feat: implement gomark parsers

plugin/gomark/parser/bold_italic_test.go

@@ -0,0 +1,49 @@
+package parser
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/usememos/memos/plugin/gomark/ast"
+	"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
+)
+
+func TestBoldItalicParser(t *testing.T) {
+	tests := []struct {
+		text       string
+		boldItalic ast.Node
+	}{
+		{
+			text:       "*Hello world!",
+			boldItalic: nil,
+		},
+		{
+			text: "***Hello***",
+			boldItalic: &ast.BoldItalic{
+				Symbol:  "*",
+				Content: "Hello",
+			},
+		},
+		{
+			text: "*** Hello ***",
+			boldItalic: &ast.BoldItalic{
+				Symbol:  "*",
+				Content: " Hello ",
+			},
+		},
+		{
+			text:       "*** Hello * *",
+			boldItalic: nil,
+		},
+		{
+			text:       "*** Hello **",
+			boldItalic: nil,
+		},
+	}
+
+	for _, test := range tests {
+		tokens := tokenizer.Tokenize(test.text)
+		require.Equal(t, test.boldItalic, NewBoldItalicParser().Parse(tokens))
+	}
+}