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-rw-r--r--lib/puppet/parser/functions/any2array.rb35
-rw-r--r--spec/unit/puppet/parser/functions/any2array_spec.rb55
2 files changed, 90 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/any2array.rb b/lib/puppet/parser/functions/any2array.rb
new file mode 100644
index 0000000..d150743
--- /dev/null
+++ b/lib/puppet/parser/functions/any2array.rb
@@ -0,0 +1,35 @@
+#
+# str2bool.rb
+#
+
+module Puppet::Parser::Functions
+ newfunction(:any2array, :type => :rvalue, :doc => <<-EOS
+This converts any object to an array containing that object. Empty argument
+lists are converted to an empty array. Arrays are left untouched. Hashes are
+converted to arrays of alternating keys and values.
+ EOS
+ ) do |arguments|
+
+ if arguments.empty?
+ return []
+ end
+
+ if arguments.length == 1
+ if arguments[0].kind_of?(Array)
+ return arguments[0]
+ elsif arguments[0].kind_of?(Hash)
+ result = []
+ arguments[0].each do |key, value|
+ result << key << value
+ end
+ return result
+ else
+ return [arguments[0]]
+ end
+ end
+
+ return arguments
+ end
+end
+
+# vim: set ts=2 sw=2 et :
diff --git a/spec/unit/puppet/parser/functions/any2array_spec.rb b/spec/unit/puppet/parser/functions/any2array_spec.rb
new file mode 100644
index 0000000..b266e84
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/any2array_spec.rb
@@ -0,0 +1,55 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the any2array function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("any2array").should == "function_any2array"
+ end
+
+ it "should return an empty array if there is less than 1 argument" do
+ result = scope.function_any2array([])
+ result.should(eq([]))
+ end
+
+ it "should convert boolean true to [ true ] " do
+ result = scope.function_any2array([true])
+ result.should(eq([true]))
+ end
+
+ it "should convert one object to [object]" do
+ result = scope.function_any2array(['one'])
+ result.should(eq(['one']))
+ end
+
+ it "should convert multiple objects to [objects]" do
+ result = scope.function_any2array(['one', 'two'])
+ result.should(eq(['one', 'two']))
+ end
+
+ it "should return empty array it was called with" do
+ result = scope.function_any2array([[]])
+ result.should(eq([]))
+ end
+
+ it "should return one-member array it was called with" do
+ result = scope.function_any2array([['string']])
+ result.should(eq(['string']))
+ end
+
+ it "should return multi-member array it was called with" do
+ result = scope.function_any2array([['one', 'two']])
+ result.should(eq(['one', 'two']))
+ end
+
+ it "should return members of a hash it was called with" do
+ result = scope.function_any2array([{ 'key' => 'value' }])
+ result.should(eq(['key', 'value']))
+ end
+
+ it "should return an empty array if it was called with an empty hash" do
+ result = scope.function_any2array([{ }])
+ result.should(eq([]))
+ end
+end