open-nomad/helper/tlsutil/config_test.go
2018-06-13 09:58:40 -04:00

872 lines
21 KiB
Go

package tlsutil
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io"
"io/ioutil"
"net"
"os"
"strings"
"testing"
"github.com/hashicorp/nomad/nomad/structs/config"
"github.com/hashicorp/yamux"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const (
// See README.md for documentation
cacert = "./testdata/ca.pem"
foocert = "./testdata/nomad-foo.pem"
fookey = "./testdata/nomad-foo-key.pem"
badcert = "./testdata/nomad-bad.pem"
badkey = "./testdata/nomad-bad-key.pem"
)
func TestConfig_AppendCA_None(t *testing.T) {
require := require.New(t)
conf := &Config{}
pool := x509.NewCertPool()
err := conf.AppendCA(pool)
require.Nil(err)
}
func TestConfig_AppendCA_Valid(t *testing.T) {
require := require.New(t)
conf := &Config{
CAFile: cacert,
}
pool := x509.NewCertPool()
err := conf.AppendCA(pool)
require.Nil(err)
}
func TestConfig_AppendCA_Valid_MultipleCerts(t *testing.T) {
require := require.New(t)
tmpCAFile, err := ioutil.TempFile("/tmp", "test_ca_file")
require.Nil(err)
defer os.Remove(tmpCAFile.Name())
certs := `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`
_, err = tmpCAFile.Write([]byte(certs))
require.Nil(err)
conf := &Config{
CAFile: tmpCAFile.Name(),
}
pool := x509.NewCertPool()
err = conf.AppendCA(pool)
require.Nil(err)
}
func TestConfig_AppendCA_InValid_MultipleCerts(t *testing.T) {
require := require.New(t)
tmpCAFile, err := ioutil.TempFile("/tmp", "test_ca_file")
require.Nil(err)
defer os.Remove(tmpCAFile.Name())
certs := `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
Invalid
-----END CERTIFICATE-----`
_, err = tmpCAFile.Write([]byte(certs))
require.Nil(err)
conf := &Config{
CAFile: tmpCAFile.Name(),
}
pool := x509.NewCertPool()
err = conf.AppendCA(pool)
require.NotNil(err)
}
func TestConfig_AppendCA_Invalid(t *testing.T) {
require := require.New(t)
{
conf := &Config{
CAFile: "invalidFile",
}
pool := x509.NewCertPool()
err := conf.AppendCA(pool)
require.NotNil(err)
require.Contains(err.Error(), "Failed to read CA file")
require.Equal(len(pool.Subjects()), 0)
}
{
tmpFile, err := ioutil.TempFile("/tmp", "test_ca_file")
require.Nil(err)
defer os.Remove(tmpFile.Name())
_, err = tmpFile.Write([]byte("Invalid CA Content!"))
require.Nil(err)
conf := &Config{
CAFile: tmpFile.Name(),
}
pool := x509.NewCertPool()
err = conf.AppendCA(pool)
require.NotNil(err)
require.Contains(err.Error(), "Failed to decode CA file from pem format")
require.Equal(len(pool.Subjects()), 0)
}
}
func TestConfig_CACertificate_Valid(t *testing.T) {
conf := &Config{
CAFile: cacert,
}
pool := x509.NewCertPool()
err := conf.AppendCA(pool)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(pool.Subjects()) == 0 {
t.Fatalf("expected cert")
}
}
func TestConfig_LoadKeyPair_None(t *testing.T) {
conf := &Config{
KeyLoader: &config.KeyLoader{},
}
cert, err := conf.LoadKeyPair()
if err != nil {
t.Fatalf("err: %v", err)
}
if cert != nil {
t.Fatalf("bad: %v", cert)
}
}
func TestConfig_LoadKeyPair_Valid(t *testing.T) {
conf := &Config{
CertFile: foocert,
KeyFile: fookey,
KeyLoader: &config.KeyLoader{},
}
cert, err := conf.LoadKeyPair()
if err != nil {
t.Fatalf("err: %v", err)
}
if cert == nil {
t.Fatalf("expected cert")
}
}
func TestConfig_OutgoingTLS_MissingCA(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
}
tls, err := conf.OutgoingTLSConfig()
if err == nil {
t.Fatalf("expected err")
}
if tls != nil {
t.Fatalf("bad: %v", tls)
}
}
func TestConfig_OutgoingTLS_OnlyCA(t *testing.T) {
conf := &Config{
CAFile: cacert,
}
tls, err := conf.OutgoingTLSConfig()
if err != nil {
t.Fatalf("err: %v", err)
}
if tls != nil {
t.Fatalf("expected no config")
}
}
func TestConfig_OutgoingTLS_VerifyOutgoing(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
CAFile: cacert,
}
tls, err := conf.OutgoingTLSConfig()
if err != nil {
t.Fatalf("err: %v", err)
}
if tls == nil {
t.Fatalf("expected config")
}
if len(tls.RootCAs.Subjects()) != 1 {
t.Fatalf("expect root cert")
}
if !tls.InsecureSkipVerify {
t.Fatalf("should skip built-in verification")
}
}
func TestConfig_OutgoingTLS_VerifyHostname(t *testing.T) {
conf := &Config{
VerifyServerHostname: true,
CAFile: cacert,
}
tls, err := conf.OutgoingTLSConfig()
if err != nil {
t.Fatalf("err: %v", err)
}
if tls == nil {
t.Fatalf("expected config")
}
if len(tls.RootCAs.Subjects()) != 1 {
t.Fatalf("expect root cert")
}
if tls.InsecureSkipVerify {
t.Fatalf("should not skip built-in verification")
}
}
func TestConfig_OutgoingTLS_WithKeyPair(t *testing.T) {
assert := assert.New(t)
conf := &Config{
VerifyOutgoing: true,
CAFile: cacert,
CertFile: foocert,
KeyFile: fookey,
KeyLoader: &config.KeyLoader{},
}
tlsConf, err := conf.OutgoingTLSConfig()
assert.Nil(err)
assert.NotNil(tlsConf)
assert.Equal(len(tlsConf.RootCAs.Subjects()), 1)
assert.True(tlsConf.InsecureSkipVerify)
clientHelloInfo := &tls.ClientHelloInfo{}
cert, err := tlsConf.GetCertificate(clientHelloInfo)
assert.Nil(err)
assert.NotNil(cert)
}
func TestConfig_OutgoingTLS_PreferServerCipherSuites(t *testing.T) {
require := require.New(t)
{
conf := &Config{
VerifyOutgoing: true,
CAFile: cacert,
}
tlsConfig, err := conf.OutgoingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.PreferServerCipherSuites, false)
}
{
conf := &Config{
VerifyOutgoing: true,
CAFile: cacert,
PreferServerCipherSuites: true,
}
tlsConfig, err := conf.OutgoingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.PreferServerCipherSuites, true)
}
}
func TestConfig_OutgoingTLS_TLSCipherSuites(t *testing.T) {
require := require.New(t)
{
defaultCiphers := []uint16{
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
}
conf := &Config{
VerifyOutgoing: true,
CAFile: cacert,
CipherSuites: defaultCiphers,
}
tlsConfig, err := conf.OutgoingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.CipherSuites, defaultCiphers)
}
{
conf := &Config{
VerifyOutgoing: true,
CAFile: cacert,
CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305},
}
tlsConfig, err := conf.OutgoingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.CipherSuites, []uint16{tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305})
}
}
func startTLSServer(config *Config) (net.Conn, chan error) {
errc := make(chan error, 1)
tlsConfigServer, err := config.IncomingTLSConfig()
if err != nil {
errc <- err
return nil, errc
}
client, server := net.Pipe()
// Use yamux to buffer the reads, otherwise it's easy to deadlock
muxConf := yamux.DefaultConfig()
serverSession, _ := yamux.Server(server, muxConf)
clientSession, _ := yamux.Client(client, muxConf)
clientConn, _ := clientSession.Open()
serverConn, _ := serverSession.Accept()
go func() {
tlsServer := tls.Server(serverConn, tlsConfigServer)
if err := tlsServer.Handshake(); err != nil {
errc <- err
}
close(errc)
// Because net.Pipe() is unbuffered, if both sides
// Close() simultaneously, we will deadlock as they
// both send an alert and then block. So we make the
// server read any data from the client until error or
// EOF, which will allow the client to Close(), and
// *then* we Close() the server.
io.Copy(ioutil.Discard, tlsServer)
tlsServer.Close()
}()
return clientConn, errc
}
// TODO sign the certificates for "server.regionFoo.nomad
func TestConfig_outgoingWrapper_OK(t *testing.T) {
config := &Config{
CAFile: cacert,
CertFile: foocert,
KeyFile: fookey,
VerifyServerHostname: true,
VerifyOutgoing: true,
KeyLoader: &config.KeyLoader{},
}
client, errc := startTLSServer(config)
if client == nil {
t.Fatalf("startTLSServer err: %v", <-errc)
}
wrap, err := config.OutgoingTLSWrapper()
if err != nil {
t.Fatalf("OutgoingTLSWrapper err: %v", err)
}
tlsClient, err := wrap("regionFoo", client)
if err != nil {
t.Fatalf("wrapTLS err: %v", err)
}
defer tlsClient.Close()
if err := tlsClient.(*tls.Conn).Handshake(); err != nil {
t.Fatalf("write err: %v", err)
}
err = <-errc
if err != nil {
t.Fatalf("server: %v", err)
}
}
func TestConfig_outgoingWrapper_BadCert(t *testing.T) {
// TODO this test is currently hanging, need to investigate more.
t.SkipNow()
config := &Config{
CAFile: cacert,
CertFile: foocert,
KeyFile: fookey,
VerifyServerHostname: true,
VerifyOutgoing: true,
}
client, errc := startTLSServer(config)
if client == nil {
t.Fatalf("startTLSServer err: %v", <-errc)
}
wrap, err := config.OutgoingTLSWrapper()
if err != nil {
t.Fatalf("OutgoingTLSWrapper err: %v", err)
}
tlsClient, err := wrap("regionFoo", client)
if err != nil {
t.Fatalf("wrapTLS err: %v", err)
}
defer tlsClient.Close()
err = tlsClient.(*tls.Conn).Handshake()
if _, ok := err.(x509.HostnameError); !ok {
t.Fatalf("should get hostname err: %v", err)
}
<-errc
}
func TestConfig_wrapTLS_OK(t *testing.T) {
config := &Config{
CAFile: cacert,
CertFile: foocert,
KeyFile: fookey,
VerifyOutgoing: true,
KeyLoader: &config.KeyLoader{},
}
client, errc := startTLSServer(config)
if client == nil {
t.Fatalf("startTLSServer err: %v", <-errc)
}
clientConfig, err := config.OutgoingTLSConfig()
if err != nil {
t.Fatalf("OutgoingTLSConfig err: %v", err)
}
tlsClient, err := WrapTLSClient(client, clientConfig)
if err != nil {
t.Fatalf("wrapTLS err: %v", err)
} else {
tlsClient.Close()
}
err = <-errc
if err != nil {
t.Fatalf("server: %v", err)
}
}
func TestConfig_wrapTLS_BadCert(t *testing.T) {
serverConfig := &Config{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
KeyLoader: &config.KeyLoader{},
}
client, errc := startTLSServer(serverConfig)
if client == nil {
t.Fatalf("startTLSServer err: %v", <-errc)
}
clientConfig := &Config{
CAFile: cacert,
VerifyOutgoing: true,
}
clientTLSConfig, err := clientConfig.OutgoingTLSConfig()
if err != nil {
t.Fatalf("OutgoingTLSConfig err: %v", err)
}
tlsClient, err := WrapTLSClient(client, clientTLSConfig)
if err == nil {
t.Fatalf("wrapTLS no err")
}
if tlsClient != nil {
t.Fatalf("returned a client")
}
err = <-errc
if err != nil {
t.Fatalf("server: %v", err)
}
}
func TestConfig_IncomingTLS(t *testing.T) {
assert := assert.New(t)
conf := &Config{
VerifyIncoming: true,
CAFile: cacert,
CertFile: foocert,
KeyFile: fookey,
KeyLoader: &config.KeyLoader{},
}
tlsC, err := conf.IncomingTLSConfig()
if err != nil {
t.Fatalf("err: %v", err)
}
if tlsC == nil {
t.Fatalf("expected config")
}
if len(tlsC.ClientCAs.Subjects()) != 1 {
t.Fatalf("expect client cert")
}
if tlsC.ClientAuth != tls.RequireAndVerifyClientCert {
t.Fatalf("should not skip verification")
}
clientHelloInfo := &tls.ClientHelloInfo{}
cert, err := tlsC.GetCertificate(clientHelloInfo)
assert.Nil(err)
assert.NotNil(cert)
}
func TestConfig_IncomingTLS_MissingCA(t *testing.T) {
conf := &Config{
VerifyIncoming: true,
CertFile: foocert,
KeyFile: fookey,
KeyLoader: &config.KeyLoader{},
}
_, err := conf.IncomingTLSConfig()
if err == nil {
t.Fatalf("expected err")
}
}
func TestConfig_IncomingTLS_MissingKey(t *testing.T) {
conf := &Config{
VerifyIncoming: true,
CAFile: cacert,
}
_, err := conf.IncomingTLSConfig()
if err == nil {
t.Fatalf("expected err")
}
}
func TestConfig_IncomingTLS_NoVerify(t *testing.T) {
conf := &Config{}
tlsC, err := conf.IncomingTLSConfig()
if err != nil {
t.Fatalf("err: %v", err)
}
if tlsC == nil {
t.Fatalf("expected config")
}
if len(tlsC.ClientCAs.Subjects()) != 0 {
t.Fatalf("do not expect client cert")
}
if tlsC.ClientAuth != tls.NoClientCert {
t.Fatalf("should skip verification")
}
if len(tlsC.Certificates) != 0 {
t.Fatalf("unexpected client cert")
}
}
func TestConfig_IncomingTLS_PreferServerCipherSuites(t *testing.T) {
require := require.New(t)
{
conf := &Config{}
tlsConfig, err := conf.IncomingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.PreferServerCipherSuites, false)
}
{
conf := &Config{
PreferServerCipherSuites: true,
}
tlsConfig, err := conf.IncomingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.PreferServerCipherSuites, true)
}
}
func TestConfig_IncomingTLS_TLSCipherSuites(t *testing.T) {
require := require.New(t)
{
defaultCiphers := []uint16{
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
}
conf := &Config{
CipherSuites: defaultCiphers,
}
tlsConfig, err := conf.IncomingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.CipherSuites, defaultCiphers)
}
{
conf := &Config{
CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305},
}
tlsConfig, err := conf.IncomingTLSConfig()
require.Nil(err)
require.Equal(tlsConfig.CipherSuites, []uint16{tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305})
}
}
func TestConfig_ParseCiphers_Valid(t *testing.T) {
require := require.New(t)
validCiphers := strings.Join([]string{
"TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305",
"TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305",
"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
"TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
"TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384",
"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256",
"TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA",
"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
"TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
"TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
"TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
"TLS_RSA_WITH_AES_128_GCM_SHA256",
"TLS_RSA_WITH_AES_256_GCM_SHA384",
"TLS_RSA_WITH_AES_128_CBC_SHA256",
"TLS_RSA_WITH_AES_128_CBC_SHA",
"TLS_RSA_WITH_AES_256_CBC_SHA",
}, ",")
expectedCiphers := []uint16{
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
tls.TLS_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_RSA_WITH_AES_256_CBC_SHA,
}
parsedCiphers, err := ParseCiphers(validCiphers)
require.Nil(err)
require.Equal(parsedCiphers, expectedCiphers)
}
func TestConfig_ParseCiphers_Default(t *testing.T) {
require := require.New(t)
expectedCiphers := []uint16{
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
}
parsedCiphers, err := ParseCiphers("")
require.Nil(err)
require.Equal(parsedCiphers, expectedCiphers)
}
func TestConfig_ParseCiphers_Invalid(t *testing.T) {
require := require.New(t)
invalidCiphers := []string{
"TLS_RSA_RSA_WITH_RC4_128_SHA",
"INVALID_CIPHER",
}
for _, cipher := range invalidCiphers {
parsedCiphers, err := ParseCiphers(cipher)
require.NotNil(err)
require.Equal(fmt.Sprintf("unsupported TLS cipher %q", cipher), err.Error())
require.Equal(0, len(parsedCiphers))
}
}
func TestConfig_ParseMinVersion_Valid(t *testing.T) {
require := require.New(t)
validVersions := []string{"tls10",
"tls11",
"tls12",
}
expected := map[string]uint16{
"tls10": tls.VersionTLS10,
"tls11": tls.VersionTLS11,
"tls12": tls.VersionTLS12,
}
for _, version := range validVersions {
parsedVersion, err := ParseMinVersion(version)
require.Nil(err)
require.Equal(expected[version], parsedVersion)
}
}
func TestConfig_ParseMinVersion_Invalid(t *testing.T) {
require := require.New(t)
invalidVersions := []string{"tls13",
"tls15",
}
for _, version := range invalidVersions {
parsedVersion, err := ParseMinVersion(version)
require.NotNil(err)
require.Equal(fmt.Sprintf("unsupported TLS version %q", version), err.Error())
require.Equal(uint16(0), parsedVersion)
}
}
func TestConfig_NewTLSConfiguration(t *testing.T) {
require := require.New(t)
conf := &config.TLSConfig{
TLSCipherSuites: "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256",
}
tlsConf, err := NewTLSConfiguration(conf, true, true)
require.Nil(err)
require.True(tlsConf.VerifyIncoming)
require.True(tlsConf.VerifyOutgoing)
expectedCiphers := []uint16{
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
}
require.Equal(tlsConf.CipherSuites, expectedCiphers)
}
func TestConfig_ShouldReloadRPCConnections(t *testing.T) {
require := require.New(t)
type shouldReloadTestInput struct {
old *config.TLSConfig
new *config.TLSConfig
shouldReload bool
errorStr string
}
testInput := []*shouldReloadTestInput{
{
old: &config.TLSConfig{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
},
new: &config.TLSConfig{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
},
shouldReload: false,
errorStr: "Same TLS Configuration should not reload",
},
{
old: &config.TLSConfig{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
},
new: &config.TLSConfig{
CAFile: cacert,
CertFile: foocert,
KeyFile: fookey,
},
shouldReload: true,
errorStr: "Different TLS Configuration should reload",
},
{
old: &config.TLSConfig{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
EnableRPC: true,
},
new: &config.TLSConfig{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
EnableRPC: false,
},
shouldReload: true,
errorStr: "Downgrading RPC connections should force reload",
},
{
old: nil,
new: &config.TLSConfig{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
EnableRPC: true,
},
shouldReload: true,
errorStr: "Upgrading RPC connections should force reload",
},
{
old: &config.TLSConfig{
CAFile: cacert,
CertFile: badcert,
KeyFile: badkey,
EnableRPC: true,
},
new: nil,
shouldReload: true,
errorStr: "Downgrading RPC connections should force reload",
},
}
for _, testCase := range testInput {
shouldReload, err := ShouldReloadRPCConnections(testCase.old, testCase.new)
require.NoError(err)
require.Equal(shouldReload, testCase.shouldReload, testCase.errorStr)
}
}