puppetlabs-stdlib/spec/unit/puppet/parser/functions/count_spec.rb
Erik Dalén f28550e789 Add a count function
Similar to the ruby count method on arrays.
2013-04-10 14:39:25 +02:00

27 lines
796 B
Ruby

#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the count function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
Puppet::Parser::Functions.function("count").should == "function_count"
end
it "should raise a ArgumentError if there is more than 2 arguments" do
lambda { scope.function_count(['foo', 'bar', 'baz']) }.should( raise_error(ArgumentError))
end
it "should be able to count arrays" do
scope.function_count([["1","2","3"]]).should(eq(3))
end
it "should be able to count matching elements in arrays" do
scope.function_count([["1", "2", "2"], "2"]).should(eq(2))
end
it "should not count :undef, nil or empty strings" do
scope.function_count([["foo","bar",:undef,nil,""]]).should(eq(2))
end
end