Reporting folder_privacy violation

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    pack_stats (0.2.0)
+    pack_stats (0.2.1)
       code_ownership
       code_teams
       dogapi

lib/pack_stats/private/metrics/packwerk_checker_usage.rb

@@ -38,6 +38,7 @@ def violation_type_tag
         CHECKERS = T.let([
           PackwerkChecker.new(key: 'enforce_dependencies', violation_type: 'dependency', direction: Direction::Outbound),
           PackwerkChecker.new(key: 'enforce_privacy', violation_type: 'privacy', direction: Direction::Inbound),
+          PackwerkChecker.new(key: 'enforce_folder_privacy', violation_type: 'folder_privacy', direction: Direction::Inbound),
           PackwerkChecker.new(key: 'enforce_layers', violation_type: 'layer', direction: Direction::Outbound),
           PackwerkChecker.new(key: 'enforce_visibility', violation_type: 'visibility', direction: Direction::Outbound),
         ], T::Array[PackwerkChecker])

pack_stats.gemspec

@@ -1,6 +1,6 @@
 Gem::Specification.new do |spec|
   spec.name          = 'pack_stats'
-  spec.version       = '0.2.0'
+  spec.version       = '0.2.1'
   spec.authors       = ['Gusto Engineers']
   spec.email         = ['dev@gusto.com']
 

spec/pack_stats_spec.rb

@@ -142,7 +142,7 @@ module PackStats # rubocop:disable RSpec/DescribedClassModuleWrapping
         end
       end
 
-      context 'in app that does not use package protectiosn with a simple package owned by one team' do
+      context 'in app that does not use package protection with a simple package owned by one team' do
         include_context 'only one team'
 
         before do
@@ -981,7 +981,7 @@ module PackStats # rubocop:disable RSpec/DescribedClassModuleWrapping
           expect(metrics).to include_metric GaugeMetric.new(name: 'modularization.by_package.public_files.count', count: 0, tags: Tags.for(['package:packs/only_package', 'app:MyApp', 'team:Unknown', 'max_enforcements:true']))        end
       end
 
-      context 'in app with architectural enforcements' do
+      context 'in app with layer enforcements' do
         before do
           write_file('config/teams/Foo Team.yml', <<~CONTENTS)
             name: Foo Team
@@ -1048,6 +1048,53 @@ module PackStats # rubocop:disable RSpec/DescribedClassModuleWrapping
           expect(metrics).to include_metric GaugeMetric.for('by_team.violations.by_other_team.count', 1, Tags.for(['app:MyApp', 'team:Bar Team', 'other_team:Foo Team', 'violation_type:visibility']))
         end
       end
+
+      context 'in app with folder_privacy enforcements' do
+        before do
+          write_file('config/teams/Foo Team.yml', <<~CONTENTS)
+            name: Foo Team
+          CONTENTS
+
+          write_file('config/teams/Bar Team.yml', <<~CONTENTS)
+            name: Bar Team
+          CONTENTS
+
+          write_file('packs/my_pack/package.yml', <<~CONTENTS)
+            enforce_dependencies: false
+            enforce_privacy: false
+            enforce_folder_privacy: true
+            enforce_visibility: true
+            layer: utilities
+            metadata:
+              owner: Bar Team
+          CONTENTS
+
+          write_file('packs/other_pack/package.yml', <<~CONTENTS)
+            enforce_dependencies: false
+            metadata:
+              owner: Foo Team
+          CONTENTS
+
+          write_file('packs/my_pack/package_todo.yml', <<~CONTENTS)
+            ---
+            packs/other_pack:
+              "SomeConstant":
+                violations:
+                - folder_privacy
+                - visibility
+                files:
+                - some_file.rb
+          CONTENTS
+
+        end
+
+        it 'emits the right metrics' do
+          expect(metrics).to include_metric GaugeMetric.for('all_packages.packwerk_checkers.strict.count', 0, Tags.for(['app:MyApp', 'violation_type:folder_privacy']))
+          expect(metrics).to include_metric GaugeMetric.for('all_packages.packwerk_checkers.true.count', 1, Tags.for(['app:MyApp', 'violation_type:folder_privacy']))
+          expect(metrics).to include_metric GaugeMetric.for('all_packages.violations.count', 1, Tags.for(['app:MyApp', 'violation_type:folder_privacy']))
+          expect(metrics).to include_metric GaugeMetric.for('by_team.violations.count', 1, Tags.for(['app:MyApp', 'team:Bar Team', 'violation_type:folder_privacy']))
+        end
+      end
     end
   end
 end