Avoid double render error

[rails.git] / test / unit / short_link_test.rb

diff --git a/test/unit/short_link_test.rb b/test/unit/short_link_test.rb
index bbae95106cfd0bfd281f08469852a415f155b5a1..cdc6b3cfd800bd17fec6691f9a52a8bc7407c555 100644 (file)
--- a/test/unit/short_link_test.rb
+++ b/test/unit/short_link_test.rb
@@ -23,4 +23,19 @@ class ShortLinkTest < ActiveSupport::TestCase
       assert max_distance > distance, "Maximum expected error exceeded: #{max_distance} <= #{distance} for (#{lat}, #{lon}, #{zoom})."
     end
   end
+
+  ##
+  # test that links are backwards-compatible, so any old links with 
+  # the deprecated @ characters in them still work properly.
+  def test_deprecated_at_sign
+    cases = [["~v2juONc--", "@v2juONc--"],
+             ["as3I3GpG~-", "as3I3GpG@-"], 
+             ["D~hV--",     "D@hV--"], 
+             ["CO0O~m8--",  "CO0O@m8--"]]
+
+    cases.each do |new_code, old_code|
+      assert_equal ShortLink.decode(old_code), ShortLink.decode(new_code), 
+        "old (#{old_code}) and new (#{new_code}) should decode to the same location."
+    end
+  end
 end