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44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
import os
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from pathlib import Path
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import pytest
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from parametric_cad.primitives.box import Box
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from parametric_cad.primitives.cylinder import Cylinder
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from parametric_cad.export.stl import STLExporter
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EXPECTED_DIR = Path(__file__).parent / "expected_stl"
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def test_stl_exporter(tmp_path):
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exporter = STLExporter(output_dir=tmp_path)
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box = Box(1.0, 1.0, 1.0)
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path = exporter.export_mesh(box, "test_box", preview=False)
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assert os.path.isfile(path)
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assert path == str(tmp_path / "test_box.stl")
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with open(path, "r", encoding="utf-8") as f:
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contents = f.read()
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with open(EXPECTED_DIR / "test_box.stl", "r", encoding="utf-8") as f:
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expected = f.read()
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assert contents == expected
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def test_ascii_stl_multiple_objects(tmp_path):
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exporter = STLExporter(output_dir=tmp_path)
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box = Box(1.0, 2.0, 1.0).at(0, 0, 0.5)
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cyl = Cylinder(radius=2.0, height=1.0, sections=8).at(3, 0, 0.5)
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box2 = Box(0.5, 0.5, 0.5).at(0, 3, 0.25)
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path = exporter.export_meshes([box, cyl, box2], "combo", preview=False)
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assert os.path.isfile(path)
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assert path == str(tmp_path / "combo.stl")
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with open(path, "r", encoding="utf-8") as f:
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contents = f.read()
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with open(EXPECTED_DIR / "combo.stl", "r", encoding="utf-8") as f:
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expected = f.read()
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assert contents == expected
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def test_exporter_printability_failure(tmp_path):
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exporter = STLExporter(output_dir=tmp_path)
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big_box = Box(300.0, 10.0, 10.0)
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with pytest.raises(ValueError):
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exporter.export_mesh(big_box, "bad_box", preview=False)
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