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// Copyright 2017 Google LLC. 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 types
import (
"encoding"
"reflect"
"testing"
_ "k8s.io/klog/v2" // Don't crash when --logtostderr is supplied
)
func TestLogRoot(t *testing.T) {
for _, logRoot := range []interface {
encoding.BinaryMarshaler
encoding.BinaryUnmarshaler
}{
&LogRootV1{
RootHash: []byte("foo"),
Metadata: []byte{},
},
} {
b, err := logRoot.MarshalBinary()
if err != nil {
t.Errorf("%v MarshalBinary(): %v", logRoot, err)
continue
}
var got LogRootV1
if err := got.UnmarshalBinary(b); err != nil {
t.Errorf("UnmarshalBinary(): %v", err)
continue
}
if !reflect.DeepEqual(&got, logRoot) {
t.Errorf("serialize/parse round trip failed. got %#v, want %#v", got, logRoot)
}
}
}
func TestUnmarshalLogRoot(t *testing.T) {
for _, tc := range []struct {
logRoot []byte
wantErr bool
}{
{logRoot: MustMarshalLogRoot(&LogRootV1{})},
{
logRoot: func() []byte {
b := MustMarshalLogRoot(&LogRootV1{})
b[0] = 1 // Corrupt the version tag.
return b
}(),
wantErr: true,
},
{
// Correct type, but junk afterwards.
logRoot: []byte{0, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5},
wantErr: true,
},
{
// Incorrect type.
logRoot: []byte{0},
wantErr: true,
},
{logRoot: []byte("foo"), wantErr: true},
{logRoot: nil, wantErr: true},
} {
var got LogRootV1
err := got.UnmarshalBinary(tc.logRoot)
if got, want := err != nil, tc.wantErr; got != want {
t.Errorf("UnmarshalBinary(): %v, wantErr %v", err, want)
}
}
// Unmarshaling to a nil should throw an error.
var nilPtr *LogRootV1
if err := nilPtr.UnmarshalBinary(MustMarshalLogRoot(&LogRootV1{})); err == nil {
t.Errorf("nil.UnmarshalBinary(): %v, want err", err)
}
}
func MustMarshalLogRoot(root *LogRootV1) []byte {
b, err := root.MarshalBinary()
if err != nil {
panic(err)
}
return b
}
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