test(server: add rounds for concurrency test

src/server/server_concurrency_test.go

@@ -56,14 +56,17 @@ func TestConcurrency(t *testing.T) {
 	}
 	adminToken := client.GetCookie(resp.Cookies(), q.TokenCookie)
 
-	userCount := 5
+	userCount := 2
 	userPwd := "1234"
 	users := addUsers(t, addr, userPwd, userCount, adminToken)
-	filesCount := 10
+	filesCount := 5
+	rounds := 2
 
-	var wg sync.WaitGroup
 	t.Run("Upload and download concurrently", func(t *testing.T) {
+		for i := 0; i < rounds; i++ {
 			clients := []*MockClient{}
+			var wg sync.WaitGroup
+
 			for userName := range users {
 				client := &MockClient{errs: []error{}}
 				clients = append(clients, client)
@@ -82,5 +85,7 @@ func TestConcurrency(t *testing.T) {
 			if len(errs) > 0 {
 				t.Fatal(joinErrs(errs))
 			}
+		}
+
 	})
 }

src/server/test_helpers.go

@@ -337,4 +337,16 @@ func (cl *MockClient) uploadAndDownload(tb testing.TB, addr, name, pwd string, f
 		))
 		return
 	}
+
+	// truncate all files
+	for i := 1; i < filesCount; i++ {
+		resp, _, errs = filesCl.Delete(getFilePath(name, i))
+		if len(errs) > 0 {
+			cl.errs = append(cl.errs, errs...)
+			return
+		} else if resp.StatusCode != 200 {
+			cl.errs = append(cl.errs, errors.New("failed to delete file"))
+			return
+		}
+	}
 }