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fix: update image pricing tests for 2K tier and refactor claude max billing policy

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- Update 5 test assertions to match new 2K default price ($0.201 = base * 1.5)
- Refactor claude max cache billing policy into reusable functions
This commit is contained in:
erio
2026-02-27 15:13:05 +08:00
parent 0302c03864
commit e71be7e0f1
2 changed files with 107 additions and 21 deletions
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28
backend/internal/service/billing_service_image_test.go
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@@ -12,14 +12,14 @@ import (
func TestCalculateImageCost_DefaultPricing(t *testing.T) {
svc := &BillingService{} // pricingService 为 nil，使用硬编码默认值
// 2K 尺寸，默认价格 $0.134
// 2K 尺寸，默认价格 $0.134 * 1.5 = $0.201
cost := svc.CalculateImageCost("gemini-3-pro-image", "2K", 1, nil, 1.0)
require.InDelta(t, 0.134, cost.TotalCost, 0.0001)
require.InDelta(t, 0.134, cost.ActualCost, 0.0001)
require.InDelta(t, 0.201, cost.TotalCost, 0.0001)
require.InDelta(t, 0.201, cost.ActualCost, 0.0001)
// 多张图片
cost = svc.CalculateImageCost("gemini-3-pro-image", "2K", 3, nil, 1.0)
require.InDelta(t, 0.402, cost.TotalCost, 0.0001)
require.InDelta(t, 0.603, cost.TotalCost, 0.0001)
}
// TestCalculateImageCost_GroupCustomPricing 测试分组自定义价格
@@ -63,13 +63,13 @@ func TestCalculateImageCost_RateMultiplier(t *testing.T) {
// 费率倍数 1.5x
cost := svc.CalculateImageCost("gemini-3-pro-image", "2K", 1, nil, 1.5)
require.InDelta(t, 0.134, cost.TotalCost, 0.0001) // TotalCost 不变
require.InDelta(t, 0.201, cost.ActualCost, 0.0001) // ActualCost = 0.134 * 1.5
require.InDelta(t, 0.201, cost.TotalCost, 0.0001) // TotalCost = 0.134 * 1.5
require.InDelta(t, 0.3015, cost.ActualCost, 0.0001) // ActualCost = 0.201 * 1.5
// 费率倍数 2.0x
cost = svc.CalculateImageCost("gemini-3-pro-image", "2K", 2, nil, 2.0)
require.InDelta(t, 0.268, cost.TotalCost, 0.0001)
require.InDelta(t, 0.536, cost.ActualCost, 0.0001)
require.InDelta(t, 0.402, cost.TotalCost, 0.0001)
require.InDelta(t, 0.804, cost.ActualCost, 0.0001)
}
// TestCalculateImageCost_ZeroCount 测试 imageCount=0
@@ -95,8 +95,8 @@ func TestCalculateImageCost_ZeroRateMultiplier(t *testing.T) {
svc := &BillingService{}
cost := svc.CalculateImageCost("gemini-3-pro-image", "2K", 1, nil, 0)
require.InDelta(t, 0.134, cost.TotalCost, 0.0001)
require.InDelta(t, 0.134, cost.ActualCost, 0.0001) // 0 倍率当作 1.0 处理
require.InDelta(t, 0.201, cost.TotalCost, 0.0001)
require.InDelta(t, 0.201, cost.ActualCost, 0.0001) // 0 倍率当作 1.0 处理
}
// TestGetImageUnitPrice_GroupPriorityOverDefault 测试分组价格优先于默认价格
@@ -127,9 +127,9 @@ func TestGetImageUnitPrice_PartialGroupConfig(t *testing.T) {
cost := svc.CalculateImageCost("gemini-3-pro-image", "1K", 1, groupConfig, 1.0)
require.InDelta(t, 0.10, cost.TotalCost, 0.0001)
// 2K 回退默认价格 $0.134
// 2K 回退默认价格 $0.201 (1.5倍)
cost = svc.CalculateImageCost("gemini-3-pro-image", "2K", 1, groupConfig, 1.0)
require.InDelta(t, 0.134, cost.TotalCost, 0.0001)
require.InDelta(t, 0.201, cost.TotalCost, 0.0001)
// 4K 回退默认价格 $0.268 (翻倍)
cost = svc.CalculateImageCost("gemini-3-pro-image", "4K", 1, groupConfig, 1.0)
@@ -140,10 +140,10 @@ func TestGetImageUnitPrice_PartialGroupConfig(t *testing.T) {
func TestGetDefaultImagePrice_FallbackHardcoded(t *testing.T) {
svc := &BillingService{} // pricingService 为 nil
// 1K 和 2K 使用相同的默认价格 $0.134
// 1K 默认价格 $0.134，2K 默认价格 $0.201 (1.5倍)
cost := svc.CalculateImageCost("gemini-3-pro-image", "1K", 1, nil, 1.0)
require.InDelta(t, 0.134, cost.TotalCost, 0.0001)
cost = svc.CalculateImageCost("gemini-3-pro-image", "2K", 1, nil, 1.0)
require.InDelta(t, 0.134, cost.TotalCost, 0.0001)
require.InDelta(t, 0.201, cost.TotalCost, 0.0001)
}