add more tests

rpcx/internal/serverinterceptors/timeoutinterceptor_test.go

@@ -2,6 +2,7 @@ package serverinterceptors
 
 import (
 	"context"
+	"sync"
 	"testing"
 	"time"
 
@@ -13,9 +14,28 @@ func TestUnaryTimeoutInterceptor(t *testing.T) {
 	interceptor := UnaryTimeoutInterceptor(time.Millisecond * 10)
 	_, err := interceptor(context.Background(), nil, &grpc.UnaryServerInfo{
 		FullMethod: "/",
-	}, func(
-		ctx context.Context, req interface{}) (interface{}, error) {
+	}, func(ctx context.Context, req interface{}) (interface{}, error) {
 		return nil, nil
 	})
 	assert.Nil(t, err)
 }
+
+func TestUnaryTimeoutInterceptor_timeout(t *testing.T) {
+	const timeout = time.Millisecond * 10
+	interceptor := UnaryTimeoutInterceptor(timeout)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+	defer cancel()
+	var wg sync.WaitGroup
+	wg.Add(1)
+	_, err := interceptor(ctx, nil, &grpc.UnaryServerInfo{
+		FullMethod: "/",
+	}, func(ctx context.Context, req interface{}) (interface{}, error) {
+		defer wg.Done()
+		tm, ok := ctx.Deadline()
+		assert.True(t, ok)
+		assert.True(t, tm.Before(time.Now().Add(timeout+time.Millisecond)))
+		return nil, nil
+	})
+	wg.Wait()
+	assert.Nil(t, err)
+}