feat: Amazon carrier account creation

CHANGELOG.md

@@ -8,6 +8,7 @@
   - `beta_referral_customer.create_bank_account_client_secret`
   - `referral_customer.add_credit_card_from_stripe`
   - `referral_customer.add_bank_account_from_stripe`
+- Routes `AmazonShippingAccount` to the proper create endpoint
 - Fixes error parsing
   - Allows for alternative format of `errors` field
   - Corrects available properties of an `EasyPostError` and `ApiError` (`code` and `field` removed from `EasyPostError`, `message` unfurled and explicitly added to `ApiError`)

lib/easypost/services/carrier_account.rb

@@ -3,6 +3,7 @@
 class EasyPost::Services::CarrierAccount < EasyPost::Services::Service
   CUSTOM_WORKFLOW_CARRIER_TYPES = %w[FedexAccount FedexSmartpostAccount].freeze
   UPS_OAUTH_CARRIER_ACCOUNT_TYPES = %w[UpsAccount UpsMailInnovationsAccount UpsSurepostAccount].freeze
+  CARRIER_ACCOUNT_TYPES_WITH_CUSTOM_OAUTH = %w[AmazonShippingAccount].freeze
   MODEL_CLASS = EasyPost::Models::CarrierAccount # :nodoc:
 
   # Create a carrier account
@@ -15,6 +16,8 @@ def create(params = {})
                    'carrier_accounts/register'
                  elsif UPS_OAUTH_CARRIER_ACCOUNT_TYPES.include?(carrier_account_type)
                    'ups_oauth_registrations'
+                 elsif CARRIER_ACCOUNT_TYPES_WITH_CUSTOM_OAUTH.include?(carrier_account_type)
+                   'carrier_accounts/register_oauth'
                  else
                    'carrier_accounts'
                  end
@@ -63,6 +66,8 @@ def delete(id)
   def select_top_layer_key(carrier_account_type)
     if UPS_OAUTH_CARRIER_ACCOUNT_TYPES.include?(carrier_account_type)
       'ups_oauth_registrations'
+    elsif CARRIER_ACCOUNT_TYPES_WITH_CUSTOM_OAUTH.include?(carrier_account_type)
+      'carrier_account_oauth_registrations'
     else
       'carrier_account'
     end

spec/carrier_account_spec.rb

@@ -17,7 +17,7 @@
       client.carrier_account.delete(carrier_account.id)
     end
 
-    it 'creates an UPS account' do
+    it 'creates a UPS account' do
       carrier_account = client.carrier_account.create({ type: 'UpsAccount', account_number: '123456789' })
 
       expect(carrier_account).to be_an_instance_of(EasyPost::Models::CarrierAccount)
@@ -28,15 +28,28 @@
       client.carrier_account.delete(carrier_account.id)
     end
 
-    it 'sends FedexAccount to the correct endpoint' do
-      allow(client).to receive(:make_request).with(
-        :post, 'carrier_accounts/register',
-        { carrier_account: { type: 'FedexAccount' } },
-      ).and_return({ 'id' => 'ca_123' })
+    it 'creates a FedEx account' do
+      expect {
+        client.carrier_account.create({ type: 'FedexAccount', registration_data: {} })
+      }.to raise_error(EasyPost::Errors::ApiError) { |error|
+        expect(error.status_code).to eq(422)
+        expect(
+          error.errors.any? do |err|
+            err['field'] == 'account_number' && err['message'] == 'must be present and a string'
+          end,
+        ).to be true
+      }
+    end
 
-      response = client.carrier_account.create(type: 'FedexAccount')
+    it 'creates an Amazon account' do
+      carrier_account = client.carrier_account.create({ type: 'AmazonShippingAccount', account_number: '123456789' })
 
-      expect(response['id']).to eq('ca_123')
+      expect(carrier_account).to be_an_instance_of(EasyPost::Models::CarrierAccount)
+      expect(carrier_account.id).to match('ca_')
+      expect(carrier_account.type).to eq('AmazonShippingAccount')
+
+      # Remove the carrier account once we have tested it so we don't pollute the account with test accounts
+      client.carrier_account.delete(carrier_account.id)
     end
   end