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|
package services
import (
"context"
"crypto/tls"
"errors"
"testing"
"github.com/ansible/receptor/pkg/logger"
"github.com/ansible/receptor/pkg/netceptor"
"github.com/ansible/receptor/pkg/services/mock_services"
"go.uber.org/mock/gomock"
)
func setUpTCPMocks(ctrl *gomock.Controller) (*mock_services.MockNetcForTCPProxy, *mock_services.MockNetLib, *mock_services.MockTLSLib, *mock_services.MockNetListenerTCP, *mock_services.MockUtilsLib, *mock_services.MockTCPConn) {
mockNetceptor := mock_services.NewMockNetcForTCPProxy(ctrl)
mockNetLib := mock_services.NewMockNetLib(ctrl)
mockTLSLib := mock_services.NewMockTLSLib(ctrl)
mockNetListener := mock_services.NewMockNetListenerTCP(ctrl)
mockUtilsLib := mock_services.NewMockUtilsLib(ctrl)
mockTCPConn := mock_services.NewMockTCPConn(ctrl)
logger := logger.NewReceptorLogger("")
mockNetceptor.EXPECT().GetLogger().AnyTimes().Return(logger)
return mockNetceptor, mockNetLib, mockTLSLib, mockNetListener, mockUtilsLib, mockTCPConn
}
func TestTCPProxyServiceInbound(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
var mockNetceptor *mock_services.MockNetcForTCPProxy
var mockNetLib *mock_services.MockNetLib
var mockTLSLib *mock_services.MockTLSLib
var mockNetListener *mock_services.MockNetListenerTCP
var mockUtilsLib *mock_services.MockUtilsLib
var mockTCPConn *mock_services.MockTCPConn
type testCoverageItem struct {
name string
host string
port int
expectError bool
expectedErrorMessage string
node string
service string
tlsServerConfig *tls.Config
tlsClientConfig *tls.Config
calls func()
}
testCases := []testCoverageItem{
{
name: "Fail to listen to input connections",
expectError: true,
tlsServerConfig: &tls.Config{},
expectedErrorMessage: "error listening on TCP: failed to stablish a connection",
calls: func() {
mockNetLib.EXPECT().Listen(gomock.Any(), gomock.Any()).Return(nil, errors.New("failed to stablish a connection")).Times(1)
mockTLSLib.EXPECT().NewListener(gomock.Any(), gomock.Any()).Return(mockNetListener).Times(1)
},
},
{
name: "Fail to listen to input connections with tls config set",
expectError: true,
tlsServerConfig: nil,
expectedErrorMessage: "error listening on TCP: failed to stablish a connection",
calls: func() {
mockNetLib.EXPECT().Listen(gomock.Any(), gomock.Any()).Return(nil, errors.New("failed to stablish a connection")).Times(1)
},
},
{
name: "Fail to accept incoming connections to the listener",
tlsServerConfig: nil,
calls: func() {
mockNetLib.EXPECT().Listen(gomock.Any(), gomock.Any()).Return(mockNetListener, nil).Times(1)
mockNetListener.EXPECT().Accept().Return(nil, errors.New("failed to accept incoming connection")).AnyTimes()
},
},
{
name: "Fail to dial to the receptor network after accepting an inbound connection",
tlsServerConfig: nil,
calls: func() {
gomock.InOrder(
mockNetLib.EXPECT().Listen(gomock.Any(), gomock.Any()).Return(mockNetListener, nil).Times(1),
mockNetListener.EXPECT().Accept().Return(mockTCPConn, nil).AnyTimes(),
mockNetceptor.EXPECT().Dial(gomock.Any(), gomock.Any(), gomock.Any()).Return(nil, errors.New("failed to connect to Receptor network")).AnyTimes(),
mockNetListener.EXPECT().Accept().Return(nil, errors.New("failed to accept a new connection")).AnyTimes(),
)
},
},
{
name: "Bridge connections after accepting inbound TCP connection",
tlsServerConfig: nil,
calls: func() {
mockNetLib.EXPECT().Listen(gomock.Any(), gomock.Any()).Return(mockNetListener, nil).Times(1)
mockNetListener.EXPECT().Accept().Return(mockTCPConn, nil).AnyTimes()
mockNetceptor.EXPECT().Dial(gomock.Any(), gomock.Any(), gomock.Any()).Return(&netceptor.Conn{}, nil).AnyTimes()
mockUtilsLib.EXPECT().BridgeConns(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
mockNetceptor, mockNetLib, mockTLSLib, mockNetListener, mockUtilsLib, mockTCPConn = setUpTCPMocks(ctrl)
tc.calls()
err := TCPProxyServiceInbound(mockNetceptor, tc.host, tc.port, tc.tlsServerConfig, tc.node, tc.service, tc.tlsClientConfig, mockNetLib, mockTLSLib, mockUtilsLib)
if tc.expectError {
if err == nil {
t.Errorf("TCPProxyServiceInbound failed to raise error")
} else if tc.expectedErrorMessage != err.Error() {
t.Errorf("TCPProxyServiceInbound didn't return the correct error message")
}
} else if err != nil {
t.Errorf("TCPProxyServiceInbound unexpected case error")
}
})
}
}
func TestTCPProxyServiceOutbound(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
var mockNetceptor *mock_services.MockNetcForTCPProxy
var mockNetLib *mock_services.MockNetLib
var mockTLSLib *mock_services.MockTLSLib
var mockUtilsLib *mock_services.MockUtilsLib
var mockTCPConn *mock_services.MockTCPConn
myListener := netceptor.Listener{
AcceptChan: make(chan *netceptor.AcceptResult),
DoneChan: make(chan struct{}),
}
type testCoverageItem struct {
name string
expectError bool
expectedErrorMessage string
tlsClientConfig *tls.Config
myAcceptResults []netceptor.AcceptResult
calls func()
}
testCases := []testCoverageItem{
{
name: "Fail to listen and advertise connection",
expectError: true,
expectedErrorMessage: "error listening on Receptor network: failed to stablish a connection",
calls: func() {
mockNetceptor.EXPECT().ListenAndAdvertise(gomock.Any(), gomock.Any(), gomock.Any()).Return(nil, errors.New("failed to stablish a connection")).Times(1)
},
},
{
name: "Fail to accept input connections",
myAcceptResults: []netceptor.AcceptResult{{
Conn: nil,
Err: errors.New("connection acceptance failed"),
}},
calls: func() {
mockNetceptor.EXPECT().ListenAndAdvertise(gomock.Any(), gomock.Any(), gomock.Any()).Return(&myListener, nil).Times(1)
},
},
{
name: "Fail to dial through non-TLS TCP connection",
tlsClientConfig: nil,
myAcceptResults: []netceptor.AcceptResult{{
Conn: mockTCPConn,
Err: nil,
}},
calls: func() {
mockNetceptor.EXPECT().ListenAndAdvertise(gomock.Any(), gomock.Any(), gomock.Any()).Return(&myListener, nil).Times(1)
mockNetLib.EXPECT().Dial(gomock.Any(), gomock.Any()).Return(nil, errors.New("non-TLS TCP dial failed")).AnyTimes()
},
},
{
name: "Fail to dial through TLS TCP connection",
tlsClientConfig: &tls.Config{},
myAcceptResults: []netceptor.AcceptResult{{
Conn: mockTCPConn,
Err: nil,
}},
calls: func() {
mockNetceptor.EXPECT().ListenAndAdvertise(gomock.Any(), gomock.Any(), gomock.Any()).Return(&myListener, nil).Times(1)
mockTLSLib.EXPECT().Dial(gomock.Any(), gomock.Any(), gomock.Any()).Return(nil, errors.New("TLS TCP dial failed")).AnyTimes()
},
},
{
name: "Complete connection bridge after successful non-TLS connection",
tlsClientConfig: &tls.Config{},
myAcceptResults: []netceptor.AcceptResult{
{
Conn: mockTCPConn,
Err: nil,
},
{
Conn: nil,
Err: errors.New("failed to accept a new connection"),
},
},
calls: func() {
mockNetceptor.EXPECT().ListenAndAdvertise(gomock.Any(), gomock.Any(), gomock.Any()).Return(&myListener, nil).Times(1)
mockTLSLib.EXPECT().Dial(gomock.Any(), gomock.Any(), gomock.Any()).Return(&tls.Conn{}, nil).AnyTimes()
mockUtilsLib.EXPECT().BridgeConns(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
mockNetceptor, mockNetLib, mockTLSLib, _, mockUtilsLib, mockTCPConn = setUpTCPMocks(ctrl)
tc.calls()
go func() {
for _, message := range tc.myAcceptResults {
myListener.AcceptChan <- &message
}
}()
err := TCPProxyServiceOutbound(mockNetceptor, "", &tls.Config{}, "", tc.tlsClientConfig, mockNetLib, mockTLSLib, mockUtilsLib)
if tc.expectError {
if err == nil {
t.Errorf("TCPProxyServiceOutbound case failed to raise error")
} else if tc.expectedErrorMessage != err.Error() {
t.Errorf("TCPProxyServiceOutbound didn't return the correct error message")
}
} else if err != nil {
t.Errorf("TCPProxyServiceOutbound unexpected case error")
}
})
}
}
func TestTCPProxyInboundCfgRun(t *testing.T) {
type testCoverageItem struct {
name string
expectError bool
expectedErrorMessage string
configObj TCPProxyInboundCfg
}
testCases := []testCoverageItem{
{
name: "Required parameters set no errors raised",
configObj: TCPProxyInboundCfg{
Port: 8000,
RemoteNode: "",
RemoteService: "",
},
},
{
name: "Required parameters set wrong TLS Client Config",
expectError: true,
expectedErrorMessage: "unknown TLS config gibberish",
configObj: TCPProxyInboundCfg{
Port: 8000,
RemoteNode: "",
RemoteService: "",
TLSClient: "gibberish",
},
},
{
name: "Required parameters set wrong TLS Server Config",
expectError: true,
expectedErrorMessage: "unknown TLS config gibberish",
configObj: TCPProxyInboundCfg{
Port: 8000,
RemoteNode: "",
RemoteService: "",
TLSServer: "gibberish",
},
},
}
netceptor.MainInstance = netceptor.New(context.Background(), "test_tcp_proxy_inbound_cfg_run")
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
err := tc.configObj.Run()
if tc.expectError {
if err == nil {
t.Errorf("Test case failed to raise error")
} else if tc.expectedErrorMessage != err.Error() {
t.Errorf("Test expected error message: '%s', but got: '%s'", tc.expectedErrorMessage, err.Error())
}
} else if err != nil {
t.Errorf("This test case wasn't expected to return an error: '%s'", err.Error())
}
})
}
}
func TestTCPProxyOutboundCfgRun(t *testing.T) {
type testCoverageItem struct {
name string
expectError bool
expectedErrorMessage string
configObj TCPProxyOutboundCfg
}
testCases := []testCoverageItem{
{
name: "Required parameters set no errors raised",
configObj: TCPProxyOutboundCfg{
Service: "",
Address: "0.0.0.0:8000",
},
},
{
name: "Required parameters set wrong TLS Server Config",
expectError: true,
expectedErrorMessage: "unknown TLS config gibberish",
configObj: TCPProxyOutboundCfg{
Service: "",
Address: "0.0.0.0:8000",
TLSServer: "gibberish",
},
},
{
name: "Required parameters set missing port in Address",
expectError: true,
expectedErrorMessage: "address 0.0.0.0: missing port in address",
configObj: TCPProxyOutboundCfg{
Service: "",
Address: "0.0.0.0",
},
},
{
name: "Required parameters set wrong TLS Client Config",
expectError: true,
expectedErrorMessage: "unknown TLS config gibberish",
configObj: TCPProxyOutboundCfg{
Service: "",
Address: "0.0.0.0:8000",
TLSClient: "gibberish",
},
},
}
netceptor.MainInstance = netceptor.New(context.Background(), "test_tcp_proxy_outbound_cfg_run")
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
err := tc.configObj.Run()
if tc.expectError {
if err == nil {
t.Errorf("Test case failed to raise error")
} else if tc.expectedErrorMessage != err.Error() {
t.Errorf("Test expected error message: '%s', but got: '%s'", tc.expectedErrorMessage, err.Error())
}
} else if err != nil {
t.Errorf("This test case wasn't expected to return an error: '%s'", err.Error())
}
})
}
}
|
