micro/util/http/http_test.go

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2019-05-31 01:52:10 +03:00
package http
import (
"io/ioutil"
"net"
"net/http"
"strconv"
"testing"
"github.com/micro/go-micro/registry"
"github.com/micro/go-micro/registry/memory"
)
func TestRoundTripper(t *testing.T) {
m := memory.NewRegistry()
rt := NewRoundTripper(
WithRegistry(m),
)
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(`hello world`))
})
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer l.Close()
go http.Serve(l, nil)
host, p, _ := net.SplitHostPort(l.Addr().String())
port, _ := strconv.Atoi(p)
m.Register(&registry.Service{
Name: "example.com",
Nodes: []*registry.Node{
{
Id: "1",
Address: host,
Port: port,
},
},
})
req, err := http.NewRequest("GET", "http://example.com", nil)
if err != nil {
t.Fatal(err)
}
w, err := rt.RoundTrip(req)
if err != nil {
t.Fatal(err)
}
b, err := ioutil.ReadAll(w.Body)
if err != nil {
t.Fatal(err)
}
w.Body.Close()
if string(b) != "hello world" {
t.Fatal("response is", string(b))
}
// test http request
c := &http.Client{
Transport: rt,
}
rsp, err := c.Get("http://example.com")
if err != nil {
t.Fatal(err)
}
b, err = ioutil.ReadAll(rsp.Body)
if err != nil {
t.Fatal(err)
}
rsp.Body.Close()
if string(b) != "hello world" {
t.Fatal("response is", string(b))
}
}