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require "open3"
require "timeout"
module EnvUtil
def rubybin
unless ENV["RUBYOPT"]
end
if ruby = ENV["RUBY"]
return ruby
end
ruby = "ruby"
rubyexe = ruby+".exe"
3.times do
if File.exist? ruby and File.executable? ruby and !File.directory? ruby
return File.expand_path(ruby)
end
if File.exist? rubyexe and File.executable? rubyexe
return File.expand_path(rubyexe)
end
ruby = File.join("..", ruby)
end
if defined?(RbConfig.ruby)
RbConfig.ruby
else
"ruby"
end
end
module_function :rubybin
LANG_ENVS = %w"LANG LC_ALL LC_CTYPE"
def invoke_ruby(args, stdin_data="", capture_stdout=false, capture_stderr=false, opt={})
in_c, in_p = IO.pipe
out_p, out_c = IO.pipe if capture_stdout
err_p, err_c = IO.pipe if capture_stderr && capture_stderr != :merge_to_stdout
opt = opt.dup
opt[:in] = in_c
opt[:out] = out_c if capture_stdout
opt[:err] = capture_stderr == :merge_to_stdout ? out_c : err_c if capture_stderr
if enc = opt.delete(:encoding)
out_p.set_encoding(enc) if out_p
err_p.set_encoding(enc) if err_p
end
timeout = opt.delete(:timeout) || 10
c = "C"
child_env = {}
LANG_ENVS.each {|lc| child_env[lc] = c}
if Array === args and Hash === args.first
child_env.update(args.shift)
end
args = [args] if args.kind_of?(String)
pid = spawn(child_env, EnvUtil.rubybin, *args, opt)
in_c.close
out_c.close if capture_stdout
err_c.close if capture_stderr && capture_stderr != :merge_to_stdout
if block_given?
return yield in_p, out_p, err_p, pid
else
th_stdout = Thread.new { out_p.read } if capture_stdout
th_stderr = Thread.new { err_p.read } if capture_stderr && capture_stderr != :merge_to_stdout
in_p.write stdin_data.to_str
in_p.close
if (!th_stdout || th_stdout.join(timeout)) && (!th_stderr || th_stderr.join(timeout))
stdout = th_stdout.value if capture_stdout
stderr = th_stderr.value if capture_stderr && capture_stderr != :merge_to_stdout
else
signal = /mswin|mingw/ =~ RUBY_PLATFORM ? :KILL : :TERM
begin
Process.kill signal, pid
rescue Errno::ESRCH
end
raise Timeout::Error
end
out_p.close if capture_stdout
err_p.close if capture_stderr && capture_stderr != :merge_to_stdout
Process.wait pid
status = $?
return stdout, stderr, status
end
ensure
[th_stdout, th_stderr].each do |th|
th.kill if th
end
[in_c, in_p, out_c, out_p, err_c, err_p].each do |io|
io.close if io && !io.closed?
end
[th_stdout, th_stderr].each do |th|
th.join if th
end
end
module_function :invoke_ruby
alias rubyexec invoke_ruby
class << self
alias rubyexec invoke_ruby
end
def verbose_warning
class << (stderr = "")
alias write <<
end
stderr, $stderr, verbose, $VERBOSE = $stderr, stderr, $VERBOSE, true
yield stderr
return $stderr
ensure
stderr, $stderr, $VERBOSE = $stderr, stderr, verbose
end
module_function :verbose_warning
def suppress_warning
verbose, $VERBOSE = $VERBOSE, nil
yield
ensure
$VERBOSE = verbose
end
module_function :suppress_warning
def under_gc_stress
stress, GC.stress = GC.stress, true
yield
ensure
GC.stress = stress
end
module_function :under_gc_stress
end
module Test
module Unit
module Assertions
public
def assert_normal_exit(testsrc, message = '', opt = {})
if opt.include?(:child_env)
opt = opt.dup
child_env = [opt.delete(:child_env)] || []
else
child_env = []
end
out, _, status = EnvUtil.invoke_ruby(child_env + %W'-W0', testsrc, true, :merge_to_stdout, opt)
pid = status.pid
faildesc = proc do
signo = status.termsig
signame = Signal.list.invert[signo]
sigdesc = "signal #{signo}"
if signame
sigdesc = "SIG#{signame} (#{sigdesc})"
end
if status.coredump?
sigdesc << " (core dumped)"
end
full_message = ''
if !message.empty?
full_message << message << "\n"
end
full_message << "pid #{pid} killed by #{sigdesc}"
if !out.empty?
out << "\n" if /\n\z/ !~ out
full_message << "\n#{out.gsub(/^/, '| ')}"
end
full_message
end
assert !status.signaled?, faildesc
end
def assert_in_out_err(args, test_stdin = "", test_stdout = [], test_stderr = [], message = nil, opt={})
stdout, stderr, status = EnvUtil.invoke_ruby(args, test_stdin, true, true, opt)
if block_given?
yield(stdout.lines.map {|l| l.chomp }, stderr.lines.map {|l| l.chomp })
else
if test_stdout.is_a?(Regexp)
assert_match(test_stdout, stdout, message)
else
assert_equal(test_stdout, stdout.lines.map {|l| l.chomp }, message)
end
if test_stderr.is_a?(Regexp)
assert_match(test_stderr, stderr, message)
else
assert_equal(test_stderr, stderr.lines.map {|l| l.chomp }, message)
end
status
end
end
def assert_ruby_status(args, test_stdin="", message=nil, opt={})
_, _, status = EnvUtil.invoke_ruby(args, test_stdin, false, false, opt)
m = message ? "#{message} (#{status.inspect})" : "ruby exit status is not success: #{status.inspect}"
assert(status.success?, m)
end
def assert_warn(pat, message = nil)
stderr = EnvUtil.verbose_warning { yield }
message = ' "' + message + '"' if message
msg = proc {"warning message #{stderr.inspect} is expected to match #{pat.inspect}#{message}"}
assert(pat === stderr, msg)
end
def assert_warning(*args)
assert_warn(*args) {$VERBOSE = false; yield}
end
def assert_no_memory_leak(args, prepare, code, message=nil, limit: 1.5)
token = "\e[7;1m#{$$.to_s}:#{Time.now.strftime('%s.%L')}:#{rand(0x10000).to_s(16)}:\e[m"
token_dump = token.dump
token_re = Regexp.quote(token)
args = [
"--disable=gems",
"-r", File.expand_path("../memory_status", __FILE__),
*args,
"-v", "-",
]
cmd = [
'END {STDERR.puts '"#{token_dump}"'"FINAL=#{Memory::Status.new.size}"}',
prepare,
'STDERR.puts('"#{token_dump}"'"START=#{$initial_size = Memory::Status.new.size}")',
code,
].join("\n")
_, err, status = EnvUtil.invoke_ruby(args, cmd, true, true)
before = err.sub!(/^#{token_re}START=(\d+)\n/, '') && $1.to_i
after = err.sub!(/^#{token_re}FINAL=(\d+)\n/, '') && $1.to_i
assert_equal([true, ""], [status.success?, err], message)
assert_operator(after.fdiv(before), :<, limit, message)
end
def assert_is_minus_zero(f)
assert(1.0/f == -Float::INFINITY, "#{f} is not -0.0")
end
def assert_file(predicate, path)
assert(File.__send__(predicate, path), "Expected file #{path.inspect} to be #{predicate}")
end
def assert_file_not(predicate, path)
assert(!File.__send__(predicate, path), "Expected file #{path.inspect} not to be #{predicate}")
end
end
end
end
begin
require 'rbconfig'
rescue LoadError
else
module RbConfig
@ruby = EnvUtil.rubybin
class << self
undef ruby if method_defined?(:ruby)
attr_reader :ruby
end
dir = File.dirname(ruby)
name = File.basename(ruby, CONFIG['EXEEXT'])
CONFIG['bindir'] = dir
CONFIG['ruby_install_name'] = name
CONFIG['RUBY_INSTALL_NAME'] = name
Gem::ConfigMap[:bindir] = dir if defined?(Gem::ConfigMap)
end
end
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