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smallstep-certificates/kms/cloudkms/cloudkms_test.go
Herman Slatman e7a988b2cd
Pin golangci-lint to v1.43.0 and fix issues
2021-11-13 01:30:03 +01:00

465 lines
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package cloudkms
import (
"context"
"crypto"
"fmt"
"os"
"reflect"
"testing"
gax "github.com/googleapis/gax-go/v2"
"github.com/smallstep/certificates/kms/apiv1"
"go.step.sm/crypto/pemutil"
"google.golang.org/api/option"
kmspb "google.golang.org/genproto/googleapis/cloud/kms/v1"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func TestParent(t *testing.T) {
type args struct {
name string
}
tests := []struct {
name string
args args
want string
want1 string
}{
{"zero", args{"child"}, "", "child"},
{"one", args{"parent/child"}, "", "child"},
{"two", args{"grandparent/parent/child"}, "grandparent", "child"},
{"three", args{"great-grandparent/grandparent/parent/child"}, "great-grandparent/grandparent", "child"},
{"empty", args{""}, "", ""},
{"root", args{"/"}, "", ""},
{"child", args{"/child"}, "", "child"},
{"parent", args{"parent/"}, "", ""},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, got1 := Parent(tt.args.name)
if got != tt.want {
t.Errorf("Parent() got = %v, want %v", got, tt.want)
}
if got1 != tt.want1 {
t.Errorf("Parent() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func TestNew(t *testing.T) {
tmp := newKeyManagementClient
t.Cleanup(func() {
newKeyManagementClient = tmp
})
newKeyManagementClient = func(ctx context.Context, opts ...option.ClientOption) (KeyManagementClient, error) {
if len(opts) > 0 {
return nil, fmt.Errorf("test error")
}
return &MockClient{}, nil
}
type args struct {
ctx context.Context
opts apiv1.Options
}
tests := []struct {
name string
args args
want *CloudKMS
wantErr bool
}{
{"ok", args{context.Background(), apiv1.Options{}}, &CloudKMS{client: &MockClient{}}, false},
{"ok with uri", args{context.Background(), apiv1.Options{URI: "cloudkms:"}}, &CloudKMS{client: &MockClient{}}, false},
{"fail credentials", args{context.Background(), apiv1.Options{CredentialsFile: "testdata/missing"}}, nil, true},
{"fail with uri", args{context.Background(), apiv1.Options{URI: "cloudkms:credentials-file=testdata/missing"}}, nil, true},
{"fail schema", args{context.Background(), apiv1.Options{URI: "pkcs11:"}}, nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := New(tt.args.ctx, tt.args.opts)
if (err != nil) != tt.wantErr {
t.Errorf("New() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("New() = %v, want %v", got, tt.want)
}
})
}
}
func TestNew_real(t *testing.T) {
type args struct {
ctx context.Context
opts apiv1.Options
}
tests := []struct {
name string
args args
want *CloudKMS
wantErr bool
}{
{"fail credentials", args{context.Background(), apiv1.Options{CredentialsFile: "testdata/missing"}}, nil, true},
{"fail with uri", args{context.Background(), apiv1.Options{URI: "cloudkms:credentials-file=testdata/missing"}}, nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := New(tt.args.ctx, tt.args.opts)
if (err != nil) != tt.wantErr {
t.Errorf("New() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("New() = %v, want %v", got, tt.want)
}
})
}
}
func TestNewCloudKMS(t *testing.T) {
type args struct {
client KeyManagementClient
}
tests := []struct {
name string
args args
want *CloudKMS
}{
{"ok", args{&MockClient{}}, &CloudKMS{&MockClient{}}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewCloudKMS(tt.args.client); !reflect.DeepEqual(got, tt.want) {
t.Errorf("NewCloudKMS() = %v, want %v", got, tt.want)
}
})
}
}
func TestCloudKMS_Close(t *testing.T) {
type fields struct {
client KeyManagementClient
}
tests := []struct {
name string
fields fields
wantErr bool
}{
{"ok", fields{&MockClient{close: func() error { return nil }}}, false},
{"fail", fields{&MockClient{close: func() error { return fmt.Errorf("an error") }}}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
k := &CloudKMS{
client: tt.fields.client,
}
if err := k.Close(); (err != nil) != tt.wantErr {
t.Errorf("CloudKMS.Close() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func TestCloudKMS_CreateSigner(t *testing.T) {
keyName := "projects/p/locations/l/keyRings/k/cryptoKeys/c/cryptoKeyVersions/1"
pemBytes, err := os.ReadFile("testdata/pub.pem")
if err != nil {
t.Fatal(err)
}
pk, err := pemutil.ParseKey(pemBytes)
if err != nil {
t.Fatal(err)
}
type fields struct {
client KeyManagementClient
}
type args struct {
req *apiv1.CreateSignerRequest
}
tests := []struct {
name string
fields fields
args args
want crypto.Signer
wantErr bool
}{
{"ok", fields{&MockClient{
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
},
}}, args{&apiv1.CreateSignerRequest{SigningKey: keyName}}, &Signer{client: &MockClient{}, signingKey: keyName, publicKey: pk}, false},
{"fail", fields{&MockClient{
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return nil, fmt.Errorf("test error")
},
}}, args{&apiv1.CreateSignerRequest{SigningKey: ""}}, nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
k := &CloudKMS{
client: tt.fields.client,
}
got, err := k.CreateSigner(tt.args.req)
if (err != nil) != tt.wantErr {
t.Errorf("CloudKMS.CreateSigner() error = %v, wantErr %v", err, tt.wantErr)
return
}
if signer, ok := got.(*Signer); ok {
signer.client = &MockClient{}
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("CloudKMS.CreateSigner() = %v, want %v", got, tt.want)
}
})
}
}
func TestCloudKMS_CreateKey(t *testing.T) {
keyName := "projects/p/locations/l/keyRings/k/cryptoKeys/c"
testError := fmt.Errorf("an error")
alreadyExists := status.Error(codes.AlreadyExists, "already exists")
pemBytes, err := os.ReadFile("testdata/pub.pem")
if err != nil {
t.Fatal(err)
}
pk, err := pemutil.ParseKey(pemBytes)
if err != nil {
t.Fatal(err)
}
var retries int
type fields struct {
client KeyManagementClient
}
type args struct {
req *apiv1.CreateKeyRequest
}
tests := []struct {
name string
fields fields
args args
want *apiv1.CreateKeyResponse
wantErr bool
}{
{"ok", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return &kmspb.KeyRing{}, nil
},
createCryptoKey: func(_ context.Context, _ *kmspb.CreateCryptoKeyRequest, _ ...gax.CallOption) (*kmspb.CryptoKey, error) {
return &kmspb.CryptoKey{Name: keyName}, nil
},
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.HSM, SignatureAlgorithm: apiv1.ECDSAWithSHA256}},
&apiv1.CreateKeyResponse{Name: keyName + "/cryptoKeyVersions/1", PublicKey: pk, CreateSignerRequest: apiv1.CreateSignerRequest{SigningKey: keyName + "/cryptoKeyVersions/1"}}, false},
{"ok new key ring", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return nil, testError
},
createKeyRing: func(_ context.Context, _ *kmspb.CreateKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return nil, alreadyExists
},
createCryptoKey: func(_ context.Context, _ *kmspb.CreateCryptoKeyRequest, _ ...gax.CallOption) (*kmspb.CryptoKey, error) {
return &kmspb.CryptoKey{Name: keyName}, nil
},
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.Software, SignatureAlgorithm: apiv1.SHA256WithRSA, Bits: 3072}},
&apiv1.CreateKeyResponse{Name: keyName + "/cryptoKeyVersions/1", PublicKey: pk, CreateSignerRequest: apiv1.CreateSignerRequest{SigningKey: keyName + "/cryptoKeyVersions/1"}}, false},
{"ok new key version", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return &kmspb.KeyRing{}, nil
},
createCryptoKey: func(_ context.Context, _ *kmspb.CreateCryptoKeyRequest, _ ...gax.CallOption) (*kmspb.CryptoKey, error) {
return nil, alreadyExists
},
createCryptoKeyVersion: func(_ context.Context, _ *kmspb.CreateCryptoKeyVersionRequest, _ ...gax.CallOption) (*kmspb.CryptoKeyVersion, error) {
return &kmspb.CryptoKeyVersion{Name: keyName + "/cryptoKeyVersions/2"}, nil
},
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.HSM, SignatureAlgorithm: apiv1.ECDSAWithSHA256}},
&apiv1.CreateKeyResponse{Name: keyName + "/cryptoKeyVersions/2", PublicKey: pk, CreateSignerRequest: apiv1.CreateSignerRequest{SigningKey: keyName + "/cryptoKeyVersions/2"}}, false},
{"ok with retries", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return &kmspb.KeyRing{}, nil
},
createCryptoKey: func(_ context.Context, _ *kmspb.CreateCryptoKeyRequest, _ ...gax.CallOption) (*kmspb.CryptoKey, error) {
return &kmspb.CryptoKey{Name: keyName}, nil
},
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
if retries != 2 {
retries++
return nil, status.Error(codes.FailedPrecondition, "key is not enabled, current state is: PENDING_GENERATION")
}
return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.HSM, SignatureAlgorithm: apiv1.ECDSAWithSHA256}},
&apiv1.CreateKeyResponse{Name: keyName + "/cryptoKeyVersions/1", PublicKey: pk, CreateSignerRequest: apiv1.CreateSignerRequest{SigningKey: keyName + "/cryptoKeyVersions/1"}}, false},
{"fail name", fields{&MockClient{}}, args{&apiv1.CreateKeyRequest{}}, nil, true},
{"fail protection level", fields{&MockClient{}}, args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.ProtectionLevel(100)}}, nil, true},
{"fail signature algorithm", fields{&MockClient{}}, args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.Software, SignatureAlgorithm: apiv1.SignatureAlgorithm(100)}}, nil, true},
{"fail number of bits", fields{&MockClient{}}, args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.Software, SignatureAlgorithm: apiv1.SHA256WithRSA, Bits: 1024}},
nil, true},
{"fail create key ring", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return nil, testError
},
createKeyRing: func(_ context.Context, _ *kmspb.CreateKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return nil, testError
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.HSM, SignatureAlgorithm: apiv1.ECDSAWithSHA256}},
nil, true},
{"fail create key", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return &kmspb.KeyRing{}, nil
},
createCryptoKey: func(_ context.Context, _ *kmspb.CreateCryptoKeyRequest, _ ...gax.CallOption) (*kmspb.CryptoKey, error) {
return nil, testError
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.HSM, SignatureAlgorithm: apiv1.ECDSAWithSHA256}},
nil, true},
{"fail create key version", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return &kmspb.KeyRing{}, nil
},
createCryptoKey: func(_ context.Context, _ *kmspb.CreateCryptoKeyRequest, _ ...gax.CallOption) (*kmspb.CryptoKey, error) {
return nil, alreadyExists
},
createCryptoKeyVersion: func(_ context.Context, _ *kmspb.CreateCryptoKeyVersionRequest, _ ...gax.CallOption) (*kmspb.CryptoKeyVersion, error) {
return nil, testError
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.HSM, SignatureAlgorithm: apiv1.ECDSAWithSHA256}},
nil, true},
{"fail get public key", fields{
&MockClient{
getKeyRing: func(_ context.Context, _ *kmspb.GetKeyRingRequest, _ ...gax.CallOption) (*kmspb.KeyRing, error) {
return &kmspb.KeyRing{}, nil
},
createCryptoKey: func(_ context.Context, _ *kmspb.CreateCryptoKeyRequest, _ ...gax.CallOption) (*kmspb.CryptoKey, error) {
return &kmspb.CryptoKey{Name: keyName}, nil
},
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return nil, testError
},
}},
args{&apiv1.CreateKeyRequest{Name: keyName, ProtectionLevel: apiv1.HSM, SignatureAlgorithm: apiv1.ECDSAWithSHA256}},
nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
k := &CloudKMS{
client: tt.fields.client,
}
got, err := k.CreateKey(tt.args.req)
if (err != nil) != tt.wantErr {
t.Errorf("CloudKMS.CreateKey() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("CloudKMS.CreateKey() = %v, want %v", got, tt.want)
}
})
}
}
func TestCloudKMS_GetPublicKey(t *testing.T) {
keyName := "projects/p/locations/l/keyRings/k/cryptoKeys/c/cryptoKeyVersions/1"
testError := fmt.Errorf("an error")
pemBytes, err := os.ReadFile("testdata/pub.pem")
if err != nil {
t.Fatal(err)
}
pk, err := pemutil.ParseKey(pemBytes)
if err != nil {
t.Fatal(err)
}
var retries int
type fields struct {
client KeyManagementClient
}
type args struct {
req *apiv1.GetPublicKeyRequest
}
tests := []struct {
name string
fields fields
args args
want crypto.PublicKey
wantErr bool
}{
{"ok", fields{
&MockClient{
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
},
}},
args{&apiv1.GetPublicKeyRequest{Name: keyName}}, pk, false},
{"ok with retries", fields{
&MockClient{
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
if retries != 2 {
retries++
return nil, status.Error(codes.FailedPrecondition, "key is not enabled, current state is: PENDING_GENERATION")
}
return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
},
}},
args{&apiv1.GetPublicKeyRequest{Name: keyName}}, pk, false},
{"fail name", fields{&MockClient{}}, args{&apiv1.GetPublicKeyRequest{}}, nil, true},
{"fail get public key", fields{
&MockClient{
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return nil, testError
},
}},
args{&apiv1.GetPublicKeyRequest{Name: keyName}}, nil, true},
{"fail parse pem", fields{
&MockClient{
getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
return &kmspb.PublicKey{Pem: string("bad pem")}, nil
},
}},
args{&apiv1.GetPublicKeyRequest{Name: keyName}}, nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
k := &CloudKMS{
client: tt.fields.client,
}
got, err := k.GetPublicKey(tt.args.req)
if (err != nil) != tt.wantErr {
t.Errorf("CloudKMS.GetPublicKey() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("CloudKMS.GetPublicKey() = %v, want %v", got, tt.want)
}
})
}
}
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