1 files changed, 37 insertions, 0 deletions
diff --git a/spec/lib/solidus_subscriptions/promotion/rules/subscription_installment_order_spec.rb b/spec/lib/solidus_subscriptions/promotion/rules/subscription_installment_order_spec.rb
new file mode 100644
index 0000000..d17fa61
--- /dev/null
+++ b/spec/lib/solidus_subscriptions/promotion/rules/subscription_installment_order_spec.rb
@@ -0,0 +1,37 @@
+require 'spec_helper'
+
+RSpec.describe SolidusSubscriptions::Promotion::Rules::SubscriptionInstallmentOrder do
+  let(:rule) { described_class.new }
+
+  describe '#applicable' do
+    subject { rule.applicable? promotable }
+
+    context 'when the promotable is a Spree::Order' do
+      let(:promotable) { build_stubbed :order }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when the promotable is not a Spree::Order' do
+      let(:promotable) { build_stubbed :line_item }
+
+      it { is_expected.to be_falsy }
+    end
+  end
+
+  describe '#eligible?' do
+    subject { rule.eligible? order }
+
+    context 'when the order fulfills a subscription installment' do
+      let(:order) { create(:order, subscription_order: true) }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when the order contains does not fulfill a subscription installment' do
+      let(:order) { create(:order) }
+
+      it { is_expected.to be_falsy }
+    end
+  end
+end