module-common/spec/unit/parser/functions/array_union.rb
2011-05-17 21:13:10 +02:00

39 lines
1.1 KiB
Ruby

#! /usr/bin/env ruby
require File.dirname(__FILE__) + '/../../../spec_helper'
describe "the array_union function" do
before :each do
@scope = Puppet::Parser::Scope.new
end
it "should exist" do
Puppet::Parser::Functions.function("array_union").should == "function_array_union"
end
it "should raise a ParseError if there is less than 2 arguments" do
lambda { @scope.function_array_union([["foo"]]) }.should( raise_error(Puppet::ParseError))
end
it "should raise a ParseError if there is more than 2 arguments" do
lambda { @scope.function_array_union([["foo", "bar", "gazonk"]]) }.should( raise_error(Puppet::ParseError))
end
it "should union to arrays" do
result = @scope.function_array_union([['a','b'],['c']])
result.should(eql(['a','b','c']))
end
it "should do nothing if an item is present" do
result = @scope.function_array_union([['a','b'],['b']])
result.should(eql(['a','b']))
end
it "should leave the argument untouched" do
a = ['a','b']
result = @scope.function_array_union([a,['c']])
a.should(eql(['a','b']))
end
end