jrafanie’s gists

jrafanie / inline_rails_server.rb

Last active April 7, 2016 14:53

puma 3.0.0+ resets proctitle in rails server

	begin
	require 'bundler/inline'
	rescue LoadError => e
	$stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
	raise e
	end

	gemfile(true) do
	source 'https://rubygems.org'
	gem 'rails', github: 'rails/rails'

jrafanie / recreation_script.rb

Last active February 24, 2016 04:38

Uniqueness with an after_create that saves fails on rails master

	begin
	require 'bundler/inline'
	rescue LoadError => e
	$stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
	raise e
	end

	gemfile(true) do
	source 'https://rubygems.org'
	gem 'rails', github: 'rails/rails'

jrafanie / output.txt

Last active February 2, 2016 16:25

ruby Method#owner lies

	1.9.3
	ChildClass#f, owner: ParentClass, original_name:
	ParentClass#f, owner: ParentClass, original_name:
	ChildClass#g1, owner: GrandparentClass, original_name:
	ParentClass#g1, owner: GrandparentClass, original_name:
	ChildClass#g2, owner: ParentClass, original_name:
	ParentClass#g2, owner: ParentClass, original_name:


	2.0.0

jrafanie / cow_wat.rb

Last active January 22, 2016 22:32

Unexpected copy on write

	# From: http://stackoverflow.com/questions/30353272/garbage-collector-in-ruby-2-2-provokes-unexpected-cow
	# Modified to use rails and bundler/inline magic to load rails instead of creating a big object

	require 'bundler'
	begin
	require 'bundler/inline'
	rescue LoadError => e
	$stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
	raise e
	end

jrafanie / fork.rb

Last active January 15, 2016 15:21

Testing if Process.fork requires 4.2 ActiveRecord disconnect/reconnect before after fork

	puts "Parent: #{Process.pid} #{ActiveRecord::Base.connection_pool.connections.collect(&:spid)}"
	SchemaMigration.count

	# Place I thought we'd need to disconnect
	# ActiveRecord::Base.clear_all_connections!
	puts "Parent: #{Process.pid} #{ActiveRecord::Base.connection_pool.connections.collect(&:spid)}"

	10.times do
	pid = fork do
	puts "Child: #{Process.pid} #{ActiveRecord::Base.connection_pool.connections.collect(&:spid)}"

jrafanie / boom.rb

Last active December 18, 2015 16:58 — forked from tenderlove/boom.rb

minitest-stub_any_instance fails with ruby 2.3.0-preview2

	# Fork of the rspec boom.rb: https://gist.github.com/tenderlove/183d0d7244f2f2da32aa from https://github.com/rspec/rspec-mocks/issues/1042
	# This one is for minitest.
	# Run this with minitest/minitest-stub_any_instance, it will randomly fail in ruby 2.3.0-preview2 when the ".new" example runs last.
	# It passes if the stub any instance test method happens last with:
	#
	# Running
	# <UnboundMethod: SmallCircle(Circle)#area>
	# ..
	#
	# It fails with

jrafanie / rspec_mock_ruby23_wat.rb

Last active December 16, 2015 19:49

rspec any_instance doesn't rollback stub with ruby 2.3.0-preview2

	# Run this with rspec 2 or 3, it will randomly fail in ruby 2.3.0-preview2 when the ".new" example runs last.
	# It fails with
	# 1) SmallCircle .new
	# Failure/Error:
	# def area
	# super(2)
	#
	# ArgumentError:
	# wrong number of arguments (given 1, expected 0)
	# inline_spec.rb:23:in `area'

jrafanie / 2.3.0-preview2.txt

Created December 15, 2015 22:41

rspec-mocks at b94e242ebbc5 fails to redefine methods/super method in ruby 2.3-preview2

	05:29:41 ~/Code/rspec-mocks (master) (2.3.0-preview2) + be rake spec
	/Users/joerafaniello/.rubies/ruby-2.3.0-preview2/bin/ruby -w -I/Users/joerafaniello/Code/rspec-core/lib:/Users/joerafaniello/Code/rspec-support/lib /Users/joerafaniello/Code/rspec-core/exe/rspec --pattern spec/\\\{,/\/\\\}/\_spec.rb --color
	Run options:
	include {:focus=>true}
	exclude {:ordered_and_vague_counts_unsupported=>true}

	All examples were filtered out; ignoring {:focus=>true}

	Randomized with seed 438
	....................................................................................................................................................................................................................................................................................*...................................................................................................................................................................../Users/joerafaniello/Code/rspec-mocks/lib/rspec/mocks/method_double.rb:63: warning: metho

jrafanie / Lots of duplicate strings created in routing, rails 4-2-stable

Last active October 21, 2015 19:38

Lots of duplicate strings created in routing

	# Using rails 4.2.4 from git://github.com/jrafanie/rails.git (at naively_retain_separators)
	# Retained String count: 27681
	# Retained String memsize: 1165431

	# Using rails 4.2.4 from git://github.com/rails/rails.git (at 4-2-stable)
	# Retained String count: 29890
	# Retained String memsize: 1538153

jrafanie / run_refresh.rb

Last active October 14, 2015 19:26

Track allocations in ems refresh

	# How to run:
	# bundle exec evm:db:reset > /dev/null && bundle exec rails r setup_ems.rb && bundle exec rails r run_refresh.rb

	def miq_trace(description = "")
	require 'allocation_tracer'

	ObjectSpace::AllocationTracer.setup(%i{type class})
	result = ObjectSpace::AllocationTracer.trace do
	yield
	nil

Joe Rafaniello jrafanie