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require 'spec_helper'
require 'puppet_spec/compiler'
describe "Parameter passing" do
include PuppetSpec::Compiler
before :each do
# DataBinding will be consulted before falling back to a default value,
# but we aren't testing that here
Puppet::DataBinding.indirection.stubs(:find)
end
def expect_the_message_to_be(message, node = Puppet::Node.new('the node'))
catalog = compile_to_catalog(yield, node)
catalog.resource('Notify', 'something')[:message].should == message
end
def expect_puppet_error(message, node = Puppet::Node.new('the node'))
expect { compile_to_catalog(yield, node) }.to raise_error(Puppet::Error, message)
end
it "overrides the default when a value is given" do
expect_the_message_to_be('2') do <<-MANIFEST
define a($x=1) { notify { 'something': message => $x }}
a {'a': x => 2}
MANIFEST
end
end
it "shadows an inherited variable with the default value when undef is passed" do
expect_the_message_to_be('default') do <<-MANIFEST
class a { $x = 'inherited' }
class b($x='default') inherits a { notify { 'something': message => $x }}
class { 'b': x => undef}
MANIFEST
end
end
it "uses a default value that comes from an inherited class when the parameter is undef" do
expect_the_message_to_be('inherited') do <<-MANIFEST
class a { $x = 'inherited' }
class b($y=$x) inherits a { notify { 'something': message => $y }}
class { 'b': y => undef}
MANIFEST
end
end
it "uses a default value that references another variable when the parameter is passed as undef" do
expect_the_message_to_be('a') do <<-MANIFEST
define a($a = $title) { notify { 'something': message => $a }}
a {'a': a => undef}
MANIFEST
end
end
it "uses the default when 'undef' is given'" do
expect_the_message_to_be('1') do <<-MANIFEST
define a($x=1) { notify { 'something': message => $x }}
a {'a': x => undef}
MANIFEST
end
end
it "uses the default when no parameter is provided" do
expect_the_message_to_be('1') do <<-MANIFEST
define a($x=1) { notify { 'something': message => $x }}
a {'a': }
MANIFEST
end
end
it "uses a value of undef when the default is undef and no parameter is provided" do
expect_the_message_to_be(true) do <<-MANIFEST
define a($x=undef) { notify { 'something': message => $x == undef}}
a {'a': }
MANIFEST
end
end
it "errors when no parameter is provided and there is no default" do
expect_puppet_error(/^Must pass x to A\[a\].*/) do <<-MANIFEST
define a($x) { notify { 'something': message => $x }}
a {'a': }
MANIFEST
end
end
end
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