func (s *ConfSuite) SetUpTest(c *C) {
s.router = hostroute.NewHostRouter()
proxy, err := vulcan.NewProxy(s.router)
if err != nil {
c.Fatal(err)
}
s.conf = NewConfigurator(proxy)
}
func (s *Service) createProxy() error {
s.router = hostroute.NewHostRouter()
proxy, err := vulcan.NewProxy(s.router)
if err != nil {
return err
}
s.proxy = proxy
return nil
}
// Test scenario when middleware redirects the request
func (s *LocSuite) TestMiddlewareRedirectsRequest(c *C) {
server1 := NewTestServer(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hi, I'm endpoint 1"))
})
defer server1.Close()
server2 := NewTestServer(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Hi, I'm endpoint 2"))
})
defer server2.Close()
rr1, rr2 := s.newRoundRobin(server1.URL), s.newRoundRobin(server2.URL)
loc1, err := NewLocationWithOptions("loc1", rr1, Options{})
c.Assert(err, IsNil)
loc2, err := NewLocationWithOptions("loc2", rr2, Options{})
c.Assert(err, IsNil)
m := hostroute.NewHostRouter()
route1 := exproute.NewExpRouter()
c.Assert(route1.AddLocation(`TrieRoute("/loc1")`, loc1), IsNil)
route2 := exproute.NewExpRouter()
c.Assert(route2.AddLocation(`TrieRoute("/loc2")`, loc2), IsNil)
m.SetRouter("localhost1", route1)
m.SetRouter("localhost2", route2)
p, err := vulcan.NewProxy(m)
c.Assert(err, IsNil)
proxy := httptest.NewServer(p)
defer proxy.Close()
redirect := &MiddlewareWrapper{
OnRequest: func(r Request) (*http.Response, error) {
u, err := netutils.ParseUrl("http://localhost2/loc2")
if err != nil {
return nil, err
}
return nil, &errors.RedirectError{URL: u}
},
OnResponse: func(r Request, a Attempt) {
},
}
loc1.GetMiddlewareChain().Add("redir", 0, redirect)
response, bodyBytes, err := MakeRequest(proxy.URL+"/loc1", Opts{Host: "localhost1"})
c.Assert(err, IsNil)
c.Assert(response.StatusCode, Equals, http.StatusOK)
c.Assert(string(bodyBytes), Equals, "Hi, I'm endpoint 2")
}