chore: update memo metadata description

plugin/gomark/render/string/string_test.go

@@ -0,0 +1,34 @@
+package string
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/usememos/memos/plugin/gomark/parser"
+	"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
+)
+
+func TestStringRender(t *testing.T) {
+	tests := []struct {
+		text     string
+		expected string
+	}{
+		{
+			text:     "Hello world!",
+			expected: `Hello world!`,
+		},
+		{
+			text:     "**Hello** world!",
+			expected: `Hello world!`,
+		},
+	}
+
+	for _, test := range tests {
+		tokens := tokenizer.Tokenize(test.text)
+		nodes, err := parser.Parse(tokens)
+		require.NoError(t, err)
+		actual := NewStringRender().Render(nodes)
+		require.Equal(t, test.expected, actual)
+	}
+}