/
test_utils.rb
192 lines (160 loc) · 6.19 KB
/
test_utils.rb
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tests_dir = File.expand_path(File.dirname(__FILE__))
tests_dir.untaint if RUBY_VERSION < '2.7'
TESTS_DIR = tests_dir
TZINFO_LIB_DIR = File.expand_path(File.join(TESTS_DIR, '..', 'lib'))
TZINFO_TEST_DATA_DIR = File.join(TESTS_DIR, 'tzinfo-data')
TZINFO_TEST_ZONEINFO_DIR = File.join(TESTS_DIR, 'zoneinfo')
$:.unshift(TZINFO_LIB_DIR) unless $:.include?(TZINFO_LIB_DIR)
# tzinfo-data contains a cut down copy of tzinfo-data for use in the tests.
# Add it to the load path.
$:.unshift(TZINFO_TEST_DATA_DIR) unless $:.include?(TZINFO_TEST_DATA_DIR)
require 'minitest/autorun'
require 'tzinfo'
require 'fileutils'
require 'rbconfig'
module TestUtils
ZONEINFO_SYMLINKS = [
['localtime', 'America/New_York'],
['UTC', 'Etc/UTC']]
def self.prepare_test_zoneinfo_dir
ZONEINFO_SYMLINKS.each do |file, target|
path = File.join(TZINFO_TEST_ZONEINFO_DIR, file)
File.delete(path) if File.exist?(path)
begin
FileUtils.ln_s(target, path)
rescue NotImplementedError, Errno::EACCES
# Symlinks not supported on this platform, or permission denied
# (administrative rights are required on Windows). Copy instead.
target_path = File.join(TZINFO_TEST_ZONEINFO_DIR, target)
FileUtils.cp(target_path, path)
end
end
end
end
TestUtils.prepare_test_zoneinfo_dir
module Kernel
# Suppresses any warnings raised in a specified block.
def without_warnings
old_verbose = $VERBOSE
begin
$VERBOSE = nil
yield
ensure
$-v = old_verbose
end
end
def safe_test(options = {})
# Ruby >= 2.7, JRuby and Rubinus don't support SAFE levels.
available = RUBY_VERSION < '2.7' && !(defined?(RUBY_ENGINE) && %w(jruby rbx).include?(RUBY_ENGINE))
if available || options[:unavailable] != :skip
thread = Thread.new do
orig_diff = Minitest::Assertions.diff
if available
orig_safe = $SAFE
$SAFE = options[:level] || 1
end
begin
# Disable the use of external diff tools during safe mode tests (since
# safe mode will prevent their use). The initial value is retrieved
# before activating safe mode because the first time
# Minitest::Assertions.diff is called, it will attempt to find a diff
# tool. Finding the diff tool will also fail in safe mode.
Minitest::Assertions.diff = nil
begin
yield
ensure
Minitest::Assertions.diff = orig_diff
end
ensure
if available
# On Ruby < 2.6, setting $SAFE affects only the current thread
# and the $SAFE level cannot be downgraded. Catch and ignore the
# SecurityError.
# On Ruby >= 2.6, setting $SAFE is global, and the $SAFE level
# can be downgraded. Restore $SAFE back to the original level.
begin
$SAFE = orig_safe
rescue SecurityError
end
end
end
end
thread.join
end
end
def skip_if_has_bug_14060
# On Ruby 2.4.4 in safe mode, require will fail with a SecurityError for
# any file that has not previously been loaded, regardless of whether the
# file name is tainted.
# See https://bugs.ruby-lang.org/issues/14060#note-5.
if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'ruby' && RUBY_VERSION == '2.4.4'
skip('Skipping test due to Ruby 2.4.4 being affected by Bug 14060 (see https://bugs.ruby-lang.org/issues/14060#note-5)')
end
end
def assert_array_same_items(expected, actual, msg = nil)
full_message = message(msg, '') { diff(expected, actual) }
condition = (expected.size == actual.size) && (expected - actual == [])
assert(condition, full_message)
end
def assert_sub_process_returns(expected_lines, code, extra_load_path = [], required = ['tzinfo'])
if RUBY_ENGINE == 'jruby' && JRUBY_VERSION.start_with?('9.0.') && RbConfig::CONFIG['host_os'] =~ /mswin/
skip('JRuby 9.0 on Windows cannot handle writing to the IO instance returned by popen')
end
ruby = File.join(RbConfig::CONFIG['bindir'],
RbConfig::CONFIG['ruby_install_name'] + RbConfig::CONFIG['EXEEXT'])
load_path = [TZINFO_LIB_DIR] + extra_load_path
# If RubyGems is loaded in the current process, then require it in the
# sub-process, as it may be needed in order to require dependencies.
if defined?(Gem) && Gem.instance_of?(Module)
required = ['rubygems'] + required
end
if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
# Stop Rubinus from operating as irb.
args = ' -'
else
args = ''
end
IO.popen("\"#{ruby}\"#{args}", 'r+') do |process|
load_path.each do |p|
process.puts("$:.unshift('#{p.gsub("'", "\\\\'")}')")
end
required.each do |r|
process.puts("require '#{r.gsub("'", "\\\\'")}'")
end
process.puts(code)
process.flush
process.close_write
actual_lines = process.readlines
actual_lines = actual_lines.collect {|l| l.chomp}
assert_equal(expected_lines, actual_lines)
end
end
def assert_nothing_raised(msg = nil)
begin
yield
rescue => e
full_message = message(msg) { exception_details(e, 'Exception raised: ') }
assert(false, full_message)
end
end
end
# Object#taint is a deprecated no-op in Ruby 2.7 and outputs a warning. It will
# be removed in 3.0. Silence the warning or supply a replacement.
if TZInfo::RubyCoreSupport.const_defined?(:UntaintExt)
module TaintExt
refine Object do
def taint
self
end
end
end
end
# JRuby 1.7.5 to 1.7.9 consider DateTime instances that differ by less than
# 1 millisecond to be equivalent (https://github.com/jruby/jruby/issues/1311).
#
# A few test cases compare at a resolution of 1 microsecond, so this causes
# failures on JRuby 1.7.5 to 1.7.9.
#
# Determine what the platform supports and adjust the tests accordingly.
DATETIME_RESOLUTION = (0..5).collect {|i| 10**i}.find {|i| (DateTime.new(2013,1,1,0,0,0) <=> DateTime.new(2013,1,1,0,0,Rational(i,1000000))) < 0}
raise 'Unable to compare DateTimes at a resolution less than one second on this platform' unless DATETIME_RESOLUTION