feat(gomark): add bold parser (#1724)

plugin/gomark/parser/bold_test.go

@@ -0,0 +1,88 @@
+package parser
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
+)
+
+func TestBoldParser(t *testing.T) {
+	tests := []struct {
+		text string
+		bold *BoldParser
+	}{
+		{
+			text: "*Hello world!",
+			bold: nil,
+		},
+		{
+			text: "**Hello**",
+			bold: &BoldParser{
+				ContentTokens: []*tokenizer.Token{
+					{
+						Type:  tokenizer.Text,
+						Value: "Hello",
+					},
+				},
+			},
+		},
+		{
+			text: "** Hello **",
+			bold: &BoldParser{
+				ContentTokens: []*tokenizer.Token{
+					{
+						Type:  tokenizer.Space,
+						Value: " ",
+					},
+					{
+						Type:  tokenizer.Text,
+						Value: "Hello",
+					},
+					{
+						Type:  tokenizer.Space,
+						Value: " ",
+					},
+				},
+			},
+		},
+		{
+			text: "** Hello * *",
+			bold: nil,
+		},
+		{
+			text: "* * Hello **",
+			bold: nil,
+		},
+		{
+			text: `** Hello 
+**`,
+			bold: nil,
+		},
+		{
+			text: `**Hello \n**`,
+			bold: &BoldParser{
+				ContentTokens: []*tokenizer.Token{
+					{
+						Type:  tokenizer.Text,
+						Value: "Hello",
+					},
+					{
+						Type:  tokenizer.Space,
+						Value: " ",
+					},
+					{
+						Type:  tokenizer.Text,
+						Value: `\n`,
+					},
+				},
+			},
+		},
+	}
+
+	for _, test := range tests {
+		tokens := tokenizer.Tokenize(test.text)
+		bold := NewBoldParser()
+		require.Equal(t, test.bold, bold.Match(tokens))
+	}
+}