// Copyright 2025 The Forgejo Authors. All rights reserved.// SPDX-License-Identifier: MIT package code import (	"html/template"	"strings"	"testing" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func TestHighlightSearchResultCode(t *testing.T) {	opts := []struct {		Title  string		File   string		Lines  []int		Range  [][3]int		Code   string		Result []template.HTML	}{		{			Title: "One Match Text",			File:  "test.txt",			Range: [][3]int{{1, 5, 9}},			Code:  "First Line\nMark this only\nThe End",			Result: []template.HTML{				"First Line",				"Mark <span class=\"search-highlight\">this</span> only",				"The End",			},		},		{			Title: "Two Match Text",			File:  "test.txt",			Range: [][3]int{				{1, 5, 9},				{2, 5, 9},			},			Code: "First Line\nMark this only\nMark this too\nThe End",			Result: []template.HTML{				"First Line",				"Mark <span class=\"search-highlight\">this</span> only",				"Mark <span class=\"search-highlight\">this</span> too",				"The End",			},		},		{			Title: "Unicode Before",			File:  "test.txt",			Range: [][3]int{{1, 10, 14}},			Code:  "First Line\nMark 👉 this only\nThe End",			Result: []template.HTML{				"First Line",				"Mark 👉 <span class=\"search-highlight\">this</span> only",				"The End",			},		},		{			Title: "Unicode Between",			File:  "test.txt",			Range: [][3]int{{1, 5, 14}},			Code:  "First Line\nMark this 😊 only\nThe End",			Result: []template.HTML{				"First Line",				"Mark <span class=\"search-highlight\">this 😊</span> only",				"The End",			},		},		{			Title: "Unicode Before And Between",			File:  "test.txt",			Range: [][3]int{{1, 10, 19}},			Code:  "First Line\nMark 👉 this 😊 only\nThe End",			Result: []template.HTML{				"First Line",				"Mark 👉 <span class=\"search-highlight\">this 😊</span> only",				"The End",			},		},		{			Title: "Golang",			File:  "test.go",			Range: [][3]int{{1, 14, 23}},			Code:  "func main() {\n\tfmt.Println(\"mark this\")\n}",			Result: []template.HTML{				"<span class=\"kd\">func</span><span class=\"w\"> </span><span class=\"nf\">main</span><span class=\"p\">(</span><span class=\"p\">)</span><span class=\"w\"> </span><span class=\"p\">{</span><span class=\"w\">",				"</span><span class=\"w\"></span><span class=\"w\">\t</span><span class=\"nx\">fmt</span><span class=\"p\">.</span><span class=\"nf\">Println</span><span class=\"p\">(</span><span class=\"s\">&#34;<span class=\"search-highlight\">mark this</span>&#34;</span><span class=\"p\">)</span><span class=\"w\">",				"</span><span class=\"w\"></span><span class=\"p\">}</span>",			},		},		{			Title: "Golang Unicode",			File:  "test.go",			Range: [][3]int{{1, 14, 28}},			Code:  "func main() {\n\tfmt.Println(\"mark this 😊\")\n}",			Result: []template.HTML{				"<span class=\"kd\">func</span><span class=\"w\"> </span><span class=\"nf\">main</span><span class=\"p\">(</span><span class=\"p\">)</span><span class=\"w\"> </span><span class=\"p\">{</span><span class=\"w\">",				"</span><span class=\"w\"></span><span class=\"w\">\t</span><span class=\"nx\">fmt</span><span class=\"p\">.</span><span class=\"nf\">Println</span><span class=\"p\">(</span><span class=\"s\">&#34;<span class=\"search-highlight\">mark this 😊</span>&#34;</span><span class=\"p\">)</span><span class=\"w\">",				"</span><span class=\"w\"></span><span class=\"p\">}</span>",			},		},	}	for _, o := range opts {		t.Run(o.Title, func(t *testing.T) {			lines := []int{}			for i := range strings.Count(strings.TrimSuffix(o.Code, "\n"), "\n") + 1 {				lines = append(lines, i+1)			}			res := HighlightSearchResultCode(o.File, lines, o.Range, o.Code)			assert.Len(t, res, len(o.Result))			assert.Len(t, res, len(lines)) 			for i, r := range res {				require.Equal(t, lines[i], r.Num)				require.Equal(t, o.Result[i], r.FormattedContent)			}		})	}}