李建琦
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909 lines
32 KiB
Go
909 lines
32 KiB
Go
//go:build unit
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package service
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import (
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"context"
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"errors"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func newTestBillingServiceForResolver() *BillingService {
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bs := &BillingService{
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fallbackPrices: make(map[string]*ModelPricing),
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}
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bs.fallbackPrices["claude-sonnet-4"] = &ModelPricing{
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InputPricePerToken: 3e-6,
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OutputPricePerToken: 15e-6,
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CacheCreationPricePerToken: 3.75e-6,
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CacheReadPricePerToken: 0.3e-6,
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SupportsCacheBreakdown: false,
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}
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return bs
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}
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func TestResolve_NoGroupID(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: nil,
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})
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require.NotNil(t, resolved)
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require.Equal(t, BillingModeToken, resolved.Mode)
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require.NotNil(t, resolved.BasePricing)
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require.InDelta(t, 3e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
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// BillingService.GetModelPricing uses fallback internally, but resolveBasePricing
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// reports "litellm" when GetModelPricing succeeds (regardless of internal source)
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require.Equal(t, "litellm", resolved.Source)
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}
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func TestResolve_UnknownModel(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "unknown-model-xyz",
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GroupID: nil,
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})
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require.NotNil(t, resolved)
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require.Nil(t, resolved.BasePricing)
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// Unknown model: GetModelPricing returns error, source is "fallback"
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require.Equal(t, "fallback", resolved.Source)
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}
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func TestGetIntervalPricing_NoIntervals(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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basePricing := &ModelPricing{InputPricePerToken: 5e-6}
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resolved := &ResolvedPricing{
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Mode: BillingModeToken,
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BasePricing: basePricing,
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Intervals: nil,
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}
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result := r.GetIntervalPricing(resolved, 50000)
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require.Equal(t, basePricing, result)
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}
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func TestGetIntervalPricing_MatchesInterval(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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resolved := &ResolvedPricing{
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Mode: BillingModeToken,
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BasePricing: &ModelPricing{InputPricePerToken: 5e-6},
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SupportsCacheBreakdown: true,
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Intervals: []PricingInterval{
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{MinTokens: 0, MaxTokens: testPtrInt(128000), InputPrice: testPtrFloat64(1e-6), OutputPrice: testPtrFloat64(2e-6)},
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{MinTokens: 128000, MaxTokens: nil, InputPrice: testPtrFloat64(3e-6), OutputPrice: testPtrFloat64(6e-6)},
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},
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}
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result := r.GetIntervalPricing(resolved, 50000)
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require.NotNil(t, result)
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require.InDelta(t, 1e-6, result.InputPricePerToken, 1e-12)
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require.InDelta(t, 2e-6, result.OutputPricePerToken, 1e-12)
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require.True(t, result.SupportsCacheBreakdown)
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result2 := r.GetIntervalPricing(resolved, 200000)
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require.NotNil(t, result2)
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require.InDelta(t, 3e-6, result2.InputPricePerToken, 1e-12)
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}
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func TestGetIntervalPricing_NoMatch_FallsBackToBase(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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basePricing := &ModelPricing{InputPricePerToken: 99e-6}
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resolved := &ResolvedPricing{
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Mode: BillingModeToken,
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BasePricing: basePricing,
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Intervals: []PricingInterval{
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{MinTokens: 10000, MaxTokens: testPtrInt(50000), InputPrice: testPtrFloat64(1e-6)},
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},
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}
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result := r.GetIntervalPricing(resolved, 5000)
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require.Equal(t, basePricing, result)
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}
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func TestGPT56ExplicitZeroCacheWritePriceIsPreserved(t *testing.T) {
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bs := &BillingService{}
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resolver := NewModelPricingResolver(nil, bs)
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zero := 0.0
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t.Run("flat channel price", func(t *testing.T) {
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resolved := &ResolvedPricing{
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Mode: BillingModeToken,
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BasePricing: &ModelPricing{
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InputPricePerToken: 5e-6,
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OutputPricePerToken: 30e-6,
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},
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}
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resolver.applyTokenOverrides(&ChannelModelPricing{CacheWritePrice: &zero}, resolved)
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require.True(t, resolved.BasePricing.CacheCreationPriceExplicit)
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cost, err := bs.CalculateCostUnified(CostInput{
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Model: "gpt-5.6-sol",
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Tokens: UsageTokens{CacheCreationTokens: 100},
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RateMultiplier: 1,
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Resolver: resolver,
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Resolved: resolved,
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})
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require.NoError(t, err)
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require.Zero(t, cost.CacheCreationCost)
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})
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t.Run("interval price", func(t *testing.T) {
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pricing := intervalToModelPricing(&PricingInterval{CacheWritePrice: &zero}, &ModelPricing{}, nil)
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require.True(t, pricing.CacheCreationPriceExplicit)
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cost, err := bs.CalculateCostUnified(CostInput{
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Model: "gpt-5.6-sol",
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Tokens: UsageTokens{CacheCreationTokens: 100},
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RateMultiplier: 1,
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Resolver: resolver,
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Resolved: &ResolvedPricing{
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Mode: BillingModeToken,
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BasePricing: pricing,
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},
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})
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require.NoError(t, err)
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require.Zero(t, cost.CacheCreationCost)
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})
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}
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func TestGetRequestTierPrice(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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resolved := &ResolvedPricing{
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Mode: BillingModePerRequest,
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RequestTiers: []PricingInterval{
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{TierLabel: "1K", PerRequestPrice: testPtrFloat64(0.04)},
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{TierLabel: "2K", PerRequestPrice: testPtrFloat64(0.08)},
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},
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}
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require.InDelta(t, 0.04, r.GetRequestTierPrice(resolved, "1K"), 1e-12)
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require.InDelta(t, 0.08, r.GetRequestTierPrice(resolved, "2K"), 1e-12)
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require.InDelta(t, 0.0, r.GetRequestTierPrice(resolved, "4K"), 1e-12)
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}
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func TestGetRequestTierPriceByContext(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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resolved := &ResolvedPricing{
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Mode: BillingModePerRequest,
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RequestTiers: []PricingInterval{
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{MinTokens: 0, MaxTokens: testPtrInt(128000), PerRequestPrice: testPtrFloat64(0.05)},
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{MinTokens: 128000, MaxTokens: nil, PerRequestPrice: testPtrFloat64(0.10)},
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},
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}
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require.InDelta(t, 0.05, r.GetRequestTierPriceByContext(resolved, 50000), 1e-12)
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require.InDelta(t, 0.10, r.GetRequestTierPriceByContext(resolved, 200000), 1e-12)
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}
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func TestGetRequestTierPrice_NilPerRequestPrice(t *testing.T) {
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bs := newTestBillingServiceForResolver()
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r := NewModelPricingResolver(&ChannelService{}, bs)
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resolved := &ResolvedPricing{
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Mode: BillingModePerRequest,
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RequestTiers: []PricingInterval{
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{TierLabel: "1K", PerRequestPrice: nil},
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},
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}
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require.InDelta(t, 0.0, r.GetRequestTierPrice(resolved, "1K"), 1e-12)
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}
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// ===========================================================================
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// Channel override tests — exercises applyChannelOverrides via Resolve
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// ===========================================================================
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// helper: creates a resolver wired to a ChannelService that returns the given
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// channel (active, groupID=100, platform=anthropic) with the specified pricing.
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func newResolverWithChannel(t *testing.T, pricing []ChannelModelPricing) *ModelPricingResolver {
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t.Helper()
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const groupID = 100
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repo := &mockChannelRepository{
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listAllFn: func(_ context.Context) ([]Channel, error) {
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return []Channel{{
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ID: 1,
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Name: "test-channel",
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Status: StatusActive,
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GroupIDs: []int64{groupID},
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ModelPricing: pricing,
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}}, nil
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},
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getGroupPlatformsFn: func(_ context.Context, _ []int64) (map[int64]string, error) {
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return map[int64]string{groupID: "anthropic"}, nil
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},
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}
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cs := NewChannelService(repo, nil, nil, nil)
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bs := newTestBillingServiceForResolver()
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return NewModelPricingResolver(cs, bs)
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}
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// groupIDPtr returns a pointer to groupID 100 (the test constant).
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func groupIDPtr() *int64 { v := int64(100); return &v }
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// ---------------------------------------------------------------------------
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// 1. Token mode overrides
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// ---------------------------------------------------------------------------
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func TestResolve_WithChannelOverride_TokenFlat(t *testing.T) {
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"claude-sonnet-4"},
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BillingMode: BillingModeToken,
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InputPrice: testPtrFloat64(10e-6),
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OutputPrice: testPtrFloat64(50e-6),
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: groupIDPtr(),
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})
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require.NotNil(t, resolved)
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require.Equal(t, BillingModeToken, resolved.Mode)
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require.Equal(t, "channel", resolved.Source)
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require.NotNil(t, resolved.BasePricing)
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require.InDelta(t, 10e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
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require.Zero(t, resolved.BasePricing.InputPricePerTokenPriority)
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require.InDelta(t, 50e-6, resolved.BasePricing.OutputPricePerToken, 1e-12)
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require.Zero(t, resolved.BasePricing.OutputPricePerTokenPriority)
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}
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func TestResolve_WithChannelOverride_TokenPartialOverride(t *testing.T) {
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// Channel only sets InputPrice; OutputPrice should remain from the base (LiteLLM/fallback).
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"claude-sonnet-4"},
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BillingMode: BillingModeToken,
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InputPrice: testPtrFloat64(20e-6),
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// OutputPrice intentionally nil
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: groupIDPtr(),
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})
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require.NotNil(t, resolved)
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require.Equal(t, "channel", resolved.Source)
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require.NotNil(t, resolved.BasePricing)
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// InputPrice overridden by channel
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require.InDelta(t, 20e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
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// OutputPrice kept from base (fallback: 15e-6)
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require.InDelta(t, 15e-6, resolved.BasePricing.OutputPricePerToken, 1e-12)
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}
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func TestResolve_WithChannelOverride_TokenWithIntervals(t *testing.T) {
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"claude-sonnet-4"},
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BillingMode: BillingModeToken,
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Intervals: []PricingInterval{
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{MinTokens: 0, MaxTokens: testPtrInt(128000), InputPrice: testPtrFloat64(2e-6), OutputPrice: testPtrFloat64(8e-6)},
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{MinTokens: 128000, MaxTokens: nil, InputPrice: testPtrFloat64(4e-6), OutputPrice: testPtrFloat64(16e-6)},
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},
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: groupIDPtr(),
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Group: &Group{LongContextPricingEnabled: false},
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})
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require.NotNil(t, resolved)
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require.Equal(t, "channel", resolved.Source)
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require.False(t, resolved.longContextPricingEnabled)
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require.Len(t, resolved.Intervals, 2)
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// GetIntervalPricing should use channel intervals
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iv := r.GetIntervalPricing(resolved, 50000)
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require.NotNil(t, iv)
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require.InDelta(t, 2e-6, iv.InputPricePerToken, 1e-12)
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require.InDelta(t, 8e-6, iv.OutputPricePerToken, 1e-12)
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iv2 := r.GetIntervalPricing(resolved, 200000)
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require.NotNil(t, iv2)
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require.InDelta(t, 4e-6, iv2.InputPricePerToken, 1e-12)
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require.InDelta(t, 16e-6, iv2.OutputPricePerToken, 1e-12)
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}
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func TestResolve_WithChannelOverride_TokenNilBasePricing(t *testing.T) {
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// Base pricing is nil (unknown model), channel has flat prices → creates new BasePricing.
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"unknown-model-xyz"},
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BillingMode: BillingModeToken,
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InputPrice: testPtrFloat64(7e-6),
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OutputPrice: testPtrFloat64(21e-6),
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "unknown-model-xyz",
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GroupID: groupIDPtr(),
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})
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require.NotNil(t, resolved)
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require.Equal(t, "channel", resolved.Source)
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// BasePricing was nil from resolveBasePricing but applyTokenOverrides creates a new one
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require.NotNil(t, resolved.BasePricing)
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require.InDelta(t, 7e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
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require.InDelta(t, 21e-6, resolved.BasePricing.OutputPricePerToken, 1e-12)
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}
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// ---------------------------------------------------------------------------
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// 2. Per-request mode overrides
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// ---------------------------------------------------------------------------
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func TestResolve_WithChannelOverride_PerRequest(t *testing.T) {
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"claude-sonnet-4"},
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BillingMode: BillingModePerRequest,
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PerRequestPrice: testPtrFloat64(0.05),
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Intervals: []PricingInterval{
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{MinTokens: 0, MaxTokens: testPtrInt(128000), PerRequestPrice: testPtrFloat64(0.03)},
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{MinTokens: 128000, MaxTokens: nil, PerRequestPrice: testPtrFloat64(0.10)},
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},
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: groupIDPtr(),
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})
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require.NotNil(t, resolved)
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require.Equal(t, BillingModePerRequest, resolved.Mode)
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require.Equal(t, "channel", resolved.Source)
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require.InDelta(t, 0.05, resolved.DefaultPerRequestPrice, 1e-12)
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require.Len(t, resolved.RequestTiers, 2)
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// Verify tier lookups
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require.InDelta(t, 0.03, r.GetRequestTierPriceByContext(resolved, 50000), 1e-12)
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require.InDelta(t, 0.10, r.GetRequestTierPriceByContext(resolved, 200000), 1e-12)
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}
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func TestResolve_WithChannelOverride_PerRequestNilPrice(t *testing.T) {
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// PerRequestPrice nil → DefaultPerRequestPrice stays 0.
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"claude-sonnet-4"},
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BillingMode: BillingModePerRequest,
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// PerRequestPrice intentionally nil
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Intervals: []PricingInterval{
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{MinTokens: 0, MaxTokens: testPtrInt(128000), PerRequestPrice: testPtrFloat64(0.02)},
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},
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: groupIDPtr(),
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})
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require.NotNil(t, resolved)
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require.Equal(t, BillingModePerRequest, resolved.Mode)
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require.InDelta(t, 0.0, resolved.DefaultPerRequestPrice, 1e-12)
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require.Len(t, resolved.RequestTiers, 1)
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}
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// ---------------------------------------------------------------------------
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// 3. Image mode overrides
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// ---------------------------------------------------------------------------
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func TestResolve_WithChannelOverride_Image(t *testing.T) {
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"claude-sonnet-4"},
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BillingMode: BillingModeImage,
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PerRequestPrice: testPtrFloat64(0.08),
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Intervals: []PricingInterval{
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{TierLabel: "1K", PerRequestPrice: testPtrFloat64(0.04)},
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{TierLabel: "2K", PerRequestPrice: testPtrFloat64(0.08)},
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{TierLabel: "4K", PerRequestPrice: testPtrFloat64(0.16)},
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},
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: groupIDPtr(),
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})
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require.NotNil(t, resolved)
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require.Equal(t, BillingModeImage, resolved.Mode)
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require.Equal(t, "channel", resolved.Source)
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require.InDelta(t, 0.08, resolved.DefaultPerRequestPrice, 1e-12)
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require.Len(t, resolved.RequestTiers, 3)
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}
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func TestResolve_WithChannelOverride_ImageTierLabels(t *testing.T) {
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r := newResolverWithChannel(t, []ChannelModelPricing{{
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Platform: "anthropic",
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Models: []string{"claude-sonnet-4"},
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BillingMode: BillingModeImage,
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Intervals: []PricingInterval{
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{TierLabel: "1K", PerRequestPrice: testPtrFloat64(0.04)},
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{TierLabel: "2K", PerRequestPrice: testPtrFloat64(0.08)},
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{TierLabel: "4K", PerRequestPrice: testPtrFloat64(0.16)},
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},
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}})
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resolved := r.Resolve(context.Background(), PricingInput{
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Model: "claude-sonnet-4",
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GroupID: groupIDPtr(),
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})
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|
|
require.InDelta(t, 0.04, r.GetRequestTierPrice(resolved, "1K"), 1e-12)
|
|
require.InDelta(t, 0.08, r.GetRequestTierPrice(resolved, "2K"), 1e-12)
|
|
require.InDelta(t, 0.16, r.GetRequestTierPrice(resolved, "4K"), 1e-12)
|
|
require.InDelta(t, 0.0, r.GetRequestTierPrice(resolved, "8K"), 1e-12) // not found
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// 4. Source tracking & default mode
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestResolve_WithChannelOverride_SourceIsChannel(t *testing.T) {
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(1e-6),
|
|
}})
|
|
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
require.Equal(t, "channel", resolved.Source)
|
|
}
|
|
|
|
func TestResolve_WithChannelOverride_DefaultMode(t *testing.T) {
|
|
// Channel pricing with empty BillingMode → defaults to BillingModeToken.
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: "", // intentionally empty
|
|
InputPrice: testPtrFloat64(5e-6),
|
|
}})
|
|
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
require.Equal(t, "channel", resolved.Source)
|
|
require.Equal(t, BillingModeToken, resolved.Mode)
|
|
require.NotNil(t, resolved.BasePricing)
|
|
require.InDelta(t, 5e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// 5. GetIntervalPricing integration after channel override
|
|
// ---------------------------------------------------------------------------
|
|
|
|
func TestGetIntervalPricing_WithChannelIntervals(t *testing.T) {
|
|
// Channel provides intervals that override the base pricing path.
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
Intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(100000), InputPrice: testPtrFloat64(1e-6), OutputPrice: testPtrFloat64(5e-6)},
|
|
{MinTokens: 100000, MaxTokens: nil, InputPrice: testPtrFloat64(2e-6), OutputPrice: testPtrFloat64(10e-6)},
|
|
},
|
|
}})
|
|
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
// Token count 50000 matches first interval
|
|
pricing := r.GetIntervalPricing(resolved, 50000)
|
|
require.NotNil(t, pricing)
|
|
require.InDelta(t, 1e-6, pricing.InputPricePerToken, 1e-12)
|
|
require.InDelta(t, 5e-6, pricing.OutputPricePerToken, 1e-12)
|
|
|
|
// Token count 150000 matches second interval
|
|
pricing2 := r.GetIntervalPricing(resolved, 150000)
|
|
require.NotNil(t, pricing2)
|
|
require.InDelta(t, 2e-6, pricing2.InputPricePerToken, 1e-12)
|
|
require.InDelta(t, 10e-6, pricing2.OutputPricePerToken, 1e-12)
|
|
}
|
|
|
|
func TestGetIntervalPricing_ChannelIntervalsNoMatch(t *testing.T) {
|
|
// Channel intervals don't match token count → falls back to BasePricing.
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(4e-6),
|
|
Intervals: []PricingInterval{
|
|
// Only covers tokens > 50000
|
|
{MinTokens: 50000, MaxTokens: testPtrInt(200000), InputPrice: testPtrFloat64(9e-6)},
|
|
},
|
|
}})
|
|
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
// Token count 1000 doesn't match any interval (1000 <= 50000 minTokens)
|
|
pricing := r.GetIntervalPricing(resolved, 1000)
|
|
// Should fall back to BasePricing after applying the channel default.
|
|
require.NotNil(t, pricing)
|
|
require.Equal(t, resolved.BasePricing, pricing)
|
|
require.InDelta(t, 4e-6, pricing.InputPricePerToken, 1e-12)
|
|
}
|
|
|
|
// ===========================================================================
|
|
// 6. Error path tests
|
|
// ===========================================================================
|
|
|
|
func TestResolve_WithChannelOverride_CacheError(t *testing.T) {
|
|
// When ListAll returns an error, the ChannelService cache build fails.
|
|
// Resolve should gracefully fall back to base pricing without panicking.
|
|
repo := &mockChannelRepository{
|
|
listAllFn: func(_ context.Context) ([]Channel, error) {
|
|
return nil, errors.New("database unavailable")
|
|
},
|
|
}
|
|
cs := NewChannelService(repo, nil, nil, nil)
|
|
bs := newTestBillingServiceForResolver()
|
|
r := NewModelPricingResolver(cs, bs)
|
|
|
|
gid := int64(100)
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: &gid,
|
|
})
|
|
|
|
require.NotNil(t, resolved)
|
|
// Should NOT panic, should NOT have source "channel"
|
|
require.NotEqual(t, "channel", resolved.Source)
|
|
// Base pricing should still be present (from BillingService fallback)
|
|
require.NotNil(t, resolved.BasePricing)
|
|
require.InDelta(t, 3e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
|
|
}
|
|
|
|
// ===========================================================================
|
|
// 7. GetRequestTierPriceByContext boundary tests
|
|
// ===========================================================================
|
|
|
|
func TestGetRequestTierPriceByContext_EmptyTiers(t *testing.T) {
|
|
bs := newTestBillingServiceForResolver()
|
|
r := NewModelPricingResolver(&ChannelService{}, bs)
|
|
|
|
resolved := &ResolvedPricing{
|
|
Mode: BillingModePerRequest,
|
|
RequestTiers: nil, // empty
|
|
}
|
|
|
|
price := r.GetRequestTierPriceByContext(resolved, 50000)
|
|
require.InDelta(t, 0.0, price, 1e-12)
|
|
|
|
// Also test with explicit empty slice
|
|
resolved2 := &ResolvedPricing{
|
|
Mode: BillingModePerRequest,
|
|
RequestTiers: []PricingInterval{},
|
|
}
|
|
|
|
price2 := r.GetRequestTierPriceByContext(resolved2, 50000)
|
|
require.InDelta(t, 0.0, price2, 1e-12)
|
|
}
|
|
|
|
func TestGetRequestTierPriceByContext_ExactBoundary(t *testing.T) {
|
|
bs := newTestBillingServiceForResolver()
|
|
r := NewModelPricingResolver(&ChannelService{}, bs)
|
|
|
|
resolved := &ResolvedPricing{
|
|
Mode: BillingModePerRequest,
|
|
RequestTiers: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(128000), PerRequestPrice: testPtrFloat64(0.05)},
|
|
{MinTokens: 128000, MaxTokens: nil, PerRequestPrice: testPtrFloat64(0.10)},
|
|
},
|
|
}
|
|
|
|
// totalContextTokens = 128000 exactly:
|
|
// FindMatchingInterval checks: totalTokens > MinTokens && totalTokens <= MaxTokens
|
|
// For first interval: 128000 > 0 (true) && 128000 <= 128000 (true) → matches first interval
|
|
price := r.GetRequestTierPriceByContext(resolved, 128000)
|
|
require.InDelta(t, 0.05, price, 1e-12)
|
|
|
|
// totalContextTokens = 128001 should match second interval
|
|
// For first interval: 128001 > 0 (true) && 128001 <= 128000 (false) → no match
|
|
// For second interval: 128001 > 128000 (true) && MaxTokens == nil → matches
|
|
price2 := r.GetRequestTierPriceByContext(resolved, 128001)
|
|
require.InDelta(t, 0.10, price2, 1e-12)
|
|
}
|
|
|
|
// ===========================================================================
|
|
// 8. filterValidIntervals
|
|
// ===========================================================================
|
|
|
|
func TestFilterValidIntervals(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
intervals []PricingInterval
|
|
wantLen int
|
|
}{
|
|
{
|
|
name: "empty list",
|
|
intervals: nil,
|
|
wantLen: 0,
|
|
},
|
|
{
|
|
name: "all-nil interval filtered out",
|
|
intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(128000)},
|
|
},
|
|
wantLen: 0,
|
|
},
|
|
{
|
|
name: "interval with only InputPrice kept",
|
|
intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(128000), InputPrice: testPtrFloat64(1e-6)},
|
|
},
|
|
wantLen: 1,
|
|
},
|
|
{
|
|
name: "interval with only OutputPrice kept",
|
|
intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(128000), OutputPrice: testPtrFloat64(2e-6)},
|
|
},
|
|
wantLen: 1,
|
|
},
|
|
{
|
|
name: "interval with only CacheWritePrice kept",
|
|
intervals: []PricingInterval{
|
|
{MinTokens: 0, CacheWritePrice: testPtrFloat64(3e-6)},
|
|
},
|
|
wantLen: 1,
|
|
},
|
|
{
|
|
name: "interval with only CacheReadPrice kept",
|
|
intervals: []PricingInterval{
|
|
{MinTokens: 0, CacheReadPrice: testPtrFloat64(0.5e-6)},
|
|
},
|
|
wantLen: 1,
|
|
},
|
|
{
|
|
name: "interval with only PerRequestPrice kept",
|
|
intervals: []PricingInterval{
|
|
{TierLabel: "1K", PerRequestPrice: testPtrFloat64(0.04)},
|
|
},
|
|
wantLen: 1,
|
|
},
|
|
{
|
|
name: "interval with only multiplier kept",
|
|
intervals: []PricingInterval{
|
|
{MinTokens: 272000, InputMultiplier: testPtrFloat64(2)},
|
|
},
|
|
wantLen: 1,
|
|
},
|
|
{
|
|
name: "mixed valid and invalid",
|
|
intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(128000), InputPrice: testPtrFloat64(1e-6)},
|
|
{MinTokens: 128000, MaxTokens: nil}, // all-nil → filtered out
|
|
{MinTokens: 256000, OutputPrice: testPtrFloat64(5e-6)},
|
|
},
|
|
wantLen: 2,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
result := filterValidIntervals(tt.intervals)
|
|
require.Len(t, result, tt.wantLen)
|
|
})
|
|
}
|
|
}
|
|
|
|
// ===========================================================================
|
|
// 9. ImageOutputPriceExplicit tests
|
|
// ===========================================================================
|
|
|
|
func TestApplyTokenOverrides_FlatSetsImageOutputPriceExplicit(t *testing.T) {
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(3e-6),
|
|
OutputPrice: testPtrFloat64(15e-6),
|
|
// ImageOutputPrice intentionally nil
|
|
}})
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
require.Equal(t, PricingSourceChannel, resolved.Source)
|
|
require.True(t, resolved.BasePricing.ImageOutputPriceExplicit)
|
|
require.Equal(t, 0.0, resolved.BasePricing.ImageOutputPricePerToken)
|
|
}
|
|
|
|
func TestApplyTokenOverrides_FlatWithImageOutputPriceSetsExplicit(t *testing.T) {
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(3e-6),
|
|
OutputPrice: testPtrFloat64(15e-6),
|
|
ImageOutputPrice: testPtrFloat64(50e-6),
|
|
}})
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
require.True(t, resolved.BasePricing.ImageOutputPriceExplicit)
|
|
require.InDelta(t, 50e-6, resolved.BasePricing.ImageOutputPricePerToken, 1e-12)
|
|
}
|
|
|
|
func TestApplyTokenOverrides_IntervalSetsImageOutputPriceExplicit(t *testing.T) {
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
// No ImageOutputPrice
|
|
Intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(100000), InputPrice: testPtrFloat64(3e-6), OutputPrice: testPtrFloat64(15e-6)},
|
|
},
|
|
}})
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
// BasePricing should have explicit mark (for interval fallback)
|
|
require.True(t, resolved.BasePricing.ImageOutputPriceExplicit)
|
|
require.Equal(t, 0.0, resolved.BasePricing.ImageOutputPricePerToken)
|
|
|
|
// intervalToModelPricing should also have explicit mark
|
|
pricing := r.GetIntervalPricing(resolved, 50000)
|
|
require.True(t, pricing.ImageOutputPriceExplicit)
|
|
require.Equal(t, 0.0, pricing.ImageOutputPricePerToken)
|
|
}
|
|
|
|
// ===========================================================================
|
|
// 10. Regression: channel overrides must not pollute fallbackPrices
|
|
// ===========================================================================
|
|
|
|
// TestApplyTokenOverrides_FlatDoesNotPolluteFallbackPrices verifies that the
|
|
// flat-override path in applyTokenOverrides clones the BasePricing struct
|
|
// before mutation, so the shared fallbackPrices map entry is not written through.
|
|
func TestApplyTokenOverrides_FlatDoesNotPolluteFallbackPrices(t *testing.T) {
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(10e-6), // base is 3e-6
|
|
OutputPrice: testPtrFloat64(50e-6), // base is 15e-6
|
|
}})
|
|
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
// Resolved pricing should reflect the channel override
|
|
require.NotNil(t, resolved)
|
|
require.InDelta(t, 10e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
|
|
require.InDelta(t, 50e-6, resolved.BasePricing.OutputPricePerToken, 1e-12)
|
|
|
|
// Global fallbackPrices must NOT be polluted
|
|
fp := r.billingService.fallbackPrices["claude-sonnet-4"]
|
|
require.InDelta(t, 3e-6, fp.InputPricePerToken, 1e-12, "fallback InputPricePerToken polluted")
|
|
require.InDelta(t, 15e-6, fp.OutputPricePerToken, 1e-12, "fallback OutputPricePerToken polluted")
|
|
require.False(t, fp.ImageOutputPriceExplicit, "fallback ImageOutputPriceExplicit polluted")
|
|
}
|
|
|
|
// TestApplyTokenOverrides_IntervalDoesNotPolluteFallbackPrices verifies that
|
|
// the interval-override path also clones before mutation.
|
|
func TestApplyTokenOverrides_IntervalDoesNotPolluteFallbackPrices(t *testing.T) {
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic",
|
|
Models: []string{"claude-sonnet-4"},
|
|
BillingMode: BillingModeToken,
|
|
Intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(100000), InputPrice: testPtrFloat64(2e-6), OutputPrice: testPtrFloat64(8e-6)},
|
|
},
|
|
}})
|
|
|
|
resolved := r.Resolve(context.Background(), PricingInput{
|
|
Model: "claude-sonnet-4",
|
|
GroupID: groupIDPtr(),
|
|
})
|
|
|
|
require.NotNil(t, resolved)
|
|
require.True(t, resolved.BasePricing.ImageOutputPriceExplicit)
|
|
|
|
// Global fallbackPrices must NOT be polluted
|
|
fp := r.billingService.fallbackPrices["claude-sonnet-4"]
|
|
require.InDelta(t, 3e-6, fp.InputPricePerToken, 1e-12, "fallback InputPricePerToken polluted")
|
|
require.InDelta(t, 15e-6, fp.OutputPricePerToken, 1e-12, "fallback OutputPricePerToken polluted")
|
|
require.False(t, fp.ImageOutputPriceExplicit, "fallback ImageOutputPriceExplicit polluted")
|
|
}
|
|
|
|
func TestResolve_GroupPricingOverridesChannel(t *testing.T) {
|
|
r := newResolverWithChannel(t, []ChannelModelPricing{{
|
|
Platform: "anthropic", Models: []string{"claude-sonnet-4"}, BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(10e-6), OutputPrice: testPtrFloat64(20e-6),
|
|
}})
|
|
group := &Group{ID: 100, ModelPricing: []ChannelModelPricing{{
|
|
Models: []string{"claude-sonnet-*"}, BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(1e-6), OutputPrice: testPtrFloat64(2e-6),
|
|
}}}
|
|
resolved := r.Resolve(context.Background(), PricingInput{Model: "claude-sonnet-4", GroupID: groupIDPtr(), Group: group})
|
|
|
|
require.Equal(t, PricingSourceGroup, resolved.Source)
|
|
require.InDelta(t, 1e-6, resolved.BasePricing.InputPricePerToken, 1e-12)
|
|
require.InDelta(t, 2e-6, resolved.BasePricing.OutputPricePerToken, 1e-12)
|
|
}
|
|
|
|
func TestResolve_GroupLongContextUsesPresetNotCustomIntervals(t *testing.T) {
|
|
bs := newTestBillingServiceForResolver()
|
|
bs.fallbackPrices["claude-sonnet-4"].LongContextInputThreshold = 200000
|
|
bs.fallbackPrices["claude-sonnet-4"].LongContextThresholdInclusive = true
|
|
bs.fallbackPrices["claude-sonnet-4"].LongContextInputMultiplier = 2
|
|
bs.fallbackPrices["claude-sonnet-4"].LongContextOutputMultiplier = 2
|
|
r := NewModelPricingResolver(nil, bs)
|
|
group := &Group{ID: 100, ModelPricing: []ChannelModelPricing{{
|
|
Models: []string{"claude-sonnet-4"}, BillingMode: BillingModeToken,
|
|
InputPrice: testPtrFloat64(1e-6), OutputPrice: testPtrFloat64(2e-6),
|
|
Intervals: []PricingInterval{
|
|
{MinTokens: 0, MaxTokens: testPtrInt(200000), InputPrice: testPtrFloat64(9e-6)},
|
|
{MinTokens: 200000, InputPrice: testPtrFloat64(18e-6)},
|
|
},
|
|
}}}
|
|
|
|
resolved := r.Resolve(context.Background(), PricingInput{Model: "claude-sonnet-4", Group: group})
|
|
require.False(t, resolved.longContextPricingEnabled)
|
|
require.Empty(t, resolved.Intervals, "group token intervals are not a user-facing long-context ladder")
|
|
require.InDelta(t, 1e-6, r.GetIntervalPricing(resolved, 300000).InputPricePerToken, 1e-12)
|
|
require.Equal(t, 200000, resolved.BasePricing.LongContextInputThreshold)
|
|
|
|
group.LongContextPricingEnabled = true
|
|
resolved = r.Resolve(context.Background(), PricingInput{Model: "claude-sonnet-4", Group: group})
|
|
require.True(t, resolved.longContextPricingEnabled)
|
|
require.Empty(t, resolved.Intervals)
|
|
require.InDelta(t, 1e-6, r.GetIntervalPricing(resolved, 300000).InputPricePerToken, 1e-12)
|
|
require.Equal(t, 200000, resolved.BasePricing.LongContextInputThreshold)
|
|
require.InDelta(t, 2.0, resolved.BasePricing.LongContextInputMultiplier, 1e-12)
|
|
}
|
|
|
|
func TestCalculateCostUnified_UsesContinuousMediaUnits(t *testing.T) {
|
|
bs := newTestBillingServiceForResolver()
|
|
r := NewModelPricingResolver(nil, bs)
|
|
price := 0.08
|
|
group := &Group{ModelPricing: []ChannelModelPricing{{
|
|
Models: []string{"grok-voice-think-fast-2.0"}, BillingMode: BillingModePerRequest,
|
|
PerRequestPrice: &price,
|
|
}}}
|
|
cost, err := bs.CalculateCostUnified(CostInput{
|
|
Ctx: context.Background(), Model: "grok-voice-think-fast-2.0", Group: group,
|
|
UsageUnits: 1.5, RateMultiplier: 1, Resolver: r,
|
|
})
|
|
require.NoError(t, err)
|
|
require.InDelta(t, 0.12, cost.TotalCost, 1e-12)
|
|
}
|