test: debugging

Author: elhimov

.github/workflows/testing.yml

@@ -273,6 +273,9 @@ jobs:
           cd "${SRCDIR}"
           make deps
 
+      - name: Setup tmate session
+        uses: mxschmitt/action-tmate@v3
+
       - name: Run regression tests
         run: |
           cd "${SRCDIR}"

pool/connection_pool_test.go

@@ -1041,12 +1041,15 @@ func TestCloseGraceful(t *testing.T) {
 }
 
 type testHandler struct {
-	discovered, deactivated uint32
-	errs                    []error
+	t           *testing.T
+	discovered  uint32
+	deactivated uint32
+	errs        []error
 }
 
 func (h *testHandler) addErr(err error) {
 	h.errs = append(h.errs, err)
+	h.t.Logf("handler error: %s", err)
 }
 
 func (h *testHandler) Discovered(name string, conn *tarantool.Connection,
@@ -1118,7 +1121,7 @@ func TestConnectionHandlerOpenUpdateClose(t *testing.T) {
 	err := test_helpers.SetClusterRO(makeDialers(poolServers), connOpts, roles)
 	require.Nilf(t, err, "fail to set roles for cluster")
 
-	h := &testHandler{}
+	h := &testHandler{t: t}
 	poolOpts := pool.Opts{
 		CheckTimeout:      100 * time.Microsecond,
 		ConnectionHandler: h,

test_helpers/pool_helper.go

@@ -202,8 +202,9 @@ func SetInstanceRO(ctx context.Context, dialer tarantool.Dialer, connOpts tarant
 
 	req := tarantool.NewCallRequest("box.cfg").
 		Args([]interface{}{map[string]bool{"read_only": isReplica}})
-	if _, err := conn.Do(req).Get(); err != nil {
-		return err
+	if resp, err := conn.Do(req).Get(); err != nil {
+		// return err
+		return fmt.Errorf("%w: resp: %v", err, resp)
 	}
 
 	return nil