github.com/joao-fontenele/go-url-shortener@v1.3.4/pkg/api/handler/internal_test.go (about)

     1  package handler_test
     2  
     3  import (
     4  	"bytes"
     5  	"context"
     6  	"fmt"
     7  	"io/ioutil"
     8  	"net"
     9  	"net/http"
    10  	"os"
    11  	"testing"
    12  
    13  	"github.com/joao-fontenele/go-url-shortener/pkg/api/router"
    14  	"github.com/joao-fontenele/go-url-shortener/pkg/configger"
    15  	"github.com/joao-fontenele/go-url-shortener/pkg/mocks"
    16  	"github.com/valyala/fasthttp"
    17  	"github.com/valyala/fasthttp/fasthttputil"
    18  )
    19  
    20  func testMain(m *testing.M) int {
    21  	var err error
    22  
    23  	// change dir because default pwd for tests are it's parent dir
    24  	os.Chdir("../../../")
    25  
    26  	err = configger.Load()
    27  	if err != nil {
    28  		fmt.Printf("failed to load configs: %v", err)
    29  		return 1
    30  	}
    31  
    32  	return m.Run()
    33  }
    34  
    35  func TestMain(m *testing.M) {
    36  	os.Exit(testMain(m))
    37  }
    38  
    39  func TestInternalHandler(t *testing.T) {
    40  	linkService := &mocks.FakeLinkService{}
    41  	r := router.New(linkService)
    42  	server := &fasthttp.Server{
    43  		Handler: r.Handler,
    44  	}
    45  
    46  	ln := fasthttputil.NewInmemoryListener()
    47  	go server.Serve(ln)
    48  	defer server.Shutdown()
    49  
    50  	c := http.Client{
    51  		Transport: &http.Transport{
    52  			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
    53  				return ln.Dial()
    54  			},
    55  		},
    56  	}
    57  	defer c.CloseIdleConnections()
    58  
    59  	res, err := c.Get("http://shortener.com/internal/status")
    60  	if err != nil {
    61  		t.Fatalf("Unexpected error requesting /internal/status: %v", err)
    62  	}
    63  	defer res.Body.Close()
    64  
    65  	got, err := ioutil.ReadAll(res.Body)
    66  	if err != nil {
    67  		t.Fatalf("Unexpected error parsing response body: %v", err)
    68  	}
    69  
    70  	want := []byte(`{"running":true}`)
    71  
    72  	if !bytes.Equal(want, got) {
    73  		t.Errorf("Wrong response (want, got): (%s, %s)", want, got)
    74  	}
    75  }