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kratos/transport/http/server_test.go

373 lines
8.7 KiB

package http
import (
"context"
"crypto/tls"
"encoding/json"
"errors"
"fmt"
"io"
"net"
"net/http"
"reflect"
"strings"
"testing"
"time"
kratoserrors "github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/internal/host"
)
var h = func(w http.ResponseWriter, r *http.Request) {
_ = json.NewEncoder(w).Encode(testData{Path: r.RequestURI})
}
type testKey struct{}
type testData struct {
Path string `json:"path"`
}
// handleFuncWrapper is a wrapper for http.HandlerFunc to implement http.Handler
type handleFuncWrapper struct {
fn http.HandlerFunc
}
func (x *handleFuncWrapper) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
x.fn.ServeHTTP(writer, request)
}
func newHandleFuncWrapper(fn http.HandlerFunc) http.Handler {
return &handleFuncWrapper{fn: fn}
}
func TestServeHTTP(t *testing.T) {
ln, err := net.Listen("tcp", ":0")
if err != nil {
t.Fatal(err)
}
mux := NewServer(Listener(ln))
mux.HandleFunc("/index", h)
mux.Route("/errors").GET("/cause", func(ctx Context) error {
return kratoserrors.BadRequest("xxx", "zzz").
WithMetadata(map[string]string{"foo": "bar"}).
WithCause(errors.New("error cause"))
})
if err = mux.WalkRoute(func(r RouteInfo) error {
t.Logf("WalkRoute: %+v", r)
return nil
}); err != nil {
t.Fatal(err)
}
if e, err := mux.Endpoint(); err != nil || e == nil || strings.HasSuffix(e.Host, ":0") {
t.Fatal(e, err)
}
srv := http.Server{Handler: mux}
go func() {
if err := srv.Serve(ln); err != nil {
if kratoserrors.Is(err, http.ErrServerClosed) {
return
}
panic(err)
}
}()
time.Sleep(time.Second)
if err := srv.Shutdown(context.Background()); err != nil {
t.Log(err)
}
}
func TestServer(t *testing.T) {
ctx := context.Background()
srv := NewServer()
srv.Handle("/index", newHandleFuncWrapper(h))
srv.HandleFunc("/index/{id:[0-9]+}", h)
srv.HandlePrefix("/test/prefix", newHandleFuncWrapper(h))
srv.HandleHeader("content-type", "application/grpc-web+json", func(w http.ResponseWriter, r *http.Request) {
_ = json.NewEncoder(w).Encode(testData{Path: r.RequestURI})
})
srv.Route("/errors").GET("/cause", func(ctx Context) error {
return kratoserrors.BadRequest("xxx", "zzz").
WithMetadata(map[string]string{"foo": "bar"}).
WithCause(errors.New("error cause"))
})
if e, err := srv.Endpoint(); err != nil || e == nil || strings.HasSuffix(e.Host, ":0") {
t.Fatal(e, err)
}
go func() {
if err := srv.Start(ctx); err != nil {
panic(err)
}
}()
time.Sleep(time.Second)
testHeader(t, srv)
testClient(t, srv)
testAccept(t, srv)
time.Sleep(time.Second)
if srv.Stop(ctx) != nil {
t.Errorf("expected nil got %v", srv.Stop(ctx))
}
}
func testAccept(t *testing.T, srv *Server) {
tests := []struct {
method string
path string
contentType string
}{
{"GET", "/errors/cause", "application/json"},
{"GET", "/errors/cause", "application/proto"},
}
e, err := srv.Endpoint()
if err != nil {
t.Errorf("expected nil got %v", err)
}
client, err := NewClient(context.Background(), WithEndpoint(e.Host))
if err != nil {
t.Errorf("expected nil got %v", err)
}
for _, test := range tests {
req, err := http.NewRequest(test.method, e.String()+test.path, nil)
if err != nil {
t.Errorf("expected nil got %v", err)
}
req.Header.Set("Content-Type", test.contentType)
resp, err := client.Do(req)
if kratoserrors.Code(err) != 400 {
t.Errorf("expected 400 got %v", err)
}
if err == nil {
resp.Body.Close()
}
}
}
func testHeader(t *testing.T, srv *Server) {
e, err := srv.Endpoint()
if err != nil {
t.Errorf("expected nil got %v", err)
}
client, err := NewClient(context.Background(), WithEndpoint(e.Host))
if err != nil {
t.Errorf("expected nil got %v", err)
}
reqURL := fmt.Sprintf(e.String() + "/index")
req, err := http.NewRequest("GET", reqURL, nil)
if err != nil {
t.Errorf("expected nil got %v", err)
}
req.Header.Set("content-type", "application/grpc-web+json")
resp, err := client.Do(req)
if err != nil {
t.Errorf("expected nil got %v", err)
}
resp.Body.Close()
}
func testClient(t *testing.T, srv *Server) {
tests := []struct {
method string
path string
code int
}{
{"GET", "/index", http.StatusOK},
{"PUT", "/index", http.StatusOK},
{"POST", "/index", http.StatusOK},
{"PATCH", "/index", http.StatusOK},
{"DELETE", "/index", http.StatusOK},
{"GET", "/index/1", http.StatusOK},
{"PUT", "/index/1", http.StatusOK},
{"POST", "/index/1", http.StatusOK},
{"PATCH", "/index/1", http.StatusOK},
{"DELETE", "/index/1", http.StatusOK},
{"GET", "/index/notfound", http.StatusNotFound},
{"GET", "/errors/cause", http.StatusBadRequest},
{"GET", "/test/prefix/123111", http.StatusOK},
}
e, err := srv.Endpoint()
if err != nil {
t.Fatal(err)
}
client, err := NewClient(context.Background(), WithEndpoint(e.Host))
if err != nil {
t.Fatal(err)
}
defer client.Close()
for _, test := range tests {
var res testData
reqURL := fmt.Sprintf(e.String() + test.path)
req, err := http.NewRequest(test.method, reqURL, nil)
if err != nil {
t.Fatal(err)
}
resp, err := client.Do(req)
if kratoserrors.Code(err) != test.code {
t.Fatalf("want %v, but got %v", test, err)
}
if err != nil {
continue
}
if resp.StatusCode != 200 {
_ = resp.Body.Close()
t.Fatalf("http status got %d", resp.StatusCode)
}
content, err := io.ReadAll(resp.Body)
_ = resp.Body.Close()
if err != nil {
t.Fatalf("read resp error %v", err)
}
err = json.Unmarshal(content, &res)
if err != nil {
t.Fatalf("unmarshal resp error %v", err)
}
if res.Path != test.path {
t.Errorf("expected %s got %s", test.path, res.Path)
}
}
for _, test := range tests {
var res testData
err := client.Invoke(context.Background(), test.method, test.path, nil, &res)
if kratoserrors.Code(err) != test.code {
t.Fatalf("want %v, but got %v", test, err)
}
if err != nil {
continue
}
if res.Path != test.path {
t.Errorf("expected %s got %s", test.path, res.Path)
}
}
}
func BenchmarkServer(b *testing.B) {
fn := func(w http.ResponseWriter, r *http.Request) {
data := &testData{Path: r.RequestURI}
_ = json.NewEncoder(w).Encode(data)
if r.Context().Value(testKey{}) != "test" {
w.WriteHeader(500)
}
}
ctx := context.Background()
ctx = context.WithValue(ctx, testKey{}, "test")
srv := NewServer()
srv.HandleFunc("/index", fn)
go func() {
if err := srv.Start(ctx); err != nil {
panic(err)
}
}()
time.Sleep(time.Second)
port, ok := host.Port(srv.lis)
if !ok {
b.Errorf("expected port got %v", srv.lis)
}
client, err := NewClient(context.Background(), WithEndpoint(fmt.Sprintf("127.0.0.1:%d", port)))
if err != nil {
b.Errorf("expected nil got %v", err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var res testData
err := client.Invoke(context.Background(), "POST", "/index", nil, &res)
if err != nil {
b.Errorf("expected nil got %v", err)
}
}
_ = srv.Stop(ctx)
}
func TestNetwork(t *testing.T) {
o := &Server{}
v := "abc"
Network(v)(o)
if !reflect.DeepEqual(v, o.network) {
t.Errorf("expected %v got %v", v, o.network)
}
}
func TestAddress(t *testing.T) {
o := &Server{}
v := "abc"
Address(v)(o)
if !reflect.DeepEqual(v, o.address) {
t.Errorf("expected %v got %v", v, o.address)
}
}
func TestTimeout(t *testing.T) {
o := &Server{}
v := time.Duration(123)
Timeout(v)(o)
if !reflect.DeepEqual(v, o.timeout) {
t.Errorf("expected %v got %v", v, o.timeout)
}
}
func TestLogger(t *testing.T) {
// todo
}
func TestRequestDecoder(t *testing.T) {
o := &Server{}
v := func(*http.Request, interface{}) error { return nil }
RequestDecoder(v)(o)
if o.dec == nil {
t.Errorf("expected nil got %v", o.dec)
}
}
func TestResponseEncoder(t *testing.T) {
o := &Server{}
v := func(http.ResponseWriter, *http.Request, interface{}) error { return nil }
ResponseEncoder(v)(o)
if o.enc == nil {
t.Errorf("expected nil got %v", o.enc)
}
}
func TestErrorEncoder(t *testing.T) {
o := &Server{}
v := func(http.ResponseWriter, *http.Request, error) {}
ErrorEncoder(v)(o)
if o.ene == nil {
t.Errorf("expected nil got %v", o.ene)
}
}
func TestTLSConfig(t *testing.T) {
o := &Server{}
v := &tls.Config{}
TLSConfig(v)(o)
if !reflect.DeepEqual(v, o.tlsConf) {
t.Errorf("expected %v got %v", v, o.tlsConf)
}
}
func TestStrictSlash(t *testing.T) {
o := &Server{}
v := true
StrictSlash(v)(o)
if !reflect.DeepEqual(v, o.strictSlash) {
t.Errorf("expected %v got %v", v, o.tlsConf)
}
}
func TestListener(t *testing.T) {
lis, err := net.Listen("tcp", ":0")
if err != nil {
t.Fatal(err)
}
s := &Server{}
Listener(lis)(s)
if !reflect.DeepEqual(s.lis, lis) {
t.Errorf("expected %v got %v", lis, s.lis)
}
if e, err := s.Endpoint(); err != nil || e == nil {
t.Errorf("expected not empty")
}
}