istio.io/istio@v0.0.0-20240520182934-d79c90f27776/tests/fuzz/xds_fuzzer.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package fuzz
    16  
    17  import (
    18  	"testing"
    19  
    20  	"istio.io/istio/pilot/pkg/config/kube/crd"
    21  	"istio.io/istio/pilot/pkg/model"
    22  	"istio.io/istio/pilot/test/xds"
    23  )
    24  
    25  func init() {
    26  	testing.Init()
    27  }
    28  
    29  func FuzzXds(data []byte) int {
    30  	t := &testing.T{}
    31  
    32  	// Use crd.ParseInputs to verify data
    33  	_, _, err := crd.ParseInputs(string(data))
    34  	if err != nil {
    35  		return 0
    36  	}
    37  	s := xds.NewFakeDiscoveryServer(t, xds.FakeOptions{
    38  		ConfigString: string(data),
    39  	})
    40  	proxy := s.SetupProxy(&model.Proxy{
    41  		ConfigNamespace: "app",
    42  	})
    43  	_ = s.Listeners(proxy)
    44  	_ = s.Routes(proxy)
    45  	return 1
    46  }