Parse workflow's branch filters as strings

src/api/app/models/workflow.rb

@@ -104,15 +104,23 @@ def event_matches_event_filter?
   def branch_matches_branches_filter?
     return true unless supported_filters.key?(:branches)
 
-    branches_only = filters[:branches].fetch(:only, [])
-    branches_ignore = filters[:branches].fetch(:ignore, [])
+    return true if branch_matches_branches_only_filter?
 
-    return true if branches_only.present? && branches_only.include?(workflow_run.target_branch)
-    return true if branches_ignore.present? && branches_ignore.exclude?(workflow_run.target_branch)
+    return true if branch_matches_branches_ignore_filter?
 
     false
   end
 
+  def branch_matches_branches_only_filter?
+    branches_only = filters[:branches].fetch(:only, []).map(&:to_s)
+    branches_only.present? && branches_only.include?(workflow_run.target_branch)
+  end
+
+  def branch_matches_branches_ignore_filter?
+    branches_ignore = filters[:branches].fetch(:ignore, []).map(&:to_s)
+    branches_ignore.present? && branches_ignore.exclude?(workflow_run.target_branch)
+  end
+
   # rubocop:disable Metrics/CyclomaticComplexity
   # Execute only if labeled or unlabeled
   def label_matches_labels_filter?

src/api/spec/fixtures/files/request_payload_github_pull_request_opened.json

@@ -5,7 +5,7 @@
     "number": 1,
     "html_url": "http://github.com/something",
     "base": {
-      "ref": "master",
+      "ref": "16.0",
       "repo": {
         "full_name": "openSUSE/repo123"
       }

src/api/spec/models/workflow_spec.rb

@@ -204,7 +204,7 @@
     context 'when the webhook event is against one of the branches in the branches/only filters' do
       let(:yaml) do
         { 'steps' => [{ 'branch_package' => { 'source_project' => 'test-project', 'source_package' => 'test-package' } }],
-          'filters' => { 'branches' => { 'only' => %w[master develop] } } }
+          'filters' => { 'branches' => { 'only' => [16.0, 'develop'] } } }
       end
       let(:request_payload) { file_fixture('request_payload_github_pull_request_opened.json').read }
       let!(:workflow_run) { create(:workflow_run, scm_vendor: 'github', hook_event: 'pull_request', hook_action: 'opened', token: token, request_payload: request_payload) }