AgentEvalTool/tests/unit/test_cost_tracking.py
sinohqb 2f09ee2bfc
All checks were successful
CI / test (pull_request) Successful in 3m58s
refactor(v1.3.1): Phase 3 报告横幅、评分逻辑收敛与成本闭环
- 报告渲染 Go/No-Go 上线评估横幅(HTML 彩色 banner + Markdown 引用块)
- 抽取 scored_llm 共享模块:llm_score / fluency 直连调用与评分解析收敛
- 网关新增 chat_with_usage / embed_with_usage,规则按次归集 llm_usage
- 引擎分岗位用量归集(judge/generator/embedding/moderation)写入
  RunSummary.eval_usage_by_purpose,并发下不做总量差值
- cost_tracking 重构:data/model_pricing.json 覆盖 + 默认计价表,
  删除从未有数据支撑的 Turn 维度成本函数(偏差说明见 PR)
- 报告 summary 增加 eval_cost 分岗位成本段并在 Markdown 渲染
2026-08-26 01:59:20 +08:00

122 lines
4.2 KiB
Python
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

"""Tests for cost tracking module."""
from agenteval.evaluation.cost_tracking import (
DEFAULT_PRICING,
CostBreakdown,
ModelPricing,
build_eval_cost_section,
calculate_cost,
get_pricing,
reload_pricing_overrides,
usage_breakdown,
)
def test_model_pricing_model():
pricing = ModelPricing(
model_id="gpt-4o",
prompt_cost_per_1m=5.0,
completion_cost_per_1m=15.0,
)
assert pricing.model_id == "gpt-4o"
assert pricing.prompt_cost_per_1m == 5.0
def test_calculate_cost_gpt4o_mini():
pricing = ModelPricing(model_id="gpt-4o-mini", prompt_cost_per_1m=0.15, completion_cost_per_1m=0.60)
# (1000/1M * 0.15) + (500/1M * 0.60) = 0.00015 + 0.0003 = 0.00045
cost = calculate_cost(1000, 500, pricing)
assert abs(cost - 0.00045) < 0.00001
def test_calculate_cost_zero_tokens():
pricing = ModelPricing(model_id="gpt-4o", prompt_cost_per_1m=5.0, completion_cost_per_1m=15.0)
assert calculate_cost(0, 0, pricing) == 0.0
def test_get_pricing_known_model():
pricing = get_pricing("gpt-4o-mini")
assert pricing is not None
assert pricing.prompt_cost_per_1m == DEFAULT_PRICING["gpt-4o-mini"].prompt_cost_per_1m
def test_get_pricing_unknown_or_empty():
assert get_pricing("no-such-model") is None
assert get_pricing(None) is None
assert get_pricing("") is None
def test_get_pricing_override_file(tmp_path, monkeypatch):
override_file = tmp_path / "model_pricing.json"
override_file.write_text(
'{"custom-judge": {"prompt_cost_per_1m": 1.0, "completion_cost_per_1m": 2.0},'
' "broken": "not-a-dict"}',
encoding="utf-8",
)
monkeypatch.setattr("agenteval.evaluation.cost_tracking._PRICING_FILE", override_file)
reload_pricing_overrides()
try:
pricing = get_pricing("custom-judge")
assert pricing is not None
assert pricing.completion_cost_per_1m == 2.0
# 覆盖优先于默认表
override_file.write_text(
'{"gpt-4o-mini": {"prompt_cost_per_1m": 9.9, "completion_cost_per_1m": 9.9}}',
encoding="utf-8",
)
reload_pricing_overrides()
assert get_pricing("gpt-4o-mini").prompt_cost_per_1m == 9.9
# 坏条目被跳过,不抛异常
assert get_pricing("broken") is None
finally:
reload_pricing_overrides()
def test_get_pricing_missing_file_is_noop(tmp_path, monkeypatch):
monkeypatch.setattr("agenteval.evaluation.cost_tracking._PRICING_FILE", tmp_path / "missing.json")
reload_pricing_overrides()
try:
assert get_pricing("gpt-4o") is DEFAULT_PRICING["gpt-4o"]
finally:
reload_pricing_overrides()
def test_usage_breakdown():
pricing = DEFAULT_PRICING["gpt-4o-mini"]
breakdown = usage_breakdown({"prompt_tokens": 1000, "completion_tokens": 500}, pricing)
assert isinstance(breakdown, CostBreakdown)
assert breakdown.total_tokens == 1500
assert abs(breakdown.cost_usd - 0.00045) < 0.00001
def test_usage_breakdown_missing_fields():
pricing = DEFAULT_PRICING["gpt-4o-mini"]
breakdown = usage_breakdown({}, pricing)
assert breakdown.total_tokens == 0
assert breakdown.cost_usd == 0.0
def test_build_eval_cost_section_by_purpose():
usage = {
"judge": {"prompt_tokens": 1000, "completion_tokens": 500, "total_tokens": 1500},
"generator": {"prompt_tokens": 2000, "completion_tokens": 1000, "total_tokens": 3000},
}
model_configs = {
"judge": {"model_name": "gpt-4o-mini"},
"generator": {"model_name": "unknown-model"},
}
section = build_eval_cost_section(usage, model_configs)
assert section is not None
by_purpose = {i["purpose"]: i for i in section["by_purpose"]}
assert abs(by_purpose["judge"]["cost_usd"] - 0.00045) < 0.00001
# 未知定价token 数仍展示,成本为空
assert by_purpose["generator"]["cost_usd"] is None
assert by_purpose["generator"]["total_tokens"] == 3000
assert section["total_tokens"] == 4500
assert abs(section["total_cost_usd"] - 0.00045) < 0.00001
def test_build_eval_cost_section_empty():
assert build_eval_cost_section(None, None) is None
assert build_eval_cost_section({}, {}) is None