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# frozen_string_literal: true
require 'test/unit'
require 'tmpdir'
class TestTmpdir < Test::Unit::TestCase
def test_tmpdir_modifiable
tmpdir = Dir.tmpdir
assert_not_predicate(tmpdir, :frozen?)
tmpdir_org = tmpdir.dup
tmpdir << "foo"
assert_equal(tmpdir_org, Dir.tmpdir)
end
def test_world_writable
omit "no meaning on this platform" if /mswin|mingw/ =~ RUBY_PLATFORM
Dir.mktmpdir do |tmpdir|
# ToDo: fix for parallel test
envs = %w[TMPDIR TMP TEMP]
oldenv = envs.each_with_object({}) {|v, h| h[v] = ENV.delete(v)}
begin
envs.each do |e|
tmpdirx = File.join(tmpdir, e)
ENV[e] = tmpdirx
assert_not_equal(tmpdirx, assert_warn('') {Dir.tmpdir})
File.write(tmpdirx, "")
assert_not_equal(tmpdirx, assert_warn(/\A#{e} is not a directory/) {Dir.tmpdir})
File.unlink(tmpdirx)
ENV[e] = tmpdir
assert_equal(tmpdir, Dir.tmpdir)
File.chmod(0555, tmpdir)
assert_not_equal(tmpdir, assert_warn(/\A#{e} is not writable/) {Dir.tmpdir})
File.chmod(0777, tmpdir)
assert_not_equal(tmpdir, assert_warn(/\A#{e} is world-writable/) {Dir.tmpdir})
newdir = Dir.mktmpdir("d", tmpdir) do |dir|
assert_file.directory? dir
assert_equal(tmpdir, File.dirname(dir))
dir
end
assert_file.not_exist?(newdir)
File.chmod(01777, tmpdir)
assert_equal(tmpdir, Dir.tmpdir)
ENV[e] = nil
end
ensure
ENV.update(oldenv)
end
end
end
def test_tmpdir_not_empty_parent
Dir.mktmpdir do |tmpdir|
envs = %w[TMPDIR TMP TEMP]
oldenv = envs.each_with_object({}) {|v, h| h[v] = ENV.delete(v)}
ENV[envs[0]] = ""
ENV[envs[1]] = tmpdir
assert_equal(tmpdir, Dir.tmpdir)
ensure
ENV.update(oldenv)
end
end
def test_no_homedir
bug7547 = '[ruby-core:50793]'
home, ENV["HOME"] = ENV["HOME"], nil
dir = assert_nothing_raised(bug7547) do
break Dir.mktmpdir("~")
end
assert_match(/\A~/, File.basename(dir), bug7547)
ensure
ENV["HOME"] = home
Dir.rmdir(dir) if dir
end
def test_mktmpdir_nil
Dir.mktmpdir(nil) {|d|
assert_kind_of(String, d)
}
end
def test_mktmpdir_mutate
bug16918 = '[ruby-core:98563]'
assert_nothing_raised(bug16918) do
assert_mktmpdir_traversal do |traversal_path|
Dir.mktmpdir(traversal_path + 'foo') do |actual|
actual << "foo"
end
end
end
end
def test_mktmpdir_traversal
assert_mktmpdir_traversal do |traversal_path|
Dir.mktmpdir(traversal_path + 'foo') do |actual|
actual
end
end
end
def test_mktmpdir_traversal_array
assert_mktmpdir_traversal do |traversal_path|
Dir.mktmpdir([traversal_path, 'foo']) do |actual|
actual
end
end
end
def assert_mktmpdir_traversal
Dir.mktmpdir do |target|
target = target.chomp('/') + '/'
traversal_path = target.sub(/\A\w:/, '') # for DOSISH
traversal_path = Array.new(target.count('/')-2, '..').join('/') + traversal_path
[File::SEPARATOR, File::ALT_SEPARATOR].compact.each do |separator|
actual = yield traversal_path.tr('/', separator)
assert_not_send([File.absolute_path(actual), :start_with?, target])
end
end
end
def test_ractor
assert_ractor(<<~'end;', require: "tmpdir")
r = Ractor.new do
Dir.mktmpdir() do |d|
Ractor.yield d
Ractor.receive
end
end
dir = r.take
assert_file.directory? dir
r.send true
r.take
assert_file.not_exist? dir
end;
end
end
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