李建琦
6d655c9903
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39 lines
1.6 KiB
Go
39 lines
1.6 KiB
Go
package service
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import (
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"math"
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"testing"
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"github.com/stretchr/testify/require"
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)
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// TestClampProfitControlThreshold 钉死阈值清洗口径：非有限或为负一律按 0
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// （等价于只放行免费上游），合法值原样保留。
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func TestClampProfitControlThreshold(t *testing.T) {
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require.Equal(t, 0.0, clampProfitControlThreshold(math.NaN()))
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require.Equal(t, 0.0, clampProfitControlThreshold(math.Inf(1)))
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require.Equal(t, 0.0, clampProfitControlThreshold(math.Inf(-1)))
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require.Equal(t, 0.0, clampProfitControlThreshold(-0.5))
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require.Equal(t, 0.0, clampProfitControlThreshold(0))
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require.Equal(t, 0.7, clampProfitControlThreshold(0.7))
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}
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// TestProfitControlOverThreshold 钉死「越线」的唯一定义：相对 epsilon 吸收
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// decimal(10,4) 落库与浮点乘法的边界误差，U == 阈值 判定为合格。
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//
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// 线上否决点（openAIProfitControlVetoReason）与 profit-preview 现在共用这个
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// 函数与 clampProfitControlThreshold；此前各复制了一份，会随线上口径漂移，
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// 导致预演结果与真实调度不一致。
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func TestProfitControlOverThreshold(t *testing.T) {
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require.False(t, profitControlOverThreshold(0.7, 0.7), "U == 阈值 必须判定为合格")
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require.False(t, profitControlOverThreshold(0.6999, 0.7))
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require.True(t, profitControlOverThreshold(0.7001, 0.7))
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// 0.3*3 的浮点尾数不得被判成越线。
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require.False(t, profitControlOverThreshold(0.1*3, 0.3))
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// 阈值为 0 时只放行 0 成本上游。
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require.False(t, profitControlOverThreshold(0, 0))
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require.True(t, profitControlOverThreshold(0.0001, 0))
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}
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