Fixed issue #115

Signed-off-by: quobix <dave@quobix.com>

git/read_local_test.go

@@ -37,7 +37,7 @@ func TestExtractHistoryFromFile(t *testing.T) {
 	history, _ := ExtractHistoryFromFile("./", "read_local.go", c, e, 25)
 	<-d
 	assert.NotNil(t, history)
-	assert.Equal(t, "adding read_local.go to test repo code", history[len(history)-1].Message)
+	assert.Equal(t, "refactoring sketch code", history[len(history)-1].Message)
 }
 
 func TestExtractHistoryFromFile_Fail(t *testing.T) {

tui/build_tree.go

@@ -56,7 +56,11 @@ func buildTreeNode(root *tview.TreeNode, object any) *tview.TreeNode {
 			continue
 
 		case reflect.TypeOf([]*whatChangedModel.Change{}):
-			topChanges = append(topChanges, field.Elem().Interface().([]*whatChangedModel.Change)...)
+			slice, ok := field.Interface().([]*whatChangedModel.Change)
+			if !ok {
+				continue
+			}
+			topChanges = append(topChanges, slice...)
 			continue
 
 		case reflect.TypeOf(&whatChangedModel.InfoChanges{}):

tui/build_tree_test.go

@@ -0,0 +1,31 @@
+// Copyright 2023-2024 Princess Beef Heavy Industries, LLC / Dave Shanley
+// https://pb33f.io
+
+package tui
+
+import (
+	whatChangedModel "github.com/pb33f/libopenapi/what-changed/model"
+	"github.com/rivo/tview"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+// reported in https://github.com/pb33f/openapi-changes/issues/115
+func TestBuildTreeModel_SliceOfChanges(t *testing.T) {
+
+	// create a dummy slice of whatChangedModel slice
+	changed := []*whatChangedModel.Change{
+		{
+			ChangeType: whatChangedModel.PropertyAdded,
+		},
+		{
+			ChangeType: whatChangedModel.PropertyRemoved,
+		},
+	}
+
+	p := &whatChangedModel.PropertyChanges{Changes: changed}=
+	f := tview.TreeNode{}
+	v := buildTreeNode(&f, p)
+	assert.NotNil(t, v)
+	assert.Equal(t, 2, len(v.GetChildren()))
+}