feat: implement paragraph and italic parsers (#1725)

plugin/gomark/parser/italic_test.go

@@ -0,0 +1,94 @@
+package parser
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/usememos/memos/plugin/gomark/parser/tokenizer"
+)
+
+func TestItalicParser(t *testing.T) {
+	tests := []struct {
+		text   string
+		italic *ItalicParser
+	}{
+		{
+			text:   "*Hello world!",
+			italic: nil,
+		},
+		{
+			text: "*Hello*",
+			italic: &ItalicParser{
+				ContentTokens: []*tokenizer.Token{
+					{
+						Type:  tokenizer.Text,
+						Value: "Hello",
+					},
+				},
+			},
+		},
+		{
+			text: "* Hello *",
+			italic: &ItalicParser{
+				ContentTokens: []*tokenizer.Token{
+					{
+						Type:  tokenizer.Space,
+						Value: " ",
+					},
+					{
+						Type:  tokenizer.Text,
+						Value: "Hello",
+					},
+					{
+						Type:  tokenizer.Space,
+						Value: " ",
+					},
+				},
+			},
+		},
+		{
+			text:   "** Hello * *",
+			italic: nil,
+		},
+		{
+			text: "*1* Hello * *",
+			italic: &ItalicParser{
+				ContentTokens: []*tokenizer.Token{
+					{
+						Type:  tokenizer.Text,
+						Value: "1",
+					},
+				},
+			},
+		},
+		{
+			text: `* \n * Hello * *`,
+			italic: &ItalicParser{
+				ContentTokens: []*tokenizer.Token{
+					{
+						Type:  tokenizer.Space,
+						Value: " ",
+					},
+					{
+						Type:  tokenizer.Text,
+						Value: `\n`,
+					},
+					{
+						Type:  tokenizer.Space,
+						Value: " ",
+					},
+				},
+			},
+		},
+		{
+			text:   "* \n * Hello * *",
+			italic: nil,
+		},
+	}
+
+	for _, test := range tests {
+		tokens := tokenizer.Tokenize(test.text)
+		italic := NewItalicParser()
+		require.Equal(t, test.italic, italic.Match(tokens))
+	}
+}