bootsnap/test/test_helper.rb

156 lines
3.5 KiB
Ruby

# frozen_string_literal: true
$LOAD_PATH.unshift(File.expand_path("../lib", __dir__))
if Warning.respond_to?(:[]=)
Warning[:deprecated] = true
end
require "bundler/setup"
require "bootsnap"
require "bootsnap/compile_cache/yaml"
require "bootsnap/compile_cache/json"
require "tmpdir"
require "fileutils"
require "minitest/autorun"
require "mocha/minitest"
cache_dir = File.expand_path("../tmp/bootsnap/compile-cache", __dir__)
Bootsnap::CompileCache.setup(cache_dir: cache_dir, iseq: true, yaml: false, json: false)
if GC.respond_to?(:verify_compaction_references)
# This method was added in Ruby 3.0.0. Calling it this way asks the GC to
# move objects around, helping to find object movement bugs.
begin
GC.verify_compaction_references(expand_heap: true, toward: :empty)
rescue NotImplementedError, ArgumentError
# some platforms do not support GC compaction
end
end
module TestHandler
def self.input_to_storage(_input, path)
"neato #{path}"
end
def self.storage_to_output(data, _kwargs)
data.upcase
end
def self.input_to_output(_data, _kwargs)
raise("but why tho")
end
end
module NullCache
def self.get(*)
end
def self.set(*)
end
def self.transaction(*)
yield
end
def self.fetch(*)
yield
end
end
module Minitest
class Test
module Help
class << self
def cache_path(dir, file, args_key = nil)
hash = fnv1a_64(file)
unless args_key.nil?
hash ^= fnv1a_64(args_key)
end
hex = hash.to_s(16).rjust(16, "0")
"#{dir}/#{hex[0..1]}/#{hex[2..]}"
end
def fnv1a_64(data)
hash = 0xcbf29ce484222325
data.bytes.each do |byte|
hash = hash ^ byte
hash = (hash * 0x100000001b3) % (2**64)
end
hash
end
def set_file(path, contents, mtime = nil)
FileUtils.mkdir_p(File.dirname(path))
File.write(path, contents)
FileUtils.touch(path, mtime: mtime) if mtime
path
end
end
end
end
end
module CompileCacheISeqHelper
def setup
unless defined?(Bootsnap::CompileCache::ISeq) && Bootsnap::CompileCache::ISeq.supported?
skip("Unsupported platform")
end
super
end
end
module LoadPathCacheHelper
def setup
skip("Unsupported platform") unless Bootsnap::LoadPathCache.supported?
super
end
end
module TmpdirHelper
def setup
super
@prev_dir = Dir.pwd
@tmp_dir = Dir.mktmpdir("bootsnap-test")
Dir.chdir(@tmp_dir)
if Bootsnap::CompileCache.supported?
set_compile_cache_dir(:ISeq, @tmp_dir)
set_compile_cache_dir(:YAML, @tmp_dir)
set_compile_cache_dir(:JSON, @tmp_dir)
end
end
def teardown
super
Dir.chdir(@prev_dir)
FileUtils.remove_entry(@tmp_dir)
if Bootsnap::CompileCache.supported?
restore_compile_cache_dir(:ISeq)
restore_compile_cache_dir(:YAML)
restore_compile_cache_dir(:JSON)
end
end
private
def restore_compile_cache_dir(mod_name)
prev = instance_variable_get("@prev_#{mod_name.downcase}")
# Restore directly to instance var to avoid duplication of suffix logic.
Bootsnap::CompileCache.const_get(mod_name).instance_variable_set(:@cache_dir, prev) if prev
end
def set_compile_cache_dir(mod_name, dir)
mod = Bootsnap::CompileCache.const_get(mod_name)
instance_variable_set("@prev_#{mod_name.downcase}", mod.cache_dir)
# Use setter method when setting to tmp dir.
mod.cache_dir = dir
end
end