HTTP Integration Test

secret_integration_test.go

// Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
// or more contributor license agreements. Licensed under the Elastic License 2.0;
// you may not use this file except in compliance with the Elastic License 2.0.

package association

import (
	"context"
	"fmt"
	"net"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"testing"
	"time"

	"github.com/sirupsen/logrus"
	"github.com/stretchr/testify/suite"
)

type e2eTestSuite struct {
	suite.Suite
	port int
}

func (s *e2eTestSuite) Test_EndToEnd_Request() {
	for i := 1; i <= 1000000; i++ {
		connectionInfo := UnmanagedAssociationConnectionInfo{
			URL: fmt.Sprintf("http://localhost:%d", s.port),
		}
		_, err := connectionInfo.Request("/foo", "{}")
		s.Assertions.Error(err)
	}
}

func TestE2ETestSuite(t *testing.T) {
	suite.Run(t, &e2eTestSuite{})
}

func (s *e2eTestSuite) SetupSuite() {
	// Find an available TCP port
	listener, err := net.Listen("tcp", ":0")
	s.Assertions.NoError(err)
	s.port = listener.Addr().(*net.TCPAddr).Port

	serverReady := make(chan bool)
	server := Server{
		listener:    listener,
		ServerReady: serverReady,
	}

	go server.Start()
	<-serverReady
}

func (s *e2eTestSuite) TearDownSuite() {
	p, _ := os.FindProcess(syscall.Getpid())
	p.Signal(syscall.SIGINT)
}

func (s *e2eTestSuite) SetupTest() {}

func (s *e2eTestSuite) TearDownTest() {}

// Fake http server
type Server struct {
	listener    net.Listener
	ServerReady chan bool
}

type ErrorHandler struct{}

func (eh *ErrorHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	http.Error(w, "Simulated error", http.StatusInternalServerError)
}

// Start starts http server with a handler that always returns an error.
func (s *Server) Start() {
	srv := &http.Server{Handler: &ErrorHandler{}}
	go func() {
		if err := srv.Serve(s.listener); err != nil {
			logrus.Errorf(err.Error())
			logrus.Infof("shutting down the server")
		}
	}()

	if s.ServerReady != nil {
		s.ServerReady <- true
	}

	quit := make(chan os.Signal)
	signal.Notify(quit, os.Interrupt)
	<-quit

	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	defer cancel()
	if srv != nil {
		err := srv.Shutdown(ctx)
		if err != nil {
			logrus.Errorf(err.Error())
		}
	}

}