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middleware.go
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middleware.go
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package gobistest
import (
"github.com/orange-cloudfoundry/gobis"
"net/http"
"net/http/httptest"
"strings"
)
const DEFAULT_HANDLER_RESPONSE = "i'm the backend"
type MiddlewareTest struct {
rr *httptest.ResponseRecorder
route gobis.ProxyRoute
backendHandler http.Handler
middlewareHandlers []gobis.MiddlewareHandler
}
func NewSimpleMiddlewareTest(middlewareParams interface{}, middlewareHandlers ...gobis.MiddlewareHandler) *MiddlewareTest {
midNames := make([]string, len(middlewareHandlers))
for i, middleware := range middlewareHandlers {
midNames[i] = gobis.GetMiddlewareName(middleware)
}
routeName := "route_" + strings.ToLower(strings.Join(midNames, "_"))
route := gobis.ProxyRoute{
Name: routeName,
Path: gobis.NewPathMatcher("/**"),
ShowError: true,
MiddlewareParams: middlewareParams,
}
handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Write([]byte(DEFAULT_HANDLER_RESPONSE))
})
return NewMiddlewareTest(route, handler, middlewareHandlers...)
}
func NewMiddlewareTest(route gobis.ProxyRoute, backendHandler http.Handler, middlewareHandlers ...gobis.MiddlewareHandler) *MiddlewareTest {
return &MiddlewareTest{
route: route,
backendHandler: backendHandler,
middlewareHandlers: middlewareHandlers,
}
}
func (t *MiddlewareTest) Run(req *http.Request) *http.Response {
gobisHandler := NewGobisHandlerTest([]gobis.ProxyRoute{t.route}, t.middlewareHandlers...)
defer gobisHandler.Close()
gobisHandler.SetBackendHandlerFirst(t.backendHandler)
t.rr = httptest.NewRecorder()
gobisHandler.ServeHTTP(t.rr, req)
return t.rr.Result()
}
func (t MiddlewareTest) ResponseRecorder() *httptest.ResponseRecorder {
return t.rr
}
func (t MiddlewareTest) ResponseWriter() http.ResponseWriter {
return t.rr
}
func (t *MiddlewareTest) SetMiddlewareParams(middlewareParams interface{}) {
route := t.route
route.MiddlewareParams = middlewareParams
t.route = route
}
func (t *MiddlewareTest) AddMiddlewareParam(rootKey string, key string, value interface{}) {
if _, ok := t.route.MiddlewareParams.(map[string]interface{}); !ok {
panic("Middleware params is not a map[string]interface{} type. ")
}
rootParams := t.route.MiddlewareParams.(map[string]interface{})
params := rootParams[rootKey].(map[string]interface{})
params[key] = value
rootParams[rootKey] = params
t.SetMiddlewareParams(rootParams)
}
func (t *MiddlewareTest) AddMiddlewareParamToFirst(key string, value interface{}) {
if _, ok := t.route.MiddlewareParams.(map[string]interface{}); !ok {
panic("Middleware params is not a map[string]interface{} type. ")
}
rootParams := t.route.MiddlewareParams.(map[string]interface{})
var rootKey string
for rootKey = range rootParams {
break
}
t.AddMiddlewareParam(rootKey, key, value)
}
func (t *MiddlewareTest) SetMiddlewares(middlewareHandlers []gobis.MiddlewareHandler) {
t.middlewareHandlers = middlewareHandlers
}
func (t *MiddlewareTest) AddMiddlewares(middlewareHandlers ...gobis.MiddlewareHandler) {
t.middlewareHandlers = append(t.middlewareHandlers, middlewareHandlers...)
}
func (t *MiddlewareTest) CleanMiddlewares() {
t.middlewareHandlers = make([]gobis.MiddlewareHandler, 0)
}
func (t *MiddlewareTest) SetRoute(route gobis.ProxyRoute) {
t.route = route
}
func (t *MiddlewareTest) SetBackendHandler(handler http.Handler) {
t.backendHandler = handler
}
func (t MiddlewareTest) CreateRequest(methods ...string) *http.Request {
return CreateRequest(t.route, methods...)
}