from __future__ import annotations
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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import laspy
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sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
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from apply_pointcloud_semantic_model import load_cloud # noqa: E402
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class ApplyPointCloudSemanticModelTests(unittest.TestCase):
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def test_empty_las_reports_a_clear_input_error(self) -> None:
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with tempfile.TemporaryDirectory() as directory:
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source = Path(directory) / "empty.las"
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laspy.LasData(laspy.LasHeader(point_format=3, version="1.2")).write(source)
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with self.assertRaisesRegex(ValueError, "没有可读取的点"):
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load_cloud(source)
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if __name__ == "__main__":
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unittest.main()
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