[rubygems/rubygems] Extract matcher for slow perf spec

https://github.com/rubygems/rubygems/commit/1c0eb63c6a

1 files changed, 12 insertions, 0 deletions

diff --git a/spec/bundler/support/matchers.rb b/spec/bundler/support/matchers.rb
index ce6b216619..8b22e7dbc3 100644
--- a/spec/bundler/support/matchers.rb
+++ b/spec/bundler/support/matchers.rb
@@ -97,6 +97,18 @@ module Spec
       end
     end
 
+    RSpec::Matchers.define :take_less_than do |seconds|
+      match do |actual|
+        start_time = Time.now
+
+        actual.call
+
+        (Time.now - start_time).to_f < seconds
+      end
+
+      supports_block_expectations
+    end
+
     define_compound_matcher :read_as, [exist] do |file_contents|
       diffable