1 files changed, 39 insertions, 0 deletions
diff --git a/spec/bundler/support/artifice/fail.rb b/spec/bundler/support/artifice/fail.rb
new file mode 100644
index 0000000000..1059c6df4e
--- /dev/null
+++ b/spec/bundler/support/artifice/fail.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+require "net/http"
+begin
+  require "net/https"
+rescue LoadError
+  nil # net/https or openssl
+end
+
+# We can't use artifice here because it uses rack
+
+module Artifice; end # for < 2.0, Net::HTTP::Persistent::SSLReuse
+
+class Fail < Net::HTTP
+  # Net::HTTP uses a @newimpl instance variable to decide whether
+  # to use a legacy implementation. Since we are subclassing
+  # Net::HTTP, we must set it
+  @newimpl = true
+
+  def request(req, body = nil, &block)
+    raise(exception(req))
+  end
+
+  # Ensure we don't start a connect here
+  def connect
+  end
+
+  def exception(req)
+    name = ENV.fetch("BUNDLER_SPEC_EXCEPTION") { "Errno::ENETUNREACH" }
+    const = name.split("::").reduce(Object) {|mod, sym| mod.const_get(sym) }
+    const.new("host down: Bundler spec artifice fail! #{req["PATH_INFO"]}")
+  end
+end
+
+# Replace Net::HTTP with our failing subclass
+::Net.class_eval do
+  remove_const(:HTTP)
+  const_set(:HTTP, ::Fail)
+end