snapshot of https://github.com/ent/ent.git (master, 2026-09-15; blobs > 131072B omitted)

dialect/gremlin/encoding/graphson/error_test.go

@@ -0,0 +1,30 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package graphson
+
+import (
+	"bytes"
+	"errors"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestErrorCodec(t *testing.T) {
+	codec := errorCodec{errors.New("codec error")}
+	assert.False(t, codec.IsEmpty(nil))
+
+	var buf bytes.Buffer
+	stream := config.BorrowStream(&buf)
+	defer config.ReturnStream(stream)
+	codec.Encode(nil, stream)
+	assert.Empty(t, buf.Bytes())
+	assert.EqualError(t, stream.Error, codec.Error())
+
+	iter := config.BorrowIterator([]byte{})
+	defer config.ReturnIterator(iter)
+	codec.Decode(nil, iter)
+	assert.EqualError(t, iter.Error, codec.Error())
+}