github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/api/router/router_test.go (about)

     1  // Copyright 2020 Asim Aslam
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  // Original source: github.com/micro/go-micro/v3/api/router/router_test.go
    16  package router_test
    17  
    18  import (
    19  	"context"
    20  	"fmt"
    21  	"io/ioutil"
    22  	"log"
    23  	"net/http"
    24  	"testing"
    25  	"time"
    26  
    27  	"github.com/tickoalcantara12/micro/v3/service/api/handler"
    28  	"github.com/tickoalcantara12/micro/v3/service/api/handler/rpc"
    29  	"github.com/tickoalcantara12/micro/v3/service/api/router"
    30  	rregistry "github.com/tickoalcantara12/micro/v3/service/api/router/registry"
    31  	"github.com/tickoalcantara12/micro/v3/service/client"
    32  	gcli "github.com/tickoalcantara12/micro/v3/service/client/grpc"
    33  	rmemory "github.com/tickoalcantara12/micro/v3/service/registry/memory"
    34  	rt "github.com/tickoalcantara12/micro/v3/service/router"
    35  	regRouter "github.com/tickoalcantara12/micro/v3/service/router/registry"
    36  	"github.com/tickoalcantara12/micro/v3/service/server"
    37  	gsrv "github.com/tickoalcantara12/micro/v3/service/server/grpc"
    38  	pb "github.com/tickoalcantara12/micro/v3/service/server/grpc/proto"
    39  )
    40  
    41  // server is used to implement helloworld.GreeterServer.
    42  type testServer struct {
    43  	msgCount int
    44  }
    45  
    46  // TestHello implements helloworld.GreeterServer
    47  func (s *testServer) Call(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
    48  	rsp.Msg = "Hello " + req.Uuid
    49  	return nil
    50  }
    51  
    52  // TestHello implements helloworld.GreeterServer
    53  func (s *testServer) CallPcre(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
    54  	rsp.Msg = "Hello " + req.Uuid
    55  	return nil
    56  }
    57  
    58  // TestHello implements helloworld.GreeterServer
    59  func (s *testServer) CallPcreInvalid(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
    60  	rsp.Msg = "Hello " + req.Uuid
    61  	return nil
    62  }
    63  
    64  func initial(t *testing.T) (server.Server, client.Client) {
    65  	r := rmemory.NewRegistry()
    66  
    67  	// create a new client
    68  	s := gsrv.NewServer(
    69  		server.Name("foo"),
    70  		server.Registry(r),
    71  	)
    72  
    73  	rtr := regRouter.NewRouter(
    74  		rt.Registry(r),
    75  	)
    76  
    77  	// create a new server
    78  	c := gcli.NewClient(
    79  		client.Router(rtr),
    80  	)
    81  
    82  	h := &testServer{}
    83  	pb.RegisterTestHandler(s, h)
    84  
    85  	if err := s.Start(); err != nil {
    86  		t.Fatalf("failed to start: %v", err)
    87  	}
    88  
    89  	return s, c
    90  }
    91  
    92  func check(t *testing.T, addr string, path string, expected string) {
    93  	req, err := http.NewRequest("POST", fmt.Sprintf(path, addr), nil)
    94  	if err != nil {
    95  		t.Fatalf("Failed to created http.Request: %v", err)
    96  	}
    97  	req.Header.Set("Content-Type", "application/json")
    98  	rsp, err := (&http.Client{}).Do(req)
    99  	if err != nil {
   100  		t.Fatalf("Failed to created http.Request: %v", err)
   101  	}
   102  	defer rsp.Body.Close()
   103  
   104  	buf, err := ioutil.ReadAll(rsp.Body)
   105  	if err != nil {
   106  		t.Fatal(err)
   107  	}
   108  
   109  	jsonMsg := expected
   110  	if string(buf) != jsonMsg {
   111  		t.Fatalf("invalid message received, parsing error %s != %s", buf, jsonMsg)
   112  	}
   113  }
   114  
   115  func TestRouterRegistryPcre(t *testing.T) {
   116  	s, c := initial(t)
   117  	defer s.Stop()
   118  
   119  	router := rregistry.NewRouter(
   120  		router.WithHandler(rpc.Handler),
   121  		router.WithRegistry(s.Options().Registry),
   122  	)
   123  	hrpc := rpc.NewHandler(
   124  		handler.WithClient(c),
   125  		handler.WithRouter(router),
   126  	)
   127  	hsrv := &http.Server{
   128  		Handler:        hrpc,
   129  		Addr:           "127.0.0.1:6543",
   130  		WriteTimeout:   15 * time.Second,
   131  		ReadTimeout:    15 * time.Second,
   132  		IdleTimeout:    20 * time.Second,
   133  		MaxHeaderBytes: 1024 * 1024 * 1, // 1Mb
   134  	}
   135  
   136  	go func() {
   137  		log.Println(hsrv.ListenAndServe())
   138  	}()
   139  
   140  	defer hsrv.Close()
   141  	time.Sleep(1 * time.Second)
   142  	check(t, hsrv.Addr, "http://%s/api/v0/test/call/TEST", `{"msg":"Hello TEST"}`)
   143  }