beego: support namespace

ns := beego.NewNamespace("/v1/api/")
ns.Cond(func(ctx *context.Context)bool{
	    if ctx.Input.Domain() == "www.beego.me" {
	    	return true
	    }
	    return false
	})
.Filter("before", Authenticate)
.Router("/order",	&admin.OrderController{})
.Get("/version",func (ctx *context.Context) {
	ctx.Output.Body([]byte("1.0.0"))
})
.Post("/login",func (ctx *context.Context) {
	if ctx.Query("username") == "admin" && ctx.Query("username") ==
"password" {

	}
})
.Namespace(
	NewNamespace("/shop").
		Get("/order/:id", func(ctx *context.Context) {
		ctx.Output.Body([]byte(ctx.Input.Param(":id")))
	}),
)

namespace_test.go

@@ -0,0 +1,137 @@
+// Beego (http://beego.me/)
+// @description beego is an open-source, high-performance web framework for the Go programming language.
+// @link        http://github.com/astaxie/beego for the canonical source repository
+// @license     http://github.com/astaxie/beego/blob/master/LICENSE
+// @authors     astaxie
+
+package beego
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strconv"
+	"testing"
+
+	"github.com/astaxie/beego/context"
+)
+
+func TestNamespaceGet(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/v1/user", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.Get("/user", func(ctx *context.Context) {
+		ctx.Output.Body([]byte("v1_user"))
+	})
+	ns.ServeHTTP(w, r)
+	if w.Body.String() != "v1_user" {
+		t.Errorf("TestNamespaceGet can't run, get the response is " + w.Body.String())
+	}
+}
+
+func TestNamespacePost(t *testing.T) {
+	r, _ := http.NewRequest("POST", "/v1/user/123", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.Post("/user/:id", func(ctx *context.Context) {
+		ctx.Output.Body([]byte(ctx.Input.Param(":id")))
+	})
+	ns.ServeHTTP(w, r)
+	if w.Body.String() != "123" {
+		t.Errorf("TestNamespacePost can't run, get the response is " + w.Body.String())
+	}
+}
+
+func TestNamespaceNest(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/v1/admin/order", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.Namespace(
+		NewNamespace("/admin").
+			Get("/order", func(ctx *context.Context) {
+			ctx.Output.Body([]byte("order"))
+		}),
+	)
+	ns.ServeHTTP(w, r)
+	if w.Body.String() != "order" {
+		t.Errorf("TestNamespaceNest can't run, get the response is " + w.Body.String())
+	}
+}
+
+func TestNamespaceNestParam(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/v1/admin/order/123", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.Namespace(
+		NewNamespace("/admin").
+			Get("/order/:id", func(ctx *context.Context) {
+			ctx.Output.Body([]byte(ctx.Input.Param(":id")))
+		}),
+	)
+	ns.ServeHTTP(w, r)
+	if w.Body.String() != "123" {
+		t.Errorf("TestNamespaceNestParam can't run, get the response is " + w.Body.String())
+	}
+}
+
+func TestNamespaceFilter(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/v1/user/123", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.Filter("before", func(ctx *context.Context) {
+		ctx.Output.Body([]byte("this is Filter"))
+	}).
+		Get("/user/:id", func(ctx *context.Context) {
+		ctx.Output.Body([]byte(ctx.Input.Param(":id")))
+	})
+	ns.ServeHTTP(w, r)
+	if w.Body.String() != "this is Filter" {
+		t.Errorf("TestNamespaceFilter can't run, get the response is " + w.Body.String())
+	}
+}
+
+func TestNamespaceRouter(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/v1/api/list", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.Router("/api/list", &TestController{}, "*:List")
+	ns.ServeHTTP(w, r)
+	if w.Body.String() != "i am list" {
+		t.Errorf("TestNamespaceRouter can't run, get the response is " + w.Body.String())
+	}
+}
+
+func TestNamespaceAutoFunc(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/v1/test/list", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.AutoRouter(&TestController{})
+	ns.ServeHTTP(w, r)
+	if w.Body.String() != "i am list" {
+		t.Errorf("user define func can't run")
+	}
+}
+
+func TestNamespaceCond(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/v1/test/list", nil)
+	w := httptest.NewRecorder()
+
+	ns := NewNamespace("/v1")
+	ns.Cond(func(ctx *context.Context) bool {
+		if ctx.Input.Domain() == "beego.me" {
+			return true
+		}
+		return false
+	}).
+		AutoRouter(&TestController{})
+	ns.ServeHTTP(w, r)
+	if w.Code != 405 {
+		t.Errorf("TestNamespaceCond can't run get the result " + strconv.Itoa(w.Code))
+	}
+}