Improve app/policies coverage (#32426)

spec/policies/account_warning_policy_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe AccountWarningPolicy do
+  subject { described_class }
+
+  let(:admin) { Fabricate(:user, role: UserRole.find_by(name: 'Admin')).account }
+  let(:account) { Fabricate(:account) }
+
+  permissions :show? do
+    context 'with an admin' do
+      it { is_expected.to permit(admin, AccountWarning.new) }
+    end
+
+    context 'with a non-admin' do
+      context 'when account is not target' do
+        it { is_expected.to_not permit(account, AccountWarning.new) }
+      end
+
+      context 'when account is target' do
+        it { is_expected.to permit(account, AccountWarning.new(target_account_id: account.id)) }
+      end
+    end
+  end
+
+  permissions :appeal? do
+    context 'when account is not target' do
+      it { is_expected.to_not permit(account, AccountWarning.new) }
+    end
+
+    context 'when account is target' do
+      context 'when record is appealable' do
+        it { is_expected.to permit(account, AccountWarning.new(target_account_id: account.id, created_at: Appeal::MAX_STRIKE_AGE.ago + 1.hour)) }
+      end
+
+      context 'when record is not appealable' do
+        it { is_expected.to_not permit(account, AccountWarning.new(target_account_id: account.id, created_at: Appeal::MAX_STRIKE_AGE.ago - 1.hour)) }
+      end
+    end
+  end
+end