diff --git a/app/server/server_test.go b/app/server/server_test.go
index dd738cc..4aa920e 100644
--- a/app/server/server_test.go
+++ b/app/server/server_test.go
@@ -2,6 +2,9 @@ package server
 
 import (
 	"context"
+	"fmt"
+	"os"
+	"path/filepath"
 	"sync"
 	"testing"
 	"time"
@@ -12,12 +15,21 @@ import (
 )
 
 func TestService(t *testing.T) {
+	var srvport int64 = 10250
+	srvdir := t.TempDir()
+	srvaddr := fmt.Sprintf("127.0.0.1:%d", srvport)
+
 	srv, err := NewServer()
 	require.NoError(t, err)
 	{
 		err = srv.Configure()
 		require.NoError(t, err)
 
+		srv.SetDatadir(srvdir)
+		srv.SetLogdir(srvdir)
+		srv.SetRundir(srvdir)
+		srv.SetPort(srvport)
+
 		err = srv.Build()
 		require.NoError(t, err)
 
@@ -42,15 +54,31 @@ func TestService(t *testing.T) {
 		go startFunc()
 		time.Sleep(1 * time.Second)
 	}
-
 	{
+		fmt.Printf("=== ServiceHello ===\n")
 		cli := client.NewClient()
-
 		ctx := context.Background()
 		ctx, _ = context.WithTimeout(ctx, 1*time.Second)
 
-		helloRes, err := cli.ServiceHello(ctx, "127.0.0.1:1025/hello")
+		helloRes, err := cli.ServiceHello(ctx, srvaddr+"/hello")
 		require.NoError(t, err)
 		require.True(t, helloRes)
 	}
+	{
+		tmpdir := t.TempDir()
+		tmpfile := filepath.Join(tmpdir, "foo.bin")
+
+		filedata := make([]byte, 16)
+		err := os.WriteFile(tmpfile, filedata, 0666)
+		require.NoError(t, err)
+
+		fmt.Printf("=== PutFile ===\n")
+		cli := client.NewClient()
+		ctx := context.Background()
+		ctx, _ = context.WithTimeout(ctx, 1*time.Second)
+
+		err = cli.PutFile(ctx, tmpfile, srvaddr+"/foo.bin")
+		require.NoError(t, err)
+
+	}
 }