From dd136858f1ea40ad3c94191d647487fa4f31926c Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel@debian.org>
Date: Fri, 18 Oct 2024 20:33:49 +0200
Subject: Adding upstream version 9.0.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>
---
 modules/highlight/highlight_test.go | 190 ++++++++++++++++++++++++++++++++++++
 1 file changed, 190 insertions(+)
 create mode 100644 modules/highlight/highlight_test.go

(limited to 'modules/highlight/highlight_test.go')

diff --git a/modules/highlight/highlight_test.go b/modules/highlight/highlight_test.go
new file mode 100644
index 0000000..03db4d5
--- /dev/null
+++ b/modules/highlight/highlight_test.go
@@ -0,0 +1,190 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package highlight
+
+import (
+	"html/template"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func lines(s string) (out []template.HTML) {
+	// "" => [], "a" => ["a"], "a\n" => ["a\n"], "a\nb" => ["a\n", "b"] (each line always includes EOL "\n" if it exists)
+	out = make([]template.HTML, 0)
+	s = strings.ReplaceAll(strings.ReplaceAll(strings.TrimSpace(s), "\n", ""), `\n`, "\n")
+	for {
+		if p := strings.IndexByte(s, '\n'); p != -1 {
+			out = append(out, template.HTML(s[:p+1]))
+			s = s[p+1:]
+		} else {
+			break
+		}
+	}
+	if s != "" {
+		out = append(out, template.HTML(s))
+	}
+	return out
+}
+
+func TestFile(t *testing.T) {
+	tests := []struct {
+		name      string
+		code      string
+		want      []template.HTML
+		lexerName string
+	}{
+		{
+			name:      "empty.py",
+			code:      "",
+			want:      lines(""),
+			lexerName: "Python",
+		},
+		{
+			name:      "empty.js",
+			code:      "",
+			want:      lines(""),
+			lexerName: "JavaScript",
+		},
+		{
+			name:      "empty.yaml",
+			code:      "",
+			want:      lines(""),
+			lexerName: "YAML",
+		},
+		{
+			name:      "tags.txt",
+			code:      "<>",
+			want:      lines("&lt;&gt;"),
+			lexerName: "Text",
+		},
+		{
+			name:      "tags.py",
+			code:      "<>",
+			want:      lines(`<span class="o">&lt;</span><span class="o">&gt;</span>`),
+			lexerName: "Python",
+		},
+		{
+			name:      "eol-no.py",
+			code:      "a=1",
+			want:      lines(`<span class="n">a</span><span class="o">=</span><span class="mi">1</span>`),
+			lexerName: "Python",
+		},
+		{
+			name:      "eol-newline1.py",
+			code:      "a=1\n",
+			want:      lines(`<span class="n">a</span><span class="o">=</span><span class="mi">1</span>\n`),
+			lexerName: "Python",
+		},
+		{
+			name: "eol-newline2.py",
+			code: "a=1\n\n",
+			want: lines(`
+<span class="n">a</span><span class="o">=</span><span class="mi">1</span>\n
+\n
+			`,
+			),
+			lexerName: "Python",
+		},
+		{
+			name: "empty-line-with-space.py",
+			code: strings.ReplaceAll(strings.TrimSpace(`
+def:
+    a=1
+
+b=''
+{space}
+c=2
+			`), "{space}", "    "),
+			want: lines(`
+<span class="n">def</span><span class="p">:</span>\n
+    <span class="n">a</span><span class="o">=</span><span class="mi">1</span>\n
+\n
+<span class="n">b</span><span class="o">=</span><span class="sa"></span><span class="s1">&#39;</span><span class="s1">&#39;</span>\n
+    \n
+<span class="n">c</span><span class="o">=</span><span class="mi">2</span>`,
+			),
+			lexerName: "Python",
+		},
+		{
+			name:      "DOS.PAS",
+			code:      "",
+			want:      lines(""),
+			lexerName: "ObjectPascal",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			out, lexerName, err := File(tt.name, "", []byte(tt.code))
+			require.NoError(t, err)
+			assert.EqualValues(t, tt.want, out)
+			assert.Equal(t, tt.lexerName, lexerName)
+		})
+	}
+}
+
+func TestPlainText(t *testing.T) {
+	tests := []struct {
+		name string
+		code string
+		want []template.HTML
+	}{
+		{
+			name: "empty.py",
+			code: "",
+			want: lines(""),
+		},
+		{
+			name: "tags.py",
+			code: "<>",
+			want: lines("&lt;&gt;"),
+		},
+		{
+			name: "eol-no.py",
+			code: "a=1",
+			want: lines(`a=1`),
+		},
+		{
+			name: "eol-newline1.py",
+			code: "a=1\n",
+			want: lines(`a=1\n`),
+		},
+		{
+			name: "eol-newline2.py",
+			code: "a=1\n\n",
+			want: lines(`
+a=1\n
+\n
+			`),
+		},
+		{
+			name: "empty-line-with-space.py",
+			code: strings.ReplaceAll(strings.TrimSpace(`
+def:
+    a=1
+
+b=''
+{space}
+c=2
+			`), "{space}", "    "),
+			want: lines(`
+def:\n
+    a=1\n
+\n
+b=&#39;&#39;\n
+    \n
+c=2`),
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			out := PlainText([]byte(tt.code))
+			assert.EqualValues(t, tt.want, out)
+		})
+	}
+}
-- 
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