func (s *S) TestContextClearerMiddleware(c *check.C) {
recorder := httptest.NewRecorder()
request, err := http.NewRequest("GET", "/", nil)
c.Assert(err, check.IsNil)
context.AddRequestError(request, fmt.Errorf("Some Error"))
h, log := doHandler()
contextClearerMiddleware(recorder, request, h)
c.Assert(log.called, check.Equals, true)
contErr := context.GetRequestError(request)
c.Assert(contErr, check.IsNil)
}
func errorHandlingMiddleware(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
next(w, r)
err := context.GetRequestError(r)
if err != nil {
code := http.StatusInternalServerError
if e, ok := err.(*errors.HTTP); ok {
code = e.Code
}
flushing, ok := w.(*io.FlushingWriter)
if ok && flushing.Wrote() {
fmt.Fprintln(w, err)
} else {
http.Error(w, err.Error(), code)
}
log.Errorf("failure running HTTP request %s %s (%d): %s", r.Method, r.URL.Path, code, err)
}
}