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ai-ag2026
46 lines
2.3 KiB
Python
46 lines
2.3 KiB
Python
from pathlib import Path
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REPO = Path(__file__).resolve().parents[1]
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UI_JS = (REPO / "static" / "ui.js").read_text()
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CSS = (REPO / "static" / "style.css").read_text()
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def test_message_windowing_caps_initial_dom_to_recent_messages():
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assert "const MESSAGE_RENDER_WINDOW_DEFAULT=50" in UI_JS
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assert "_messageRenderWindowSize=MESSAGE_RENDER_WINDOW_DEFAULT" in UI_JS
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assert "const windowStart=Math.max(0, visWithIdx.length-renderWindowSize)" in UI_JS
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assert "const renderVisWithIdx=visWithIdx.slice(windowStart)" in UI_JS
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assert "for(let vi=0;vi<renderVisWithIdx.length;vi++)" in UI_JS
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assert "Load earlier messages (${hiddenBeforeCount} hidden)" in UI_JS
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def test_load_earlier_expands_local_window_before_server_pagination_and_preserves_scroll():
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assert "function _showEarlierRenderedMessages()" in UI_JS
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assert "prevScrollH=container?container.scrollHeight:0" in UI_JS
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assert "prevScrollTop=container?container.scrollTop:0" in UI_JS
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assert "container.scrollTop=prevScrollTop+(newScrollH-prevScrollH)" in UI_JS
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assert "if(_messageHiddenBeforeCount()>0) _showEarlierRenderedMessages();" in UI_JS
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assert "else if(typeof _loadOlderMessages==='function') _loadOlderMessages();" in UI_JS
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def test_windowed_render_keeps_streaming_and_tool_activity_anchored_to_rendered_messages():
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assert "_scrollAfterMessageRender(preserveScroll, scrollSnapshot);" in UI_JS
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assert "const assistantIdxs=[...assistantSegments.keys()].sort((a,b)=>a-b);" in UI_JS
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assert "if(aIdx<assistantIdxs[0]) continue;" in UI_JS
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assert "const renderedAssistantIdxs=[...assistantSegments.keys()].sort((a,b)=>a-b);" in UI_JS
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assert "const seg=assistantSegments.get(mi);" in UI_JS
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def test_window_state_participates_in_cache_and_cached_button_is_rewired():
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assert "cached.renderWindowSize===renderWindowSize" in UI_JS
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assert "_sessionHtmlCache.set(sid,{html:_html,msgCount,renderWindowSize})" in UI_JS
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assert "function _wireMessageWindowLoadEarlierButton()" in UI_JS
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assert "_wireMessageWindowLoadEarlierButton();" in UI_JS
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assert UI_JS.count("_wireMessageWindowLoadEarlierButton();") >= 2
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def test_load_earlier_affordance_has_button_styling_hook():
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assert "message-window-load-earlier" in UI_JS
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assert ".message-window-load-earlier" in CSS
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assert "border-radius:999px" in CSS
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