rpc: new RPC implementation with pub/sub support

rpc/v2/json_test.go

@@ -0,0 +1,73 @@
+package v2
+
+import (
+	"bufio"
+	"bytes"
+	"reflect"
+	"testing"
+)
+
+type RWC struct {
+	*bufio.ReadWriter
+}
+
+func (rwc *RWC) Close() error {
+	return nil
+}
+
+func TestJSONRequestParsing(t *testing.T) {
+	server := NewServer()
+	service := new(Service)
+
+	if err := server.RegisterName("calc", service); err != nil {
+		t.Fatalf("%v", err)
+	}
+
+	req := bytes.NewBufferString(`{"id": 1234, "jsonrpc": "2.0", "method": "calc_add", "params": [11, 22]}`)
+	var str string
+	reply := bytes.NewBufferString(str)
+	rw := &RWC{bufio.NewReadWriter(bufio.NewReader(req), bufio.NewWriter(reply))}
+
+	codec := NewJSONCodec(rw)
+
+	requests, batch, err := codec.ReadRequestHeaders()
+	if err != nil {
+		t.Fatalf("%v", err)
+	}
+
+	if batch {
+		t.Fatalf("Request isn't a batch")
+	}
+
+	if len(requests) != 1 {
+		t.Fatalf("Expected 1 request but got %d requests - %v", len(requests), requests)
+	}
+
+	if requests[0].service != "calc" {
+		t.Fatalf("Expected service 'calc' but got '%s'", requests[0].service)
+	}
+
+	if requests[0].method != "add" {
+		t.Fatalf("Expected method 'Add' but got '%s'", requests[0].method)
+	}
+
+	if requests[0].id != 1234 {
+		t.Fatalf("Expected id 1234 but got %d", requests[0].id)
+	}
+
+	var arg int
+	args := []reflect.Type{reflect.TypeOf(arg), reflect.TypeOf(arg)}
+
+	v, err := codec.ParseRequestArguments(args, requests[0].params)
+	if err != nil {
+		t.Fatalf("%v", err)
+	}
+
+	if len(v) != 2 {
+		t.Fatalf("Expected 2 argument values, got %d", len(v))
+	}
+
+	if v[0].Int() != 11 || v[1].Int() != 22 {
+		t.Fatalf("expected %d == 11 && %d == 22", v[0].Int(), v[1].Int())
+	}
+}