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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../../../spec_helper'
require 'puppet/util/network_device/transport/ssh'
describe Puppet::Util::NetworkDevice::Transport::Ssh, :if => Puppet.features.ssh? do
before(:each) do
@transport = Puppet::Util::NetworkDevice::Transport::Ssh.new()
end
it "should handle login through the transport" do
@transport.should be_handles_login
end
it "should connect to the given host and port" do
Net::SSH.expects(:start).with { |host, user, args| host == "localhost" && args[:port] == 22 }.returns stub_everything
@transport.host = "localhost"
@transport.port = 22
@transport.connect
end
it "should connect using the given username and password" do
Net::SSH.expects(:start).with { |host, user, args| user == "user" && args[:password] == "pass" }.returns stub_everything
@transport.user = "user"
@transport.password = "pass"
@transport.connect
end
describe "when connected" do
before(:each) do
@ssh = stub_everything 'ssh'
@channel = stub_everything 'channel'
Net::SSH.stubs(:start).returns @ssh
@ssh.stubs(:open_channel).yields(@channel)
@transport.stubs(:expect)
end
it "should open a channel" do
@ssh.expects(:open_channel)
@transport.connect
end
it "should request a pty" do
@channel.expects(:request_pty)
@transport.connect
end
it "should create a shell channel" do
@channel.expects(:send_channel_request).with("shell")
@transport.connect
end
it "should raise an error if shell channel creation fails" do
@channel.expects(:send_channel_request).with("shell").yields(@channel, false)
lambda { @transport.connect }.should raise_error
end
it "should register an on_data and on_extended_data callback" do
@channel.expects(:send_channel_request).with("shell").yields(@channel, true)
@channel.expects(:on_data)
@channel.expects(:on_extended_data)
@transport.connect
end
it "should accumulate data to the buffer on data" do
@channel.expects(:send_channel_request).with("shell").yields(@channel, true)
@channel.expects(:on_data).yields(@channel, "data")
@transport.connect
@transport.buf.should == "data"
end
it "should accumulate data to the buffer on extended data" do
@channel.expects(:send_channel_request).with("shell").yields(@channel, true)
@channel.expects(:on_extended_data).yields(@channel, 1, "data")
@transport.connect
@transport.buf.should == "data"
end
it "should mark eof on close" do
@channel.expects(:send_channel_request).with("shell").yields(@channel, true)
@channel.expects(:on_close).yields(@channel)
@transport.connect
@transport.should be_eof
end
it "should expect output to conform to the default prompt" do
@channel.expects(:send_channel_request).with("shell").yields(@channel, true)
@transport.expects(:default_prompt).returns("prompt")
@transport.expects(:expect).with("prompt")
@transport.connect
end
it "should start the ssh loop" do
@ssh.expects(:loop)
@transport.connect
end
end
describe "when closing" do
before(:each) do
@ssh = stub_everything 'ssh'
@channel = stub_everything 'channel'
Net::SSH.stubs(:start).returns @ssh
@ssh.stubs(:open_channel).yields(@channel)
@channel.stubs(:send_channel_request).with("shell").yields(@channel, true)
@transport.stubs(:expect)
@transport.connect
end
it "should close the channel" do
@channel.expects(:close)
@transport.close
end
it "should close the ssh session" do
@ssh.expects(:close)
@transport.close
end
end
describe "when sending commands" do
before(:each) do
@ssh = stub_everything 'ssh'
@channel = stub_everything 'channel'
Net::SSH.stubs(:start).returns @ssh
@ssh.stubs(:open_channel).yields(@channel)
@channel.stubs(:send_channel_request).with("shell").yields(@channel, true)
@transport.stubs(:expect)
@transport.connect
end
it "should send data to the ssh channel" do
@channel.expects(:send_data).with("data\n")
@transport.command("data")
end
it "should expect the default prompt afterward" do
@transport.expects(:default_prompt).returns("prompt")
@transport.expects(:expect).with("prompt")
@transport.command("data")
end
it "should expect the given prompt" do
@transport.expects(:expect).with("myprompt")
@transport.command("data", :prompt => "myprompt")
end
it "should yield the buffer output to given block" do
@transport.expects(:expect).yields("output")
@transport.command("data") do |out|
out.should == "output"
end
end
it "should return buffer output" do
@transport.expects(:expect).returns("output")
@transport.command("data").should == "output"
end
end
describe "when expecting output" do
before(:each) do
@connection = stub_everything 'connection'
@socket = stub_everything 'socket'
transport = stub 'transport', :socket => @socket
@ssh = stub_everything 'ssh', :transport => transport
@channel = stub_everything 'channel', :connection => @connection
@transport.ssh = @ssh
@transport.channel = @channel
end
it "should process the ssh event loop" do
IO.stubs(:select)
@transport.buf = "output"
@transport.expects(:process_ssh)
@transport.expect(/output/)
end
it "should return the output" do
IO.stubs(:select)
@transport.buf = "output"
@transport.stubs(:process_ssh)
@transport.expect(/output/).should == "output"
end
it "should return the output" do
IO.stubs(:select)
@transport.buf = "output"
@transport.stubs(:process_ssh)
@transport.expect(/output/).should == "output"
end
describe "when processing the ssh loop" do
it "should advance one tick in the ssh event loop and exit on eof" do
@transport.buf = ''
@connection.expects(:process).then.raises(EOFError)
@transport.process_ssh
end
end
end
end
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