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sub2api/backend/internal/service/openai_profit_control_test.go
T

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package service
import (
"context"
"errors"
"math"
"testing"
"time"
"github.com/Wei-Shaw/sub2api/internal/config"
"github.com/Wei-Shaw/sub2api/internal/pkg/ctxkey"
"github.com/Wei-Shaw/sub2api/internal/pkg/timezone"
"github.com/stretchr/testify/require"
)
func profitControlTestGroup(id int64, margin, buffer float64) *Group {
return &Group{
ID: id,
Platform: PlatformOpenAI,
Status: StatusActive,
Hydrated: true,
RateMultiplier: 1.0,
SubscriptionType: SubscriptionTypeStandard,
ProfitControlEnabled: true,
ProfitMinMargin: margin,
ProfitSafetyBuffer: buffer,
}
}
func profitControlTestCtx(group *Group) context.Context {
return context.WithValue(context.Background(), ctxkey.Group, group)
}
func profitControlTestAccountWithRate(account *Account, rate float64) *Account {
account.RateMultiplier = &rate
return account
}
func TestResolveOpenAIProfitControlGate(t *testing.T) {
svc := &OpenAIGatewayService{}
groupID := int64(7)
t.Run("nil group id yields no gate", func(t *testing.T) {
require.Nil(t, svc.resolveOpenAIProfitControlGate(context.Background(), nil))
})
t.Run("no ctx group and no snapshot yields no gate", func(t *testing.T) {
require.Nil(t, svc.resolveOpenAIProfitControlGate(context.Background(), &groupID))
})
t.Run("disabled group yields no gate", func(t *testing.T) {
group := profitControlTestGroup(groupID, 0.3, 0)
group.ProfitControlEnabled = false
require.Nil(t, svc.resolveOpenAIProfitControlGate(profitControlTestCtx(group), &groupID))
})
t.Run("non openai or grok platform yields no gate even if enabled", func(t *testing.T) {
group := profitControlTestGroup(groupID, 0.3, 0)
group.Platform = PlatformAnthropic
require.Nil(t, svc.resolveOpenAIProfitControlGate(profitControlTestCtx(group), &groupID))
})
t.Run("grok group routed through openai handler installs gate", func(t *testing.T) {
group := profitControlTestGroup(groupID, 0.3, 0.05)
group.Platform = PlatformGrok
group.RateMultiplier = 0.5
gate := svc.resolveOpenAIProfitControlGate(profitControlTestCtx(group), &groupID)
require.NotNil(t, gate)
require.Equal(t, PlatformGrok, gate.platform)
require.InDelta(t, 0.5*(1-0.35), gate.threshold, 1e-12)
})
t.Run("ctx group id mismatch without snapshot yields no gate", func(t *testing.T) {
group := profitControlTestGroup(groupID+1, 0.3, 0)
require.Nil(t, svc.resolveOpenAIProfitControlGate(profitControlTestCtx(group), &groupID))
})
t.Run("threshold composes margin and buffer from downstream rate", func(t *testing.T) {
group := profitControlTestGroup(groupID, 0.3, 0.05)
group.RateMultiplier = 2.0
gate := svc.resolveOpenAIProfitControlGate(profitControlTestCtx(group), &groupID)
require.NotNil(t, gate)
require.InDelta(t, 2.0*(1-0.35), gate.threshold, 1e-12)
require.Equal(t, PlatformOpenAI, gate.platform)
require.False(t, gate.pricingAt.IsZero())
require.Equal(t, groupID, gate.groupID)
})
t.Run("threshold applies peak factor exactly like billing", func(t *testing.T) {
group := profitControlTestGroup(groupID, 0.5, 0)
group.SubscriptionType = SubscriptionTypeSubscription
group.PeakRateEnabled = true
group.PeakStart = "00:00"
group.PeakEnd = "23:59"
group.PeakRateMultiplier = 3.0
gate := svc.resolveOpenAIProfitControlGate(profitControlTestCtx(group), &groupID)
require.NotNil(t, gate)
expected := group.RateMultiplier * group.PeakMultiplierAt(timezone.Now()) * 0.5
require.InDelta(t, expected, gate.threshold, 1e-9)
require.Equal(t, PlatformOpenAI, gate.platform)
})
}
func TestOpenAIProfitControlVetoReason(t *testing.T) {
now := time.Now()
gateCtx := func(threshold float64) context.Context {
return context.WithValue(context.Background(), openAIProfitControlGateCtxKey{}, &openAIProfitControlGate{
threshold: threshold,
pricingAt: now,
})
}
t.Run("no gate admits everything", func(t *testing.T) {
vetoed, reason := openAIProfitControlVetoReason(context.Background(), upstreamCostTestOAuthAccount(1))
require.False(t, vetoed)
require.Empty(t, reason)
})
t.Run("fresh rate below threshold admits", func(t *testing.T) {
account := profitControlTestAccountWithRate(upstreamCostTestAccount(1, UpstreamBillingProbeStatusOK, 99, now.Add(-time.Minute), 30*time.Minute), 0.5)
vetoed, _ := openAIProfitControlVetoReason(gateCtx(0.7), account)
require.False(t, vetoed)
})
t.Run("rate exactly at threshold admits via epsilon", func(t *testing.T) {
account := profitControlTestAccountWithRate(upstreamCostTestAccount(1, UpstreamBillingProbeStatusOK, 99, now.Add(-time.Minute), 30*time.Minute), 0.7)
vetoed, _ := openAIProfitControlVetoReason(gateCtx(0.7), account)
require.False(t, vetoed)
})
t.Run("rate within float noise above threshold admits", func(t *testing.T) {
account := profitControlTestAccountWithRate(upstreamCostTestAccount(1, UpstreamBillingProbeStatusOK, 99, now.Add(-time.Minute), 30*time.Minute), 0.7+1e-12)
vetoed, _ := openAIProfitControlVetoReason(gateCtx(0.7), account)
require.False(t, vetoed)
})
t.Run("rate above threshold is vetoed", func(t *testing.T) {
account := profitControlTestAccountWithRate(upstreamCostTestAccount(1, UpstreamBillingProbeStatusOK, 0.1, now.Add(-time.Minute), 30*time.Minute), 0.8)
vetoed, reason := openAIProfitControlVetoReason(gateCtx(0.7), account)
require.True(t, vetoed)
require.Equal(t, openAIProfitFilterReasonThreshold, reason)
})
t.Run("zero threshold only admits free upstream", func(t *testing.T) {
free := profitControlTestAccountWithRate(upstreamCostTestAccount(1, UpstreamBillingProbeStatusOK, 99, now.Add(-time.Minute), 30*time.Minute), 0)
vetoed, _ := openAIProfitControlVetoReason(gateCtx(0), free)
require.False(t, vetoed)
paid := profitControlTestAccountWithRate(upstreamCostTestAccount(2, UpstreamBillingProbeStatusOK, 0, now.Add(-time.Minute), 30*time.Minute), 0.01)
vetoed, reason := openAIProfitControlVetoReason(gateCtx(0), paid)
require.True(t, vetoed)
require.Equal(t, openAIProfitFilterReasonThreshold, reason)
})
t.Run("missing account rate is invalid", func(t *testing.T) {
vetoed, reason := openAIProfitControlVetoReason(gateCtx(0.7), upstreamCostTestOAuthAccount(1))
require.True(t, vetoed)
require.Equal(t, openAIProfitFilterReasonInvalidAccountRate, reason)
})
t.Run("oauth account with manual rate is priceable", func(t *testing.T) {
account := profitControlTestAccountWithRate(upstreamCostTestOAuthAccount(1), 0.2)
vetoed, _ := openAIProfitControlVetoReason(gateCtx(0.7), account)
require.False(t, vetoed)
})
t.Run("stale probe does not affect manual account rate", func(t *testing.T) {
account := profitControlTestAccountWithRate(upstreamCostTestAccount(1, UpstreamBillingProbeStatusOK, 99, now.Add(-3*time.Hour), 30*time.Minute), 0.1)
vetoed, _ := openAIProfitControlVetoReason(gateCtx(0.7), account)
require.False(t, vetoed)
})
t.Run("negative and non-finite rates are invalid", func(t *testing.T) {
for _, rate := range []float64{-1, math.NaN(), math.Inf(1)} {
account := profitControlTestAccountWithRate(upstreamCostTestOAuthAccount(1), rate)
vetoed, reason := openAIProfitControlVetoReason(gateCtx(0.7), account)
require.True(t, vetoed)
require.Equal(t, openAIProfitFilterReasonInvalidAccountRate, reason)
}
})
}
func TestProfitControlSchedulerFiltersCandidates(t *testing.T) {
resetOpenAIAdvancedSchedulerSettingCacheForTest()
defer resetOpenAIAdvancedSchedulerSettingCacheForTest()
now := time.Now()
cheap := upstreamCostTestAccount(1, UpstreamBillingProbeStatusOK, 0.3, now.Add(-time.Minute), 30*time.Minute)
expensive := upstreamCostTestAccount(2, UpstreamBillingProbeStatusOK, 0.8, now.Add(-time.Minute), 30*time.Minute)
oauth := upstreamCostTestOAuthAccount(3)
profitControlTestAccountWithRate(cheap, 0.3)
profitControlTestAccountWithRate(expensive, 0.8)
for _, account := range []*Account{cheap, expensive, oauth} {
account.Status = StatusActive
account.Schedulable = true
account.Concurrency = 5
}
cache := &upstreamCostTrackingConcurrencyCache{loadMap: map[int64]*AccountLoadInfo{
cheap.ID: {AccountID: cheap.ID},
expensive.ID: {AccountID: expensive.ID},
oauth.ID: {AccountID: oauth.ID},
}}
cfg := &config.Config{}
svc := &OpenAIGatewayService{
accountRepo: schedulerTestOpenAIAccountRepo{accounts: []Account{*cheap, *expensive, *oauth}},
cfg: cfg,
rateLimitService: newOpenAIAdvancedSchedulerRateLimitService("true"),
concurrencyService: NewConcurrencyService(cache),
}
groupID := int64(7)
t.Run("unprofitable and invalid-rate accounts never win", func(t *testing.T) {
// margin 0.5 → 阈值 0.5expensive(0.8) 超阈值、oauth 倍率缺失,仅 cheap 可选。
ctx := profitControlTestCtx(profitControlTestGroup(groupID, 0.5, 0))
for i := 0; i < 5; i++ {
selection, _, err := svc.SelectAccountWithScheduler(ctx, &groupID, "", "", "gpt-test", nil, OpenAIUpstreamTransportAny, false)
require.NoError(t, err)
require.NotNil(t, selection)
require.Equal(t, cheap.ID, selection.Account.ID)
if selection.ReleaseFunc != nil {
selection.ReleaseFunc()
}
}
})
t.Run("all excluded surfaces standard no-available error with profit reasons", func(t *testing.T) {
// margin+buffer 0.8 → 阈值 0.2cheap/expensive 超阈值,oauth 倍率非法。
ctx := profitControlTestCtx(profitControlTestGroup(groupID, 0.7, 0.1))
selection, _, err := svc.SelectAccountWithScheduler(ctx, &groupID, "", "", "gpt-test", nil, OpenAIUpstreamTransportAny, false)
require.Nil(t, selection)
require.Error(t, err)
require.True(t, errors.Is(err, ErrNoAvailableAccounts))
require.Contains(t, err.Error(), openAIProfitFilterReasonThreshold+"=2")
require.Contains(t, err.Error(), openAIProfitFilterReasonInvalidAccountRate+"=1")
})
t.Run("manually rated oauth account is admitted", func(t *testing.T) {
// 阈值 0.2 排除两个 API KeyOAuth 手工倍率 0.1 可参与调度。
profitControlTestAccountWithRate(oauth, 0.1)
svc.accountRepo = schedulerTestOpenAIAccountRepo{accounts: []Account{*cheap, *expensive, *oauth}}
ctx := profitControlTestCtx(profitControlTestGroup(groupID, 0.7, 0.1))
selection, _, err := svc.SelectAccountWithScheduler(ctx, &groupID, "", "", "gpt-test", nil, OpenAIUpstreamTransportAny, false)
require.NoError(t, err)
require.NotNil(t, selection)
require.Equal(t, oauth.ID, selection.Account.ID)
if selection.ReleaseFunc != nil {
selection.ReleaseFunc()
}
})
t.Run("gate disabled keeps official behavior", func(t *testing.T) {
group := profitControlTestGroup(groupID, 0.7, 0.1)
group.ProfitControlEnabled = false
selection, _, err := svc.SelectAccountWithScheduler(profitControlTestCtx(group), &groupID, "", "", "gpt-test", nil, OpenAIUpstreamTransportAny, false)
require.NoError(t, err)
require.NotNil(t, selection)
if selection.ReleaseFunc != nil {
selection.ReleaseFunc()
}
})
}
func TestValidateProfitControlConfig(t *testing.T) {
require.NoError(t, ValidateProfitControlConfig(PlatformAnthropic, false, 0, 0))
for _, platform := range []string{PlatformOpenAI, PlatformAnthropic, PlatformGemini, PlatformGrok, PlatformAntigravity} {
require.NoError(t, ValidateProfitControlConfig(platform, true, 0.3, 0.05))
require.NoError(t, ValidateProfitControlConfig(platform, true, 0, 0))
}
require.Error(t, ValidateProfitControlConfig(PlatformComposite, true, 0.3, 0))
require.Error(t, ValidateProfitControlConfig(PlatformOpenAI, true, -0.1, 0))
require.Error(t, ValidateProfitControlConfig(PlatformOpenAI, true, 1.0, 0))
require.Error(t, ValidateProfitControlConfig(PlatformOpenAI, true, 0, 1.0))
require.Error(t, ValidateProfitControlConfig(PlatformOpenAI, true, 0.6, 0.4))
}
func TestNormalizeProfitControlConfig(t *testing.T) {
t.Run("unsupported platform resets everything", func(t *testing.T) {
enabled, margin, buffer := NormalizeProfitControlConfig(PlatformComposite, true, 0.3, 0.1)
require.False(t, enabled)
require.Zero(t, margin)
require.Zero(t, buffer)
})
t.Run("all five platforms retain configuration", func(t *testing.T) {
for _, platform := range []string{PlatformOpenAI, PlatformAnthropic, PlatformGemini, PlatformGrok, PlatformAntigravity} {
enabled, margin, buffer := NormalizeProfitControlConfig(platform, true, 0.3, 0.1)
require.True(t, enabled)
require.InDelta(t, 0.3, margin, 1e-12)
require.InDelta(t, 0.1, buffer, 1e-12)
}
})
t.Run("openai disabled keeps legal values and cleans dirty ones", func(t *testing.T) {
enabled, margin, buffer := NormalizeProfitControlConfig(PlatformOpenAI, false, 0.3, 0.05)
require.False(t, enabled)
require.InDelta(t, 0.3, margin, 1e-12)
require.InDelta(t, 0.05, buffer, 1e-12)
_, margin, buffer = NormalizeProfitControlConfig(PlatformOpenAI, false, -1, 1.5)
require.Zero(t, margin)
require.Zero(t, buffer)
})
t.Run("openai enabled passes through for validation", func(t *testing.T) {
enabled, margin, buffer := NormalizeProfitControlConfig(PlatformOpenAI, true, 0.3, 0.05)
require.True(t, enabled)
require.InDelta(t, 0.3, margin, 1e-12)
require.InDelta(t, 0.05, buffer, 1e-12)
})
}