1 files changed, 112 insertions, 0 deletions
diff --git a/spec/bundler/support/artifice/helpers/endpoint.rb b/spec/bundler/support/artifice/helpers/endpoint.rb
new file mode 100644
index 0000000000..83ba1be0fc
--- /dev/null
+++ b/spec/bundler/support/artifice/helpers/endpoint.rb
@@ -0,0 +1,112 @@
+# frozen_string_literal: true
+
+require_relative "../../path"
+
+$LOAD_PATH.unshift(*Dir[Spec::Path.base_system_gem_path.join("gems/{mustermann,rack,tilt,sinatra,ruby2_keywords,base64}-*/lib")].map(&:to_s))
+
+require "sinatra/base"
+
+ALL_REQUESTS = [] # rubocop:disable Style/MutableConstant
+ALL_REQUESTS_MUTEX = Thread::Mutex.new
+
+at_exit do
+  if expected = ENV["BUNDLER_SPEC_ALL_REQUESTS"]
+    expected = expected.split("\n").sort
+    actual = ALL_REQUESTS.sort
+
+    unless expected == actual
+      raise "Unexpected requests!\nExpected:\n\t#{expected.join("\n\t")}\n\nActual:\n\t#{actual.join("\n\t")}"
+    end
+  end
+end
+
+class Endpoint < Sinatra::Base
+  def self.all_requests
+    @all_requests ||= []
+  end
+
+  set :raise_errors, true
+  set :show_exceptions, false
+
+  def call!(*)
+    super.tap do
+      ALL_REQUESTS_MUTEX.synchronize do
+        ALL_REQUESTS << @request.url
+      end
+    end
+  end
+
+  helpers do
+    include Spec::Path
+
+    def default_gem_repo
+      if ENV["BUNDLER_SPEC_GEM_REPO"]
+        Pathname.new(ENV["BUNDLER_SPEC_GEM_REPO"])
+      else
+        case request.host
+        when "gem.repo1"
+          Spec::Path.gem_repo1
+        when "gem.repo2"
+          Spec::Path.gem_repo2
+        when "gem.repo3"
+          Spec::Path.gem_repo3
+        when "gem.repo4"
+          Spec::Path.gem_repo4
+        else
+          Spec::Path.gem_repo1
+        end
+      end
+    end
+
+    def dependencies_for(gem_names, gem_repo = default_gem_repo)
+      return [] if gem_names.nil? || gem_names.empty?
+
+      all_specs = %w[specs.4.8 prerelease_specs.4.8].map do |filename|
+        Marshal.load(File.open(gem_repo.join(filename)).read)
+      end.inject(:+)
+
+      all_specs.map do |name, version, platform|
+        spec = load_spec(name, version, platform, gem_repo)
+        next unless gem_names.include?(spec.name)
+        {
+          name: spec.name,
+          number: spec.version.version,
+          platform: spec.platform.to_s,
+          dependencies: spec.runtime_dependencies.map do |dep|
+            [dep.name, dep.requirement.requirements.map {|a| a.join(" ") }.join(", ")]
+          end,
+        }
+      end.compact
+    end
+
+    def load_spec(name, version, platform, gem_repo)
+      full_name = "#{name}-#{version}"
+      full_name += "-#{platform}" if platform != "ruby"
+      Marshal.load(Bundler.rubygems.inflate(File.binread(gem_repo.join("quick/Marshal.4.8/#{full_name}.gemspec.rz"))))
+    end
+  end
+
+  get "/quick/Marshal.4.8/:id" do
+    redirect "/fetch/actual/gem/#{params[:id]}"
+  end
+
+  get "/fetch/actual/gem/:id" do
+    File.binread("#{default_gem_repo}/quick/Marshal.4.8/#{params[:id]}")
+  end
+
+  get "/gems/:id" do
+    File.binread("#{default_gem_repo}/gems/#{params[:id]}")
+  end
+
+  get "/api/v1/dependencies" do
+    Marshal.dump(dependencies_for(params[:gems]))
+  end
+
+  get "/specs.4.8.gz" do
+    File.binread("#{default_gem_repo}/specs.4.8.gz")
+  end
+
+  get "/prerelease_specs.4.8.gz" do
+    File.binread("#{default_gem_repo}/prerelease_specs.4.8.gz")
+  end
+end