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from pathlib import Path
import tempfile
import f3d
def test_compare_with_file():
testing_dir = Path(__file__).parent.parent.parent / "testing"
dataset = testing_dir / "data/cow.vtp"
reference = testing_dir / "baselines/TestPythonCompareWithFile.png"
output = Path(tempfile.gettempdir()) / "TestPythonCompareWithFile.png"
engine = f3d.Engine.create(True)
engine.window.size = 300, 300
# verify the size is properly set
assert engine.window.width == 300
assert engine.window.height == 300
engine.scene.add(dataset)
img = engine.window.render_to_image()
img.save(output)
assert img.compare(f3d.Image(reference)) <= 0.05
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