Add spec tests

Author: remicalixte

spec/classes/datadog_agent_spec.rb

@@ -833,7 +833,20 @@
         end
 
         if DEBIAN_OS.include?(operatingsystem)
-          it { should contain_class('datadog_agent::ubuntu::agent5') }
+          it do
+            should contain_class('datadog_agent::ubuntu::agent5')\
+                .with_apt_keyserver('hkp://keyserver.ubuntu.com:80')
+          end
+          context 'use backup keyserver' do
+            let(:params) {{
+                :use_apt_backup_keyserver => true,
+                :agent5_enable => true,
+            }}
+            it do
+                should contain_class('datadog_agent::ubuntu::agent5')\
+                    .with_apt_keyserver('hkp://pool.sks-keyservers.net:80')
+            end
+          end
         elsif REDHAT_OS.include?(operatingsystem)
           it { should contain_class('datadog_agent::redhat::agent5') }
         end

spec/classes/datadog_agent_ubuntu_spec.rb

@@ -17,7 +17,19 @@
 
   # it should install the mirror
   it { should_not contain_datadog_agent__ubuntu__install_key('935F5A436A5A6E8788F0765B226AE980C7A7DA52') }
-  it { should contain_datadog_agent__ubuntu__install_key('A2923DFF56EDA6E76E55E492D3A80E30382E94DE') }
+  it do
+    should contain_datadog_agent__ubuntu__install_key('A2923DFF56EDA6E76E55E492D3A80E30382E94DE')\
+  end
+  context 'overriding keyserver' do
+    let(:params) {{
+      apt_keyserver: 'hkp://pool.sks-keyservers.net:80',
+    }}
+    it do
+      should contain_datadog_agent__ubuntu__install_key('A2923DFF56EDA6E76E55E492D3A80E30382E94DE')\
+        .with_server('hkp://pool.sks-keyservers.net:80')
+    end
+  end
+  
   it do
     should contain_file('/etc/apt/sources.list.d/datadog.list')\
       .that_notifies('exec[apt_update]')