Add basic spec tests

spec/defines/source_deb822_spec.rb

@@ -4,15 +4,48 @@
 
 describe 'apt::source_deb822' do
   let(:title) { 'namevar' }
+  let(:pre_condition) { 'include apt' }
   let(:params) do
     {}
   end
 
+  context 'with defaults' do
+    it { is_expected.to raise_error(Puppet::Error) }
+  end
+
   on_supported_os.each do |os, os_facts|
     context "on #{os}" do
       let(:facts) { os_facts }
 
-      it { is_expected.to compile }
+      context 'puppetlabs source' do
+        let(:title) { 'puppetlabs' }
+        let(:params) do
+          super().merge(
+            {
+              'comment'    => 'Manage the puppetlabs repo',
+              'uris'       => ['http://apt.puppet.com'],
+              'suites'     => [facts['codename'].to_s],
+              'components' => ['puppet8'],
+              'signed_by'  => ['/etc/apt/keyrings/puppetlabs.gpg'],
+            },
+          )
+        end
+
+        it { is_expected.to contain_apt__setting("source-#{title}") }
+        it { is_expected.to contain_file("/etc/apt/sources.list.d/#{title}.sources").with_content(%r{^# #{params['comment']}}) }
+
+        context 'disable repo' do
+          let(:params) do
+            super().merge(
+              {
+                'enabled' => false,
+              },
+            )
+          end
+
+          it { is_expected.to contain_file("/etc/apt/sources.list.d/#{title}.sources").with_content(%r{^Enabled: no}) }
+        end
+      end
     end
   end
 end