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https://github.com/nesquena/hermes-webui.git
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ai-ag2026
74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
"""Regression coverage for chat sidebar virtualization after panel navigation."""
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from pathlib import Path
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PANELS_JS = Path(__file__).parent.parent / "static" / "panels.js"
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def _read_source() -> str:
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return PANELS_JS.read_text(encoding="utf-8")
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def _function_block(src: str, name: str) -> str:
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marker = f"function {name}"
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start = src.find(marker)
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if start == -1:
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marker = f"async function {name}"
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start = src.find(marker)
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assert start != -1, f"{name} not found"
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paren = src.find("(", start)
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assert paren != -1, f"{name} signature not found"
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paren_depth = 1
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j = paren + 1
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while j < len(src) and paren_depth:
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if src[j] == "(":
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paren_depth += 1
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elif src[j] == ")":
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paren_depth -= 1
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j += 1
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assert paren_depth == 0, f"{name} signature did not close"
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brace = src.find("{", j)
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assert brace != -1, f"{name} body not found"
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depth = 1
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i = brace + 1
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while i < len(src) and depth:
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if src[i] == "{":
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depth += 1
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elif src[i] == "}":
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depth -= 1
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i += 1
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assert depth == 0, f"{name} body did not close"
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return src[start:i]
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def test_switching_back_to_chat_schedules_sidebar_resync_after_panel_is_visible():
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"""Chat navigation must re-render the sidebar after layout becomes visible.
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The sidebar session list is virtualized. After switching away to Settings,
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Logs, etc. and then back to Chat, the browser can clamp the preserved
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scrollTop during the layout transition. If no render runs after the chat
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view is visible again, stale virtual spacer/header DOM can remain until the
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next manual scroll event.
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"""
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src = _read_source()
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switch_body = _function_block(src, "switchPanel")
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assert "_resyncChatSidebarAfterPanelSwitch();" in switch_body
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assert switch_body.index("if (panelEl) panelEl.classList.add('active');") < switch_body.index(
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"_resyncChatSidebarAfterPanelSwitch();"
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)
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def test_chat_sidebar_resync_helper_is_guarded_and_bounded_to_one_animation_frame():
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"""The resync must not poll or destroy rename state; one guarded rAF is enough."""
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src = _read_source()
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helper = _function_block(src, "_resyncChatSidebarAfterPanelSwitch")
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assert "if (_currentPanel !== 'chat') return;" in helper
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assert "typeof renderSessionListFromCache !== 'function'" in helper
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assert "requestAnimationFrame" in helper
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assert "setInterval" not in helper
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assert "setTimeout" not in helper
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assert "typeof _sessionActionMenu !== 'undefined' && _sessionActionMenu" in helper
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assert helper.index("typeof _sessionActionMenu") < helper.index("renderSessionListFromCache();")
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assert "renderSessionListFromCache();" in helper
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