Fix missing function when moving metrics from pool_manager to api/v1

Fix dependency function component_to_test for jenkins metrics that was not copied from pool_manager to api/v1 in https://github.com/puppetlabs/vmpooler/pull/455

lib/vmpooler/api/v1.rb

@@ -236,6 +236,18 @@ module Vmpooler
       result
     end
 
+    def component_to_test(match, labels_string)
+      return if labels_string.nil?
+
+      labels_string_parts = labels_string.split(',')
+      labels_string_parts.each do |part|
+        key, value = part.split('=')
+        next if value.nil?
+        return value if key == match
+      end
+      'none'
+    end
+
     def update_user_metrics(operation, vmname)
       backend.multi
       backend.hget("vmpooler__vm__#{vmname}", 'tag:jenkins_build_url')

lib/vmpooler/pool_manager.rb

@@ -478,18 +478,6 @@ module Vmpooler
       dereference_mutex(vm)
     end
 
-    def component_to_test(match, labels_string)
-      return if labels_string.nil?
-
-      labels_string_parts = labels_string.split(',')
-      labels_string_parts.each do |part|
-        key, value = part.split('=')
-        next if value.nil?
-        return value if key == match
-      end
-      'none'
-    end
-
     def purge_unused_vms_and_folders
       global_purge = $config[:config]['purge_unconfigured_folders']
       providers = $config[:providers].keys

spec/unit/pool_manager_spec.rb

@@ -1062,43 +1062,6 @@ EOT
     end
   end
 
-  describe '#component_to_test' do
-    let(:matching_key) { 'LABEL_ONE' }
-    let(:matching_value) { 'test' }
-    let(:labels_string) { "#{matching_key}=#{matching_value},LABEL_TWO=test2,LABEL_THREE=test3" }
-    let(:nonmatrix_string) { 'test,stuff,and,things' }
-
-    context 'when string contains a matching key' do
-      it 'should print the corresponding value' do
-        expect(subject.component_to_test(matching_key, labels_string)).to eq(matching_value)
-      end
-
-      context 'when match contains no value' do
-        it 'should return none' do
-          expect(subject.component_to_test(matching_key, matching_key)).to eq('none')
-        end
-      end
-    end
-
-    context 'when string contains no key value pairs' do
-      it 'should return' do
-        expect(subject.component_to_test(matching_key, nonmatrix_string)).to eq('none')
-      end
-    end
-
-    context 'when labels_string is a job number' do
-      it 'should return nil' do
-        expect(subject.component_to_test(matching_key, '25')).to eq('none')
-      end
-    end
-
-    context 'when labels_string is nil' do
-      it 'should return nil' do
-        expect(subject.component_to_test(matching_key, nil)).to be nil
-      end
-    end
-  end
-
   describe '#purge_unused_vms_and_folders' do
     let(:config) { YAML.load(<<-EOT
 ---