
.extrude(1)
.edges("|Y")
.fillet(1)
.section()
)
exporters.dxf.exportDXF(s1, "res1.dxf")
s1_i = importers.importDXF("res1.dxf")
self.assertAlmostEqual(s1.val().Area(), s1_i.val().Area(), 6)
self.assertAlmostEqual(s1.edges().size(), s1_i.edges().size())
pts = [(0, 0), (0, 0.5), (1, 1)]
s2 = (
Workplane().spline(pts).close().extrude(1).edges("|Z").fillet(0.1).section()
)
exporters.dxf.exportDXF(s2, "res2.dxf")
s2_i = importers.importDXF("res2.dxf")
self.assertAlmostEqual(s2.val().Area(), s2_i.val().Area(), 6)
self.assertAlmostEqual(s2.edges().size(), s2_i.edges().size())
s3 = (
Workplane("XY")
.ellipseArc(1, 2, 0, 180)
.close()
.extrude(1)
.edges("|Z")
.fillet(0.1)
.section()
)
exporters.dxf.exportDXF(s3, "res3.dxf")
s3_i = importers.importDXF("res3.dxf")
self.assertAlmostEqual(s3.val().Area(), s3_i.val().Area(), 6)
self.assertAlmostEqual(s3.edges().size(), s3_i.edges().size())
def testTypeHandling(self):
with self.assertRaises(ValueError):
exporters.export(self._box(), "out.random")
with self.assertRaises(ValueError):
exporters.export(self._box(), "out.stl", "STP")