API Updates

* Adds support for `simulate_increment`
* Adds support for `simulate_clearing`
* Adds support for `simulate_reversal`

lib/checkout_sdk/issuing/issuing_client.rb

@@ -14,6 +14,8 @@ class IssuingClient < Client
       CONTROLS = 'controls'
       SIMULATE = 'simulate'
       AUTHORIZATIONS = 'authorizations'
+      PRESENTMENTS = 'presentments'
+      REVERSALS = 'reversals'
       private_constant :ISSUING,
                        :CARDHOLDERS,
                        :CARDS,
@@ -24,7 +26,9 @@ class IssuingClient < Client
                        :SUSPEND,
                        :CONTROLS,
                        :SIMULATE,
-                       :AUTHORIZATIONS
+                       :AUTHORIZATIONS,
+                       :PRESENTMENTS,
+                       :REVERSALS
 
       # @param [ApiClient] api_client
       # @param [CheckoutConfiguration] configuration
@@ -127,6 +131,36 @@ def remove_card_control(control_id)
       def simulate_authorization(authorization_request)
         api_client.invoke_post(build_path(ISSUING, SIMULATE, AUTHORIZATIONS), sdk_authorization, authorization_request)
       end
+
+      # @param [String] transaction_id
+      # @param [Hash] increment_request
+      def simulate_increment(transaction_id, increment_request)
+        api_client.invoke_post(
+          build_path(ISSUING, SIMULATE, AUTHORIZATIONS, transaction_id, AUTHORIZATIONS),
+          sdk_authorization,
+          increment_request
+        )
+      end
+
+      # @param [String] transaction_id
+      # @param [Hash] clearing_request
+      def simulate_clearing(transaction_id, clearing_request)
+        api_client.invoke_post(
+          build_path(ISSUING, SIMULATE, AUTHORIZATIONS, transaction_id, PRESENTMENTS),
+          sdk_authorization,
+          clearing_request
+        )
+      end
+
+      # @param [String] transaction_id
+      # @param [Hash] reversal_request
+      def simulate_reversal(transaction_id, reversal_request)
+        api_client.invoke_post(
+          build_path(ISSUING, SIMULATE, AUTHORIZATIONS, transaction_id, REVERSALS),
+          sdk_authorization,
+          reversal_request
+        )
+      end
     end
   end
 end

spec/checkout_sdk/issuing/issuing_helper.rb

@@ -90,4 +90,25 @@ def create_control(card_id)
 
     control
   end
+
+  def simulate_transaction(card)
+    request = {
+      'card' => {
+        'id' => card.id,
+        'expiry_month' => card.expiry_month,
+        'expiry_year' => card.expiry_year
+      },
+      'transaction' => {
+        'type' => 'purchase',
+        'amount' => 100,
+        'currency' => CheckoutSdk::Common::Currency::GBP
+      }
+    }
+
+    auth = get_issuing_api.issuing.simulate_authorization request
+
+    assert_response auth
+
+    auth
+  end
 end

spec/checkout_sdk/issuing/testing_issuing_integration_spec.rb

@@ -7,25 +7,55 @@
     before(:all) do
       @cardholder = create_cardholder
       @card = create_card @cardholder.id, true
+      @transaction = simulate_transaction @card
     end
 
     describe '.simulate_authorization' do
       context 'when simulating authorization with valid card' do
         it { authorizes_transaction get_issuing_api.issuing.simulate_authorization get_authorization_request }
       end
     end
+
+    describe '.simulate_increment' do
+      context 'when simulating increment authorization with valid card' do
+        it { authorizes_transaction get_issuing_api.issuing.simulate_increment @transaction.id, { 'amount' => 300 } }
+      end
+    end
+
+    describe '.simulate_clearing' do
+      context 'when simulating a clearing of an existing transaction' do
+        it { authorizes_clearing get_issuing_api.issuing.simulate_clearing @transaction.id, { 'amount' => 100 } }
+      end
+    end
+
+    describe '.simulate_reversal' do
+      context 'when simulating a reversal of an existing transaction' do
+        it { reverses_transaction get_issuing_api.issuing.simulate_reversal @transaction.id, { 'amount' => 100 } }
+      end
+    end
   end
 end
 
 private
 
 def authorizes_transaction(response)
-  assert_response response, %w[id
-                               status]
+  assert_response response, %w[status]
 
   expect(response.status).to eq 'Authorized'
 end
 
+def authorizes_clearing(response)
+  assert_response response
+
+  expect(response.http_metadata.status_code).to eq 202
+end
+
+def reverses_transaction(response)
+  assert_response response, %w[status]
+
+  expect(response.status).to eq 'Reversed'
+end
+
 def get_authorization_request
   {
     'card' => {