From 737aa31546e71e9febea2199582510ef88a2560c Mon Sep 17 00:00:00 2001 From: Alex Cline Date: Mon, 13 May 2013 12:09:33 -0400 Subject: (#20684) Add array comparison functions, difference, intersection and union. Included is code, tests and documentation for the difference, intersection and union functions for comparing arrays. --- spec/unit/puppet/parser/functions/difference_spec.rb | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 spec/unit/puppet/parser/functions/difference_spec.rb (limited to 'spec/unit/puppet/parser/functions/difference_spec.rb') diff --git a/spec/unit/puppet/parser/functions/difference_spec.rb b/spec/unit/puppet/parser/functions/difference_spec.rb new file mode 100644 index 0000000..9feff09 --- /dev/null +++ b/spec/unit/puppet/parser/functions/difference_spec.rb @@ -0,0 +1,19 @@ +#! /usr/bin/env ruby -S rspec +require 'spec_helper' + +describe "the difference function" do + let(:scope) { PuppetlabsSpec::PuppetInternals.scope } + + it "should exist" do + Puppet::Parser::Functions.function("difference").should == "function_difference" + end + + it "should raise a ParseError if there are fewer than 2 arguments" do + lambda { scope.function_difference([]) }.should( raise_error(Puppet::ParseError) ) + end + + it "should return the difference between two arrays" do + result = scope.function_difference([["a","b","c"],["b","c","d"]]) + result.should(eq(["a"])) + end +end -- cgit v1.2.3