vagrant-lxc-ng/spec/unit/action/forward_ports_spec.rb

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require 'unit_helper'
require 'tmpdir'
require 'vagrant-lxc/provider'
require 'vagrant-lxc/action/forward_ports'
describe Vagrant::LXC::Action::ForwardPorts do
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let(:app) { double(:app, call: true) }
let(:env) { {machine: machine, ui: double(info: true)} }
let(:machine) { double(:machine) }
let!(:data_dir) { Pathname.new(Dir.mktmpdir) }
let(:provider) { double(Vagrant::LXC::Provider, ssh_info: {host: container_ip}) }
let(:host_ip) { '127.0.0.1' }
let(:host_port) { 8080 }
let(:guest_port) { 80 }
let(:container_ip) { '10.0.1.234' }
let(:pid) { 'a-pid' }
let(:forward_conf) { {guest: guest_port, host: host_port, host_ip: host_ip} }
let(:networks) { [[:other_config, {}], [:forwarded_port, forward_conf]] }
subject { described_class.new(app, env) }
before do
machine.stub_chain(:config, :vm, :networks).and_return(networks)
machine.stub(provider: provider, data_dir: data_dir)
subject.stub(exec: true)
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subject.stub(spawn: pid)
end
after { FileUtils.rm_rf data_dir.to_s }
it 'forwards ports using redir' do
subject.stub(system: true)
subject.call(env)
expect(subject).to have_received(:spawn).with(
"redir --laddr=#{host_ip} --lport=#{host_port} --caddr=#{container_ip} --cport=#{guest_port} 2>/dev/null"
)
end
it 'skips --laddr parameter if host_ip is nil' do
forward_conf.delete(:host_ip)
subject.stub(system: true)
subject.call(env)
expect(subject).to have_received(:spawn).with(
"redir --lport=#{host_port} --caddr=#{container_ip} --cport=#{guest_port} 2>/dev/null"
)
end
it 'skips --laddr parameter if host_ip is a blank string' do
forward_conf[:host_ip] = ' '
subject.stub(system: true)
subject.call(env)
expect(subject).to have_received(:spawn).with(
"redir --lport=#{host_port} --caddr=#{container_ip} --cport=#{guest_port} 2>/dev/null"
)
end
it "stores redir pids on machine's data dir" do
subject.stub(system: true)
subject.call(env)
pid_file = data_dir.join('pids', "redir_#{host_port}.pid").read
expect(pid_file).to eq(pid)
end
it 'allows disabling a previously forwarded port' do
forward_conf[:disabled] = true
subject.stub(system: true)
subject.call(env)
expect(subject).not_to have_received(:spawn)
end
it 'raises RedirNotInstalled error if `redir` is not installed' do
subject.stub(system: false)
expect { subject.call(env) }.to raise_error(Vagrant::LXC::Errors::RedirNotInstalled)
end
end