1 files changed, 40 insertions, 0 deletions
diff --git a/spec/migrations/update_application_settings_container_registry_exp_pol_worker_capacity_default_spec.rb b/spec/migrations/update_application_settings_container_registry_exp_pol_worker_capacity_default_spec.rb
new file mode 100644
index 00000000000..842456089fe
--- /dev/null
+++ b/spec/migrations/update_application_settings_container_registry_exp_pol_worker_capacity_default_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe UpdateApplicationSettingsContainerRegistryExpPolWorkerCapacityDefault do
+  let(:settings) { table(:application_settings) }
+
+  context 'with no rows in the application_settings table' do
+    it 'does not insert a row' do
+      expect { migrate! }.to not_change { settings.count }
+    end
+  end
+
+  context 'with a row in the application_settings table' do
+    before do
+      settings.create!(container_registry_expiration_policies_worker_capacity: capacity)
+    end
+
+    context 'with container_registry_expiration_policy_worker_capacity set to a value different than 0' do
+      let(:capacity) { 1 }
+
+      it 'does not update the row' do
+        expect { migrate! }
+          .to not_change { settings.count }
+          .and not_change { settings.first.container_registry_expiration_policies_worker_capacity }
+      end
+    end
+
+    context 'with container_registry_expiration_policy_worker_capacity set to 0' do
+      let(:capacity) { 0 }
+
+      it 'updates the existing row' do
+        expect { migrate! }
+          .to not_change { settings.count }
+          .and change { settings.first.container_registry_expiration_policies_worker_capacity }.from(0).to(4)
+      end
+    end
+  end
+end