Use stripe-ruby-mock.

Gemfile

@@ -16,6 +16,7 @@ group :development, :test do
   gem 'rake', '~> 10.4'
   gem 'rubocop', '0.34.2'
   gem 'foreman'
+  gem 'stripe-ruby-mock', require: 'stripe_mock'
 end
 
 group :development do

Gemfile.lock

@@ -31,6 +31,7 @@ GEM
       descendants_tracker (~> 0.0.4)
       ice_nine (~> 0.11.0)
       thread_safe (~> 0.3, >= 0.3.1)
+    blankslate (3.1.3)
     bson (4.1.1)
     builder (3.2.2)
     capybara (2.7.1)
@@ -67,6 +68,7 @@ GEM
       descendants_tracker (~> 0.0.1)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
+    dante (0.2.0)
     database_cleaner (1.5.3)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
@@ -141,6 +143,11 @@ GEM
       uri_template
     i18n (0.7.0)
     ice_nine (0.11.2)
+    jimson-temp (0.9.5)
+      blankslate (>= 3.1.2)
+      multi_json (~> 1.0)
+      rack (~> 1.4)
+      rest-client (~> 1.0)
     json (1.8.3)
     kaminari (0.17.0)
       actionpack (>= 3.0.0)
@@ -282,6 +289,10 @@ GEM
       websocket-driver
     stripe (1.43.1)
       rest-client (~> 1.4)
+    stripe-ruby-mock (2.2.3)
+      dante (>= 0.2.0)
+      jimson-temp
+      stripe (>= 1.31.0)
     thor (0.19.1)
     thread_safe (0.3.5)
     time_ago_in_words (0.1.1)
@@ -337,6 +348,7 @@ DEPENDENCIES
   selenium-webdriver
   slack-ruby-bot-server
   stripe
+  stripe-ruby-mock
   time_ago_in_words
   vcr
   wannabe_bool

spec/api/endpoints/subscriptions_endpoint_spec.rb

@@ -42,28 +42,25 @@
       end
     end
     context 'existing team' do
+      include_context :stripe_mock
       let!(:team) { Fabricate(:team) }
-      it 'creates a subscription' do
-        expect(Stripe::Customer).to receive(:create).with(
-          source: 'token',
-          plan: 'slack-playplay-yearly',
-          email: 'foo@bar.com',
-          metadata: {
-            id: team._id,
-            team_id: team.team_id,
-            name: team.name,
-            domain: team.domain
-          }
-        ).and_return('id' => 'customer_id')
+      before do
+        stripe_helper.create_plan(id: 'slack-playplay-yearly', amount: 2999)
         client.subscriptions._post(
           team_id: team._id,
-          stripe_token: 'token',
+          stripe_token: stripe_helper.generate_card_token,
           stripe_token_type: 'card',
           stripe_email: 'foo@bar.com'
         )
         team.reload
+      end
+      it 'creates a subscription' do
         expect(team.premium).to be true
-        expect(team.stripe_customer_id).to eq 'customer_id'
+        expect(team.stripe_customer_id).to_not be_blank
+        customer = Stripe::Customer.retrieve(team.stripe_customer_id)
+        expect(customer).to_not be nil
+        subscriptions = customer.subscriptions
+        expect(subscriptions.count).to eq 1
       end
     end
   end

spec/support/stripe.rb

@@ -1,3 +1,13 @@
+RSpec.shared_context :stripe_mock do
+  let(:stripe_helper) { StripeMock.create_test_helper }
+  before do
+    StripeMock.start
+  end
+  after do
+    StripeMock.stop
+  end
+end
+
 RSpec.configure do |config|
   config.before do
     allow(Stripe).to receive(:api_key).and_return('key')