vaguerent/test/vagrant/command/helpers_test.rb
2010-08-25 21:49:19 -07:00

99 lines
2.6 KiB
Ruby

require "test_helper"
class CommandHelpersTest < Test::Unit::TestCase
setup do
@module = Vagrant::Command::Helpers
@command = Class.new(Vagrant::Command::Base) do
argument :name, :optional => true, :type => :string
end
end
def command(args, env)
@command.new(args, {}, { :env => env })
end
context "initializing environment" do
should "raise an exception if no environment is given" do
assert_raises(Vagrant::CLIMissingEnvironment) { command([], nil) }
end
should "not raise an exception if environment is given and setup UI" do
env = mock_environment
assert_nothing_raised { command([], env) }
assert env.ui.is_a?(Vagrant::UI::Shell)
end
end
context "requiring environment" do
setup do
@env = mock_environment
end
should "raise an exception if no environment" do
@env.stubs(:root_path).returns(nil)
assert_raises(Vagrant::NoEnvironmentError) { command([], @env).require_environment }
end
should "not raise an exception if there is an environment" do
@env.stubs(:root_path).returns(7)
assert_nothing_raised { command([], @env).require_environment }
end
end
context "vms from args" do
setup do
@env = mock_environment
@env.stubs(:root_path).returns(7)
end
should "only calculate the result once" do
instance = command([], @env)
result = instance.target_vms
assert instance.target_vms.equal?(result)
end
context "without multivm" do
setup do
@env.stubs(:vms).returns({ :one => 1 })
end
should "raise an exception if a name is specified" do
instance = command(["foo"], @env)
assert_raises(Vagrant::MultiVMEnvironmentRequired) {
instance.target_vms
}
end
should "return the VM if no name is specified" do
instance = command([], @env)
assert_nothing_raised {
assert_equal @env.vms.values, instance.target_vms
}
end
end
context "with multivm" do
setup do
@env.stubs(:vms).returns(:one => 1, :two => 2)
end
should "return all the VMs if no name is specified" do
instance = command([], @env)
assert_equal @env.vms.values, instance.target_vms
end
should "return only the specified VM if a name is given" do
instance = command(["one"], @env)
assert_equal @env.vms[:one], instance.target_vms.first
end
should "raise an exception if an invalid name is given" do
instance = command(["foo"], @env)
assert_raises(Vagrant::VMNotFoundError) {
instance.target_vms
}
end
end
end
end