Validate Stripe subscription is paused and resumed successfully. Fixes …

…#991

lib/pay/stripe/subscription.rb

@@ -261,6 +261,8 @@ def paused?
  #
  # pause_behavior of `void` is considered active until the end of the current period and not active after that. The current_period_end is stored as `pause_starts_at`
  # Other pause_behaviors do not set `pause_starts_at` because they are used for offering free services
+ #
+ # https://docs.stripe.com/billing/subscriptions/pause-payment
  def pause(**options)
  attributes = {pause_collection: options.reverse_merge(behavior: "void")}
  @stripe_subscription = ::Stripe::Subscription.update(processor_id, attributes.merge(expand_options), stripe_options)
@@ -273,6 +275,8 @@ def pause(**options)
  end
 
  # Unpauses a subscription
+ #
+ # https://docs.stripe.com/billing/subscriptions/pause-payment#unpausing
  def unpause
  @stripe_subscription = ::Stripe::Subscription.update(processor_id, {pause_collection: ""}.merge(expand_options), stripe_options)
  pay_subscription.update(

test/pay/stripe/billable_test.rb

@@ -421,16 +421,20 @@ class Pay::Stripe::BillableTest < ActiveSupport::TestCase
  @pay_subscription = @pay_customer.subscribe(name: "default", plan: "small-monthly")
 
  @pay_subscription.pause(behavior: "void", resumes_at: 1.month.from_now.to_i)
-
  assert @pay_subscription.paused?
  assert_equal "void", @pay_subscription.pause_behavior
  assert @pay_subscription.pause_resumes_at > 21.days.from_now
 
- @pay_subscription.resume
+ # Ensure Stripe record is paused
+ assert_equal "void", @pay_subscription.processor_subscription.pause_collection.behavior
 
+ @pay_subscription.resume
  refute @pay_subscription.paused?
  assert_nil @pay_subscription.pause_behavior
  assert_nil @pay_subscription.pause_resumes_at
+
+ # Ensure Stripe record is unpaused
+ assert_nil @pay_subscription.processor_subscription.pause_collection
  end
  end