1 files changed, 167 insertions, 0 deletions
diff --git a/modules/sitemap/sitemap_test.go b/modules/sitemap/sitemap_test.go
new file mode 100644
index 00000000..39a2178c
--- /dev/null
+++ b/modules/sitemap/sitemap_test.go
@@ -0,0 +1,167 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package sitemap
+
+import (
+	"bytes"
+	"encoding/xml"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewSitemap(t *testing.T) {
+	ts := time.Unix(1651322008, 0).UTC()
+
+	tests := []struct {
+		name    string
+		urls    []URL
+		want    string
+		wantErr string
+	}{
+		{
+			name: "empty",
+			urls: []URL{},
+			want: xml.Header + `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"" +
+				"</urlset>\n",
+		},
+		{
+			name: "regular",
+			urls: []URL{
+				{URL: "https://gitea.io/test1", LastMod: &ts},
+			},
+			want: xml.Header + `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"<url><loc>https://gitea.io/test1</loc><lastmod>2022-04-30T12:33:28Z</lastmod></url>" +
+				"</urlset>\n",
+		},
+		{
+			name: "without lastmod",
+			urls: []URL{
+				{URL: "https://gitea.io/test1"},
+			},
+			want: xml.Header + `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"<url><loc>https://gitea.io/test1</loc></url>" +
+				"</urlset>\n",
+		},
+		{
+			name: "multiple",
+			urls: []URL{
+				{URL: "https://gitea.io/test1", LastMod: &ts},
+				{URL: "https://gitea.io/test2", LastMod: nil},
+			},
+			want: xml.Header + `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"<url><loc>https://gitea.io/test1</loc><lastmod>2022-04-30T12:33:28Z</lastmod></url>" +
+				"<url><loc>https://gitea.io/test2</loc></url>" +
+				"</urlset>\n",
+		},
+		{
+			name:    "too many urls",
+			urls:    make([]URL, 50001),
+			wantErr: "The sitemap contains 50001 URLs, but only 50000 are allowed",
+		},
+		{
+			name: "too big file",
+			urls: []URL{
+				{URL: strings.Repeat("b", 50*1024*1024+1)},
+			},
+			wantErr: "The sitemap has 52428932 bytes, but only 52428800 are allowed",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			s := NewSitemap()
+			for _, url := range tt.urls {
+				s.Add(url)
+			}
+			buf := &bytes.Buffer{}
+			_, err := s.WriteTo(buf)
+			if tt.wantErr != "" {
+				assert.EqualError(t, err, tt.wantErr)
+			} else {
+				require.NoError(t, err)
+				assert.Equalf(t, tt.want, buf.String(), "NewSitemap()")
+			}
+		})
+	}
+}
+
+func TestNewSitemapIndex(t *testing.T) {
+	ts := time.Unix(1651322008, 0).UTC()
+
+	tests := []struct {
+		name    string
+		urls    []URL
+		want    string
+		wantErr string
+	}{
+		{
+			name: "empty",
+			urls: []URL{},
+			want: xml.Header + `<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"" +
+				"</sitemapindex>\n",
+		},
+		{
+			name: "regular",
+			urls: []URL{
+				{URL: "https://gitea.io/test1", LastMod: &ts},
+			},
+			want: xml.Header + `<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"<sitemap><loc>https://gitea.io/test1</loc><lastmod>2022-04-30T12:33:28Z</lastmod></sitemap>" +
+				"</sitemapindex>\n",
+		},
+		{
+			name: "without lastmod",
+			urls: []URL{
+				{URL: "https://gitea.io/test1"},
+			},
+			want: xml.Header + `<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"<sitemap><loc>https://gitea.io/test1</loc></sitemap>" +
+				"</sitemapindex>\n",
+		},
+		{
+			name: "multiple",
+			urls: []URL{
+				{URL: "https://gitea.io/test1", LastMod: &ts},
+				{URL: "https://gitea.io/test2", LastMod: nil},
+			},
+			want: xml.Header + `<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">` +
+				"<sitemap><loc>https://gitea.io/test1</loc><lastmod>2022-04-30T12:33:28Z</lastmod></sitemap>" +
+				"<sitemap><loc>https://gitea.io/test2</loc></sitemap>" +
+				"</sitemapindex>\n",
+		},
+		{
+			name:    "too many sitemaps",
+			urls:    make([]URL, 50001),
+			wantErr: "The sitemap contains 50001 sub-sitemaps, but only 50000 are allowed",
+		},
+		{
+			name: "too big file",
+			urls: []URL{
+				{URL: strings.Repeat("b", 50*1024*1024+1)},
+			},
+			wantErr: "The sitemap has 52428952 bytes, but only 52428800 are allowed",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			s := NewSitemapIndex()
+			for _, url := range tt.urls {
+				s.Add(url)
+			}
+			buf := &bytes.Buffer{}
+			_, err := s.WriteTo(buf)
+			if tt.wantErr != "" {
+				assert.EqualError(t, err, tt.wantErr)
+			} else {
+				require.NoError(t, err)
+				assert.Equalf(t, tt.want, buf.String(), "NewSitemapIndex()")
+			}
+		})
+	}
+}