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295 lines
7.2 KiB
295 lines
7.2 KiB
package grpc
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import (
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"context"
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"crypto/tls"
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"fmt"
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"net"
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"net/url"
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"reflect"
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"strings"
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"testing"
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"time"
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"github.com/go-kratos/kratos/v2/errors"
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"github.com/go-kratos/kratos/v2/internal/matcher"
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pb "github.com/go-kratos/kratos/v2/internal/testdata/helloworld"
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"github.com/go-kratos/kratos/v2/middleware"
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"github.com/go-kratos/kratos/v2/transport"
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"google.golang.org/grpc"
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)
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// server is used to implement helloworld.GreeterServer.
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type server struct {
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pb.UnimplementedGreeterServer
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}
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func (s *server) SayHelloStream(streamServer pb.Greeter_SayHelloStreamServer) error {
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tctx, ok := transport.FromServerContext(streamServer.Context())
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if ok {
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tctx.ReplyHeader().Set("123", "123")
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}
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var cnt uint
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for {
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in, err := streamServer.Recv()
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if err != nil {
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return err
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}
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if in.Name == "error" {
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return errors.BadRequest("custom_error", fmt.Sprintf("invalid argument %s", in.Name))
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}
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if in.Name == "panic" {
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panic("server panic")
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}
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err = streamServer.Send(&pb.HelloReply{
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Message: fmt.Sprintf("hello %s", in.Name),
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})
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if err != nil {
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return err
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}
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cnt++
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if cnt > 1 {
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return nil
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}
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}
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}
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// SayHello implements helloworld.GreeterServer
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func (s *server) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {
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if in.Name == "error" {
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return nil, errors.BadRequest("custom_error", fmt.Sprintf("invalid argument %s", in.Name))
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}
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if in.Name == "panic" {
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panic("server panic")
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}
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return &pb.HelloReply{Message: fmt.Sprintf("Hello %+v", in.Name)}, nil
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}
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type testKey struct{}
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func TestServer(t *testing.T) {
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ctx := context.Background()
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ctx = context.WithValue(ctx, testKey{}, "test")
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srv := NewServer(
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Middleware(
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func(handler middleware.Handler) middleware.Handler {
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return func(ctx context.Context, req interface{}) (reply interface{}, err error) {
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if tr, ok := transport.FromServerContext(ctx); ok {
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if tr.ReplyHeader() != nil {
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tr.ReplyHeader().Set("req_id", "3344")
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}
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}
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return handler(ctx, req)
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}
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}),
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UnaryInterceptor(func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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return handler(ctx, req)
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}),
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Options(grpc.InitialConnWindowSize(0)),
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)
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pb.RegisterGreeterServer(srv, &server{})
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if e, err := srv.Endpoint(); err != nil || e == nil || strings.HasSuffix(e.Host, ":0") {
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t.Fatal(e, err)
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}
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go func() {
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// start server
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if err := srv.Start(ctx); err != nil {
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panic(err)
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}
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}()
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time.Sleep(time.Second)
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testClient(t, srv)
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_ = srv.Stop(ctx)
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}
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func testClient(t *testing.T, srv *Server) {
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u, err := srv.Endpoint()
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if err != nil {
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t.Fatal(err)
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}
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// new a gRPC client
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conn, err := DialInsecure(context.Background(),
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WithEndpoint(u.Host),
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WithOptions(grpc.WithBlock()),
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WithUnaryInterceptor(
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func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
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return invoker(ctx, method, req, reply, cc, opts...)
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}),
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WithMiddleware(func(handler middleware.Handler) middleware.Handler {
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return func(ctx context.Context, req interface{}) (reply interface{}, err error) {
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if tr, ok := transport.FromClientContext(ctx); ok {
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header := tr.RequestHeader()
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header.Set("x-md-trace", "2233")
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}
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return handler(ctx, req)
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}
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}),
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)
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defer func() {
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_ = conn.Close()
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}()
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if err != nil {
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t.Fatal(err)
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}
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client := pb.NewGreeterClient(conn)
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reply, err := client.SayHello(context.Background(), &pb.HelloRequest{Name: "kratos"})
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t.Log(err)
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if err != nil {
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t.Errorf("failed to call: %v", err)
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}
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if !reflect.DeepEqual(reply.Message, "Hello kratos") {
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t.Errorf("expect %s, got %s", "Hello kratos", reply.Message)
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}
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streamCli, err := client.SayHelloStream(context.Background())
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if err != nil {
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t.Error(err)
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return
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}
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defer func() {
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_ = streamCli.CloseSend()
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}()
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err = streamCli.Send(&pb.HelloRequest{Name: "cc"})
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if err != nil {
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t.Error(err)
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return
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}
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reply, err = streamCli.Recv()
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if err != nil {
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t.Error(err)
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return
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}
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if !reflect.DeepEqual(reply.Message, "hello cc") {
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t.Errorf("expect %s, got %s", "hello cc", reply.Message)
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}
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}
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func TestNetwork(t *testing.T) {
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o := &Server{}
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v := "abc"
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Network(v)(o)
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if !reflect.DeepEqual(v, o.network) {
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t.Errorf("expect %s, got %s", v, o.network)
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}
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}
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func TestAddress(t *testing.T) {
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v := "abc"
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o := NewServer(Address(v))
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if !reflect.DeepEqual(v, o.address) {
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t.Errorf("expect %s, got %s", v, o.address)
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}
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u, err := o.Endpoint()
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if err == nil {
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t.Errorf("expect %s, got %s", v, err)
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}
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if u != nil {
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t.Errorf("expect %s, got %s", v, u)
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}
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}
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func TestTimeout(t *testing.T) {
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o := &Server{}
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v := time.Duration(123)
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Timeout(v)(o)
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if !reflect.DeepEqual(v, o.timeout) {
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t.Errorf("expect %s, got %s", v, o.timeout)
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}
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}
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func TestTLSConfig(t *testing.T) {
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o := &Server{}
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v := &tls.Config{}
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TLSConfig(v)(o)
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if !reflect.DeepEqual(v, o.tlsConf) {
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t.Errorf("expect %v, got %v", v, o.tlsConf)
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}
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}
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func TestUnaryInterceptor(t *testing.T) {
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o := &Server{}
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v := []grpc.UnaryServerInterceptor{
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func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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return nil, nil
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},
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func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
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return nil, nil
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},
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}
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UnaryInterceptor(v...)(o)
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if !reflect.DeepEqual(v, o.unaryInts) {
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t.Errorf("expect %v, got %v", v, o.unaryInts)
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}
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}
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func TestStreamInterceptor(t *testing.T) {
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o := &Server{}
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v := []grpc.StreamServerInterceptor{
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func(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
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return nil
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},
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func(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
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return nil
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},
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}
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StreamInterceptor(v...)(o)
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if !reflect.DeepEqual(v, o.streamInts) {
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t.Errorf("expect %v, got %v", v, o.streamInts)
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}
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}
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func TestOptions(t *testing.T) {
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o := &Server{}
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v := []grpc.ServerOption{
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grpc.EmptyServerOption{},
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}
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Options(v...)(o)
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if !reflect.DeepEqual(v, o.grpcOpts) {
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t.Errorf("expect %v, got %v", v, o.grpcOpts)
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}
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}
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type testResp struct {
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Data string
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}
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func TestServer_unaryServerInterceptor(t *testing.T) {
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u, err := url.Parse("grpc://hello/world")
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if err != nil {
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t.Errorf("expect %v, got %v", nil, err)
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}
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srv := &Server{
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baseCtx: context.Background(),
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endpoint: u,
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timeout: time.Duration(10),
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middleware: matcher.New(),
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}
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srv.middleware.Use(EmptyMiddleware())
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req := &struct{}{}
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rv, err := srv.unaryServerInterceptor()(context.TODO(), req, &grpc.UnaryServerInfo{}, func(ctx context.Context, req interface{}) (i interface{}, e error) {
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return &testResp{Data: "hi"}, nil
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})
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if err != nil {
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t.Errorf("expect %v, got %v", nil, err)
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}
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if !reflect.DeepEqual("hi", rv.(*testResp).Data) {
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t.Errorf("expect %s, got %s", "hi", rv.(*testResp).Data)
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}
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}
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func TestListener(t *testing.T) {
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lis, err := net.Listen("tcp", ":0")
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if err != nil {
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t.Fatal(err)
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}
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s := &Server{}
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Listener(lis)(s)
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if !reflect.DeepEqual(lis, s.lis) {
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t.Errorf("expect %v, got %v", lis, s.lis)
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}
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if e, err := s.Endpoint(); err != nil || e == nil {
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t.Errorf("expect not empty")
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}
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}
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