adjust chrony conf for arrays and strings from input and config file

controls/SV-230484.rb

@@ -72,12 +72,19 @@
   only_if('This control is Not Applicable to containers', impact: 0.0) {
     !virtualization.system.eql?('docker')
   }
+
+
+  # Get input, convert to array if string
+  authoritative_timeserver = input('authoritative_timeserver')
+  authoritative_timeserver = [authoritative_timeserver] if authoritative_timeserver.is_a? String
+
   # No need to provide filepath
   time_sources = chrony_conf.server
 
   # Cover case when a single server is defined and resource returns a string and not an array
   time_sources = [time_sources] if time_sources.is_a? String
 
+  # Get and map maxpoll values to an array
   unless time_sources.nil?
     max_poll_values = time_sources.map { |val|
       val.match?(/.*maxpoll.*/) ? val.gsub(/.*maxpoll\s+(\d+)(\s+.*|$)/, '\1').to_i : 10
@@ -89,28 +96,17 @@
     its('server') { should_not be_nil }
   end
 
-  unless chrony_conf.server.nil?
-    # If there is only one server and the resource returns a string, check if the server matches the input
-    if chrony_conf.server.is_a? String
-      describe chrony_conf do
-        its('server') { should match input('authoritative_timeserver') }
-      end
-    end
+  unless time_sources.nil?
     # Check if each server in the server array exists in the input
-    if chrony_conf.server.is_a? Array
-      chrony_conf.server.each do |server|
-        describe server do
-          it { should match input('authoritative_timeserver') }
-        end
+    time_sources.each do |server|
+      describe server do
+        it { should be_in authoritative_timeserver }
       end
     end
-
     # All time sources must contain valid maxpoll entries
-    unless time_sources.nil?
-      describe 'chronyd maxpoll values (99=maxpoll absent)' do
-        subject { max_poll_values }
-        it { should all be < 17 }
-      end
+    describe 'chronyd maxpoll values (99=maxpoll absent)' do
+      subject { max_poll_values }
+      it { should all be < 17 }
     end
   end
 end