spec/models/tang/plan_spec.rb in tang-0.0.1 vs spec/models/tang/plan_spec.rb in tang-0.0.8

@@ -1,7 +1,53 @@
 require 'rails_helper'
 
 module Tang
   RSpec.describe Plan, type: :model do
-    pending "add some examples to (or delete) #{__FILE__}"
+    let(:stripe_helper) { StripeMock.create_test_helper }
+    before { StripeMock.start }
+    after { StripeMock.stop }
+
+    it "has a valid factory" do
+      expect(FactoryBot.create(:plan)).to be_valid
+    end
+
+    it "is invalid without a stripe id" do
+      expect(FactoryBot.build(:plan, stripe_id: nil)).to be_invalid
+    end
+
+    it "is invalid without a name" do
+      expect(FactoryBot.build(:plan, name: nil)).to be_invalid
+    end
+
+    it "is invalid without an amount" do
+      expect(FactoryBot.build(:plan, amount: nil)).to be_invalid
+    end
+
+    it "is invalid without a currency" do
+      expect(FactoryBot.build(:plan, currency: nil)).to be_invalid
+    end
+
+    it "is invalid without an interval" do
+      expect(FactoryBot.build(:plan, interval: nil)).to be_invalid
+    end
+
+    it "calculates period days for a day interval" do
+      now = Time.now
+      expect(FactoryBot.build(:plan, interval: 'day').period_days_from(now)).to eq(now + 1.day)
+    end
+
+    it "calculates period days for a week interval" do
+      now = Time.now
+      expect(FactoryBot.build(:plan, interval: 'week').period_days_from(now)).to eq(now + 1.week)
+    end
+
+    it "calculates period days for a month interval" do
+      now = Time.now
+      expect(FactoryBot.build(:plan, interval: 'month').period_days_from(now)).to eq(now + 1.month)
+    end
+
+    it "calculates period days for a year interval" do
+      now = Time.now
+      expect(FactoryBot.build(:plan, interval: 'year').period_days_from(now)).to eq(now + 1.year)
+    end
   end
 end