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ai-ag2026
47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
"""Regression tests for stale session model hydration in the WebUI.
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Old sessions can persist provider-shaped model IDs such as ``openai/gpt-5.4-mini``
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after the active runtime moved to OpenAI Codex ``gpt-5.5``. The first
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``loadSession()`` metadata request must ask the backend for the resolved model so
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that the composer state cannot briefly use the stale raw value for display or the
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next chat-start payload.
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"""
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from pathlib import Path
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REPO_ROOT = Path(__file__).resolve().parents[1]
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SESSIONS_JS = (REPO_ROOT / "static" / "sessions.js").read_text(encoding="utf-8")
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def _extract_function(src: str, signature: str) -> str:
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start = src.find(signature)
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assert start >= 0, f"missing function signature: {signature}"
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brace = src.find("{", start)
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assert brace >= 0, f"missing function body for: {signature}"
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depth = 0
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for idx in range(brace, len(src)):
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ch = src[idx]
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if ch == "{":
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depth += 1
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elif ch == "}":
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depth -= 1
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if depth == 0:
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return src[start : idx + 1]
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raise AssertionError(f"unterminated function body for: {signature}")
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def test_load_session_initial_metadata_request_resolves_model_before_state_assignment():
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body = _extract_function(SESSIONS_JS, "async function loadSession(sid")
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metadata_fetch = "messages=0&resolve_model=1"
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stale_metadata_fetch = "messages=0&resolve_model=0"
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assignment = "S.session=data.session"
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assert metadata_fetch in body, (
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"loadSession() must resolve model metadata on the initial fetch so stale "
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"persisted models like openai/gpt-5.4-mini cannot become active composer state"
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)
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assert stale_metadata_fetch not in body[: body.index(assignment)], (
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"loadSession() must not assign S.session from unresolved metadata before the "
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"backend has normalized stale model/provider combinations"
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)
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