// We've hit the limit and were able to proceed once the request has completed
func (s *ConnLimiterSuite) TestCustomHandlers(c *C) {
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Write([]byte("hello"))
})
errHandler := utils.ErrorHandlerFunc(func(w http.ResponseWriter, req *http.Request, err error) {
w.WriteHeader(http.StatusTeapot)
w.Write([]byte(http.StatusText(http.StatusTeapot)))
})
buf := &bytes.Buffer{}
log := utils.NewFileLogger(buf, utils.INFO)
l, err := New(handler, headerLimit, 0, ErrorHandler(errHandler), Logger(log))
c.Assert(err, Equals, nil)
srv := httptest.NewServer(l)
defer srv.Close()
re, _, err := testutils.Get(srv.URL, testutils.Header("Limit", "a"))
c.Assert(err, IsNil)
c.Assert(re.StatusCode, Equals, http.StatusTeapot)
c.Assert(len(buf.String()), Not(Equals), 0)
}
func (s *STSuite) TestCustomErrorHandler(c *C) {
srv := testutils.NewHandler(func(w http.ResponseWriter, req *http.Request) {
w.Write([]byte("hello, this response is too large"))
})
defer srv.Close()
// forwarder will proxy the request to whatever destination
fwd, err := forward.New()
c.Assert(err, IsNil)
// this is our redirect to server
rdr := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
req.URL = testutils.ParseURI(srv.URL)
fwd.ServeHTTP(w, req)
})
// stream handler will forward requests to redirect
errHandler := utils.ErrorHandlerFunc(func(w http.ResponseWriter, req *http.Request, err error) {
w.WriteHeader(http.StatusTeapot)
w.Write([]byte(http.StatusText(http.StatusTeapot)))
})
st, err := New(rdr, Logger(utils.NewFileLogger(os.Stdout, utils.INFO)), MaxResponseBodyBytes(4), ErrorHandler(errHandler))
c.Assert(err, IsNil)
proxy := httptest.NewServer(st)
defer proxy.Close()
re, _, err := testutils.Get(proxy.URL)
c.Assert(err, IsNil)
c.Assert(re.StatusCode, Equals, http.StatusTeapot)
}
// We've hit the limit and were able to proceed on the next time run
func (s *LimiterSuite) TestOptions(c *C) {
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Write([]byte("hello"))
})
rates := NewRateSet()
rates.Add(time.Second, 1, 1)
errHandler := utils.ErrorHandlerFunc(func(w http.ResponseWriter, req *http.Request, err error) {
w.WriteHeader(http.StatusTeapot)
w.Write([]byte(http.StatusText(http.StatusTeapot)))
})
buf := &bytes.Buffer{}
log := utils.NewFileLogger(buf, utils.INFO)
l, err := New(handler, headerLimit, rates, ErrorHandler(errHandler), Logger(log), Clock(s.clock))
c.Assert(err, IsNil)
srv := httptest.NewServer(l)
defer srv.Close()
re, _, err := testutils.Get(srv.URL, testutils.Header("Source", "a"))
c.Assert(err, IsNil)
c.Assert(re.StatusCode, Equals, http.StatusOK)
re, _, err = testutils.Get(srv.URL, testutils.Header("Source", "a"))
c.Assert(err, IsNil)
c.Assert(re.StatusCode, Equals, http.StatusTeapot)
c.Assert(len(buf.String()), Not(Equals), 0)
}
func (s *FwdSuite) TestCustomErrHandler(c *C) {
f, err := New(ErrorHandler(utils.ErrorHandlerFunc(func(w http.ResponseWriter, req *http.Request, err error) {
w.WriteHeader(http.StatusTeapot)
w.Write([]byte(http.StatusText(http.StatusTeapot)))
})))
c.Assert(err, IsNil)
proxy := testutils.NewHandler(func(w http.ResponseWriter, req *http.Request) {
req.URL = testutils.ParseURI("http://localhost:63450")
f.ServeHTTP(w, req)
})
defer proxy.Close()
re, body, err := testutils.Get(proxy.URL)
c.Assert(err, IsNil)
c.Assert(re.StatusCode, Equals, http.StatusTeapot)
c.Assert(string(body), Equals, http.StatusText(http.StatusTeapot))
}
func (s *RRSuite) TestCustomErrHandler(c *C) {
errHandler := utils.ErrorHandlerFunc(func(w http.ResponseWriter, req *http.Request, err error) {
w.WriteHeader(http.StatusTeapot)
w.Write([]byte(http.StatusText(http.StatusTeapot)))
})
fwd, err := forward.New()
c.Assert(err, IsNil)
lb, err := New(fwd, ErrorHandler(errHandler))
c.Assert(err, IsNil)
proxy := httptest.NewServer(lb)
defer proxy.Close()
re, _, err := testutils.Get(proxy.URL)
c.Assert(err, IsNil)
c.Assert(re.StatusCode, Equals, http.StatusTeapot)
}