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https://github.com/nesquena/hermes-webui.git
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starship-s
80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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def test_webui_backend_prompt_cache_hit_percent_uses_prompt_total_denominator():
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from api.usage import prompt_cache_hit_percent
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assert prompt_cache_hit_percent(100_000, 125_000) == 80
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assert prompt_cache_hit_percent(0, 125_000) is None
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assert prompt_cache_hit_percent(100, 0) is None
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assert prompt_cache_hit_percent(None, None) is None
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assert prompt_cache_hit_percent(200, 100) == 100
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def test_session_compact_exposes_prompt_cache_counters():
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from api.models import Session
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session = Session(
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session_id="issue2419_cache_usage",
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workspace="/tmp",
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input_tokens=125_000,
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output_tokens=5_000,
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estimated_cost=0.44,
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cache_read_tokens=100_000,
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cache_write_tokens=5_000,
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)
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compact = session.compact()
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assert compact["cache_read_tokens"] == 100_000
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assert compact["cache_write_tokens"] == 5_000
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assert compact["cache_hit_percent"] == 80
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def test_streaming_usage_payload_includes_prompt_cache_counters():
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src = (ROOT / "api" / "streaming.py").read_text()
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assert "session_cache_read_tokens" in src
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assert "session_cache_write_tokens" in src
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assert "prompt_cache_hit_percent(" in src
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assert "'cache_hit_percent':" in src
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assert "'turn_cache_hit_percent':" in src
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def test_context_indicator_surfaces_cache_hit_rate():
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src = (ROOT / "static" / "ui.js").read_text()
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assert "cacheReadTok=usage.cache_read_tokens||0" in src
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assert "cacheWriteTok=usage.cache_write_tokens||0" in src
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assert "cacheHitPct=usage.cache_hit_percent" in src
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assert "t('usage_cache_hit_detail',cacheHitPct" in src
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assert "Estimated cost: $${cost<0.01?cost.toFixed(4):cost.toFixed(2)}" in src
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assert "cacheHitPct=msg._turnUsage.cache_hit_percent" in src
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assert "t('usage_cached_percent',cacheHitPct)" in src
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assert "cacheHitPct!=null" in src
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assert "cacheReadTok/cacheTotalTok" not in src
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assert "cacheRead/cacheTotal" not in src
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assert "cacheReadTok/promptTok" not in src
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assert "cacheRead/cacheDenom" not in src
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def test_cache_usage_labels_are_localized():
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src = (ROOT / "static" / "i18n.js").read_text()
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assert src.count("usage_cache_hit_detail:") == 11
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assert src.count("usage_cached_percent:") == 11
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assert "usage_cache_hit_detail: 'Cache: {0}% hit ({1} read / {2} write)'" in src
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assert "usage_cached_percent: '{0}% cached'" in src
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def test_done_handler_preserves_per_turn_cache_deltas():
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src = (ROOT / "static" / "messages.js").read_text()
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assert "_prevCacheRead=(S.session&&S.session.cache_read_tokens)||0" in src
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assert "curCacheRead=d.usage.cache_read_tokens||0" in src
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assert "cache_read_tokens:Math.max(0,curCacheRead-_prevCacheRead)" in src
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assert "cache_write_tokens:Math.max(0,curCacheWrite-_prevCacheWrite)" in src
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assert "cache_hit_percent:d.usage.turn_cache_hit_percent" in src
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