Add a simple test for external renderer (#20033)

Fix #16402

tests/gitea-repositories-meta/user30/renderer.git/HEAD

@@ -0,0 +1 @@
+ref: refs/heads/master

tests/gitea-repositories-meta/user30/renderer.git/config

@@ -0,0 +1,6 @@
+[core]
+	repositoryformatversion = 0
+	filemode = true
+	bare = true
+	ignorecase = true
+	precomposeunicode = true

tests/gitea-repositories-meta/user30/renderer.git/description

@@ -0,0 +1 @@
+The repository will be used to test third-party renderer in TestExternalMarkupRenderer

tests/gitea-repositories-meta/user30/renderer.git/hooks/post-receive

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+data=$(cat)
+exitcodes=""
+hookname=$(basename $0)
+GIT_DIR=${GIT_DIR:-$(dirname $0)}
+
+for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do
+test -x "${hook}" && test -f "${hook}" || continue
+echo "${data}" | "${hook}"
+exitcodes="${exitcodes} $?"
+done
+
+for i in ${exitcodes}; do
+[ ${i} -eq 0 ] || exit ${i}
+done

tests/gitea-repositories-meta/user30/renderer.git/hooks/post-receive.d/gitea

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+"$GITEA_ROOT/gitea" hook --config="$GITEA_ROOT/$GITEA_CONF" post-receive

tests/gitea-repositories-meta/user30/renderer.git/hooks/pre-receive

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+data=$(cat)
+exitcodes=""
+hookname=$(basename $0)
+GIT_DIR=${GIT_DIR:-$(dirname $0)}
+
+for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do
+test -x "${hook}" && test -f "${hook}" || continue
+echo "${data}" | "${hook}"
+exitcodes="${exitcodes} $?"
+done
+
+for i in ${exitcodes}; do
+[ ${i} -eq 0 ] || exit ${i}
+done

tests/gitea-repositories-meta/user30/renderer.git/hooks/pre-receive.d/gitea

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+"$GITEA_ROOT/gitea" hook --config="$GITEA_ROOT/$GITEA_CONF" pre-receive

tests/gitea-repositories-meta/user30/renderer.git/hooks/update

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+exitcodes=""
+hookname=$(basename $0)
+GIT_DIR=${GIT_DIR:-$(dirname $0)}
+
+for hook in ${GIT_DIR}/hooks/${hookname}.d/*; do
+test -x "${hook}" && test -f "${hook}" || continue
+"${hook}" $1 $2 $3
+exitcodes="${exitcodes} $?"
+done
+
+for i in ${exitcodes}; do
+[ ${i} -eq 0 ] || exit ${i}
+done

tests/gitea-repositories-meta/user30/renderer.git/hooks/update.d/gitea

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+"$GITEA_ROOT/gitea" hook --config="$GITEA_ROOT/$GITEA_CONF" update $1 $2 $3

tests/gitea-repositories-meta/user30/renderer.git/info/exclude

@@ -0,0 +1,6 @@
+# git ls-files --others --exclude-from=.git/info/exclude
+# Lines that start with '#' are comments.
+# For a project mostly in C, the following would be a good set of
+# exclude patterns (uncomment them if you want to use them):
+# *.[oa]
+# *~

tests/gitea-repositories-meta/user30/renderer.git/packed-refs

@@ -0,0 +1,2 @@
+# pack-refs with: peeled fully-peeled sorted 
+c961cc4d1ba6b7ee1ba228a9a02b00b7746d8033 refs/heads/master

tests/integration/api_repo_test.go

@@ -81,9 +81,9 @@ func TestAPISearchRepo(t *testing.T) {
 	}{
 		{
 			name: "RepositoriesMax50", requestURL: "/api/v1/repos/search?limit=50&private=false", expectedResults: expectedResults{
-				nil:   {count: 30},
-				user:  {count: 30},
-				user2: {count: 30},
+				nil:   {count: 31},
+				user:  {count: 31},
+				user2: {count: 31},
 			},
 		},
 		{

tests/integration/markup_external_test.go

@@ -0,0 +1,40 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package integration
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/tests"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestExternalMarkupRenderer(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+	if !setting.Database.UseSQLite3 {
+		t.Skip()
+		return
+	}
+
+	const repoURL = "user30/renderer"
+	req := NewRequest(t, "GET", repoURL+"/src/branch/master/README.html")
+	resp := MakeRequest(t, req, http.StatusOK)
+	assert.EqualValues(t, "text/html; charset=UTF-8", resp.Header()["Content-Type"][0])
+
+	bs, err := io.ReadAll(resp.Body)
+	assert.NoError(t, err)
+
+	doc := NewHTMLParser(t, bytes.NewBuffer(bs))
+	div := doc.Find("div.file-view")
+	data, err := div.Html()
+	assert.NoError(t, err)
+	assert.EqualValues(t, "<div>\n\ttest external renderer\n</div>", strings.TrimSpace(data))
+}

tests/sqlite.ini.tmpl

@@ -107,3 +107,10 @@ PATH = tests/{{TEST_TYPE}}/gitea-{{TEST_TYPE}}-sqlite/data/lfs
 
 [packages]
 ENABLED = true
+
+[markup.html]
+ENABLED = true
+FILE_EXTENSIONS = .html
+RENDER_COMMAND = `go run tools/external_renderer.go`
+IS_INPUT_FILE = false
+RENDER_CONTENT_MODE=sanitized