require 'spec_helper' describe 'delete_values' 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(1).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', 'three').and_raise_error(Puppet::ParseError) } describe 'when the first argument is not a hash' do it { is_expected.to run.with_params(1, 'two').and_raise_error(TypeError) } it { is_expected.to run.with_params('one', 'two').and_raise_error(TypeError) } it { is_expected.to run.with_params([], 'two').and_raise_error(TypeError) } end describe 'when deleting from a hash' do it { is_expected.to run.with_params({}, 'value').and_return({}) } it { is_expected.to run \ .with_params({'key1' => 'value1'}, 'non-existing value') \ .and_return({'key1' => 'value1'}) } it { is_expected.to run \ .with_params({'key1' => 'value1', 'key2' => 'value to delete'}, 'value to delete') \ .and_return({'key1' => 'value1'}) } it { is_expected.to run \ .with_params({'key1' => 'value1', 'key2' => 'value to delete', 'key3' => 'value to delete'}, 'value to delete') \ .and_return({'key1' => 'value1'}) } end it "should leave the original argument intact" do argument = { 'key1' => 'value1', 'key2' => 'value2' } original = argument.dup result = subject.call([argument, 'value2']) expect(argument).to eq(original) end end