73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
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"""任务成本预估单元测试（mock 数据，不依赖数据库）。"""
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from types import SimpleNamespace
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from unittest.mock import patch
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from app.cost_estimate import estimate_campaign_cost
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class _PlannedSession:
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"""按顺序返回 exec 查询结果：segments → usage_events → llm_calls。"""
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def __init__(self, queues):
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self.queues = list(queues)
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def exec(self, *_a, **_k):
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return SimpleNamespace(all=lambda: self.queues.pop(0) if self.queues else [])
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def _campaign(segments=3):
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return SimpleNamespace(id=1, organization_id=1, owner_user_id=7)
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def _event(in_toks, out_toks, in_rate=2.0, out_rate=8.0):
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return SimpleNamespace(status="measured", input_quantity=in_toks, output_quantity=out_toks,
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input_rate=in_rate, output_rate=out_rate)
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def test_no_segments_not_ready():
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session = _PlannedSession([[]])
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report = estimate_campaign_cost(session, _campaign())
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assert report["ready"] is False
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def test_fallback_estimate_without_history():
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session = _PlannedSession([[_segment_stub() for _ in range(3)], [], []])
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report = estimate_campaign_cost(session, _campaign())
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assert report["ready"] is True
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assert report["source"] == "fallback"
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# 3 段 × (6000+2500) × 1.6 = 40800
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assert report["estimated_tokens"] == 40800
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assert report["estimated_points"] == 408000
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assert report["estimated_amount_minor"] == 0
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def _segment_stub():
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return SimpleNamespace(id=1)
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def test_history_based_estimate():
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events = [_event(5000, 2000), _event(7000, 3000)]
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session = _PlannedSession([[_segment_stub() for _ in range(2)], events, []])
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report = estimate_campaign_cost(session, _campaign())
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assert report["source"] == "history"
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# 均值 (6000, 2500) × 2 段 × 1.6 = 27200
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assert report["estimated_tokens"] == 27200
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# 费率均值 in=2.0 out=8.0：(12000/1e6*2 + 5000/1e6*8) 元 = 0.064 元 → 6 分
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assert report["estimated_amount_minor"] == 6
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def test_duration_from_llm_calls():
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calls = [SimpleNamespace(duration_ms=10000), SimpleNamespace(duration_ms=20000)]
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session = _PlannedSession([[_segment_stub()], [], calls])
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report = estimate_campaign_cost(session, _campaign())
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# 平均 15s × 3 + 15 = 60s 单段；1 段 + 20 = 80s
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assert report["estimated_seconds"] == 80
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assert report["estimated_duration_text"] == "1 分 20 秒"
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def test_estimate_scales_with_segments():
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one = estimate_campaign_cost(_PlannedSession([[_segment_stub()], [], []]), _campaign())
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four = estimate_campaign_cost(_PlannedSession([[_segment_stub() for _ in range(4)], [], []]), _campaign())
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assert four["estimated_tokens"] == one["estimated_tokens"] * 4
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assert four["estimated_points"] > one["estimated_points"]
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