Add unit test for main class

spec/classes/wireguard_spec.rb

@@ -0,0 +1,21 @@
+require 'spec_helper'
+
+describe 'wireguard' do
+  let :node do
+    'postgres01.example.com'
+  end
+
+  on_supported_os.each do |os, facts|
+    context "on #{os} " do
+      let :facts do
+        facts
+      end
+
+      context 'with all defaults' do
+        it { is_expected.to compile.with_all_deps }
+        it { is_expected.to contain_file('/etc/wireguard') }
+        it { is_expected.to contain_package('wireguard-tools') }
+      end
+    end
+  end
+end