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package badgateway
import (
"context"
"errors"
"io"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/require"
)
type roundtrip502 struct{}
func (roundtrip502) RoundTrip(*http.Request) (*http.Response, error) {
return nil, errors.New("something went wrong")
}
func TestErrorPage502(t *testing.T) {
tests := []struct {
name string
devMode bool
contentType string
responseSnippet string
}{
{
name: "production mode",
contentType: "text/plain",
responseSnippet: "GitLab is not responding",
},
{
name: "development mode",
devMode: true,
contentType: "text/html",
responseSnippet: "This page will automatically reload",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
req, err := http.NewRequest("GET", "/", nil)
require.NoError(t, err, "build request")
rt := NewRoundTripper(tc.devMode, roundtrip502{})
response, err := rt.RoundTrip(req)
require.NoError(t, err, "perform roundtrip")
defer response.Body.Close()
body, err := io.ReadAll(response.Body)
require.NoError(t, err)
require.Equal(t, tc.contentType, response.Header.Get("content-type"), "content type")
require.Equal(t, 502, response.StatusCode, "response status")
require.Contains(t, string(body), tc.responseSnippet)
})
}
}
func TestClientDisconnect499(t *testing.T) {
serverSync := make(chan struct{})
ts := httptest.NewServer(http.HandlerFunc(func(http.ResponseWriter, *http.Request) {
serverSync <- struct{}{}
<-serverSync
}))
defer func() {
close(serverSync)
ts.Close()
}()
clientResponse := make(chan *http.Response)
clientContext, clientCancel := context.WithCancel(context.Background())
go func() {
req, err := http.NewRequestWithContext(clientContext, "GET", ts.URL, nil)
require.NoError(t, err, "build request")
rt := NewRoundTripper(false, http.DefaultTransport)
response, err := rt.RoundTrip(req)
require.NoError(t, err, "perform roundtrip")
require.NoError(t, response.Body.Close())
clientResponse <- response
}()
<-serverSync
clientCancel()
response := <-clientResponse
require.Equal(t, 499, response.StatusCode, "response status")
}
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