-describe "the max function" do
- let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
-
- it "should exist" do
- expect(Puppet::Parser::Functions.function("max")).to eq("function_max")
- end
-
- it "should raise a ParseError if there is less than 1 arguments" do
- expect { scope.function_max([]) }.to( raise_error(Puppet::ParseError))
- end
-
- it "should be able to compare strings" do
- expect(scope.function_max(["albatross","dog","horse"])).to(eq("horse"))
- end
-
- it "should be able to compare numbers" do
- expect(scope.function_max([6,8,4])).to(eq(8))
- end
+describe 'max' 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(1).and_return(1) }
+ it { is_expected.to run.with_params(1, 2).and_return(2) }
+ it { is_expected.to run.with_params(1, 2, 3).and_return(3) }
+ it { is_expected.to run.with_params(3, 2, 1).and_return(3) }
+ it { is_expected.to run.with_params('one').and_return('one') }
+ it { is_expected.to run.with_params('one', 'two').and_return('two') }
+ it { is_expected.to run.with_params('one', 'two', 'three').and_return('two') }
+ it { is_expected.to run.with_params('three', 'two', 'one').and_return('two') }