github.com/unigraph-dev/dgraph@v1.1.1-0.20200923154953-8b52b426f765/gql/parser_fuzz.go (about)

     1  // +build gofuzz
     2  
     3  /*
     4   * Copyright 2017-2018 Dgraph Labs, Inc. and Contributors
     5   *
     6   * Licensed under the Apache License, Version 2.0 (the "License");
     7   * you may not use this file except in compliance with the License.
     8   * You may obtain a copy of the License at
     9   *
    10   *     http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing, software
    13   * distributed under the License is distributed on an "AS IS" BASIS,
    14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15   * See the License for the specific language governing permissions and
    16   * limitations under the License.
    17   */
    18  
    19  package gql
    20  
    21  // GQL parser fuzzer for use with https://github.com/dvyukov/go-fuzz.
    22  //
    23  // Build: go-fuzz-build github.com/dgraph-io/dgraph/gql
    24  //
    25  // Run: go-fuzz -bin=./gql-fuzz.zip -workdir fuzz-data
    26  
    27  const (
    28  	fuzzInteresting = 1
    29  	fuzzNormal      = 0
    30  	fuzzDiscard     = -1
    31  )
    32  
    33  func Fuzz(in []byte) int {
    34  	_, err := Parse(Request{Str: string(in)})
    35  	if err == nil {
    36  		return fuzzInteresting
    37  	}
    38  
    39  	return fuzzNormal
    40  }