1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
//
// Copyright 2025 The Sigstore Authors.
//
// 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 kms implements the interface to access various ksm services
package kms
import (
"context"
"crypto"
"errors"
"os/exec"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/sigstore/sigstore/pkg/signature"
"github.com/sigstore/sigstore/pkg/signature/kms/cliplugin"
)
// TestGet ensures that there is are load attempts on registered providers, including the CLIPlugin,
// and it returns the correct errors.
func TestGet(t *testing.T) {
t.Parallel()
testHashFunc := crypto.SHA256
testCtx := context.Background()
var providerNotFoundError *ProviderNotFoundError
t.Run("cliplugin", func(t *testing.T) {
t.Parallel()
testKey := "gundam://00"
// we only check for errors because we can't assume that there exists on the system
// a program prefixed with "sigstore-kms-".
_, err := Get(testCtx, testKey, testHashFunc)
if !errors.As(err, &providerNotFoundError) {
t.Errorf("wanted ProviderNotFoundError, got: %v", err)
}
// exec.ErrNotFound is returned by cliplugin.LoadSignerVerifier().
if !errors.Is(err, exec.ErrNotFound) {
t.Errorf("wanted exec.ErrNotFound, got: %v", err)
}
})
t.Run("registered provider error", func(t *testing.T) {
t.Parallel()
testKeySchma := "myhero://"
testKeyResourceID := testKeySchma + "deku"
ErrorAssumingAllMight := errors.New("error assuming all might")
// this init function only returns an error
AddProvider("myhero://", func(_ context.Context, _ string, _ crypto.Hash, _ ...signature.RPCOption) (SignerVerifier, error) {
return nil, ErrorAssumingAllMight
})
_, err := Get(testCtx, testKeyResourceID, testHashFunc)
if diff := cmp.Diff(ErrorAssumingAllMight, err, cmpopts.EquateErrors()); diff != "" {
t.Errorf("unexpected error (-want +got):\n%s", diff)
}
})
t.Run("file path", func(t *testing.T) {
t.Parallel()
testKeyResourceID := "/this/is/the/way"
_, err := Get(testCtx, testKeyResourceID, testHashFunc)
if !errors.As(err, &providerNotFoundError) {
t.Errorf("wanted ProviderNotFoundError, got: %v", err)
}
if !errors.Is(err, cliplugin.ErrorInputKeyResourceID) {
t.Errorf("wanted cliplugin.ErrorInputKeyResourceID, got: %v", err)
}
})
t.Run("successful provider", func(t *testing.T) {
t.Parallel()
testKeySchma := "sac://"
testKeyResourceID := testKeySchma + "2nd"
testSignerVerifier := struct {
SignerVerifier
}{}
var wantedErr error
AddProvider(testKeySchma, func(_ context.Context, _ string, _ crypto.Hash, _ ...signature.RPCOption) (SignerVerifier, error) {
return testSignerVerifier, nil
})
signerVerifier, err := Get(testCtx, testKeyResourceID, testHashFunc)
if diff := cmp.Diff(wantedErr, err, cmpopts.EquateErrors()); diff != "" {
t.Errorf("unexpected error (-want +got):\n%s", diff)
}
if diff := cmp.Diff(testSignerVerifier, signerVerifier); diff != "" {
t.Errorf("unexpected signer verifier (-want +got):\n%s", diff)
}
})
}
|
