Add age/expiry duration constants to BulkImport class (#32839)

spec/models/bulk_import_spec.rb

@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe BulkImport do
+  describe 'Associations' do
+    it { is_expected.to belong_to(:account).required }
+    it { is_expected.to have_many(:rows).class_name('BulkImportRow').inverse_of(:bulk_import).dependent(:delete_all) }
+  end
+
+  describe 'Validations' do
+    subject { Fabricate.build :bulk_import }
+
+    it { is_expected.to validate_presence_of(:type) }
+  end
+
+  describe 'Scopes' do
+    describe '.archival_completed' do
+      let!(:old_import) { Fabricate :bulk_import, created_at: 1.month.ago }
+      let!(:new_import) { Fabricate :bulk_import, created_at: 1.day.ago }
+
+      it 'returns imports which have passed the archive window period' do
+        expect(described_class.archival_completed)
+          .to include(old_import)
+          .and not_include(new_import)
+      end
+    end
+
+    describe '.confirmation_missed' do
+      let!(:old_unconfirmed_import) { Fabricate :bulk_import, created_at: 1.week.ago, state: :unconfirmed }
+      let!(:old_scheduled_import) { Fabricate :bulk_import, created_at: 1.week.ago, state: :scheduled }
+      let!(:new_unconfirmed_import) { Fabricate :bulk_import, created_at: 1.minute.ago, state: :unconfirmed }
+
+      it 'returns imports which have passed the confirmation window without confirming' do
+        expect(described_class.confirmation_missed)
+          .to include(old_unconfirmed_import)
+          .and not_include(old_scheduled_import)
+          .and not_include(new_unconfirmed_import)
+      end
+    end
+  end
+end