upstream-gitea/routers/common/errpage_test.go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package common

import (
	"errors"
	"net/http"
	"net/http/httptest"
	"net/url"
	"testing"

	"gitea.dev/models/unittest"
	"gitea.dev/modules/reqctx"
	"gitea.dev/modules/test"

	"github.com/stretchr/testify/assert"
)

func TestRenderPanicErrorPage(t *testing.T) {
	t.Run("HTML", func(t *testing.T) {
		w := httptest.NewRecorder()
		req := &http.Request{URL: &url.URL{}, Header: http.Header{"Accept": []string{"text/html"}}}
		req = req.WithContext(reqctx.NewRequestContextForTest(t))
		renderPanicErrorPage(w, req, errors.New("fake panic error (for test only)"))
		respContent := w.Body.String()
		assert.Contains(t, respContent, `class="page-content status-page-500"`)
		assert.Contains(t, respContent, `</html>`)
		assert.Contains(t, respContent, `lang="en-US"`) // make sure the locale work

		// the 500 page doesn't have normal pages footer, it makes it easier to distinguish a normal page and a failed page.
		// especially when a sub-template causes page error, the HTTP response code is still 200,
		// the different "footer" is the only way to know whether a page is fully rendered without error.
		assert.False(t, test.IsNormalPageCompleted(respContent))
	})
	t.Run("Plain", func(t *testing.T) {
		w := httptest.NewRecorder()
		req := &http.Request{URL: &url.URL{}}
		req = req.WithContext(reqctx.NewRequestContextForTest(t))
		renderServiceUnavailable(w, req)
		assert.Equal(t, "Service Unavailable", w.Body.String())
	})
}

func TestMain(m *testing.M) {
	unittest.MainTest(m)
}