Reformat Regexp

Fix show template (missing tr)
Separate exercise/verify

app/helpers/sidekiq_helper.rb

 module SidekiqHelper
   SIDEKIQ_PS_REGEXP = /\A([^\s]+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)\s+(.+)\s+(sidekiq.*\])\s+\z/
 
+  SIDEKIQ_PS_REGEXP = /\A
+  (?<pid>\d+)\s+
+  (?<cpu>[\d\.,]+)\s+
+  (?<mem>[\d\.,]+)\s+
+  (?<state>[DRSTWXZNLsl\+<]+)\s+
+  (?<start>.+)\s+
+  (?<command>sidekiq.*\])\s+
+  \z/x
+
   def parse_sidekiq_ps(line)
     match = line.match(SIDEKIQ_PS_REGEXP)
     if match

app/views/admin/background_jobs/show.html.haml

@@ -28,6 +28,7 @@
               %th COMMAND
             %tbody
               - @sidekiq_processes.each do |process|
+                %tr
                   %td= gitlab_config.user
                   - parse_sidekiq_ps(process).each do |value|
                     %td= value

spec/helpers/sidekiq_helper_spec.rb

@@ -5,30 +5,35 @@ describe SidekiqHelper do
     it 'parses line with time' do
       line = '55137	10,0	2,1	S+	2:30pm	sidekiq 4.1.4 gitlab [0 of 25 busy]   '
       parts = helper.parse_sidekiq_ps(line)
+
       expect(parts).to eq(['55137', '10,0', '2,1', 'S+', '2:30pm', 'sidekiq 4.1.4 gitlab [0 of 25 busy]'])
     end
 
     it 'parses line with date' do
       line = '55137	10,0	2,1	S+	Aug 4	sidekiq 4.1.4 gitlab [0 of 25 busy]   '
       parts = helper.parse_sidekiq_ps(line)
+
       expect(parts).to eq(['55137', '10,0', '2,1', 'S+', 'Aug 4', 'sidekiq 4.1.4 gitlab [0 of 25 busy]'])
     end
 
     it 'parses line with two digit date' do
       line = '55137	10,0	2,1	S+	Aug 04	sidekiq 4.1.4 gitlab [0 of 25 busy]   '
       parts = helper.parse_sidekiq_ps(line)
+
       expect(parts).to eq(['55137', '10,0', '2,1', 'S+', 'Aug 04', 'sidekiq 4.1.4 gitlab [0 of 25 busy]'])
     end
 
     it 'parses line with dot as float separator' do
       line = '55137	10.0	2.1	S+	2:30pm	sidekiq 4.1.4 gitlab [0 of 25 busy]   '
       parts = helper.parse_sidekiq_ps(line)
+
       expect(parts).to eq(['55137', '10.0', '2.1', 'S+', '2:30pm', 'sidekiq 4.1.4 gitlab [0 of 25 busy]'])
     end
 
     it 'does fail gracefully on line not matching the format' do
       line = '55137	10.0	2.1	S+	2:30pm	something'
       parts = helper.parse_sidekiq_ps(line)
+
       expect(parts).to eq(['?', '?', '?', '?', '?', '?'])
     end
   end