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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
package tunnelssh
import (
"context"
"errors"
"testing"
"golang.org/x/crypto/ssh"
)
type mockActivator struct {
ActivateFunc func(context.Context, *Session) error
}
func (m *mockActivator) Activate(ctx context.Context, s *Session) error {
return m.ActivateFunc(ctx, s)
}
func TestSessionActivate(t *testing.T) {
session := NewSession(nil)
ma := &mockActivator{
ActivateFunc: func(ctx context.Context, s *Session) error {
if s != session {
return errors.New("invalid session")
}
return nil
},
}
if err := session.Activate(context.Background(), ma); err != nil {
t.Errorf("session.Activate() error = %v", err)
}
}
type mockNewChannel struct {
AcceptFunc func() (ssh.Channel, <-chan *ssh.Request, error)
ChannelTypeFunc func() string
RejectFunc func(ssh.RejectionReason, string) error
ExtraDataFunc func() []byte
}
func (m *mockNewChannel) Accept() (ssh.Channel, <-chan *ssh.Request, error) {
return m.AcceptFunc()
}
func (m *mockNewChannel) ExtraData() []byte {
return m.ExtraDataFunc()
}
func (m *mockNewChannel) ChannelType() string {
return m.ChannelTypeFunc()
}
func (m *mockNewChannel) Reject(reason ssh.RejectionReason, message string) error {
return m.RejectFunc(reason, message)
}
func TestSessionChannels(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
channelType := "testChannel"
session := NewSession(nil)
var n int
session.AddChannelHandler(channelType, func(ctx context.Context, newChannel ssh.NewChannel) {
n++
})
chans := make(chan ssh.NewChannel)
go session.handleChannels(ctx, chans)
// successful channel
chans <- &mockNewChannel{
ChannelTypeFunc: func() string {
return channelType
},
}
// rejected channel
called := make(chan struct{})
chans <- &mockNewChannel{
ChannelTypeFunc: func() string {
return "otherChannel"
},
RejectFunc: func(reason ssh.RejectionReason, message string) error {
close(called)
return nil
},
}
if n != 1 {
t.Errorf("n = %d, want 1", n)
}
// wait for the channel to be rejected
<-called
}
type mockSSHRequest struct {
TypeFunc func() string
ReplyFunc func(bool, []byte) error
}
func (m *mockSSHRequest) Type() string {
return m.TypeFunc()
}
func (m *mockSSHRequest) Reply(ok bool, message []byte) error {
return m.ReplyFunc(ok, message)
}
func TestSessionRequests(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
session := NewSession(nil)
var n int
session.AddRequestHandler("testRequest", func(ctx context.Context, req SSHRequest) {
n++
})
reqs := make(chan SSHRequest)
go session.handleRequests(ctx, reqs)
reqs <- &mockSSHRequest{
TypeFunc: func() string {
return "testRequest"
},
}
if n != 1 {
t.Errorf("n = %d, want 1", n)
}
called := make(chan struct{})
reqs <- &mockSSHRequest{
TypeFunc: func() string {
return "otherRequest"
},
ReplyFunc: func(ok bool, message []byte) error {
close(called)
return nil
},
}
// wait for the request to be rejected
<-called
}
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