[rubygems/rubygems] Bundler::YAMLSerializer.load couldn't raise error when invalid yaml was provided

https://github.com/rubygems/rubygems/commit/cfcfde04c7

lib/rubygems/config_file.rb

@@ -521,12 +521,11 @@ if you believe they were disclosed to a third party.
     Bundler::YAMLSerializer.dump(content)
   end
 
-  def self.load_with_rubygems_config_hash(hash)
+  def self.load_with_rubygems_config_hash(yaml)
     require "bundler/yaml_serializer"
 
-    content = Bundler::YAMLSerializer.load(hash)
+    content = Bundler::YAMLSerializer.load(yaml)
 
-    if content.is_a? Hash
     content.transform_keys! do |k|
       if k.match?(/\A:(.*)\Z/)
         k[1..-1].to_sym
@@ -562,10 +561,6 @@ if you believe they were disclosed to a third party.
     end
 
     content
-    else
-      warn "Failed to load #{filename} because it doesn't contain valid YAML hash"
-      {}
-    end
   end
 
   private

spec/bundler/bundler/friendly_errors_spec.rb

@@ -5,29 +5,6 @@ require "bundler/friendly_errors"
 require "cgi"
 
 RSpec.describe Bundler, "friendly errors" do
-  context "with invalid YAML in .gemrc" do
-    before do
-      File.open(home(".gemrc"), "w") do |f|
-        f.write "invalid: yaml: hah"
-      end
-    end
-
-    after do
-      FileUtils.rm(home(".gemrc"))
-    end
-
-    it "reports a relevant friendly error message" do
-      gemfile <<-G
-        source "#{file_uri_for(gem_repo1)}"
-        gem "rack"
-      G
-
-      bundle :install, :env => { "DEBUG" => "true" }
-
-      expect(err).to include("Failed to load #{home(".gemrc")}")
-    end
-  end
-
   it "calls log_error in case of exception" do
     exception = Exception.new
     expect(Bundler::FriendlyErrors).to receive(:exit_status).with(exception).and_return(1)

test/rubygems/test_gem_config_file.rb

@@ -465,21 +465,6 @@ if you believe they were disclosed to a third party.
     assert_equal %w[http://even-more-gems.example.com], Gem.sources
   end
 
-  def test_ignore_invalid_config_file
-    File.open @temp_conf, "w" do |fp|
-      fp.puts "invalid: yaml:"
-    end
-
-    begin
-      verbose = $VERBOSE
-      $VERBOSE = nil
-
-      util_config_file
-    ensure
-      $VERBOSE = verbose
-    end
-  end
-
   def test_load_ssl_verify_mode_from_config
     File.open @temp_conf, "w" do |fp|
       fp.puts ":ssl_verify_mode: 1"