Merge Bundler 2.1.0.pre.1 as developed version from upstream.

  https://github.com/bundler/bundler/commit/a53709556b95a914e874b22ed2116a46b0528852

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67539 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 48 insertions, 0 deletions

diff --git a/spec/bundler/support/artifice/compact_index_rate_limited.rb b/spec/bundler/support/artifice/compact_index_rate_limited.rb
new file mode 100644
index 0000000000..d8f4fc941c
--- /dev/null
+++ b/spec/bundler/support/artifice/compact_index_rate_limited.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require File.expand_path("../compact_index", __FILE__)
+
+Artifice.deactivate
+
+class CompactIndexRateLimited < CompactIndexAPI
+  class RequestCounter
+    def self.queue
+      @queue ||= Queue.new
+    end
+
+    def self.size
+      @queue.size
+    end
+
+    def self.enq(name)
+      @queue.enq(name)
+    end
+
+    def self.deq
+      @queue.deq
+    end
+  end
+
+  configure do
+    RequestCounter.queue
+  end
+
+  get "/info/:name" do
+    RequestCounter.enq(params[:name])
+
+    begin
+      if RequestCounter.size == 1
+        etag_response do
+          gem = gems.find {|g| g.name == params[:name] }
+          CompactIndex.info(gem ? gem.versions : [])
+        end
+      else
+        status 429
+      end
+    ensure
+      RequestCounter.deq
+    end
+  end
+end
+
+Artifice.activate_with(CompactIndexRateLimited)