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require 'puppet/interface/option_builder'
describe Puppet::Interface::OptionBuilder do
let :face do Puppet::Interface.new(:option_builder_testing, '0.0.1') end
it "should be able to construct an option without a block" do
Puppet::Interface::OptionBuilder.build(face, "--foo").
should be_an_instance_of Puppet::Interface::Option
end
it "should work with an empty block" do
option = Puppet::Interface::OptionBuilder.build(face, "--foo") do
# This block deliberately left blank.
end
option.should be_an_instance_of Puppet::Interface::Option
end
[:description, :summary].each do |doc|
it "should support #{doc} declarations" do
text = "this is the #{doc}"
option = Puppet::Interface::OptionBuilder.build(face, "--foo") do
self.send doc, text
end
option.should be_an_instance_of Puppet::Interface::Option
option.send(doc).should == text
end
end
context "before_action hook" do
it "should support a before_action hook" do
option = Puppet::Interface::OptionBuilder.build(face, "--foo") do
before_action do |a,b,c| :whatever end
end
option.before_action.should be_an_instance_of UnboundMethod
end
it "should fail if the hook block takes too few arguments" do
expect do
Puppet::Interface::OptionBuilder.build(face, "--foo") do
before_action do |one, two| true end
end
end.to raise_error ArgumentError, /takes three arguments/
end
it "should fail if the hook block takes too many arguments" do
expect do
Puppet::Interface::OptionBuilder.build(face, "--foo") do
before_action do |one, two, three, four| true end
end
end.to raise_error ArgumentError, /takes three arguments/
end
it "should fail if the hook block takes a variable number of arguments" do
expect do
Puppet::Interface::OptionBuilder.build(face, "--foo") do
before_action do |*blah| true end
end
end.to raise_error ArgumentError, /takes three arguments/
end
it "should support simple required declarations" do
opt = Puppet::Interface::OptionBuilder.build(face, "--foo") do
required
end
opt.should be_required
end
it "should support arguments to the required property" do
opt = Puppet::Interface::OptionBuilder.build(face, "--foo") do
required(false)
end
opt.should_not be_required
end
end
end
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