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// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.18
// +build go1.18
package vulntest
import (
"bytes"
"io"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/google/go-cmp/cmp"
)
func readAll(t *testing.T, filename string) io.Reader {
d, err := ioutil.ReadFile(filename)
if err != nil {
t.Fatal(err)
}
return bytes.NewReader(d)
}
func TestRoundTrip(t *testing.T) {
// A report shouldn't change after being read and then written.
in := filepath.Join("testdata", "report.yaml")
r, err := readReport(readAll(t, in))
if err != nil {
t.Fatal(err)
}
out := filepath.Join(t.TempDir(), "report.yaml")
if err := r.Write(out); err != nil {
t.Fatal(err)
}
want, err := os.ReadFile(in)
if err != nil {
t.Fatal(err)
}
got, err := os.ReadFile(out)
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(want, got); diff != "" {
t.Errorf("mismatch (-want, +got):\n%s", diff)
}
}
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