Add support for Mandate (#879)

.travis.yml

@@ -16,7 +16,7 @@ sudo: false
 env:
   global:
     # If changing this number, please also change it in `test/test_helper.rb`.
-    - STRIPE_MOCK_VERSION=0.63.0
+    - STRIPE_MOCK_VERSION=0.72.0
 
 cache:
   directories:

lib/stripe/object_types.rb

@@ -48,6 +48,7 @@ def self.object_names_to_classes
         Issuing::Dispute::OBJECT_NAME => Issuing::Dispute,
         Issuing::Transaction::OBJECT_NAME => Issuing::Transaction,
         LoginLink::OBJECT_NAME => LoginLink,
+        Mandate::OBJECT_NAME => Mandate,
         Order::OBJECT_NAME => Order,
         OrderReturn::OBJECT_NAME => OrderReturn,
         PaymentIntent::OBJECT_NAME => PaymentIntent,

lib/stripe/resources.rb

@@ -37,6 +37,7 @@
 require "stripe/resources/issuing/dispute"
 require "stripe/resources/issuing/transaction"
 require "stripe/resources/login_link"
+require "stripe/resources/mandate"
 require "stripe/resources/order"
 require "stripe/resources/order_return"
 require "stripe/resources/payment_intent"

lib/stripe/resources/mandate.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+module Stripe
+  class Mandate < APIResource
+    OBJECT_NAME = "mandate"
+  end
+end

test/stripe/mandate_test.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+require ::File.expand_path("../test_helper", __dir__)
+
+module Stripe
+  class MandateTest < Test::Unit::TestCase
+    should "be retrievable" do
+      schedule = Stripe::Mandate.retrieve("mandate_123")
+      assert_requested :get,
+                       "#{Stripe.api_base}/v1/mandates/mandate_123"
+      assert schedule.is_a?(Stripe::Mandate)
+    end
+  end
+end

test/test_helper.rb

@@ -16,7 +16,7 @@
 require ::File.expand_path("stripe_mock", __dir__)
 
 # If changing this number, please also change it in `.travis.yml`.
-MOCK_MINIMUM_VERSION = "0.63.0"
+MOCK_MINIMUM_VERSION = "0.72.0"
 MOCK_PORT = Stripe::StripeMock.start
 
 # Disable all real network connections except those that are outgoing to