micro/api/router/router_test.go

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package router_test
import (
"context"
"fmt"
"io/ioutil"
"log"
"net/http"
"testing"
"time"
"github.com/micro/go-micro/v2/api"
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"github.com/micro/go-micro/v2/api/handler"
"github.com/micro/go-micro/v2/api/handler/rpc"
"github.com/micro/go-micro/v2/api/router"
rregistry "github.com/micro/go-micro/v2/api/router/registry"
rstatic "github.com/micro/go-micro/v2/api/router/static"
"github.com/micro/go-micro/v2/client"
gcli "github.com/micro/go-micro/v2/client/grpc"
rmemory "github.com/micro/go-micro/v2/registry/memory"
"github.com/micro/go-micro/v2/server"
gsrv "github.com/micro/go-micro/v2/server/grpc"
pb "github.com/micro/go-micro/v2/server/grpc/proto"
)
// server is used to implement helloworld.GreeterServer.
type testServer struct {
msgCount int
}
// TestHello implements helloworld.GreeterServer
func (s *testServer) Call(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
rsp.Msg = "Hello " + req.Uuid
return nil
}
// TestHello implements helloworld.GreeterServer
func (s *testServer) CallPcre(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
rsp.Msg = "Hello " + req.Uuid
return nil
}
// TestHello implements helloworld.GreeterServer
func (s *testServer) CallPcreInvalid(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
rsp.Msg = "Hello " + req.Uuid
return nil
}
func initial(t *testing.T) (server.Server, client.Client) {
r := rmemory.NewRegistry()
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// create a new client
s := gsrv.NewServer(
server.Name("foo"),
server.Registry(r),
)
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// create a new server
c := gcli.NewClient(
client.Registry(r),
)
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h := &testServer{}
pb.RegisterTestHandler(s, h)
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if err := s.Start(); err != nil {
t.Fatalf("failed to start: %v", err)
}
return s, c
}
func check(t *testing.T, addr string, path string, expected string) {
req, err := http.NewRequest("POST", fmt.Sprintf(path, addr), nil)
if err != nil {
t.Fatalf("Failed to created http.Request: %v", err)
}
req.Header.Set("Content-Type", "application/json")
rsp, err := (&http.Client{}).Do(req)
if err != nil {
t.Fatalf("Failed to created http.Request: %v", err)
}
defer rsp.Body.Close()
buf, err := ioutil.ReadAll(rsp.Body)
if err != nil {
t.Fatal(err)
}
jsonMsg := expected
if string(buf) != jsonMsg {
t.Fatalf("invalid message received, parsing error %s != %s", buf, jsonMsg)
}
}
func TestRouterRegistryPcre(t *testing.T) {
s, c := initial(t)
defer s.Stop()
router := rregistry.NewRouter(
router.WithHandler(rpc.Handler),
router.WithRegistry(s.Options().Registry),
)
hrpc := rpc.NewHandler(
handler.WithClient(c),
handler.WithRouter(router),
)
hsrv := &http.Server{
Handler: hrpc,
Addr: "127.0.0.1:6543",
WriteTimeout: 15 * time.Second,
ReadTimeout: 15 * time.Second,
IdleTimeout: 20 * time.Second,
MaxHeaderBytes: 1024 * 1024 * 1, // 1Mb
}
go func() {
log.Println(hsrv.ListenAndServe())
}()
defer hsrv.Close()
time.Sleep(1 * time.Second)
check(t, hsrv.Addr, "http://%s/api/v0/test/call/TEST", `{"msg":"Hello TEST"}`)
}
func TestRouterStaticPcre(t *testing.T) {
s, c := initial(t)
defer s.Stop()
router := rstatic.NewRouter(
router.WithHandler(rpc.Handler),
router.WithRegistry(s.Options().Registry),
)
err := router.Register(&api.Endpoint{
Name: "foo.Test.Call",
Method: []string{"POST"},
Path: []string{"^/api/v0/test/call/?$"},
Handler: "rpc",
})
if err != nil {
t.Fatal(err)
}
hrpc := rpc.NewHandler(
handler.WithClient(c),
handler.WithRouter(router),
)
hsrv := &http.Server{
Handler: hrpc,
Addr: "127.0.0.1:6543",
WriteTimeout: 15 * time.Second,
ReadTimeout: 15 * time.Second,
IdleTimeout: 20 * time.Second,
MaxHeaderBytes: 1024 * 1024 * 1, // 1Mb
}
go func() {
log.Println(hsrv.ListenAndServe())
}()
defer hsrv.Close()
time.Sleep(1 * time.Second)
check(t, hsrv.Addr, "http://%s/api/v0/test/call", `{"msg":"Hello "}`)
}
func TestRouterStaticGpath(t *testing.T) {
s, c := initial(t)
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defer s.Stop()
router := rstatic.NewRouter(
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router.WithHandler(rpc.Handler),
router.WithRegistry(s.Options().Registry),
)
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err := router.Register(&api.Endpoint{
Name: "foo.Test.Call",
Method: []string{"POST"},
Path: []string{"/api/v0/test/call/{uuid}"},
Handler: "rpc",
})
if err != nil {
t.Fatal(err)
}
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hrpc := rpc.NewHandler(
handler.WithClient(c),
handler.WithRouter(router),
)
hsrv := &http.Server{
Handler: hrpc,
Addr: "127.0.0.1:6543",
WriteTimeout: 15 * time.Second,
ReadTimeout: 15 * time.Second,
IdleTimeout: 20 * time.Second,
MaxHeaderBytes: 1024 * 1024 * 1, // 1Mb
}
go func() {
log.Println(hsrv.ListenAndServe())
}()
defer hsrv.Close()
time.Sleep(1 * time.Second)
check(t, hsrv.Addr, "http://%s/api/v0/test/call/TEST", `{"msg":"Hello TEST"}`)
}
func TestRouterStaticPcreInvalid(t *testing.T) {
var ep *api.Endpoint
var err error
s, c := initial(t)
defer s.Stop()
router := rstatic.NewRouter(
router.WithHandler(rpc.Handler),
router.WithRegistry(s.Options().Registry),
)
ep = &api.Endpoint{
Name: "foo.Test.Call",
Method: []string{"POST"},
Path: []string{"^/api/v0/test/call/?"},
Handler: "rpc",
}
err = router.Register(ep)
if err == nil {
t.Fatalf("invalid endpoint %v", ep)
}
ep = &api.Endpoint{
Name: "foo.Test.Call",
Method: []string{"POST"},
Path: []string{"/api/v0/test/call/?$"},
Handler: "rpc",
}
err = router.Register(ep)
if err == nil {
t.Fatalf("invalid endpoint %v", ep)
}
_ = c
}