610 lines
19 KiB
Go
610 lines
19 KiB
Go
package requestlog
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import (
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"context"
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"math"
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"testing"
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"time"
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gormsqlite "github.com/glebarez/sqlite"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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"gpt-load/internal/storage/models"
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)
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func TestQueryUsageHourAggregatesFiltersAndLeavesSparseBucketsAbsent(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 1, 0, 0, 0, 0, time.UTC)
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rows := make([]models.UsageStat, 0, 26)
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for hour := 0; hour < 24; hour++ {
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if hour == 7 {
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continue
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}
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rows = append(rows, usageStat(start.Add(time.Duration(hour)*time.Hour), 7, "target", int64(hour+1)))
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}
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rows = append(rows,
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usageStat(start.Add(3*time.Hour), 8, "target", 500),
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usageStat(start.Add(4*time.Hour), 7, "other", 600),
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usageStat(start.Add(7*time.Hour), 8, "target", 700),
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)
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rows[0].PartialCount = 1
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createUsageStats(t, db, rows...)
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groupID := uint(7)
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report, err := service.QueryUsage(context.Background(), UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(24 * time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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GroupID: &groupID,
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Model: "target",
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrderRequests,
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})
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if err != nil {
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t.Fatalf("QueryUsage() error = %v", err)
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}
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if report.Summary.RequestCount != 292 || report.Summary.SuccessCount != 292 ||
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report.Summary.FailureCount != 0 || report.Summary.UncachedInputTokens != 2920 ||
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report.Summary.CacheReadTokens != 292 || report.Summary.CacheWrite5MTokens != 20 ||
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report.Summary.CacheWrite1HTokens != 49 || report.Summary.OutputTokens != 584 ||
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report.Summary.EstimatedCostNanoUSD != 29_200_000_000 ||
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report.Summary.UsageMissingCount != 12 ||
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report.Summary.PartialCount != 1 || report.Summary.UnpricedRequestCount != 12 {
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t.Fatalf("summary = %#v", report.Summary)
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}
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if len(report.Series) != 23 {
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t.Fatalf("series length = %d, want 23 actual hour buckets", len(report.Series))
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}
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for _, point := range report.Series {
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if point.BucketStartMS == start.Add(7*time.Hour).UnixMilli() {
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t.Fatalf("series synthesized missing hour: %#v", point)
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}
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if point.BucketEndMS-point.BucketStartMS != 3_600_000 {
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t.Fatalf(
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"hour point duration = %dms, want 3600000",
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point.BucketEndMS-point.BucketStartMS,
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)
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}
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}
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if len(report.Breakdown) != 1 || report.Breakdown[0].GroupID != 7 ||
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report.Breakdown[0].Model != "target" || report.Breakdown[0].RequestCount != 292 ||
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report.BreakdownTruncated {
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t.Fatalf("filtered breakdown = %#v truncated=%t", report.Breakdown, report.BreakdownTruncated)
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}
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}
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func TestQueryUsageMergesHourlyRowsIntoThirtyUTCDays(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.June, 1, 0, 0, 0, 0, time.UTC)
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rows := make([]models.UsageStat, 0, 60)
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for day := 0; day < 30; day++ {
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bucket := start.AddDate(0, 0, day)
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rows = append(rows,
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usageStat(bucket.Add(2*time.Hour), 9, "merge", 1),
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usageStat(bucket.Add(18*time.Hour), 9, "merge", 2),
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)
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}
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createUsageStats(t, db, rows...)
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report, err := service.QueryUsage(context.Background(), UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.AddDate(0, 0, 30).UnixMilli(),
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Granularity: UsageGranularityDay,
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrderRequests,
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})
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if err != nil {
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t.Fatalf("QueryUsage() error = %v", err)
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}
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if len(report.Series) != 30 || report.Summary.RequestCount != 90 {
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t.Fatalf("day series/summary = %d/%#v, want 30/90", len(report.Series), report.Summary)
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}
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for day, point := range report.Series {
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wantStart := start.AddDate(0, 0, day)
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if point.BucketStartMS != wantStart.UnixMilli() ||
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point.BucketEndMS != wantStart.AddDate(0, 0, 1).UnixMilli() ||
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point.RequestCount != 3 || point.SuccessCount != 3 || point.FailureCount != 0 ||
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point.UncachedInputTokens != 30 || point.CacheReadTokens != 3 || point.OutputTokens != 6 ||
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point.EstimatedCostNanoUSD != 300_000_000 ||
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point.UsageMissingCount != 1 || point.UnpricedRequestCount != 1 {
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t.Fatalf("day %d point = %#v", day, point)
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}
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}
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}
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func TestQueryUsageLimitsBreakdownToStableTopHundred(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 2, 0, 0, 0, 0, time.UTC)
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rows := make([]models.UsageStat, 0, 101)
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for groupID := uint(1); groupID <= 101; groupID++ {
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rows = append(rows, usageStat(start, groupID, "same-count", 1))
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}
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createUsageStats(t, db, rows...)
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report, err := service.QueryUsage(context.Background(), UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrderRequests,
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})
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if err != nil {
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t.Fatalf("QueryUsage() error = %v", err)
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}
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if len(report.Breakdown) != 100 || !report.BreakdownTruncated {
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t.Fatalf("breakdown length/truncated = %d/%t, want 100/true", len(report.Breakdown), report.BreakdownTruncated)
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}
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if report.Summary.RequestCount != 101 {
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t.Fatalf("summary request count = %d, want all 101 rows", report.Summary.RequestCount)
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}
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for index, row := range report.Breakdown {
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if row.GroupID != uint(index+1) || row.Model != "same-count" || row.RequestCount != 1 {
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t.Fatalf("breakdown[%d] = %#v, want stable group order", index, row)
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}
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}
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}
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func TestQueryUsageOrdersBreakdownByRequestsAndCost(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 2, 1, 0, 0, 0, time.UTC)
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requestHeavy := usageStat(start, 1, "request-heavy", 20)
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requestHeavy.EstimatedCostNanoUSD = 1_000_000_000
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expensiveLowRequests := usageStat(start, 2, "expensive-low", 5)
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expensiveLowRequests.EstimatedCostNanoUSD = 10_000_000_000
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expensiveHighRequests := usageStat(start, 3, "expensive-high", 7)
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expensiveHighRequests.EstimatedCostNanoUSD = 10_000_000_000
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createUsageStats(t, db, requestHeavy, expensiveLowRequests, expensiveHighRequests)
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tests := []struct {
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name string
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order UsageBreakdownOrder
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want []uint
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}{
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{
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name: "requests use cost then identity tie breakers",
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order: UsageBreakdownOrderRequests,
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want: []uint{1, 3, 2},
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},
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{
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name: "cost uses requests then identity tie breakers",
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order: UsageBreakdownOrderCost,
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want: []uint{3, 2, 1},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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report, err := service.QueryUsage(context.Background(), UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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Limit: 100,
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BreakdownOrder: test.order,
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})
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if err != nil {
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t.Fatalf("QueryUsage() error = %v", err)
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}
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if report.BreakdownOrder != test.order || report.BreakdownGroupCount != 3 {
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t.Fatalf(
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"breakdown metadata = %q/%d, want %q/3",
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report.BreakdownOrder,
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report.BreakdownGroupCount,
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test.order,
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)
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}
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if len(report.Breakdown) != len(test.want) {
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t.Fatalf("breakdown = %#v, want %d rows", report.Breakdown, len(test.want))
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}
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for index, wantGroupID := range test.want {
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if report.Breakdown[index].GroupID != wantGroupID {
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t.Fatalf(
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"breakdown[%d].GroupID = %d, want %d; report=%#v",
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index,
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report.Breakdown[index].GroupID,
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wantGroupID,
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report.Breakdown,
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)
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}
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}
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})
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}
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}
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func TestQueryUsageCountsDistinctBreakdownGroupsWithinFilters(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 2, 2, 0, 0, 0, time.UTC)
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createUsageStats(
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t,
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db,
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usageStat(start, 1, "model-a", 1),
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usageStat(start, 1, "model-b", 1),
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usageStat(start, 2, "model-a", 1),
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usageStat(start, 3, "model-b", 1),
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)
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groupID := uint(1)
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tests := []struct {
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name string
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groupID *uint
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model string
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want int64
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}{
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{name: "all groups", want: 3},
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{name: "one group across models", groupID: &groupID, want: 1},
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{name: "model a", model: "model-a", want: 2},
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{name: "model b", model: "model-b", want: 2},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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report, err := service.QueryUsage(context.Background(), UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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GroupID: test.groupID,
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Model: test.model,
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrderRequests,
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})
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if err != nil {
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t.Fatalf("QueryUsage() error = %v", err)
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}
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if report.BreakdownGroupCount != test.want {
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t.Fatalf(
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"BreakdownGroupCount = %d, want %d; report=%#v",
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report.BreakdownGroupCount,
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test.want,
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report,
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)
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}
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})
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}
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}
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func TestQueryUsageRejectsInvalidBreakdownOrder(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 2, 3, 0, 0, 0, time.UTC)
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_, err := service.QueryUsage(context.Background(), UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrder("unknown"),
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})
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if err == nil {
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t.Fatal("QueryUsage() error = nil, want invalid breakdown order rejection")
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}
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}
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func TestQueryUsageUsesOneReadSnapshot(t *testing.T) {
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db, dsn := openRequestLogFileDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 3, 0, 0, 0, 0, time.UTC)
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createUsageStats(t, db, usageStat(start, 1, "before", 1))
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writerDB, closeWriter := openUsageQueryWriterDB(t, dsn)
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defer closeWriter()
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inserted := false
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const callbackName = "test:usage_query_snapshot_insert"
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if err := db.Callback().Query().After("gorm:query").Register(callbackName, func(tx *gorm.DB) {
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if inserted || tx.Statement.Table != "usage_stats" {
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return
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}
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inserted = true
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if err := writerDB.Create(&models.UsageStat{
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BucketStartMS: start.UnixMilli(),
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GroupID: 2,
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Model: "after-summary",
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RequestCount: 1,
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SuccessCount: 1,
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}).Error; err != nil {
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t.Errorf("insert concurrent UsageStat: %v", err)
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}
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}); err != nil {
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t.Fatalf("register query callback: %v", err)
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}
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t.Cleanup(func() {
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if err := db.Callback().Query().Remove(callbackName); err != nil {
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t.Errorf("remove query callback: %v", err)
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}
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})
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report, err := service.QueryUsage(context.Background(), UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrderRequests,
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})
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if err != nil {
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t.Fatalf("QueryUsage() error = %v", err)
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}
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if !inserted || report.Summary.RequestCount != 1 || len(report.Series) != 1 ||
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report.BreakdownGroupCount != 1 ||
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len(report.Breakdown) != 1 || report.Breakdown[0].Model != "before" {
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t.Fatalf("report did not retain one snapshot: inserted=%t report=%#v", inserted, report)
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}
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}
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func TestQueryUsageCancelsAfterBeginWithoutPoisoningDatabaseConnection(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 4, 0, 0, 0, 0, time.UTC)
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createUsageStats(t, db, usageStat(start, 1, "cancelled", 1))
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cancelled := false
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const callbackName = "test:usage_query_cancel_after_begin"
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if err := db.Callback().Query().After("gorm:query").Register(callbackName, func(tx *gorm.DB) {
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if cancelled || tx.Statement.Table != "usage_stats" {
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return
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}
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cancelled = true
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cancel()
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}); err != nil {
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t.Fatalf("register query callback: %v", err)
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}
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defer func() {
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if err := db.Callback().Query().Remove(callbackName); err != nil {
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t.Errorf("remove query callback: %v", err)
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}
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}()
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_, err := service.QueryUsage(ctx, UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrderRequests,
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})
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if err == nil || !cancelled {
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t.Fatalf("QueryUsage() error/cancelled = %v/%t, want cancelled query", err, cancelled)
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}
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var count int64
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if err := db.Model(&models.UsageStat{}).Count(&count).Error; err != nil || count != 1 {
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t.Fatalf("query after cancellation = %d/%v, want 1/nil", count, err)
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}
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if err := db.Create(&models.UsageStat{
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BucketStartMS: start.UnixMilli(),
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GroupID: 2,
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Model: "after-cancellation",
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RequestCount: 1,
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SuccessCount: 1,
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}).Error; err != nil {
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t.Fatalf("write after cancellation: %v", err)
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}
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}
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func TestQueryUsageRejectsCorruptRowsOutsideTopBreakdown(t *testing.T) {
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db := openRequestLogQueryDB(t)
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service := newRequestLogTestService(db)
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start := time.Date(2026, time.July, 5, 0, 0, 0, 0, time.UTC)
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rows := make([]models.UsageStat, 0, 102)
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for groupID := uint(1); groupID <= 100; groupID++ {
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rows = append(rows, usageStat(start, groupID, "top", 3))
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}
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compensating := usageStat(start, 101, "compensating", 2)
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compensating.SuccessCount = 2
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compensating.FailureCount = 0
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compensating.UncachedInputTokens = 1
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compensating.EstimatedCostNanoUSD = 1_000_000_000
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corrupt := usageStat(start, 102, "corrupt", 1)
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corrupt.SuccessCount = 1
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corrupt.FailureCount = 0
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corrupt.UncachedInputTokens = -1
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rows = append(rows, compensating, corrupt)
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createCorruptUsageStats(t, db, rows...)
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input := UsageQuery{
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FromMS: start.UnixMilli(),
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ToMS: start.Add(time.Hour).UnixMilli(),
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Granularity: UsageGranularityHour,
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Limit: 100,
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BreakdownOrder: UsageBreakdownOrderRequests,
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}
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if summary, err := queryUsageSummary(usageStatScope(db, input)); err != nil || summary.RequestCount != 303 {
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t.Fatalf("pre-integrity summary = %#v/%v, want valid 303-request aggregate", summary, err)
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}
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if series, err := queryUsageSeries(usageStatScope(db, input), input.Granularity); err != nil || len(series) != 1 {
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t.Fatalf("pre-integrity series = %#v/%v, want one valid hour aggregate", series, err)
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}
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if breakdown, truncated, err := queryUsageBreakdown(
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usageStatScope(db, input),
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input.Limit,
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input.BreakdownOrder,
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); err != nil ||
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len(breakdown) != 100 || !truncated || breakdown[99].GroupID != 100 {
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t.Fatalf("pre-integrity breakdown = %#v/%t/%v, want valid top 100 without group 102", breakdown, truncated, err)
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}
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_, err := service.QueryUsage(context.Background(), input)
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if err == nil {
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t.Fatal("QueryUsage() error = nil, want corrupt 102nd breakdown row rejection")
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}
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}
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func TestDiscardUsageReadConnectionTreatsBadConnectionAsSuccessfulCleanup(t *testing.T) {
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db := openRequestLogQueryDB(t)
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sqlDB, err := db.DB()
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if err != nil {
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t.Fatalf("get requestlog database: %v", err)
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}
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connection, err := sqlDB.Conn(context.Background())
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if err != nil {
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t.Fatalf("get requestlog connection: %v", err)
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}
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if err := discardUsageReadConnection(connection); err != nil {
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t.Fatalf("discardUsageReadConnection() error = %v, want nil", err)
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}
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}
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func TestQueryUsageRejectsCorruptAggregates(t *testing.T) {
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start := time.Date(2026, time.July, 4, 0, 0, 0, 0, time.UTC)
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tests := []struct {
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name string
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rows []models.UsageStat
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}{
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{
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name: "negative count",
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rows: []models.UsageStat{func() models.UsageStat {
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row := usageStat(start, 1, "negative", 1)
|
|
row.FailureCount = -1
|
|
return row
|
|
}()},
|
|
},
|
|
{
|
|
name: "negative input tokens",
|
|
rows: []models.UsageStat{func() models.UsageStat {
|
|
row := usageStat(start, 1, "negative-input", 1)
|
|
row.UncachedInputTokens = -1
|
|
return row
|
|
}()},
|
|
},
|
|
{
|
|
name: "negative cached tokens",
|
|
rows: []models.UsageStat{func() models.UsageStat {
|
|
row := usageStat(start, 1, "negative-cache", 1)
|
|
row.CacheWrite5MTokens = -1
|
|
return row
|
|
}()},
|
|
},
|
|
{
|
|
name: "request count mismatch",
|
|
rows: []models.UsageStat{func() models.UsageStat {
|
|
row := usageStat(start, 1, "mismatch", 3)
|
|
row.SuccessCount = 1
|
|
row.FailureCount = 1
|
|
return row
|
|
}()},
|
|
},
|
|
{
|
|
name: "checked total token overflow",
|
|
rows: []models.UsageStat{func() models.UsageStat {
|
|
row := usageStat(start, 1, "token-overflow", 1)
|
|
row.UncachedInputTokens = math.MaxInt64
|
|
row.OutputTokens = 1
|
|
return row
|
|
}()},
|
|
},
|
|
{
|
|
name: "checked count overflow",
|
|
rows: []models.UsageStat{
|
|
{
|
|
BucketStartMS: start.UnixMilli(),
|
|
GroupID: 1,
|
|
Model: "overflow-a",
|
|
RequestCount: math.MaxInt64,
|
|
SuccessCount: math.MaxInt64,
|
|
},
|
|
{
|
|
BucketStartMS: start.UnixMilli(),
|
|
GroupID: 2,
|
|
Model: "overflow-b",
|
|
RequestCount: 1,
|
|
SuccessCount: 1,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
name: "checked cost overflow",
|
|
rows: []models.UsageStat{func() models.UsageStat {
|
|
row := usageStat(start, 1, "huge-cost-a", 1)
|
|
row.EstimatedCostNanoUSD = math.MaxInt64
|
|
return row
|
|
}(), func() models.UsageStat {
|
|
row := usageStat(start, 2, "huge-cost-b", 1)
|
|
row.EstimatedCostNanoUSD = math.MaxInt64
|
|
return row
|
|
}()},
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
db := openRequestLogQueryDB(t)
|
|
createCorruptUsageStats(t, db, test.rows...)
|
|
_, err := newRequestLogTestService(db).QueryUsage(context.Background(), UsageQuery{
|
|
FromMS: start.UnixMilli(),
|
|
ToMS: start.Add(time.Hour).UnixMilli(),
|
|
Granularity: UsageGranularityHour,
|
|
Limit: 100,
|
|
BreakdownOrder: UsageBreakdownOrderRequests,
|
|
})
|
|
if err == nil {
|
|
t.Fatal("QueryUsage() error = nil, want corrupt aggregate rejection")
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func usageStat(hour time.Time, groupID uint, model string, requestCount int64) models.UsageStat {
|
|
return models.UsageStat{
|
|
BucketStartMS: hour.UTC().UnixMilli(),
|
|
GroupID: groupID,
|
|
Model: model,
|
|
RequestCount: requestCount,
|
|
SuccessCount: requestCount,
|
|
UncachedInputTokens: requestCount * 10,
|
|
OutputTokens: requestCount * 2,
|
|
CacheReadTokens: requestCount,
|
|
CacheWrite5MTokens: requestCount / 10,
|
|
CacheWrite1HTokens: requestCount / 5,
|
|
EstimatedCostNanoUSD: requestCount * 100_000_000,
|
|
UsageMissingCount: requestCount % 2,
|
|
PartialCount: 0,
|
|
UnpricedRequestCount: requestCount % 2,
|
|
}
|
|
}
|
|
|
|
func createUsageStats(t *testing.T, db *gorm.DB, rows ...models.UsageStat) {
|
|
t.Helper()
|
|
for _, row := range rows {
|
|
if err := db.Create(&row).Error; err != nil {
|
|
t.Fatalf("create UsageStat %#v: %v", row, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func createCorruptUsageStats(t *testing.T, db *gorm.DB, rows ...models.UsageStat) {
|
|
t.Helper()
|
|
if err := db.Exec(`PRAGMA ignore_check_constraints = ON`).Error; err != nil {
|
|
t.Fatalf("disable SQLite CHECK constraints: %v", err)
|
|
}
|
|
for _, row := range rows {
|
|
if err := db.Create(&row).Error; err != nil {
|
|
t.Fatalf("create corrupt UsageStat %#v: %v", row, err)
|
|
}
|
|
}
|
|
if err := db.Exec(`PRAGMA ignore_check_constraints = OFF`).Error; err != nil {
|
|
t.Fatalf("restore SQLite CHECK constraints: %v", err)
|
|
}
|
|
}
|
|
|
|
func openUsageQueryWriterDB(t *testing.T, dsn string) (*gorm.DB, func()) {
|
|
t.Helper()
|
|
db, err := gorm.Open(
|
|
gormsqlite.Open(dsn+"?_pragma=busy_timeout(5000)"),
|
|
&gorm.Config{Logger: logger.Default.LogMode(logger.Silent)},
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("open concurrent UsageStat writer: %v", err)
|
|
}
|
|
sqlDB, err := db.DB()
|
|
if err != nil {
|
|
t.Fatalf("get concurrent UsageStat writer DB: %v", err)
|
|
}
|
|
return db, func() {
|
|
if err := sqlDB.Close(); err != nil {
|
|
t.Errorf("close concurrent UsageStat writer: %v", err)
|
|
}
|
|
}
|
|
}
|