Added Rate Limit error

lib/faraday/raise_http_exception.rb

@@ -14,6 +14,7 @@ def call(env)
  when 401 ; raise Postmates::Unauthorized, msg
  when 403 ; raise Postmates::Forbidden, msg
  when 404 ; raise Postmates::NotFound, msg
+ when 429 ; raise Postmates::RateLimit, msg
  when 500 ; raise Postmates::InternalServerError, msg
  when 503 ; raise Postmates::ServiceUnavailable, msg
  end
@@ -25,4 +26,4 @@ def initialize(app)
  @parser = nil
  end
  end
-end
+end

lib/postmates/error.rb

@@ -4,6 +4,7 @@ class BadRequest < Error; end # 400
  class Unauthorized < Error; end # 401
  class Forbidden < Error; end # 403
  class NotFound < Error; end # 404
+ class RateLimit < Error; end # 429
  class InternalServerError < Error; end # 500
  class ServiceUnavailable < Error; end # 503
-end
+end

spec/error_spec.rb

@@ -55,6 +55,23 @@
  end
  end
 
+ describe 'rate limit reached' do
+ before do
+ 50.times do
+ stub_post(path_to('deliveries'),
+ params.merge(response_code: 400,
+ returns: 'invalid_params.json'))
+ end
+ stub_get(path_to('deliveries'),
+ response_code: 429, returns: 'rate_limit.json')
+ end
+
+ it 'raises Postmates::RateLimit' do
+ expect { client.list ) }
+ .to raise_error Postmates::RateLimit
+ end
+ end
+
  describe 'when there is a problem processing the request' do
  before do
  stub_get(path_to('deliveries'),
@@ -79,4 +96,4 @@
  end
  end
  end
-end
+end

spec/fixtures/rate_limit.json

@@ -0,0 +1,5 @@
+{
+ "kind": "error",
+ "code": "rate_limit_exceeded",
+ "message": "You are attempting to exceed our rate limit"
+}