-describe "the sort function" do
- let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
-
- it "should exist" do
- expect(Puppet::Parser::Functions.function("sort")).to eq("function_sort")
- end
-
- it "should raise a ParseError if there is not 1 arguments" do
- expect { scope.function_sort(['','']) }.to( raise_error(Puppet::ParseError))
+describe 'sort' do
+ describe 'signature validation' do
+ it { is_expected.not_to eq(nil) }
+ it { is_expected.to run.with_params().and_raise_error(Puppet::ParseError, /wrong number of arguments/i) }
+ it { is_expected.to run.with_params([], 'extra').and_raise_error(Puppet::ParseError, /wrong number of arguments/i) }
+ it { pending('stricter input checking'); is_expected.to run.with_params({}).and_raise_error(Puppet::ParseError, /requires string or array/) }
+ it { pending('stricter input checking'); is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, /requires string or array/) }
+ it { pending('stricter input checking'); is_expected.to run.with_params(true).and_raise_error(Puppet::ParseError, /requires string or array/) }