func TestHandler(t *testing.T) {
emptyFunc := func(ctx context.Context, w http.ResponseWriter, r *http.Request) error {
return nil
}
for i, tc := range []struct {
http.Handler
}{
{httpctx.HandleFunc(emptyFunc)},
{httpctx.Use(middleware1).Use(middleware2).HandleFunc(emptyFunc)},
{httpctx.Context(context.TODO()).Use(middleware2).HandleFunc(emptyFunc)},
} {
srv := httptest.NewServer(tc.Handler)
resp, err := http.Get(srv.URL)
srv.Close()
resp.Body.Close()
if err != nil {
t.Errorf("%d. %v", i, err)
}
}
}
func ExampleContext() {
ctx := context.Background()
// Create a new context based on the background context.
// For example, cancel on SIGINT and/or SIGTERM.
ctx = makeNewContext(ctx)
// Any call using the public stack will be passed ctx
// instead of the background context for the handlers
// in the stack.
public := httpctx.Context(ctx).Use(ensureHttps)
// Because authenticate is based on public, any call
// using this stack will also be passed ctx instead
// of the background context for handlers in the stack.
authenticate := public.Use(authenticate, ensureAdmin)
http.Handle("/admin", authenticate.HandleFunc(admin))
http.Handle("/", public.HandleFunc(index))
http.ListenAndServe(":8080", nil)
}