40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
"""Oneshot stdout must survive lone UTF-16 surrogates in model text (#80366)."""
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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 textwrap
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from pathlib import Path
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def test_oneshot_replaces_lone_surrogate_and_exits_zero():
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"""hermes -z must print U+FFFD and exit 0 when the model returns U+D800."""
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program = textwrap.dedent(
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"""
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import hermes_cli.oneshot as oneshot
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dirty = "answer \\ud800 here"
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oneshot._run_agent = lambda *args, **kwargs: (
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dirty,
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{"final_response": dirty, "failed": False, "partial": False, "completed": True},
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)
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raise SystemExit(oneshot.run_oneshot("hello"))
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"""
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)
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result = subprocess.run(
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[sys.executable, "-c", program],
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cwd=Path(__file__).resolve().parents[2],
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capture_output=True,
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timeout=30,
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check=False,
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)
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assert result.returncode == 0, result.stderr.decode("utf-8", errors="replace")
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# U+FFFD as UTF-8; no raw surrogate bytes
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assert "\ufffd".encode("utf-8") in result.stdout
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assert b"answer " in result.stdout
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assert b" here\n" in result.stdout
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assert b"Traceback" not in result.stderr
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