MM-12648: Properly unescape OpenGraph metadata containing HTML entities. (#9891)

app/opengraph_test.go

@@ -8,6 +8,7 @@ import (
 	"testing"
 
 	"github.com/dyatlov/go-opengraph/opengraph"
+	"github.com/stretchr/testify/assert"
 )
 
 func BenchmarkForceHTMLEncodingToUTF8(b *testing.B) {
@@ -127,3 +128,14 @@ func TestMakeOpenGraphURLsAbsolute(t *testing.T) {
 		})
 	}
 }
+
+func TestOpenGraphDecodeHtmlEntities(t *testing.T) {
+	og := opengraph.NewOpenGraph()
+	og.Title = "Test's are the best.©"
+	og.Description = "Test's are the worst.©"
+
+	openGraphDecodeHtmlEntities(og)
+
+	assert.Equal(t, og.Title, "Test's are the best.©")
+	assert.Equal(t, og.Description, "Test's are the worst.©")
+}