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-rw-r--r--tool/lib/core_assertions.rb864
1 files changed, 864 insertions, 0 deletions
diff --git a/tool/lib/core_assertions.rb b/tool/lib/core_assertions.rb
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+++ b/tool/lib/core_assertions.rb
@@ -0,0 +1,864 @@
+# frozen_string_literal: true
+
+module Test
+
+ class << self
+ ##
+ # Filter object for backtraces.
+
+ attr_accessor :backtrace_filter
+ end
+
+ class BacktraceFilter # :nodoc:
+ def filter bt
+ return ["No backtrace"] unless bt
+
+ new_bt = []
+ pattern = %r[/(?:lib\/test/|core_assertions\.rb:)]
+
+ unless $DEBUG then
+ bt.each do |line|
+ break if pattern.match?(line)
+ new_bt << line
+ end
+
+ new_bt = bt.reject { |line| pattern.match?(line) } if new_bt.empty?
+ new_bt = bt.dup if new_bt.empty?
+ else
+ new_bt = bt.dup
+ end
+
+ new_bt
+ end
+ end
+
+ self.backtrace_filter = BacktraceFilter.new
+
+ def self.filter_backtrace bt # :nodoc:
+ backtrace_filter.filter bt
+ end
+
+ module Unit
+ module Assertions
+ def assert_raises(*exp, &b)
+ raise NoMethodError, "use assert_raise", caller
+ end
+
+ def _assertions= n # :nodoc:
+ @_assertions = n
+ end
+
+ def _assertions # :nodoc:
+ @_assertions ||= 0
+ end
+
+ ##
+ # Returns a proc that will output +msg+ along with the default message.
+
+ def message msg = nil, ending = nil, &default
+ proc {
+ ending ||= (ending_pattern = /(?<!\.)\z/; ".")
+ ending_pattern ||= /(?<!#{Regexp.quote(ending)})\z/
+ msg = msg.call if Proc === msg
+ ary = [msg, (default.call if default)].compact.reject(&:empty?)
+ ary.map! {|str| str.to_s.sub(ending_pattern, ending) }
+ begin
+ ary.join("\n")
+ rescue Encoding::CompatibilityError
+ ary.map(&:b).join("\n")
+ end
+ }
+ end
+ end
+
+ module CoreAssertions
+ require_relative 'envutil'
+ require 'pp'
+ begin
+ require '-test-/asan'
+ rescue LoadError
+ end
+
+ nil.pretty_inspect
+
+ def mu_pp(obj) #:nodoc:
+ obj.pretty_inspect.chomp
+ end
+
+ def assert_file
+ AssertFile
+ end
+
+ FailDesc = proc do |status, message = "", out = ""|
+ now = Time.now
+ proc do
+ EnvUtil.failure_description(status, now, message, out)
+ end
+ end
+
+ def assert_in_out_err(args, test_stdin = "", test_stdout = [], test_stderr = [], message = nil,
+ success: nil, **opt)
+ args = Array(args).dup
+ args.insert((Hash === args[0] ? 1 : 0), '--disable=gems')
+ stdout, stderr, status = EnvUtil.invoke_ruby(args, test_stdin, true, true, **opt)
+ desc = FailDesc[status, message, stderr]
+ if block_given?
+ raise "test_stdout ignored, use block only or without block" if test_stdout != []
+ raise "test_stderr ignored, use block only or without block" if test_stderr != []
+ yield(stdout.lines.map {|l| l.chomp }, stderr.lines.map {|l| l.chomp }, status)
+ else
+ all_assertions(desc) do |a|
+ [["stdout", test_stdout, stdout], ["stderr", test_stderr, stderr]].each do |key, exp, act|
+ a.for(key) do
+ if exp.is_a?(Regexp)
+ assert_match(exp, act)
+ elsif exp.all? {|e| String === e}
+ assert_equal(exp, act.lines.map {|l| l.chomp })
+ else
+ assert_pattern_list(exp, act)
+ end
+ end
+ end
+ unless success.nil?
+ a.for("success?") do
+ if success
+ assert_predicate(status, :success?)
+ else
+ assert_not_predicate(status, :success?)
+ end
+ end
+ end
+ end
+ status
+ end
+ end
+
+ if defined?(RubyVM::InstructionSequence)
+ def syntax_check(code, fname, line)
+ code = code.dup.force_encoding(Encoding::UTF_8)
+ RubyVM::InstructionSequence.compile(code, fname, fname, line)
+ :ok
+ ensure
+ raise if SyntaxError === $!
+ end
+ else
+ def syntax_check(code, fname, line)
+ code = code.b
+ code.sub!(/\A(?:\xef\xbb\xbf)?(\s*\#.*$)*(\n)?/n) {
+ "#$&#{"\n" if $1 && !$2}BEGIN{throw tag, :ok}\n"
+ }
+ code = code.force_encoding(Encoding::UTF_8)
+ catch {|tag| eval(code, binding, fname, line - 1)}
+ end
+ end
+
+ def assert_no_memory_leak(args, prepare, code, message=nil, limit: 2.0, rss: false, **opt)
+ # TODO: consider choosing some appropriate limit for RJIT and stop skipping this once it does not randomly fail
+ pend 'assert_no_memory_leak may consider RJIT memory usage as leak' if defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled?
+ # For previous versions which implemented MJIT
+ pend 'assert_no_memory_leak may consider MJIT memory usage as leak' if defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?
+ # ASAN has the same problem - its shadow memory greatly increases memory usage
+ # (plus asan has better ways to detect memory leaks than this assertion)
+ pend 'assert_no_memory_leak may consider ASAN memory usage as leak' if defined?(Test::ASAN) && Test::ASAN.enabled?
+
+ require_relative 'memory_status'
+ raise Test::Unit::PendedError, "unsupported platform" unless defined?(Memory::Status)
+
+ token_dump, token_re = new_test_token
+ envs = args.shift if Array === args and Hash === args.first
+ args = [
+ "--disable=gems",
+ "-r", File.expand_path("../memory_status", __FILE__),
+ *args,
+ "-v", "-",
+ ]
+ if defined? Memory::NO_MEMORY_LEAK_ENVS then
+ envs ||= {}
+ newenvs = envs.merge(Memory::NO_MEMORY_LEAK_ENVS) { |_, _, _| break }
+ envs = newenvs if newenvs
+ end
+ args.unshift(envs) if envs
+ cmd = [
+ 'END {STDERR.puts '"#{token_dump}"'"FINAL=#{Memory::Status.new}"}',
+ prepare,
+ 'STDERR.puts('"#{token_dump}"'"START=#{$initial_status = Memory::Status.new}")',
+ '$initial_size = $initial_status.size',
+ code,
+ 'GC.start',
+ ].join("\n")
+ _, err, status = EnvUtil.invoke_ruby(args, cmd, true, true, **opt)
+ before = err.sub!(/^#{token_re}START=(\{.*\})\n/, '') && Memory::Status.parse($1)
+ after = err.sub!(/^#{token_re}FINAL=(\{.*\})\n/, '') && Memory::Status.parse($1)
+ assert(status.success?, FailDesc[status, message, err])
+ ([:size, (rss && :rss)] & after.members).each do |n|
+ b = before[n]
+ a = after[n]
+ next unless a > 0 and b > 0
+ assert_operator(a.fdiv(b), :<, limit, message(message) {"#{n}: #{b} => #{a}"})
+ end
+ rescue LoadError
+ pend
+ end
+
+ # :call-seq:
+ # assert_nothing_raised( *args, &block )
+ #
+ #If any exceptions are given as arguments, the assertion will
+ #fail if one of those exceptions are raised. Otherwise, the test fails
+ #if any exceptions are raised.
+ #
+ #The final argument may be a failure message.
+ #
+ # assert_nothing_raised RuntimeError do
+ # raise Exception #Assertion passes, Exception is not a RuntimeError
+ # end
+ #
+ # assert_nothing_raised do
+ # raise Exception #Assertion fails
+ # end
+ def assert_nothing_raised(*args)
+ self._assertions += 1
+ if Module === args.last
+ msg = nil
+ else
+ msg = args.pop
+ end
+ begin
+ yield
+ rescue Test::Unit::PendedError, *(Test::Unit::AssertionFailedError if args.empty?)
+ raise
+ rescue *(args.empty? ? Exception : args) => e
+ msg = message(msg) {
+ "Exception raised:\n<#{mu_pp(e)}>\n""Backtrace:\n" <<
+ Test.filter_backtrace(e.backtrace).map{|frame| " #{frame}"}.join("\n")
+ }
+ raise Test::Unit::AssertionFailedError, msg.call, e.backtrace
+ end
+ end
+
+ def prepare_syntax_check(code, fname = nil, mesg = nil, verbose: nil)
+ fname ||= caller_locations(2, 1)[0]
+ mesg ||= fname.to_s
+ verbose, $VERBOSE = $VERBOSE, verbose
+ case
+ when Array === fname
+ fname, line = *fname
+ when defined?(fname.path) && defined?(fname.lineno)
+ fname, line = fname.path, fname.lineno
+ else
+ line = 1
+ end
+ yield(code, fname, line, message(mesg) {
+ if code.end_with?("\n")
+ "```\n#{code}```\n"
+ else
+ "```\n#{code}\n```\n""no-newline"
+ end
+ })
+ ensure
+ $VERBOSE = verbose
+ end
+
+ def assert_valid_syntax(code, *args, **opt)
+ prepare_syntax_check(code, *args, **opt) do |src, fname, line, mesg|
+ yield if defined?(yield)
+ assert_nothing_raised(SyntaxError, mesg) do
+ assert_equal(:ok, syntax_check(src, fname, line), mesg)
+ end
+ end
+ end
+
+ def assert_normal_exit(testsrc, message = '', child_env: nil, **opt)
+ assert_valid_syntax(testsrc, caller_locations(1, 1)[0])
+ if child_env
+ child_env = [child_env]
+ else
+ child_env = []
+ end
+ out, _, status = EnvUtil.invoke_ruby(child_env + %W'-W0', testsrc, true, :merge_to_stdout, **opt)
+ assert !status.signaled?, FailDesc[status, message, out]
+ end
+
+ def assert_ruby_status(args, test_stdin="", message=nil, **opt)
+ out, _, status = EnvUtil.invoke_ruby(args, test_stdin, true, :merge_to_stdout, **opt)
+ desc = FailDesc[status, message, out]
+ assert(!status.signaled?, desc)
+ message ||= "ruby exit status is not success:"
+ assert(status.success?, desc)
+ end
+
+ ABORT_SIGNALS = Signal.list.values_at(*%w"ILL ABRT BUS SEGV TERM")
+
+ def separated_runner(token, out = nil)
+ include(*Test::Unit::TestCase.ancestors.select {|c| !c.is_a?(Class) })
+ out = out ? IO.new(out, 'w') : STDOUT
+ at_exit {
+ out.puts "#{token}<error>", [Marshal.dump($!)].pack('m'), "#{token}</error>", "#{token}assertions=#{self._assertions}"
+ }
+ if defined?(Test::Unit::Runner)
+ Test::Unit::Runner.class_variable_set(:@@stop_auto_run, true)
+ elsif defined?(Test::Unit::AutoRunner)
+ Test::Unit::AutoRunner.need_auto_run = false
+ end
+ end
+
+ def assert_separately(args, file = nil, line = nil, src, ignore_stderr: nil, **opt)
+ unless file and line
+ loc, = caller_locations(1,1)
+ file ||= loc.path
+ line ||= loc.lineno
+ end
+ capture_stdout = true
+ unless /mswin|mingw/ =~ RbConfig::CONFIG['host_os']
+ capture_stdout = false
+ opt[:out] = Test::Unit::Runner.output if defined?(Test::Unit::Runner)
+ res_p, res_c = IO.pipe
+ opt[:ios] = [res_c]
+ end
+ token_dump, token_re = new_test_token
+ src = <<eom
+# -*- coding: #{line += __LINE__; src.encoding}; -*-
+BEGIN {
+ require "test/unit";include Test::Unit::Assertions;require #{__FILE__.dump};include Test::Unit::CoreAssertions
+ separated_runner #{token_dump}, #{res_c&.fileno || 'nil'}
+}
+#{line -= __LINE__; src}
+eom
+ args = args.dup
+ args.insert((Hash === args.first ? 1 : 0), "-w", "--disable=gems", *$:.map {|l| "-I#{l}"})
+ args << "--debug" if RUBY_ENGINE == 'jruby' # warning: tracing (e.g. set_trace_func) will not capture all events without --debug flag
+ stdout, stderr, status = EnvUtil.invoke_ruby(args, src, capture_stdout, true, **opt)
+ ensure
+ if res_c
+ res_c.close
+ res = res_p.read
+ res_p.close
+ else
+ res = stdout
+ end
+ raise if $!
+ abort = status.coredump? || (status.signaled? && ABORT_SIGNALS.include?(status.termsig))
+ assert(!abort, FailDesc[status, nil, stderr])
+ self._assertions += res[/^#{token_re}assertions=(\d+)/, 1].to_i
+ begin
+ res = Marshal.load(res[/^#{token_re}<error>\n\K.*\n(?=#{token_re}<\/error>$)/m].unpack1("m"))
+ rescue => marshal_error
+ ignore_stderr = nil
+ res = nil
+ end
+ if res and !(SystemExit === res)
+ if bt = res.backtrace
+ bt.each do |l|
+ l.sub!(/\A-:(\d+)/){"#{file}:#{line + $1.to_i}"}
+ end
+ bt.concat(caller)
+ else
+ res.set_backtrace(caller)
+ end
+ raise res
+ end
+
+ # really is it succeed?
+ unless ignore_stderr
+ # the body of assert_separately must not output anything to detect error
+ assert(stderr.empty?, FailDesc[status, "assert_separately failed with error message", stderr])
+ end
+ assert(status.success?, FailDesc[status, "assert_separately failed", stderr])
+ raise marshal_error if marshal_error
+ end
+
+ # Run Ractor-related test without influencing the main test suite
+ def assert_ractor(src, args: [], require: nil, require_relative: nil, file: nil, line: nil, ignore_stderr: nil, **opt)
+ return unless defined?(Ractor)
+
+ require = "require #{require.inspect}" if require
+ if require_relative
+ dir = File.dirname(caller_locations[0,1][0].absolute_path)
+ full_path = File.expand_path(require_relative, dir)
+ require = "#{require}; require #{full_path.inspect}"
+ end
+
+ assert_separately(args, file, line, <<~RUBY, ignore_stderr: ignore_stderr, **opt)
+ #{require}
+ previous_verbose = $VERBOSE
+ $VERBOSE = nil
+ Ractor.new {} # trigger initial warning
+ $VERBOSE = previous_verbose
+ #{src}
+ RUBY
+ end
+
+ # :call-seq:
+ # assert_throw( tag, failure_message = nil, &block )
+ #
+ #Fails unless the given block throws +tag+, returns the caught
+ #value otherwise.
+ #
+ #An optional failure message may be provided as the final argument.
+ #
+ # tag = Object.new
+ # assert_throw(tag, "#{tag} was not thrown!") do
+ # throw tag
+ # end
+ def assert_throw(tag, msg = nil)
+ ret = catch(tag) do
+ begin
+ yield(tag)
+ rescue UncaughtThrowError => e
+ thrown = e.tag
+ end
+ msg = message(msg) {
+ "Expected #{mu_pp(tag)} to have been thrown"\
+ "#{%Q[, not #{thrown}] if thrown}"
+ }
+ assert(false, msg)
+ end
+ assert(true)
+ ret
+ end
+
+ # :call-seq:
+ # assert_raise( *args, &block )
+ #
+ #Tests if the given block raises an exception. Acceptable exception
+ #types may be given as optional arguments. If the last argument is a
+ #String, it will be used as the error message.
+ #
+ # assert_raise do #Fails, no Exceptions are raised
+ # end
+ #
+ # assert_raise NameError do
+ # puts x #Raises NameError, so assertion succeeds
+ # end
+ def assert_raise(*exp, &b)
+ case exp.last
+ when String, Proc
+ msg = exp.pop
+ end
+
+ begin
+ yield
+ rescue Test::Unit::PendedError => e
+ return e if exp.include? Test::Unit::PendedError
+ raise e
+ rescue Exception => e
+ expected = exp.any? { |ex|
+ if ex.instance_of? Module then
+ e.kind_of? ex
+ else
+ e.instance_of? ex
+ end
+ }
+
+ assert expected, proc {
+ flunk(message(msg) {"#{mu_pp(exp)} exception expected, not #{mu_pp(e)}"})
+ }
+
+ return e
+ ensure
+ unless e
+ exp = exp.first if exp.size == 1
+
+ flunk(message(msg) {"#{mu_pp(exp)} expected but nothing was raised"})
+ end
+ end
+ end
+
+ # :call-seq:
+ # assert_raise_with_message(exception, expected, msg = nil, &block)
+ #
+ #Tests if the given block raises an exception with the expected
+ #message.
+ #
+ # assert_raise_with_message(RuntimeError, "foo") do
+ # nil #Fails, no Exceptions are raised
+ # end
+ #
+ # assert_raise_with_message(RuntimeError, "foo") do
+ # raise ArgumentError, "foo" #Fails, different Exception is raised
+ # end
+ #
+ # assert_raise_with_message(RuntimeError, "foo") do
+ # raise "bar" #Fails, RuntimeError is raised but the message differs
+ # end
+ #
+ # assert_raise_with_message(RuntimeError, "foo") do
+ # raise "foo" #Raises RuntimeError with the message, so assertion succeeds
+ # end
+ def assert_raise_with_message(exception, expected, msg = nil, &block)
+ case expected
+ when String
+ assert = :assert_equal
+ when Regexp
+ assert = :assert_match
+ else
+ raise TypeError, "Expected #{expected.inspect} to be a kind of String or Regexp, not #{expected.class}"
+ end
+
+ ex = m = nil
+ EnvUtil.with_default_internal(expected.encoding) do
+ ex = assert_raise(exception, msg || proc {"Exception(#{exception}) with message matches to #{expected.inspect}"}) do
+ yield
+ end
+ m = ex.message
+ end
+ msg = message(msg, "") {"Expected Exception(#{exception}) was raised, but the message doesn't match"}
+
+ if assert == :assert_equal
+ assert_equal(expected, m, msg)
+ else
+ msg = message(msg) { "Expected #{mu_pp expected} to match #{mu_pp m}" }
+ assert expected =~ m, msg
+ block.binding.eval("proc{|_|$~=_}").call($~)
+ end
+ ex
+ end
+
+ TEST_DIR = File.join(__dir__, "test/unit") #:nodoc:
+
+ # :call-seq:
+ # assert(test, [failure_message])
+ #
+ #Tests if +test+ is true.
+ #
+ #+msg+ may be a String or a Proc. If +msg+ is a String, it will be used
+ #as the failure message. Otherwise, the result of calling +msg+ will be
+ #used as the message if the assertion fails.
+ #
+ #If no +msg+ is given, a default message will be used.
+ #
+ # assert(false, "This was expected to be true")
+ def assert(test, *msgs)
+ case msg = msgs.first
+ when String, Proc
+ when nil
+ msgs.shift
+ else
+ bt = caller.reject { |s| s.start_with?(TEST_DIR) }
+ raise ArgumentError, "assertion message must be String or Proc, but #{msg.class} was given.", bt
+ end unless msgs.empty?
+ super
+ end
+
+ # :call-seq:
+ # assert_respond_to( object, method, failure_message = nil )
+ #
+ #Tests if the given Object responds to +method+.
+ #
+ #An optional failure message may be provided as the final argument.
+ #
+ # assert_respond_to("hello", :reverse) #Succeeds
+ # assert_respond_to("hello", :does_not_exist) #Fails
+ def assert_respond_to(obj, (meth, *priv), msg = nil)
+ unless priv.empty?
+ msg = message(msg) {
+ "Expected #{mu_pp(obj)} (#{obj.class}) to respond to ##{meth}#{" privately" if priv[0]}"
+ }
+ return assert obj.respond_to?(meth, *priv), msg
+ end
+ #get rid of overcounting
+ if caller_locations(1, 1)[0].path.start_with?(TEST_DIR)
+ return if obj.respond_to?(meth)
+ end
+ super(obj, meth, msg)
+ end
+
+ # :call-seq:
+ # assert_not_respond_to( object, method, failure_message = nil )
+ #
+ #Tests if the given Object does not respond to +method+.
+ #
+ #An optional failure message may be provided as the final argument.
+ #
+ # assert_not_respond_to("hello", :reverse) #Fails
+ # assert_not_respond_to("hello", :does_not_exist) #Succeeds
+ def assert_not_respond_to(obj, (meth, *priv), msg = nil)
+ unless priv.empty?
+ msg = message(msg) {
+ "Expected #{mu_pp(obj)} (#{obj.class}) to not respond to ##{meth}#{" privately" if priv[0]}"
+ }
+ return assert !obj.respond_to?(meth, *priv), msg
+ end
+ #get rid of overcounting
+ if caller_locations(1, 1)[0].path.start_with?(TEST_DIR)
+ return unless obj.respond_to?(meth)
+ end
+ refute_respond_to(obj, meth, msg)
+ end
+
+ # pattern_list is an array which contains regexp, string and :*.
+ # :* means any sequence.
+ #
+ # pattern_list is anchored.
+ # Use [:*, regexp/string, :*] for non-anchored match.
+ def assert_pattern_list(pattern_list, actual, message=nil)
+ rest = actual
+ anchored = true
+ pattern_list.each_with_index {|pattern, i|
+ if pattern == :*
+ anchored = false
+ else
+ if anchored
+ match = rest.rindex(pattern, 0)
+ else
+ match = rest.index(pattern)
+ end
+ if match
+ post_match = $~ ? $~.post_match : rest[match+pattern.size..-1]
+ else
+ msg = message(msg) {
+ expect_msg = "Expected #{mu_pp pattern}\n"
+ if /\n[^\n]/ =~ rest
+ actual_mesg = +"to match\n"
+ rest.scan(/.*\n+/) {
+ actual_mesg << ' ' << $&.inspect << "+\n"
+ }
+ actual_mesg.sub!(/\+\n\z/, '')
+ else
+ actual_mesg = "to match " + mu_pp(rest)
+ end
+ actual_mesg << "\nafter #{i} patterns with #{actual.length - rest.length} characters"
+ expect_msg + actual_mesg
+ }
+ assert false, msg
+ end
+ rest = post_match
+ anchored = true
+ end
+ }
+ if anchored
+ assert_equal("", rest)
+ end
+ end
+
+ def assert_warning(pat, msg = nil)
+ result = nil
+ stderr = EnvUtil.with_default_internal(pat.encoding) {
+ EnvUtil.verbose_warning {
+ result = yield
+ }
+ }
+ msg = message(msg) {diff pat, stderr}
+ assert(pat === stderr, msg)
+ result
+ end
+
+ def assert_warn(*args)
+ assert_warning(*args) {$VERBOSE = false; yield}
+ end
+
+ def assert_deprecated_warning(mesg = /deprecated/)
+ assert_warning(mesg) do
+ Warning[:deprecated] = true if Warning.respond_to?(:[]=)
+ yield
+ end
+ end
+
+ def assert_deprecated_warn(mesg = /deprecated/)
+ assert_warn(mesg) do
+ Warning[:deprecated] = true if Warning.respond_to?(:[]=)
+ yield
+ end
+ end
+
+ class << (AssertFile = Struct.new(:failure_message).new)
+ include Assertions
+ include CoreAssertions
+ def assert_file_predicate(predicate, *args)
+ if /\Anot_/ =~ predicate
+ predicate = $'
+ neg = " not"
+ end
+ result = File.__send__(predicate, *args)
+ result = !result if neg
+ mesg = "Expected file ".dup << args.shift.inspect
+ mesg << "#{neg} to be #{predicate}"
+ mesg << mu_pp(args).sub(/\A\[(.*)\]\z/m, '(\1)') unless args.empty?
+ mesg << " #{failure_message}" if failure_message
+ assert(result, mesg)
+ end
+ alias method_missing assert_file_predicate
+
+ def for(message)
+ clone.tap {|a| a.failure_message = message}
+ end
+ end
+
+ class AllFailures
+ attr_reader :failures
+
+ def initialize
+ @count = 0
+ @failures = {}
+ end
+
+ def for(key)
+ @count += 1
+ yield key
+ rescue Exception => e
+ @failures[key] = [@count, e]
+ end
+
+ def foreach(*keys)
+ keys.each do |key|
+ @count += 1
+ begin
+ yield key
+ rescue Exception => e
+ @failures[key] = [@count, e]
+ end
+ end
+ end
+
+ def message
+ i = 0
+ total = @count.to_s
+ fmt = "%#{total.size}d"
+ @failures.map {|k, (n, v)|
+ v = v.message
+ "\n#{i+=1}. [#{fmt%n}/#{total}] Assertion for #{k.inspect}\n#{v.b.gsub(/^/, ' | ').force_encoding(v.encoding)}"
+ }.join("\n")
+ end
+
+ def pass?
+ @failures.empty?
+ end
+ end
+
+ # threads should respond to shift method.
+ # Array can be used.
+ def assert_join_threads(threads, message = nil)
+ errs = []
+ values = []
+ while th = threads.shift
+ begin
+ values << th.value
+ rescue Exception
+ errs << [th, $!]
+ th = nil
+ end
+ end
+ values
+ ensure
+ if th&.alive?
+ th.raise(Timeout::Error.new)
+ th.join rescue errs << [th, $!]
+ end
+ if !errs.empty?
+ msg = "exceptions on #{errs.length} threads:\n" +
+ errs.map {|t, err|
+ "#{t.inspect}:\n" +
+ (err.respond_to?(:full_message) ? err.full_message(highlight: false, order: :top) : err.message)
+ }.join("\n---\n")
+ if message
+ msg = "#{message}\n#{msg}"
+ end
+ raise Test::Unit::AssertionFailedError, msg
+ end
+ end
+
+ def assert_all?(obj, m = nil, &blk)
+ failed = []
+ obj.each do |*a, &b|
+ unless blk.call(*a, &b)
+ failed << (a.size > 1 ? a : a[0])
+ end
+ end
+ assert(failed.empty?, message(m) {failed.pretty_inspect})
+ end
+
+ def assert_all_assertions(msg = nil)
+ all = AllFailures.new
+ yield all
+ ensure
+ assert(all.pass?, message(msg) {all.message.chomp(".")})
+ end
+ alias all_assertions assert_all_assertions
+
+ def assert_all_assertions_foreach(msg = nil, *keys, &block)
+ all = AllFailures.new
+ all.foreach(*keys, &block)
+ ensure
+ assert(all.pass?, message(msg) {all.message.chomp(".")})
+ end
+ alias all_assertions_foreach assert_all_assertions_foreach
+
+ %w[
+ CLOCK_THREAD_CPUTIME_ID CLOCK_PROCESS_CPUTIME_ID
+ CLOCK_MONOTONIC
+ ].find do |c|
+ if Process.const_defined?(c)
+ [c.to_sym, Process.const_get(c)].find do |clk|
+ begin
+ Process.clock_gettime(clk)
+ rescue
+ # Constants may be defined but not implemented, e.g., mingw.
+ else
+ PERFORMANCE_CLOCK = clk
+ end
+ end
+ end
+ end
+
+ # Expect +seq+ to respond to +first+ and +each+ methods, e.g.,
+ # Array, Range, Enumerator::ArithmeticSequence and other
+ # Enumerable-s, and each elements should be size factors.
+ #
+ # :yield: each elements of +seq+.
+ def assert_linear_performance(seq, rehearsal: nil, pre: ->(n) {n})
+ pend "No PERFORMANCE_CLOCK found" unless defined?(PERFORMANCE_CLOCK)
+
+ # Timeout testing generally doesn't work when RJIT compilation happens.
+ rjit_enabled = defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled?
+ measure = proc do |arg, message|
+ st = Process.clock_gettime(PERFORMANCE_CLOCK)
+ yield(*arg)
+ t = (Process.clock_gettime(PERFORMANCE_CLOCK) - st)
+ assert_operator 0, :<=, t, message unless rjit_enabled
+ t
+ end
+
+ first = seq.first
+ *arg = pre.call(first)
+ times = (0..(rehearsal || (2 * first))).map do
+ measure[arg, "rehearsal"].nonzero?
+ end
+ times.compact!
+ tmin, tmax = times.minmax
+ tbase = 10 ** Math.log10(tmax * ([(tmax / tmin), 2].max ** 2)).ceil
+ info = "(tmin: #{tmin}, tmax: #{tmax}, tbase: #{tbase})"
+
+ seq.each do |i|
+ next if i == first
+ t = tbase * i.fdiv(first)
+ *arg = pre.call(i)
+ message = "[#{i}]: in #{t}s #{info}"
+ Timeout.timeout(t, Timeout::Error, message) do
+ measure[arg, message]
+ end
+ end
+ end
+
+ def diff(exp, act)
+ require 'pp'
+ q = PP.new(+"")
+ q.guard_inspect_key do
+ q.group(2, "expected: ") do
+ q.pp exp
+ end
+ q.text q.newline
+ q.group(2, "actual: ") do
+ q.pp act
+ end
+ q.flush
+ end
+ q.output
+ end
+
+ def new_test_token
+ token = "\e[7;1m#{$$.to_s}:#{Time.now.strftime('%s.%L')}:#{rand(0x10000).to_s(16)}:\e[m"
+ return token.dump, Regexp.quote(token)
+ end
+ end
+ end
+end