vagrant-lxc-ng/spec/unit/driver_spec.rb

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require 'unit_helper'
require 'vagrant'
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require 'vagrant-lxc/driver'
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describe Vagrant::LXC::Driver do
describe 'container name validation' do
let(:unknown_container) { described_class.new('unknown', cli) }
let(:valid_container) { described_class.new('valid', cli) }
let(:new_container) { described_class.new(nil) }
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let(:cli) { fire_double('Vagrant::LXC::Driver::CLI', list: ['valid']) }
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it 'raises a ContainerNotFound error if an unknown container name gets provided' do
expect {
unknown_container.validate!
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}.to raise_error(Vagrant::LXC::Driver::ContainerNotFound)
end
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it 'does not raise a ContainerNotFound error if a valid container name gets provided' do
expect {
valid_container.validate!
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}.to_not raise_error(Vagrant::LXC::Driver::ContainerNotFound)
end
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it 'does not raise a ContainerNotFound error if nil is provider as name' do
expect {
new_container.validate!
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}.to_not raise_error(Vagrant::LXC::Driver::ContainerNotFound)
end
end
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describe 'creation' do
let(:name) { 'container-name' }
let(:template_name) { 'auto-assigned-template-id' }
let(:template_path) { '/path/to/lxc-template-from-box' }
let(:template_opts) { {'--some' => 'random-option'} }
let(:rootfs_tarball) { '/path/to/cache/rootfs.tar.gz' }
let(:cli) { fire_double('Vagrant::LXC::Driver::CLI', :create => true, :name= => true) }
subject { described_class.new(nil, cli) }
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before do
subject.stub(:import_template).and_yield(template_name)
subject.create name, template_path, template_opts
end
it 'sets the cli object container name' do
cli.should have_received(:name=).with(name)
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end
it 'creates container with the right arguments' do
cli.should have_received(:create).with(
template_name,
template_opts
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)
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end
end
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describe 'destruction' do
let(:name) { 'container-name' }
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let(:cli) { fire_double('Vagrant::LXC::Driver::CLI', destroy: true) }
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subject { described_class.new(name, cli) }
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before { subject.destroy }
it 'delegates to cli object' do
cli.should have_received(:destroy)
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end
end
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describe 'start' do
let(:name) { 'container-name' }
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let(:config) { fire_double('Vagrant::LXC::Config', customizations: [['a', '1'], ['b', '2']]) }
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let(:cli) { fire_double('Vagrant::LXC::Driver::CLI', start: true) }
subject { described_class.new(name, cli) }
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before do
cli.stub(:transition_to).and_yield(cli)
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end
it 'starts container with configured lxc settings' do
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cli.should_receive(:start).with(config.customizations, nil)
subject.start(config)
end
it 'expects a transition to running state to take place' do
cli.should_receive(:transition_to).with(:running)
subject.start(config)
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end
end
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describe 'halt' do
let(:name) { 'container-name' }
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let(:cli) { fire_double('Vagrant::LXC::Driver::CLI', shutdown: true) }
subject { described_class.new(name, cli) }
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before do
cli.stub(:transition_to).and_yield(cli)
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end
it 'delegates to cli shutdown' do
cli.should_receive(:shutdown)
subject.halt
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end
it 'expects a transition to running state to take place' do
cli.should_receive(:transition_to).with(:stopped)
subject.halt
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end
end
describe 'state' do
let(:name) { 'random-container-name' }
let(:cli_state) { :something }
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let(:cli) { fire_double('Vagrant::LXC::Driver::CLI', state: cli_state) }
subject { described_class.new(name, cli) }
it 'delegates to cli' do
subject.state.should == cli_state
end
end
describe 'assigned ip' do
# This ip is set on the sample-ip-addr-output fixture
let(:ip) { "10.0.254.137" }
let(:ifconfig_output) { File.read('spec/fixtures/sample-ip-addr-output') }
let(:name) { 'random-container-name' }
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let(:cli) { fire_double('Vagrant::LXC::Driver::CLI', :attach => ifconfig_output) }
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subject { described_class.new(name, cli) }
context 'when ip for eth0 gets returned from lxc-attach call' do
it 'gets parsed from ifconfig output' do
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subject.assigned_ip.should == ip
cli.should have_received(:attach).with(
'/sbin/ip',
'-4',
'addr',
'show',
'scope',
'global',
'eth0',
namespaces: 'network'
)
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end
end
end
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end