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package stats
import (
"context"
"path/filepath"
"sync"
"testing"
"time"
)
func TestUpdateAndSnapshot_Single(t *testing.T) {
t.Setenv("XDG_CACHE_HOME", t.TempDir())
SetWindow(2 * time.Minute)
if err := Update(context.Background(), "prov", "model", 10, 20); err != nil {
t.Fatalf("update: %v", err)
}
snap, err := TakeSnapshot()
if err != nil {
t.Fatalf("snapshot: %v", err)
}
if snap.Global.Reqs != 1 || snap.Global.Sent != 10 || snap.Global.Recv != 20 {
t.Fatalf("unexpected snap: %+v", snap)
}
if snap.Providers["prov"].Totals.Reqs != 1 || snap.Providers["prov"].Models["model"].Reqs != 1 {
t.Fatalf("missing provider/model aggregates: %+v", snap)
}
}
func TestUpdate_PrunesOld_ByWindow(t *testing.T) {
t.Setenv("XDG_CACHE_HOME", t.TempDir())
SetWindow(2 * time.Second)
ctx := context.Background()
if err := Update(ctx, "p", "m", 1, 1); err != nil {
t.Fatal(err)
}
time.Sleep(2200 * time.Millisecond)
if err := Update(ctx, "p", "m", 2, 2); err != nil {
t.Fatal(err)
}
snap, err := TakeSnapshot()
if err != nil {
t.Fatal(err)
}
if snap.Global.Reqs != 1 || snap.Global.Sent != 2 || snap.Global.Recv != 2 {
t.Fatalf("expected first event pruned, got %+v", snap)
}
}
func TestConcurrentUpdates_LockSafety(t *testing.T) {
t.Setenv("XDG_CACHE_HOME", t.TempDir())
SetWindow(1 * time.Minute)
ctx := context.Background()
var wg sync.WaitGroup
n := 20
for i := 0; i < n; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
if err := Update(ctx, "p", "m", i, i); err != nil {
t.Errorf("update %d: %v", i, err)
}
}(i)
}
wg.Wait()
snap, err := TakeSnapshot()
if err != nil {
t.Fatal(err)
}
if snap.Global.Reqs != int64(n) {
t.Fatalf("reqs mismatch: %d", snap.Global.Reqs)
}
}
func TestCacheDir_XDG(t *testing.T) {
dir := t.TempDir()
t.Setenv("XDG_CACHE_HOME", dir)
got, err := CacheDir()
if err != nil {
t.Fatal(err)
}
want := filepath.Join(dir, "hexai")
if got != want {
t.Fatalf("got %q want %q", got, want)
}
}
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