policies_test.go

Documentation: k8s.io/kubernetes/pkg/controller/certificates/authority

     1  /*
     2  Copyright 2019 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package authority
    18  
    19  import (
    20  	"crypto/x509"
    21  	"fmt"
    22  	"reflect"
    23  	"testing"
    24  
    25  	capi "k8s.io/api/certificates/v1"
    26  )
    27  
    28  func TestKeyUsagesFromStrings(t *testing.T) {
    29  	testcases := []struct {
    30  		usages              []capi.KeyUsage
    31  		expectedKeyUsage    x509.KeyUsage
    32  		expectedExtKeyUsage []x509.ExtKeyUsage
    33  		expectErr           bool
    34  	}{
    35  		{
    36  			usages:              []capi.KeyUsage{"signing"},
    37  			expectedKeyUsage:    x509.KeyUsageDigitalSignature,
    38  			expectedExtKeyUsage: nil,
    39  			expectErr:           false,
    40  		},
    41  		{
    42  			usages:              []capi.KeyUsage{"client auth"},
    43  			expectedKeyUsage:    0,
    44  			expectedExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
    45  			expectErr:           false,
    46  		},
    47  		{
    48  			usages:              []capi.KeyUsage{"client auth", "client auth"},
    49  			expectedKeyUsage:    0,
    50  			expectedExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
    51  			expectErr:           false,
    52  		},
    53  		{
    54  			usages:              []capi.KeyUsage{"cert sign", "encipher only"},
    55  			expectedKeyUsage:    x509.KeyUsageCertSign | x509.KeyUsageEncipherOnly,
    56  			expectedExtKeyUsage: nil,
    57  			expectErr:           false,
    58  		},
    59  		{
    60  			usages:              []capi.KeyUsage{"ocsp signing", "crl sign", "s/mime", "content commitment"},
    61  			expectedKeyUsage:    x509.KeyUsageCRLSign | x509.KeyUsageContentCommitment,
    62  			expectedExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageEmailProtection, x509.ExtKeyUsageOCSPSigning},
    63  			expectErr:           false,
    64  		},
    65  		{
    66  			usages:              []capi.KeyUsage{"unsupported string"},
    67  			expectedKeyUsage:    0,
    68  			expectedExtKeyUsage: nil,
    69  			expectErr:           true,
    70  		},
    71  	}
    72  
    73  	for _, tc := range testcases {
    74  		t.Run(fmt.Sprint(tc.usages), func(t *testing.T) {
    75  			ku, eku, err := keyUsagesFromStrings(tc.usages)
    76  
    77  			if tc.expectErr {
    78  				if err == nil {
    79  					t.Errorf("did not return an error, but expected one")
    80  				}
    81  				return
    82  			}
    83  
    84  			if err != nil {
    85  				t.Errorf("unexpected error: %v", err)
    86  			}
    87  
    88  			if ku != tc.expectedKeyUsage || !reflect.DeepEqual(eku, tc.expectedExtKeyUsage) {
    89  				t.Errorf("got=(%v, %v), want=(%v, %v)", ku, eku, tc.expectedKeyUsage, tc.expectedExtKeyUsage)
    90  			}
    91  		})
    92  	}
    93  }
    94
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