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unit.rb
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unit.rb
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# frozen_string_literal: true
# Enable deprecation warnings for test-all, so deprecated methods/constants/functions are dealt with early.
Warning[:deprecated] = true
if ENV['BACKTRACE_FOR_DEPRECATION_WARNINGS']
Warning.extend Module.new {
def warn(message, category: nil, **kwargs)
if category == :deprecated and $stderr.respond_to?(:puts)
$stderr.puts nil, message, caller, nil
else
super
end
end
}
end
require_relative '../envutil'
require_relative '../colorize'
require_relative '../leakchecker'
require_relative '../test/unit/testcase'
require 'optparse'
# See Test::Unit
module Test
##
# Test::Unit is an implementation of the xUnit testing framework for Ruby.
module Unit
##
# Assertion base class
class AssertionFailedError < Exception; end
##
# Assertion raised when skipping a test
class PendedError < AssertionFailedError; end
module Order
class NoSort
def initialize(seed)
end
def sort_by_name(list)
list
end
alias sort_by_string sort_by_name
def group(list)
list
end
end
module RJITFirst
def group(list)
# RJIT first
rjit, others = list.partition {|e| /test_rjit/ =~ e}
rjit + others
end
end
class Alpha < NoSort
include RJITFirst
def sort_by_name(list)
list.sort_by(&:name)
end
def sort_by_string(list)
list.sort
end
end
# shuffle test suites based on CRC32 of their names
Shuffle = Struct.new(:seed, :salt) do
include RJITFirst
def initialize(seed)
self.class::CRC_TBL ||= (0..255).map {|i|
(0..7).inject(i) {|c,| (c & 1 == 1) ? (0xEDB88320 ^ (c >> 1)) : (c >> 1) }
}.freeze
salt = [seed].pack("V").unpack1("H*")
super(seed, "\n#{salt}".freeze).freeze
end
def sort_by_name(list)
list.sort_by {|e| randomize_key(e.name)}
end
def sort_by_string(list)
list.sort_by {|e| randomize_key(e)}
end
private
def crc32(str, crc32 = 0xffffffff)
crc_tbl = self.class::CRC_TBL
str.each_byte do |data|
crc32 = crc_tbl[(crc32 ^ data) & 0xff] ^ (crc32 >> 8)
end
crc32
end
def randomize_key(name)
crc32(salt, crc32(name)) ^ 0xffffffff
end
end
Types = {
random: Shuffle,
alpha: Alpha,
sorted: Alpha,
nosort: NoSort,
}
Types.default_proc = proc {|_, order|
raise "Unknown test_order: #{order.inspect}"
}
end
module RunCount # :nodoc: all
@@run_count = 0
def self.have_run?
@@run_count.nonzero?
end
def run(*)
@@run_count += 1
super
end
def run_once
return if have_run?
return if $! # don't run if there was an exception
yield
end
module_function :run_once
end
module Options # :nodoc: all
def initialize(*, &block)
@init_hook = block
@options = nil
super(&nil)
end
def option_parser
@option_parser ||= OptionParser.new
end
def process_args(args = [])
return @options if @options
orig_args = args.dup
options = {}
opts = option_parser
setup_options(opts, options)
opts.parse!(args)
orig_args -= args
args = @init_hook.call(args, options) if @init_hook
non_options(args, options)
@run_options = orig_args
order = options[:test_order]
if seed = options[:seed]
order ||= :random
elsif (order ||= :random) == :random
seed = options[:seed] = rand(0x10000)
orig_args.unshift "--seed=#{seed}"
end
Test::Unit::TestCase.test_order = order if order
order = Test::Unit::TestCase.test_order
@order = Test::Unit::Order::Types[order].new(seed)
@help = "\n" + orig_args.map { |s|
" " + (s =~ /[\s|&<>$()]/ ? s.inspect : s)
}.join("\n")
@options = options
end
private
def setup_options(opts, options)
opts.separator 'test-unit options:'
opts.on '-h', '--help', 'Display this help.' do
puts opts
exit
end
opts.on '-s', '--seed SEED', Integer, "Sets random seed" do |m|
options[:seed] = m.to_i
end
opts.on '-v', '--verbose', "Verbose. Show progress processing files." do
options[:verbose] = true
self.verbose = options[:verbose]
end
opts.on '-n', '--name PATTERN', "Filter test method names on pattern: /REGEXP/, !/REGEXP/ or STRING" do |a|
(options[:filter] ||= []) << a
end
orders = Test::Unit::Order::Types.keys
opts.on "--test-order=#{orders.join('|')}", orders do |a|
options[:test_order] = a
end
end
def non_options(files, options)
filter = options[:filter]
if filter
pos_pat = /\A\/(.*)\/\z/
neg_pat = /\A!\/(.*)\/\z/
negative, positive = filter.partition {|s| neg_pat =~ s}
if positive.empty?
filter = nil
elsif negative.empty? and positive.size == 1 and pos_pat !~ positive[0]
filter = positive[0]
unless /\A[A-Z]\w*(?:::[A-Z]\w*)*#/ =~ filter
filter = /##{Regexp.quote(filter)}\z/
end
else
filter = Regexp.union(*positive.map! {|s| Regexp.new(s[pos_pat, 1] || "\\A#{Regexp.quote(s)}\\z")})
end
unless negative.empty?
negative = Regexp.union(*negative.map! {|s| Regexp.new(s[neg_pat, 1])})
filter = /\A(?=.*#{filter})(?!.*#{negative})/
end
options[:filter] = filter
end
true
end
end
module Parallel # :nodoc: all
def process_args(args = [])
return @options if @options
options = super
if @options[:parallel]
@files = args
end
options
end
def non_options(files, options)
@jobserver = nil
makeflags = ENV.delete("MAKEFLAGS")
if !options[:parallel] and
/(?:\A|\s)--jobserver-(?:auth|fds)=(?:(\d+),(\d+)|fifo:((?:\\.|\S)+))/ =~ makeflags
begin
if fifo = $3
fifo.gsub!(/\\(?=.)/, '')
r = File.open(fifo, IO::RDONLY|IO::NONBLOCK|IO::BINARY)
w = File.open(fifo, IO::WRONLY|IO::NONBLOCK|IO::BINARY)
else
r = IO.for_fd($1.to_i(10), "rb", autoclose: false)
w = IO.for_fd($2.to_i(10), "wb", autoclose: false)
end
rescue
r.close if r
nil
else
r.close_on_exec = true
w.close_on_exec = true
@jobserver = [r, w]
options[:parallel] ||= 256 # number of tokens to acquire first
end
end
@worker_timeout = EnvUtil.apply_timeout_scale(options[:worker_timeout] || 180)
super
end
def status(*args)
result = super
raise @interrupt if @interrupt
result
end
private
def setup_options(opts, options)
super
opts.separator "parallel test options:"
options[:retry] = true
opts.on '-j N', '--jobs N', /\A(t)?(\d+)\z/, "Allow run tests with N jobs at once" do |_, t, a|
options[:testing] = true & t # For testing
options[:parallel] = a.to_i
end
opts.on '--worker-timeout=N', Integer, "Timeout workers not responding in N seconds" do |a|
options[:worker_timeout] = a
end
opts.on '--separate', "Restart job process after one testcase has done" do
options[:parallel] ||= 1
options[:separate] = true
end
opts.on '--retry', "Retry running testcase when --jobs specified" do
options[:retry] = true
end
opts.on '--no-retry', "Disable --retry" do
options[:retry] = false
end
opts.on '--ruby VAL', "Path to ruby which is used at -j option",
"Also used as EnvUtil.rubybin by some assertion methods" do |a|
options[:ruby] = a.split(/ /).reject(&:empty?)
end
opts.on '--timetable-data=FILE', "Path to timetable data" do |a|
options[:timetable_data] = a
end
end
class Worker
def self.launch(ruby,args=[])
scale = EnvUtil.timeout_scale
io = IO.popen([*ruby, "-W1",
"#{__dir__}/unit/parallel.rb",
*("--timeout-scale=#{scale}" if scale),
*args], "rb+")
new(io, io.pid, :waiting)
end
attr_reader :quit_called
attr_accessor :start_time
attr_accessor :response_at
attr_accessor :current
@@worker_number = 0
def initialize(io, pid, status)
@num = (@@worker_number += 1)
@io = io
@pid = pid
@status = status
@file = nil
@real_file = nil
@loadpath = []
@hooks = {}
@quit_called = false
@response_at = nil
end
def name
"Worker #{@num}"
end
def puts(*args)
@io.puts(*args)
end
def run(task,type)
@file = File.basename(task, ".rb")
@real_file = task
begin
puts "loadpath #{[Marshal.dump($:-@loadpath)].pack("m0")}"
@loadpath = $:.dup
puts "run #{task} #{type}"
@status = :prepare
@start_time = Time.now
@response_at = @start_time
rescue Errno::EPIPE
died
rescue IOError
raise unless /stream closed|closed stream/ =~ $!.message
died
end
end
def hook(id,&block)
@hooks[id] ||= []
@hooks[id] << block
self
end
def read
res = (@status == :quit) ? @io.read : @io.gets
@response_at = Time.now
res && res.chomp
end
def close
@io.close unless @io.closed?
self
rescue IOError
end
def quit
return if @io.closed?
@quit_called = true
@io.puts "quit"
rescue Errno::EPIPE => e
warn "#{@pid}:#{@status.to_s.ljust(7)}:#{@file}: #{e.message}"
end
def kill
Process.kill(:KILL, @pid)
rescue Errno::ESRCH
end
def died(*additional)
@status = :quit
@io.close
status = $?
if status and status.signaled?
additional[0] ||= SignalException.new(status.termsig)
end
call_hook(:dead,*additional)
end
def to_s
if @file and @status != :ready
"#{@pid}=#{@file}"
else
"#{@pid}:#{@status.to_s.ljust(7)}"
end
end
attr_reader :io, :pid
attr_accessor :status, :file, :real_file, :loadpath
private
def call_hook(id,*additional)
@hooks[id] ||= []
@hooks[id].each{|hook| hook[self,additional] }
self
end
end
def flush_job_tokens
if @jobserver
r, w = @jobserver.shift(2)
@jobserver = nil
w << @job_tokens.slice!(0..-1)
r.close
w.close
end
end
def after_worker_down(worker, e=nil, c=false)
return unless @options[:parallel]
return if @interrupt
flush_job_tokens
warn e if e
real_file = worker.real_file and warn "running file: #{real_file}"
@need_quit = true
warn ""
warn "A test worker crashed. It might be an interpreter bug or"
warn "a bug in test/unit/parallel.rb. Try again without the -j"
warn "option."
warn ""
if File.exist?('core')
require 'fileutils'
require 'time'
Dir.glob('/tmp/test-unit-core.*').each do |f|
if Time.now - File.mtime(f) > 7 * 24 * 60 * 60 # 7 days
warn "Deleting an old core file: #{f}"
FileUtils.rm(f)
end
end
core_path = "/tmp/test-unit-core.#{Time.now.utc.iso8601}"
warn "A core file is found. Saving it at: #{core_path.dump}"
FileUtils.mv('core', core_path)
cmd = ['gdb', RbConfig.ruby, '-c', core_path, '-ex', 'bt', '-batch']
p cmd # debugging why it's not working
system(*cmd)
end
STDERR.flush
exit c
end
def after_worker_quit(worker)
return unless @options[:parallel]
return if @interrupt
worker.close
if @jobserver and (token = @job_tokens.slice!(0))
@jobserver[1] << token
end
@workers.delete(worker)
@dead_workers << worker
@ios = @workers.map(&:io)
end
def launch_worker
begin
worker = Worker.launch(@options[:ruby], @run_options)
rescue => e
abort "ERROR: Failed to launch job process - #{e.class}: #{e.message}"
end
worker.hook(:dead) do |w,info|
after_worker_quit w
after_worker_down w, *info if !info.empty? && !worker.quit_called
end
@workers << worker
@ios << worker.io
@workers_hash[worker.io] = worker
worker
end
def delete_worker(worker)
@workers_hash.delete worker.io
@workers.delete worker
@ios.delete worker.io
end
def quit_workers(&cond)
return if @workers.empty?
closed = [] if cond
@workers.reject! do |worker|
next unless cond&.call(worker)
begin
Timeout.timeout(1) do
worker.quit
end
rescue Errno::EPIPE
rescue Timeout::Error
end
closed&.push worker
begin
Timeout.timeout(0.2) do
worker.close
end
rescue Timeout::Error
worker.kill
retry
end
@ios.delete worker.io
end
return if (closed ||= @workers).empty?
pids = closed.map(&:pid)
begin
Timeout.timeout(0.2 * closed.size) do
Process.waitall
end
rescue Timeout::Error
if pids
Process.kill(:KILL, *pids) rescue nil
pids = nil
retry
end
end
@workers.clear unless cond
closed
end
FakeClass = Struct.new(:name)
def fake_class(name)
(@fake_classes ||= {})[name] ||= FakeClass.new(name)
end
def deal(io, type, result, rep, shutting_down = false)
worker = @workers_hash[io]
cmd = worker.read
cmd.sub!(/\A\.+/, '') if cmd # read may return nil
case cmd
when ''
# just only dots, ignore
when /^okay$/
worker.status = :running
when /^ready(!)?$/
bang = $1
worker.status = :ready
unless task = @tasks.shift
worker.quit
return nil
end
if @options[:separate] and not bang
worker.quit
worker = launch_worker
end
worker.run(task, type)
@test_count += 1
jobs_status(worker)
when /^start (.+?)$/
worker.current = Marshal.load($1.unpack1("m"))
when /^done (.+?)$/
begin
r = Marshal.load($1.unpack1("m"))
rescue
print "unknown object: #{$1.unpack1("m").dump}"
return true
end
result << r[0..1] unless r[0..1] == [nil,nil]
rep << {file: worker.real_file, report: r[2], result: r[3], testcase: r[5]}
$:.push(*r[4]).uniq!
jobs_status(worker) if @options[:job_status] == :replace
return true
when /^record (.+?)$/
begin
r = Marshal.load($1.unpack1("m"))
suite = r.first
key = [worker.name, suite]
if @records[key]
@records[key][1] = worker.start_time = Time.now
else
@records[key] = [worker.start_time, Time.now]
end
rescue => e
print "unknown record: #{e.message} #{$1.unpack1("m").dump}"
return true
end
record(fake_class(r[0]), *r[1..-1])
when /^p (.+?)$/
del_jobs_status
print $1.unpack1("m")
jobs_status(worker) if @options[:job_status] == :replace
when /^after (.+?)$/
@warnings << Marshal.load($1.unpack1("m"))
when /^bye (.+?)$/
after_worker_down worker, Marshal.load($1.unpack1("m"))
when /^bye$/, nil
if shutting_down || worker.quit_called
after_worker_quit worker
else
after_worker_down worker
end
else
print "unknown command: #{cmd.dump}\n"
end
return false
end
def _run_parallel suites, type, result
@records = {}
if @options[:parallel] < 1
warn "Error: parameter of -j option should be greater than 0."
return
end
# Require needed thing for parallel running
require 'timeout'
@tasks = @order.group(@order.sort_by_string(@files)) # Array of filenames.
@need_quit = false
@dead_workers = [] # Array of dead workers.
@warnings = []
@total_tests = @tasks.size.to_s(10)
rep = [] # FIXME: more good naming
@workers = [] # Array of workers.
@workers_hash = {} # out-IO => worker
@ios = [] # Array of worker IOs
@job_tokens = String.new(encoding: Encoding::ASCII_8BIT) if @jobserver
begin
while true
newjobs = [@tasks.size, @options[:parallel]].min - @workers.size
if newjobs > 0
if @jobserver
t = @jobserver[0].read_nonblock(newjobs, exception: false)
@job_tokens << t if String === t
newjobs = @job_tokens.size + 1 - @workers.size
end
newjobs.times {launch_worker}
end
timeout = [(@workers.filter_map {|w| w.response_at}.min&.-(Time.now) || 0), 0].max + @worker_timeout
if !(_io = IO.select(@ios, nil, nil, timeout))
timeout = Time.now - @worker_timeout
quit_workers {|w| w.response_at&.<(timeout) }&.map {|w|
rep << {file: w.real_file, result: nil, testcase: w.current[0], error: w.current}
}
elsif _io.first.any? {|io|
@need_quit or
(deal(io, type, result, rep).nil? and
!@workers.any? {|x| [:running, :prepare].include? x.status})
}
break
end
if @tasks.empty?
break if @workers.empty?
next # wait for all workers to finish
end
end
rescue Interrupt => ex
@interrupt = ex
return result
ensure
if file = @options[:timetable_data]
File.open(file, 'w'){|f|
@records.each{|(worker, suite), (st, ed)|
f.puts '[' + [worker.dump, suite.dump, st.to_f * 1_000, ed.to_f * 1_000].join(", ") + '],'
}
}
end
if @interrupt
@ios.select!{|x| @workers_hash[x].status == :running }
while !@ios.empty? && (__io = IO.select(@ios,[],[],10))
__io[0].reject! {|io| deal(io, type, result, rep, true)}
end
end
quit_workers
flush_job_tokens
unless @interrupt || !@options[:retry] || @need_quit
parallel = @options[:parallel]
@options[:parallel] = false
suites, rep = rep.partition {|r|
r[:testcase] && r[:file] &&
(!r.key?(:report) || r[:report].any? {|e| !e[2].is_a?(Test::Unit::PendedError)})
}
suites.map {|r| File.realpath(r[:file])}.uniq.each {|file| require file}
del_status_line or puts
error, suites = suites.partition {|r| r[:error]}
unless suites.empty?
puts "\n""Retrying..."
@verbose = options[:verbose]
suites.map! {|r| ::Object.const_get(r[:testcase])}
_run_suites(suites, type)
end
unless error.empty?
puts "\n""Retrying hung up testcases..."
error = error.map do |r|
begin
::Object.const_get(r[:testcase])
rescue NameError
# testcase doesn't specify the correct case, so show `r` for information
require 'pp'
$stderr.puts "Retrying is failed because the file and testcase is not consistent:"
PP.pp r, $stderr
@errors += 1
nil
end
end.compact
verbose = @verbose
job_status = options[:job_status]
options[:verbose] = @verbose = true
options[:job_status] = :normal
result.concat _run_suites(error, type)
options[:verbose] = @verbose = verbose
options[:job_status] = job_status
end
@options[:parallel] = parallel
end
unless @options[:retry]
del_status_line or puts
end
unless rep.empty?
rep.each do |r|
if r[:error]
puke(*r[:error], Timeout::Error.new)
next
end
r[:report]&.each do |f|
puke(*f) if f
end
end
if @options[:retry]
rep.each do |x|
(e, f, s = x[:result]) or next
@errors += e
@failures += f
@skips += s
end
end
end
unless @warnings.empty?
warn ""
@warnings.uniq! {|w| w[1].message}
@warnings.each do |w|
@errors += 1
warn "#{w[0]}: #{w[1].message} (#{w[1].class})"
end
warn ""
end
end
end
def _run_suites suites, type
_prepare_run(suites, type)
@interrupt = nil
result = []
GC.start
if @options[:parallel]
_run_parallel suites, type, result
else
suites.each {|suite|
begin
result << _run_suite(suite, type)
rescue Interrupt => e
@interrupt = e
break
end
}
end
del_status_line
result
end
end
module Skipping # :nodoc: all
def failed(s)
super if !s or @options[:hide_skip]
end
private
def setup_options(opts, options)
super
opts.separator "skipping options:"
options[:hide_skip] = true
opts.on '-q', '--hide-skip', 'Hide skipped tests' do
options[:hide_skip] = true
end
opts.on '--show-skip', 'Show skipped tests' do
options[:hide_skip] = false
end
end
def _run_suites(suites, type)
result = super
report.reject!{|r| r.start_with? "Skipped:" } if @options[:hide_skip]
report.sort_by!{|r| r.start_with?("Skipped:") ? 0 : \
(r.start_with?("Failure:") ? 1 : 2) }
failed(nil)
result
end
end
module Statistics
def update_list(list, rec, max)
if i = list.empty? ? 0 : list.bsearch_index {|*a| yield(*a)}
list[i, 0] = [rec]
list[max..-1] = [] if list.size >= max
end
end
def record(suite, method, assertions, time, error)
if @options.values_at(:longest, :most_asserted).any?
@tops ||= {}
rec = [suite.name, method, assertions, time, error]
if max = @options[:longest]
update_list(@tops[:longest] ||= [], rec, max) {|_,_,_,t,_|t<time}
end
if max = @options[:most_asserted]
update_list(@tops[:most_asserted] ||= [], rec, max) {|_,_,a,_,_|a<assertions}
end
end
# (((@record ||= {})[suite] ||= {})[method]) = [assertions, time, error]
super
end
def run(*args)
result = super
if @tops ||= nil
@tops.each do |t, list|
if list
puts "#{t.to_s.tr('_', ' ')} tests:"
list.each {|suite, method, assertions, time, error|
printf "%5.2fsec(%d): %s#%s\n", time, assertions, suite, method
}
end
end
end
result
end
private
def setup_options(opts, options)
super
opts.separator "statistics options:"
opts.on '--longest=N', Integer, 'Show longest N tests' do |n|
options[:longest] = n
end
opts.on '--most-asserted=N', Integer, 'Show most asserted N tests' do |n|
options[:most_asserted] = n
end
end
end
module StatusLine # :nodoc: all
def terminal_width
unless @terminal_width ||= nil
begin
require 'io/console'
width = $stdout.winsize[1]
rescue LoadError, NoMethodError, Errno::ENOTTY, Errno::EBADF, Errno::EINVAL
width = ENV["COLUMNS"].to_i.nonzero? || 80
end
width -= 1 if /mswin|mingw/ =~ RUBY_PLATFORM
@terminal_width = width
end
@terminal_width
end
def del_status_line(flush = true)
@status_line_size ||= 0
if @options[:job_status] == :replace
$stdout.print "\r"+" "*@status_line_size+"\r"
else
$stdout.puts if @status_line_size > 0
end
$stdout.flush if flush
@status_line_size = 0
end
def add_status(line)
@status_line_size ||= 0
if @options[:job_status] == :replace
line = line[0...(terminal_width-@status_line_size)]
end
print line
@status_line_size += line.size
end
def jobs_status(worker)
return if !@options[:job_status] or @verbose
if @options[:job_status] == :replace
status_line = @workers.map(&:to_s).join(" ")
else
status_line = worker.to_s
end
update_status(status_line) or (puts; nil)
end
def del_jobs_status
return unless @options[:job_status] == :replace && @status_line_size.nonzero?
del_status_line
end
def output
(@output ||= nil) || super
end
def _prepare_run(suites, type)
options[:job_status] ||= :replace if @tty && !@verbose
case options[:color]
when :always
color = true
when :auto, nil
color = true if @tty || @options[:job_status] == :replace
else
color = false
end
@colorize = Colorize.new(color, colors_file: File.join(__dir__, "../../colors"))
if color or @options[:job_status] == :replace
@verbose = !options[:parallel]
end
@output = Output.new(self) unless @options[:testing]
filter = options[:filter]
type = "#{type}_methods"
total = if filter
suites.inject(0) {|n, suite| n + suite.send(type).grep(filter).size}
else
suites.inject(0) {|n, suite| n + suite.send(type).size}
end
@test_count = 0
@total_tests = total.to_s(10)
end
def new_test(s)
@test_count += 1
update_status(s)
end
def update_status(s)
count = @test_count.to_s(10).rjust(@total_tests.size)
del_status_line(false)
add_status(@colorize.pass("[#{count}/#{@total_tests}]"))
add_status(" #{s}")
$stdout.print "\r" if @options[:job_status] == :replace and !@verbose
$stdout.flush
end
def _print(s); $stdout.print(s); end
def succeed; del_status_line; end
def failed(s)
return if s and @options[:job_status] != :replace
sep = "\n"
@report_count ||= 0
report.each do |msg|
if msg.start_with? "Skipped:"
if @options[:hide_skip]
del_status_line