f79317a435
Now retries only happen when actual network errors occur and not only anymore based on the HTTP status code. This is because the backend could also send this status codes as their normal interface and in that case we don't want to retry.
88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
package server
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"io"
|
|
"net"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"testing"
|
|
)
|
|
|
|
type timeoutError struct{}
|
|
|
|
func (e *timeoutError) Error() string { return "i/o timeout" }
|
|
func (e *timeoutError) Timeout() bool { return true }
|
|
func (e *timeoutError) Temporary() bool { return true }
|
|
|
|
func TestServeHTTP(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
err error
|
|
wantHTTPStatus int
|
|
wantNetErrRecorded bool
|
|
}{
|
|
{
|
|
name: "net.Error",
|
|
err: net.UnknownNetworkError("any network error"),
|
|
wantHTTPStatus: http.StatusBadGateway,
|
|
wantNetErrRecorded: true,
|
|
},
|
|
{
|
|
name: "net.Error with Timeout",
|
|
err: &timeoutError{},
|
|
wantHTTPStatus: http.StatusGatewayTimeout,
|
|
wantNetErrRecorded: true,
|
|
},
|
|
{
|
|
name: "io.EOF",
|
|
err: io.EOF,
|
|
wantHTTPStatus: http.StatusBadGateway,
|
|
wantNetErrRecorded: true,
|
|
},
|
|
{
|
|
name: "custom error",
|
|
err: errors.New("any error"),
|
|
wantHTTPStatus: http.StatusInternalServerError,
|
|
wantNetErrRecorded: false,
|
|
},
|
|
{
|
|
name: "nil error",
|
|
err: nil,
|
|
wantHTTPStatus: http.StatusInternalServerError,
|
|
wantNetErrRecorded: false,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
test := test
|
|
|
|
t.Run(test.name, func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
recorder := httptest.NewRecorder()
|
|
|
|
errorRecorder := &netErrorRecorder{}
|
|
req := httptest.NewRequest(http.MethodGet, "http://localhost:3000/any", nil)
|
|
|
|
recordingErrorHandler := NewRecordingErrorHandler(errorRecorder)
|
|
recordingErrorHandler.ServeHTTP(recorder, req, test.err)
|
|
|
|
if recorder.Code != test.wantHTTPStatus {
|
|
t.Errorf("got HTTP status code %v, wanted %v", recorder.Code, test.wantHTTPStatus)
|
|
}
|
|
if errorRecorder.netErrorWasRecorded != test.wantNetErrRecorded {
|
|
t.Errorf("net error recording wrong, got %v wanted %v", errorRecorder.netErrorWasRecorded, test.wantNetErrRecorded)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type netErrorRecorder struct {
|
|
netErrorWasRecorded bool
|
|
}
|
|
|
|
func (recorder *netErrorRecorder) Record(ctx context.Context) {
|
|
recorder.netErrorWasRecorded = true
|
|
}
|