-#! /usr/bin/env ruby -S rspec
require 'spec_helper'
-describe "the difference function" do
- let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
-
- it "should exist" do
- expect(Puppet::Parser::Functions.function("difference")).to eq("function_difference")
- end
-
- it "should raise a ParseError if there are fewer than 2 arguments" do
- expect { scope.function_difference([]) }.to( raise_error(Puppet::ParseError) )
- end
-
- it "should return the difference between two arrays" do
- result = scope.function_difference([["a","b","c"],["b","c","d"]])
- expect(result).to(eq(["a"]))
- end
+describe 'difference' do
+ it { is_expected.not_to eq(nil) }
+ it { is_expected.to run.with_params().and_raise_error(Puppet::ParseError) }
+ it { is_expected.to run.with_params('one').and_raise_error(Puppet::ParseError) }
+ it { is_expected.to run.with_params('one', 'two').and_raise_error(Puppet::ParseError) }
+ it { is_expected.to run.with_params('one', 'two', 'three').and_raise_error(Puppet::ParseError) }
+ it { is_expected.to run.with_params('one', []).and_raise_error(Puppet::ParseError) }
+ it { is_expected.to run.with_params([], 'two').and_raise_error(Puppet::ParseError) }
+ it { is_expected.to run.with_params({}, {}).and_raise_error(Puppet::ParseError) }
+ it { is_expected.to run.with_params([], []).and_return([]) }
+ it { is_expected.to run.with_params([], ['one']).and_return([]) }
+ it { is_expected.to run.with_params(['one'], ['one']).and_return([]) }
+ it { is_expected.to run.with_params(['ớņέ'], ['']).and_return(['ớņέ']) }
+ it { is_expected.to run.with_params(['one'], []).and_return(['one']) }
+ it { is_expected.to run.with_params(['one', 'two', 'three'], ['two', 'three']).and_return(['one']) }
+ it { is_expected.to run.with_params(['ớņέ', 'ŧשּׁō', 'ŧħґëə', 2], ['ŧשּׁō', 'ŧħґëə']).and_return(['ớņέ', 2]) }
+ it { is_expected.to run.with_params(['one', 'two', 'two', 'three'], ['two', 'three']).and_return(['one']) }
+ it { is_expected.to run.with_params(['one', 'two', 'three'], ['two', 'two', 'three']).and_return(['one']) }
+ it { is_expected.to run.with_params(['one', 'two', 'three'], ['two', 'three', 'four']).and_return(['one']) }
+ it 'should not confuse types' do is_expected.to run.with_params(['1', '2', '3'], [1, 2]).and_return(['1', '2', '3']) end
end