Add response status in error message

Author: gcatanese

lib/adyen/client.rb

@@ -227,7 +227,7 @@ def call_adyen_api(service, action, request_data, headers, version, _with_applic
       when 422
         raise Adyen::ValidationError.new('Validation error', request_data, response.body)
       when 500..599
-        raise Adyen::ServerError.new('Internal server error', request_data, response.body)
+        raise Adyen::ServerError.new("Internal server error - status #{response.status}", request_data, response.body)
       end
 
       # delete has no response.body (unless it throws an error)

spec/client_spec.rb

@@ -352,5 +352,27 @@
       expect(error.response[:errorCode]).to eq('30_011')
     end
   end
-  
+
+  it 'raises FormatError on 500 response and checks content' do
+    client = Adyen::Client.new(api_key: 'api_key', env: :test)
+    mock_faraday_connection = double(Faraday::Connection)
+    error_body = {
+      status: 500,
+      errorCode: "999",
+      message: "Unexpected error",
+      errorType: "server error"
+    }
+    mock_response = Faraday::Response.new(status: 500, body: error_body)
+
+    allow(Faraday).to receive(:new).and_return(mock_faraday_connection)
+    allow(mock_faraday_connection).to receive_message_chain(:headers, :[]=)
+    allow(mock_faraday_connection).to receive(:post).and_return(mock_response)
+
+    expect {
+      client.checkout.payments_api.payments({})
+    }.to raise_error(Adyen::ServerError) do |error|
+      expect(error.code).to eq(500)
+      expect(error.msg).to eq('Internal server error - status 500')
+    end
+  end
 end