-describe "the unique function" do
- let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
-
- it "should exist" do
- expect(Puppet::Parser::Functions.function("unique")).to eq("function_unique")
- end
-
- it "should raise a ParseError if there is less than 1 arguments" do
- expect { scope.function_unique([]) }.to( raise_error(Puppet::ParseError))
- end
-
- it "should remove duplicate elements in a string" do
- result = scope.function_unique(["aabbc"])
- expect(result).to(eq('abc'))
- end
-
- it "should remove duplicate elements in an array" do
- result = scope.function_unique([["a","a","b","b","c"]])
- expect(result).to(eq(['a','b','c']))
- end
+describe 'unique' do
+ if Puppet.version.to_f < 5.0
+ 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 {
+ pending("Current implementation ignores parameters after the first.")
+ is_expected.to run.with_params([], 'extra').and_raise_error(Puppet::ParseError, /wrong number of arguments/i)
+ }
+ it { is_expected.to run.with_params({}).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) }
+ it { is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) }
+ it { is_expected.to run.with_params(true).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) }
+ end