Example #1
0
func TestClientNilResult(t *testing.T) {
	c, s := net.Pipe()
	defer c.Close()
	registry := makeRegistry()
	server := birpc.NewEndpoint(jsonmsg.NewCodec(s), registry)
	server_err := make(chan error)
	go func() {
		server_err <- server.Serve()
	}()

	client := birpc.NewEndpoint(jsonmsg.NewCodec(c), nil)
	client_err := make(chan error)
	go func() {
		client_err <- client.Serve()
	}()

	// Synchronous calls
	args := &WordLengthRequest{"xyzzy"}
	err := client.Call("WordLength.Len", args, nil)
	if err != nil {
		t.Errorf("unexpected error from call: %v", err.Error())
	}

	c.Close()

	err = <-server_err
	if err != io.EOF {
		t.Fatalf("unexpected error from peer ServeCodec: %v", err)
	}

	err = <-client_err
	if err != io.ErrClosedPipe {
		t.Fatalf("unexpected error from local ServeCodec: %v", err)
	}
}
Example #2
0
func TestServerSimple(t *testing.T) {
	c, s := net.Pipe()
	defer c.Close()
	registry := makeRegistry()
	server := birpc.NewEndpoint(jsonmsg.NewCodec(s), registry)
	server_err := make(chan error)
	go func() {
		server_err <- server.Serve()
	}()

	io.WriteString(c, PALINDROME)

	var reply WordLength_LowLevelReply
	dec := json.NewDecoder(c)
	if err := dec.Decode(&reply); err != nil && err != io.EOF {
		t.Fatalf("decode failed: %s", err)
	}
	t.Logf("reply msg: %#v", reply)
	if reply.Error != nil {
		t.Fatalf("unexpected error response: %v", reply.Error)
	}
	if reply.Result.Length != 15 {
		t.Fatalf("got wrong answer: %v", reply.Result.Length)
	}

	c.Close()

	err := <-server_err
	if err != io.EOF {
		t.Fatalf("unexpected error from ServeCodec: %v", err)
	}
}
Example #3
0
func TestNonPointerRequest(t *testing.T) {
	c, s := net.Pipe()
	defer c.Close()
	registry := birpc.NewRegistry()
	registry.RegisterService(NonPointerRequest{})
	server := birpc.NewEndpoint(jsonmsg.NewCodec(s), registry)
	server_err := make(chan error)
	go func() {
		server_err <- server.Serve()
	}()

	io.WriteString(c, `{"id": "42", "fn": "NonPointerRequest.NonPointer", "args": 13}`+"\n")

	var reply LowLevelReply
	dec := json.NewDecoder(c)
	if err := dec.Decode(&reply); err != nil && err != io.EOF {
		t.Fatalf("decode failed: %s", err)
	}
	t.Logf("reply msg: %#v", reply)
	if reply.Error != nil {
		t.Fatalf("unexpected error response: %v", reply.Error)
	}
	if string(reply.Result) != `13` {
		t.Fatalf("got wrong answer: %v", reply.Result)
	}

	c.Close()

	err := <-server_err
	if err != io.EOF {
		t.Fatalf("unexpected error from ServeCodec: %v", err)
	}
}
Example #4
0
func TestUnmarshalArgsError(t *testing.T) {
	c, s := net.Pipe()
	defer c.Close()
	registry := birpc.NewRegistry()
	registry.RegisterService(WordLength{})
	server := birpc.NewEndpoint(jsonmsg.NewCodec(s), registry)
	server_err := make(chan error)
	go func() {
		server_err <- server.Serve()
	}()

	const REQ = `{"id": "42", "fn": "WordLength.Len", "args": "evil"}` + "\n"
	io.WriteString(c, REQ)

	var reply LowLevelReply
	dec := json.NewDecoder(c)
	if err := dec.Decode(&reply); err != nil && err != io.EOF {
		t.Fatalf("decode failed: %s", err)
	}
	t.Logf("reply msg: %#v", reply)
	if reply.Error == nil {
		t.Fatalf("expected an error")
	}
	if reply.Result != nil {
		t.Fatalf("got unexpected result: %v", reply.Result)
	}

	c.Close()

	err := <-server_err
	if err != io.EOF {
		t.Fatalf("unexpected error from ServeCodec: %v", err)
	}
}
Example #5
0
func TestServerError(t *testing.T) {
	c, s := net.Pipe()
	defer c.Close()
	registry := birpc.NewRegistry()
	registry.RegisterService(Failing{})
	server := birpc.NewEndpoint(jsonmsg.NewCodec(s), registry)
	server_err := make(chan error)
	go func() {
		server_err <- server.Serve()
	}()

	const REQ = `{"id": "42", "fn": "Failing.Fail", "args": {}}` + "\n"
	io.WriteString(c, REQ)

	var reply LowLevelReply
	dec := json.NewDecoder(c)
	if err := dec.Decode(&reply); err != nil && err != io.EOF {
		t.Fatalf("decode failed: %s", err)
	}
	t.Logf("reply msg: %#v", reply)
	if reply.Error == nil {
		t.Fatalf("expected an error")
	}
	if g, e := reply.Error.Msg, "intentional"; g != e {
		t.Fatalf("unexpected error response: %q != %q", g, e)
	}
	if reply.Result != nil {
		t.Fatalf("got unexpected result: %v", reply.Result)
	}

	c.Close()

	err := <-server_err
	if err != io.EOF {
		t.Fatalf("unexpected error from ServeCodec: %v", err)
	}
}
Example #6
0
func TestFillArgsError(t *testing.T) {
	c, s := net.Pipe()
	defer c.Close()
	registry := birpc.NewRegistry()
	// just need anything with >2 parameters
	registry.RegisterService(&EndpointPeer{})
	jsonCodec := jsonmsg.NewCodec(s)
	codec := BadFillArgsCodec{jsonCodec}
	server := birpc.NewEndpoint(codec, registry)
	server_err := make(chan error)
	go func() {
		server_err <- server.Serve()
	}()

	io.WriteString(c, `{"id":"42","fn":"EndpointPeer.Poke","args":{}}`)

	var reply LowLevelReply
	dec := json.NewDecoder(c)
	if err := dec.Decode(&reply); err != nil && err != io.EOF {
		t.Fatalf("decode failed: %s", err)
	}
	t.Logf("reply msg: %#v", reply)
	if reply.Error == nil {
		t.Fatalf("expected an error")
	}
	if reply.Result != nil {
		t.Fatalf("got unexpected result: %v", reply.Result)
	}

	c.Close()

	err := <-server_err
	if err != io.EOF {
		t.Fatalf("unexpected error from ServeCodec: %v", err)
	}
}
Example #7
0
func TestServerEndpointArg(t *testing.T) {
	peer := &EndpointPeer{}
	registry := birpc.NewRegistry()
	registry.RegisterService(peer)

	c, s := net.Pipe()
	defer c.Close()

	server := birpc.NewEndpoint(jsonmsg.NewCodec(s), registry)
	server_err := make(chan error)
	go func() {
		server_err <- server.Serve()
	}()

	io.WriteString(c, `{"id":"42","fn":"EndpointPeer.Poke","args":{}}`)

	var reply LowLevelReply
	dec := json.NewDecoder(c)
	if err := dec.Decode(&reply); err != nil && err != io.EOF {
		t.Fatalf("decode failed: %s", err)
	}
	t.Logf("reply msg: %#v", reply)
	if reply.Error != nil {
		t.Fatalf("unexpected error response: %v", reply.Error)
	}
	c.Close()

	err := <-server_err
	if err != io.EOF {
		t.Fatalf("unexpected error from ServeCodec: %v", err)
	}

	if peer.seen == nil {
		t.Fatalf("peer never saw a birpc.Endpoint")
	}
}