github.com/letsencrypt/trillian@v1.1.2-0.20180615153820-ae375a99d36a/crypto/keys/handlers_test.go (about)

     1  // Copyright 2017 Google Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package keys_test
    16  
    17  import (
    18  	"context"
    19  	"crypto"
    20  	"errors"
    21  	"testing"
    22  
    23  	"github.com/golang/protobuf/proto"
    24  	"github.com/golang/protobuf/ptypes/empty"
    25  	. "github.com/google/trillian/crypto/keys"
    26  	"github.com/google/trillian/crypto/keys/pem"
    27  	"github.com/google/trillian/testonly"
    28  )
    29  
    30  func fakeHandler(signer crypto.Signer, err error) ProtoHandler {
    31  	return func(ctx context.Context, pb proto.Message) (crypto.Signer, error) {
    32  		return signer, err
    33  	}
    34  }
    35  
    36  func TestNewSigner(t *testing.T) {
    37  	wantSigner, err := pem.UnmarshalPrivateKey(testonly.DemoPrivateKey, testonly.DemoPrivateKeyPass)
    38  	if err != nil {
    39  		t.Fatalf("Error unmarshaling test private key: %v", err)
    40  	}
    41  
    42  	ctx := context.Background()
    43  
    44  	for _, test := range []struct {
    45  		desc     string
    46  		keyProto proto.Message
    47  		handler  ProtoHandler
    48  		wantErr  bool
    49  	}{
    50  		{
    51  			desc:     "KeyProto with handler",
    52  			keyProto: &empty.Empty{},
    53  			handler:  fakeHandler(wantSigner, nil),
    54  		},
    55  		{
    56  			desc:     "Invalid KeyProto with handler",
    57  			keyProto: &empty.Empty{},
    58  			handler:  fakeHandler(nil, errors.New("invalid KeyProto")),
    59  			wantErr:  true,
    60  		},
    61  		{
    62  			desc:     "KeyProto with no handler",
    63  			keyProto: &empty.Empty{},
    64  			wantErr:  true,
    65  		},
    66  		{
    67  			desc:    "Nil KeyProto",
    68  			wantErr: true,
    69  		},
    70  	} {
    71  		if test.handler != nil {
    72  			RegisterHandler(test.keyProto, test.handler)
    73  		}
    74  
    75  		gotSigner, err := NewSigner(ctx, test.keyProto)
    76  		switch gotErr := err != nil; {
    77  		case gotErr != test.wantErr:
    78  			t.Errorf("%v: NewSigner() = (_, %q), want err? %v", test.desc, err, test.wantErr)
    79  		case !gotErr && gotSigner != wantSigner:
    80  			t.Errorf("%v: NewSigner() = (%#v, _), want (%#v, _)", test.desc, gotSigner, wantSigner)
    81  		}
    82  
    83  		if test.handler != nil {
    84  			UnregisterHandler(test.keyProto)
    85  		}
    86  	}
    87  }