kubernetes/cmd/kubeadm/app/phases/certs/pkiutil/pki_helpers_test.go

110 lines
2.3 KiB
Go

/*
Copyright 2016 The Kubernetes 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 pkiutil
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"io/ioutil"
"os"
"testing"
certutil "k8s.io/client-go/util/cert"
)
func TestNewCertificateAuthority(t *testing.T) {
cert, key, err := NewCertificateAuthority()
if cert == nil {
t.Errorf(
"failed NewCertificateAuthority, cert == nil",
)
}
if key == nil {
t.Errorf(
"failed NewCertificateAuthority, key == nil",
)
}
if err != nil {
t.Errorf(
"failed NewCertificateAuthority with an error: %v",
err,
)
}
}
func TestNewCertAndKey(t *testing.T) {
var tests = []struct {
caKeySize int
expected bool
}{
{
// RSA key too small
caKeySize: 128,
expected: false,
},
{
// Should succeed
caKeySize: 2048,
expected: true,
},
}
for _, rt := range tests {
caKey, err := rsa.GenerateKey(rand.Reader, rt.caKeySize)
if err != nil {
t.Fatalf("Couldn't create rsa Private Key")
}
caCert := &x509.Certificate{}
config := certutil.Config{
CommonName: "test",
Organization: []string{"test"},
Usages: []x509.ExtKeyUsage{x509.ExtKeyUsageClientAuth},
}
_, _, actual := NewCertAndKey(caCert, caKey, config)
if (actual == nil) != rt.expected {
t.Errorf(
"failed NewCertAndKey:\n\texpected: %t\n\t actual: %t",
rt.expected,
(actual == nil),
)
}
}
}
func TestWriteCertAndKey(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "")
if err != nil {
t.Fatalf("Couldn't create tmpdir")
}
defer os.Remove(tmpdir)
caKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
t.Fatalf("Couldn't create rsa Private Key")
}
caCert := &x509.Certificate{}
actual := WriteCertAndKey(tmpdir, "foo", caCert, caKey)
if actual != nil {
t.Errorf(
"failed WriteCertAndKey with an error: %v",
actual,
)
}
}