Added first fuzzer

diff --git a/tpl/transform/fuzz.go b/tpl/transform/fuzz.go
new file mode 100644 (file)
index 0000000..0380125
--- /dev/null
+++ b/tpl/transform/fuzz.go
@@ -0,0 +1,62 @@
+// +build gofuzz
+
+// Copyright 2017 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package transform
+
+import (
+       "github.com/gohugoio/hugo/common/loggers"
+       "github.com/gohugoio/hugo/config"
+       "github.com/gohugoio/hugo/deps"
+       "github.com/gohugoio/hugo/helpers"
+       "github.com/gohugoio/hugo/hugofs"
+       "github.com/gohugoio/hugo/langs"
+       "github.com/spf13/afero"
+       "github.com/spf13/viper"
+)
+
+type tstNoStringer struct{}
+
+func newDeps(cfg config.Provider) *deps.Deps {
+       cfg.Set("contentDir", "content")
+       cfg.Set("i18nDir", "i18n")
+
+       l := langs.NewLanguage("en", cfg)
+
+       cs, _ := helpers.NewContentSpec(l, loggers.NewErrorLogger(), afero.NewMemMapFs())
+
+       return &deps.Deps{
+               Cfg:         cfg,
+               Fs:          hugofs.NewMem(l),
+               ContentSpec: cs,
+       }
+}
+
+func FuzzMarkdownify(data []byte) int {
+       v := viper.New()
+       v.Set("contentDir", "content")
+       ns := New(newDeps(v))
+
+       for _, test := range []struct {
+               s interface{}
+       }{
+               {string(data)},
+       } {
+               _, err := ns.Markdownify(test.s)
+               if err != nil {
+                       return 0
+               }
+       }
+       return 1
+}