41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
#!/usr/bin/env python3
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"""Regression tests for the mojibake repair utility."""
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from __future__ import annotations
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import subprocess
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import sys
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import tempfile
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from pathlib import Path
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ROOT = Path(__file__).resolve().parent.parent
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SCRIPT = ROOT / "scripts" / "fix-mojibake.py"
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def main() -> int:
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# These are the strings produced when UTF-8 arrow bytes are decoded as
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# Windows-1252. Byte 0x90 is undefined in CP1252, hence the explicit escape.
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source = "right →, left \u00e2\u2020\u0090, up ↑, down ↓\n"
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expected = "right →, left ←, up ↑, down ↓\n"
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with tempfile.TemporaryDirectory(prefix="diagram-design-mojibake-") as directory:
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path = Path(directory) / "fixture.md"
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path.write_text(source, encoding="utf-8")
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result = subprocess.run(
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[sys.executable, str(SCRIPT), str(path)],
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capture_output=True,
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text=True,
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check=False,
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)
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if result.returncode != 0:
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raise AssertionError(f"repair failed: {result.stdout}{result.stderr}")
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actual = path.read_text(encoding="utf-8")
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if actual != expected:
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raise AssertionError(f"expected {expected!r}, got {actual!r}")
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print("PASS: mojibake arrow sequences repair to the intended directions")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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