blob: 96b28544b84a716042b8fecfe7493ee9ab19a9e5 [file] [log] [blame]
// Copyright 2016 Google LLC
//
// 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 cloud
import (
"bytes"
"io/ioutil"
"os"
"path/filepath"
"strings"
"testing"
)
var sentinels = []string{
"Copyright",
"Google",
`Licensed under the Apache License, Version 2.0 (the "License");`,
}
func TestLicense(t *testing.T) {
t.Parallel()
skip := map[string]bool{
// Automatically generated.
"bigtable/cmd/cbt/cbtdoc.go": true,
// BSD license, which is compatible, is embedded in the file.
"cmd/go-cloud-debug-agent/internal/debug/elf/elf.go": true,
// From https://github.com/golang/pkgsite.
"third_party/pkgsite/print_type.go": true,
"third_party/pkgsite/synopsis.go": true,
"third_party/go/doc/comment.go": true,
"third_party/go/doc/comment_test.go": true,
"third_party/go/doc/doc.go": true,
"third_party/go/doc/example.go": true,
"third_party/go/doc/example_test.go": true,
"third_party/go/doc/exports.go": true,
"third_party/go/doc/filter.go": true,
"third_party/go/doc/headscan.go": true,
"third_party/go/doc/reader.go": true,
"third_party/go/doc/synopsis.go": true,
"third_party/go/doc/synopsis_test.go": true,
}
err := filepath.Walk(".", func(path string, fi os.FileInfo, err error) error {
if err != nil {
return err
}
if ext := filepath.Ext(path); ext != ".go" && ext != ".proto" {
return nil
}
if strings.HasSuffix(path, ".pb.go") {
// .pb.go files are generated from the proto files.
// .proto files must have license headers.
return nil
}
if skip[path] {
return nil
}
src, err := ioutil.ReadFile(path)
if err != nil {
return nil
}
src = src[:300] // Ensure all of the sentinel values are at the top of the file.
// Find license
for _, sentinel := range sentinels {
if !bytes.Contains(src, []byte(sentinel)) {
t.Errorf("%v: license header not present. want %q", path, sentinel)
return nil
}
}
return nil
})
if err != nil {
t.Fatal(err)
}
}