Add SubscriptionPromotionRule

This is a promotion for targeting orders and line items which have
associated subscription line items

1 files changed, 48 insertions, 0 deletions

diff --git a/spec/models/solidus_subscriptions/subscription_promotion_rule_spec.rb b/spec/models/solidus_subscriptions/subscription_promotion_rule_spec.rb
new file mode 100644
index 0000000..a2ce07e
--- /dev/null
+++ b/spec/models/solidus_subscriptions/subscription_promotion_rule_spec.rb
@@ -0,0 +1,48 @@
+require 'rails_helper'
+
+RSpec.describe SolidusSubscriptions::SubscriptionPromotionRule 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 }
+    let(:order) { create(:order, line_items: line_items) }
+
+    context 'when the order contains a line item with a subscription' do
+      let(:line_items) { build_list(:line_item, 1, :with_subscription_line_items) }
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when the order contains a line item with a subscription' do
+      let(:line_items) { build_list(:line_item, 1) }
+      it { is_expected.to be_falsy }
+    end
+  end
+
+  describe '#actionable?' do
+    subject { rule.actionable? line_item }
+
+    context 'when the line item has a subscription' do
+      let(:line_item) { build_stubbed(:line_item, :with_subscription_line_items) }
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when the line item has no subscription' do
+      let(:line_item) { build_stubbed :line_item }
+      it { is_expected.to be_falsy }
+    end
+  end
+end