Add specs for MembershipAppPolicy

spec/policies/membership_app_policy_spec.rb

@@ -3,5 +3,37 @@
 require 'rails_helper'
 
 RSpec.describe MembershipAppPolicy do
-  pending "add some examples to (or delete) #{__FILE__}"
+  subject { described_class.new account, record }
+
+  let :resolved_scope do
+    described_class::Scope.new(account, MembershipApp.all).resolve
+  end
+
+  let(:record) { create :membership_app, account: owner }
+
+  let!(:owner_record) { create :membership_app, account: owner }
+  let!(:other_record) { create :membership_app }
+
+  let(:owner) { create %i[guest_account usual_account].sample }
+
+  let(:account) { owner }
+
+  context 'when owner is authenticated' do
+    it { is_expected.to permit_action :show }
+    it { is_expected.to permit_new_and_create_actions }
+
+    it { is_expected.to forbid_actions %i[index destroy] }
+    it { is_expected.to forbid_edit_and_update_actions }
+
+    specify { expect(resolved_scope).to be_empty }
+  end
+
+  for_account_types nil, :guest, :usual, :superuser do
+    it { is_expected.to permit_new_and_create_actions }
+
+    it { is_expected.to forbid_actions %i[index show destroy] }
+    it { is_expected.to forbid_edit_and_update_actions }
+
+    specify { expect(resolved_scope).to be_empty }
+  end
 end