1 files changed, 18 insertions, 0 deletions
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index dbf05b7f004..576e4ae1d38 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -169,6 +169,24 @@ RSpec.configure do |config|
   end
 end
 
+# add simpler way to match asset paths containing digest strings
+RSpec::Matchers.define :match_asset_path do |expected|
+  match do |actual|
+    path = Regexp.escape(expected)
+    extname = Regexp.escape(File.extname(expected))
+    digest_regex = Regexp.new(path.sub(extname, "(?:-\\h+)?#{extname}") << '$')
+    digest_regex =~ actual
+  end
+
+  failure_message do |actual|
+    "expected that #{actual} would include an asset path for #{expected}"
+  end
+
+  failure_message_when_negated do |actual|
+    "expected that #{actual} would not include an asset path for  #{expected}"
+  end
+end
+
 FactoryGirl::SyntaxRunner.class_eval do
   include RSpec::Mocks::ExampleMethods
 end