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authorMarc-Andre Lafortune <github@marc-andre.ca>2020-12-20 21:42:25 -0500
committerMarc-André Lafortune <github@marc-andre.ca>2020-12-23 01:08:38 -0500
commitc5a445d577b786e31c420b5857ad05b954b420ec (patch)
tree3aa3ed924d9cd166364f18469a5945dbbe441792 /test/psych
parent3ee0ad919034fbc098939979c872d041a82c4334 (diff)
[ruby/psych] Make Ractor-ready.
Config is Ractor-local. Benchmarking reveals that using `Ractor.local_storage` for storing cache is similar to accessing a constant (~15% slower).
Notes
Notes: Merged: https://github.com/ruby/ruby/pull/3953
Diffstat (limited to 'test/psych')
-rw-r--r--test/psych/test_ractor.rb47
1 files changed, 47 insertions, 0 deletions
diff --git a/test/psych/test_ractor.rb b/test/psych/test_ractor.rb
new file mode 100644
index 00000000000..90e40360c02
--- /dev/null
+++ b/test/psych/test_ractor.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+require_relative 'helper'
+
+class TestPsychRactor < Test::Unit::TestCase
+ def test_ractor_round_trip
+ assert_ractor(<<~RUBY, require_relative: 'helper')
+ obj = {foo: [42]}
+ obj2 = Ractor.new(obj) do |obj|
+ Psych.load(Psych.dump(obj))
+ end.take
+ assert_equal obj, obj2
+ RUBY
+ end
+
+ def test_not_shareable
+ # There's no point in making these frozen / shareable
+ # and the C-ext disregards begin frozen
+ assert_ractor(<<~RUBY, require_relative: 'helper')
+ parser = Psych::Parser.new
+ emitter = Psych::Emitter.new(nil)
+ assert_raise(Ractor::Error) { Ractor.make_shareable(parser) }
+ assert_raise(Ractor::Error) { Ractor.make_shareable(emitter) }
+ RUBY
+ end
+
+ def test_ractor_config
+ assert_ractor(<<~RUBY, require_relative: 'helper')
+ r = Ractor.new do
+ Psych.add_builtin_type 'omap' do |type, val|
+ val * 2
+ end
+ Psych.load('--- !!omap hello')
+ end.take
+ assert_equal 'hellohello', r
+ assert_equal 'hello', Psych.load('--- !!omap hello')
+ RUBY
+ end
+
+ def test_ractor_constants
+ assert_ractor(<<~RUBY, require_relative: 'helper')
+ r = Ractor.new do
+ Psych.libyaml_version.join('.') == Psych::LIBYAML_VERSION
+ end.take
+ assert_equal true, r
+ RUBY
+ end
+end