lib/peddler/vcr_matcher.rb in peddler-1.2.0 vs lib/peddler/vcr_matcher.rb in peddler-1.3.0

@@ -1,21 +1,23 @@
 module Peddler
+  # A custom matcher that can be used to record MWS interactions when
+  # integration-testing
   class VCRMatcher
     TRANSIENT_PARAMS = %w(
       Signature Timestamp StartDate CreatedAfter QueryStartDateTime
-    )
+    ).freeze
 
     SELLER_PARAMS = %w(
       AWSAccessKeyId SellerId
-    )
+    ).freeze
 
     class << self
       def call(*requests)
         new(*requests).compare
       end
 
       def ignored_params
-        @ignored_params ||= TRANSIENT_PARAMS
+        @ignored_params ||= TRANSIENT_PARAMS.dup
       end
 
       def ignore_seller!
         ignored_params.concat(SELLER_PARAMS)
       end