flexible billing primitives and tests

.rubocop_todo.yml

@@ -33,12 +33,12 @@ Metrics/LineLength:
 # Offense count: 32
 # Configuration parameters: CountComments.
 Metrics/MethodLength:
-  Max: 45
+  Max: 46
 
 # Offense count: 1
 # Configuration parameters: CountComments.
 Metrics/ModuleLength:
-  Max: 305
+  Max: 306
 
 # Offense count: 6
 # Configuration parameters: CountKeywordArgs.

lib/stripe.rb

@@ -76,6 +76,7 @@ require "stripe/three_d_secure"
 require "stripe/token"
 require "stripe/topup"
 require "stripe/transfer"
+require "stripe/usage_record"
 
 # OAuth
 require "stripe/oauth"

lib/stripe/usage_record.rb

@@ -0,0 +1,12 @@
+module Stripe
+  class UsageRecord < APIResource
+    def self.create(params = {}, opts = {})
+      raise(ArgumentError, "Params must have a subscription_item key") unless params.key?(:subscription_item)
+      req_params = params.clone.delete_if { |key, _value| key == :subscription_item }
+      resp, opts = request(:post, "/v1/subscription_items/#{params[:subscription_item]}/usage_records", req_params, opts)
+      Util.convert_to_stripe_object(resp.data, opts)
+    end
+
+    OBJECT_NAME = "usage_record".freeze
+  end
+end

lib/stripe/util.rb

@@ -85,6 +85,7 @@ module Stripe
         Token::OBJECT_NAME                => Token,
         Topup::OBJECT_NAME                => Topup,
         Transfer::OBJECT_NAME             => Transfer,
+        UsageRecord::OBJECT_NAME          => UsageRecord,
       }
     end
 

test/stripe/plan_test.rb

@@ -27,6 +27,46 @@ module Stripe
       assert plan.is_a?(Stripe::Plan)
     end
 
+    should "be creatable with metered configuration" do
+      plan = Stripe::Plan.create(
+        amount: 5000,
+        interval: "month",
+        name: "Sapphire elite",
+        currency: "usd",
+        id: "sapphire-elite",
+        usage_type: "metered"
+      )
+      assert_requested :post, "#{Stripe.api_base}/v1/plans"
+      assert plan.is_a?(Stripe::Plan)
+    end
+
+    should "be creatable with tiered configuration" do
+      plan = Stripe::Plan.create(
+        interval: "month",
+        name: "Sapphire elite",
+        currency: "usd",
+        id: "sapphire-elite",
+        billing_scheme: "tiered",
+        tiers_mode: "volume",
+        tiers: [{ up_to: 100, amount: 1000 }, { up_to: "inf", amount: 2000 }]
+      )
+      assert_requested :post, "#{Stripe.api_base}/v1/plans"
+      assert plan.is_a?(Stripe::Plan)
+    end
+
+    should "be creatable with transform_usage" do
+      plan = Stripe::Plan.create(
+        interval: "month",
+        name: "Sapphire elite",
+        currency: "usd",
+        id: "sapphire-elite",
+        amount: 5000,
+        transform_usage: { round: "up", divide_by: 50 }
+      )
+      assert_requested :post, "#{Stripe.api_base}/v1/plans"
+      assert plan.is_a?(Stripe::Plan)
+    end
+
     should "be saveable" do
       plan = Stripe::Plan.retrieve("sapphire-elite")
       plan.metadata["key"] = "value"

test/stripe/usage_record_test.rb

@@ -0,0 +1,26 @@
+require File.expand_path("../../test_helper", __FILE__)
+
+module Stripe
+  class UsageRecordTest < Test::Unit::TestCase
+    should "be creatable" do
+      usage_record = Stripe::UsageRecord.create(
+        quantity: 5000,
+        subscription_item: "si_abc",
+        timestamp: Time.now.to_i,
+        action: "increment"
+      )
+      assert_requested :post, "#{Stripe.api_base}/v1/subscription_items/si_abc/usage_records"
+      assert usage_record.is_a?(Stripe::UsageRecord)
+    end
+
+    should "raise when subscription_item is missing" do
+      assert_raise ArgumentError do
+        Stripe::UsageRecord.create(
+          quantity: 5000,
+          timestamp: Time.now.to_i,
+          action: "increment"
+        )
+      end
+    end
+  end
+end