mirror of
https://github.com/rclone/rclone.git
synced 2024-12-04 22:34:48 +01:00
87 lines
2.9 KiB
Go
87 lines
2.9 KiB
Go
// Go support for Protocol Buffers - Google's data interchange format
|
|
//
|
|
// Copyright 2012 The Go Authors. All rights reserved.
|
|
// https://github.com/golang/protobuf
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
// Verify that the compiler output for test.proto is unchanged.
|
|
|
|
package testdata
|
|
|
|
import (
|
|
"crypto/sha1"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"testing"
|
|
)
|
|
|
|
// sum returns in string form (for easy comparison) the SHA-1 hash of the named file.
|
|
func sum(t *testing.T, name string) string {
|
|
data, err := ioutil.ReadFile(name)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Logf("sum(%q): length is %d", name, len(data))
|
|
hash := sha1.New()
|
|
_, err = hash.Write(data)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return fmt.Sprintf("% x", hash.Sum(nil))
|
|
}
|
|
|
|
func run(t *testing.T, name string, args ...string) {
|
|
cmd := exec.Command(name, args...)
|
|
cmd.Stdin = os.Stdin
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
err := cmd.Run()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
func TestGolden(t *testing.T) {
|
|
// Compute the original checksum.
|
|
goldenSum := sum(t, "test.pb.go")
|
|
// Run the proto compiler.
|
|
run(t, "protoc", "--go_out="+os.TempDir(), "test.proto")
|
|
newFile := filepath.Join(os.TempDir(), "test.pb.go")
|
|
defer os.Remove(newFile)
|
|
// Compute the new checksum.
|
|
newSum := sum(t, newFile)
|
|
// Verify
|
|
if newSum != goldenSum {
|
|
run(t, "diff", "-u", "test.pb.go", newFile)
|
|
t.Fatal("Code generated by protoc-gen-go has changed; update test.pb.go")
|
|
}
|
|
}
|