feat: tps limit for OneDrive policy

pkg/request/tpslimiter_test.go

@@ -0,0 +1,46 @@
+package request
+
+import (
+	"context"
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func TestLimit(t *testing.T) {
+	a := assert.New(t)
+	l := NewTPSLimiter()
+	finished := make(chan struct{})
+	go func() {
+		l.Limit(context.Background(), "token", 1, 1)
+		close(finished)
+	}()
+	select {
+	case <-finished:
+	case <-time.After(10 * time.Second):
+		a.Fail("Limit should be finished instantly.")
+	}
+
+	finished = make(chan struct{})
+	go func() {
+		l.Limit(context.Background(), "token", 1, 1)
+		close(finished)
+	}()
+	select {
+	case <-finished:
+	case <-time.After(2 * time.Second):
+		a.Fail("Limit should be finished in 1 second.")
+	}
+
+	finished = make(chan struct{})
+	go func() {
+		l.Limit(context.Background(), "token", 10, 1)
+		close(finished)
+	}()
+	select {
+	case <-finished:
+	case <-time.After(1 * time.Second):
+		a.Fail("Limit should be finished instantly.")
+	}
+
+}