Integration test: gnmi suite. Fix treepath tests

pkg/northbound/gnmi/set.go

@@ -353,31 +353,43 @@ func (s *Server) checkForReadOnly(target string, deviceType devicetype.Type, ver
 
 	// Now iterate through the consolidated set of targets and see if any are read-only paths
 	for path := range targetUpdates { // map - just need the key
-		log.Infof("Testing %s for read only", path)
-		for ropath := range model {
-			// Search through for list indices and replace with generic
-			modelPath := modelregistry.RemovePathIndices(path)
-			if strings.HasPrefix(modelPath, ropath) {
-				return fmt.Errorf("update contains a change to a read only path %s. Rejected", path)
-			}
+		if err := compareRoPaths(path, model); err != nil {
+			return fmt.Errorf("update %s", err)
 		}
 	}
 
 	// Now iterate through the consolidated set of targets and see if any are read-only paths
 	for _, path := range targetRemoves { // map - just need the key
-		log.Infof("Testing %s for read only", path)
-		for ropath := range model {
-			// Search through for list indices and replace with generic
-			modelPath := modelregistry.RemovePathIndices(path)
-			if strings.HasPrefix(modelPath, ropath) {
-				return fmt.Errorf("remove contains a change to a read only path %s. Rejected", path)
-			}
+		if err := compareRoPaths(path, model); err != nil {
+			return fmt.Errorf("remove %s", err)
 		}
 	}
 
 	return nil
 }
 
+func compareRoPaths(path string, model modelregistry.ReadOnlyPathMap) error {
+	log.Infof("Testing %s for read only", path)
+	for ropath, subpaths := range model {
+		// Search through for list indices and replace with generic
+		modelPath := modelregistry.RemovePathIndices(path)
+		if strings.HasPrefix(modelPath, ropath) {
+			for s := range subpaths {
+				fullpath := ropath
+				if s != "/" {
+					fullpath = fmt.Sprintf("%s%s", ropath, s)
+				}
+				if fullpath == modelPath {
+					return fmt.Errorf("contains a change to a "+
+						"read only path %s. Rejected. %s, %s, %s, %s",
+						path, modelPath, ropath, s, fullpath)
+				}
+			}
+		}
+	}
+	return nil
+}
+
 func buildUpdateResult(pathStr string, target string, op gnmi.UpdateResult_Operation) (*gnmi.UpdateResult, error) {
 	path, errInPath := utils.ParseGNMIElements(utils.SplitPath(pathStr))
 	if errInPath != nil {

pkg/northbound/gnmi/set_test.go

@@ -521,7 +521,7 @@ func TestSet_checkForReadOnly(t *testing.T) {
 	err := server.checkForReadOnly("device-1", "TestDevice", "1.0.0", updateT1, make([]string, 0))
 	assert.NilError(t, err, "unexpected error on T1")
 	err = server.checkForReadOnly("device-2", "TestDevice", "1.0.0", updateT2, make([]string, 0))
-	assert.Error(t, err, `update contains a change to a read only path /cont1a/cont2a/leaf2c. Rejected`)
+	assert.Error(t, err, `update contains a change to a read only path /cont1a/cont2a/leaf2c. Rejected. /cont1a/cont2a/leaf2c, /cont1a/cont2a/leaf2c, /, /cont1a/cont2a/leaf2c`)
 }
 
 // Tests giving a new device without specifying a type