add router test

+package beego
+
+import (
+	"io/ioutil"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"testing"
+)
+
+type TestController struct {
+	Controller
+}
+
+func (this *TestController) Get() {
+	this.Data["Username"] = "astaxie"
+	this.Ctx.Output.Body([]byte("ok"))
+}
+
+func (this *TestController) List() {
+	this.Ctx.Output.Body([]byte("i am list"))
+}
+
+func TestUserFunc(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/api/list", nil)
+	w := httptest.NewRecorder()
+
+	handler := NewControllerRegistor()
+	handler.Add("/api/list", &TestController{}, "*:List")
+	handler.ServeHTTP(w, r)
+	if w.Body.String() != "i am list" {
+		t.Errorf("user define func can't run")
+	}
+}
+
+func TestAutoFunc(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/test/list", nil)
+	w := httptest.NewRecorder()
+
+	handler := NewControllerRegistor()
+	handler.AddAuto(&TestController{})
+	handler.ServeHTTP(w, r)
+	if w.Body.String() != "i am list" {
+		t.Errorf("user define func can't run")
+	}
+}
+
+func TestRouteOk(t *testing.T) {
+
+	r, _ := http.NewRequest("GET", "/person/anderson/thomas?learn=kungfu", nil)
+	w := httptest.NewRecorder()
+
+	handler := NewControllerRegistor()
+	handler.Add("/person/:last/:first", &TestController{})
+	handler.ServeHTTP(w, r)
+
+	lastNameParam := r.URL.Query().Get(":last")
+	firstNameParam := r.URL.Query().Get(":first")
+	learnParam := r.URL.Query().Get("learn")
+
+	if lastNameParam != "anderson" {
+		t.Errorf("url param set to [%s]; want [%s]", lastNameParam, "anderson")
+	}
+	if firstNameParam != "thomas" {
+		t.Errorf("url param set to [%s]; want [%s]", firstNameParam, "thomas")
+	}
+	if learnParam != "kungfu" {
+		t.Errorf("url param set to [%s]; want [%s]", learnParam, "kungfu")
+	}
+}
+
+func TestNotFound(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/", nil)
+	w := httptest.NewRecorder()
+
+	handler := NewControllerRegistor()
+	handler.ServeHTTP(w, r)
+
+	if w.Code != http.StatusNotFound {
+		t.Errorf("Code set to [%v]; want [%v]", w.Code, http.StatusNotFound)
+	}
+}
+
+// TestStatic tests the ability to serve static
+// content from the filesystem
+func TestStatic(t *testing.T) {
+	r, _ := http.NewRequest("GET", "/router_test.go", nil)
+	w := httptest.NewRecorder()
+	pwd, _ := os.Getwd()
+
+	handler := NewControllerRegistor()
+	SetStaticPath("/", pwd)
+	handler.ServeHTTP(w, r)
+
+	testFile, _ := ioutil.ReadFile(pwd + "/routes_test.go")
+	if w.Body.String() != string(testFile) {
+		t.Errorf("handler.Static failed to serve file")
+	}
+}