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-rw-r--r--test/test_tempfile.rb511
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diff --git a/test/test_tempfile.rb b/test/test_tempfile.rb
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+# frozen_string_literal: true
+require 'test/unit'
+require 'tempfile'
+
+class TestTempfile < Test::Unit::TestCase
+ LIB_TEMPFILE_RB_PATH = File.expand_path(__dir__ + "/../lib/tempfile.rb")
+
+ def initialize(*)
+ super
+ @tempfile = nil
+ end
+
+ def tempfile(*args, **kw, &block)
+ t = Tempfile.new(*args, **kw, &block)
+ @tempfile = (t unless block)
+ end
+
+ def teardown
+ if @tempfile
+ @tempfile.close!
+ end
+ end
+
+ def test_leakchecker
+ assert_instance_of(Tempfile, Tempfile.allocate)
+ end
+
+ def test_basic
+ t = tempfile("foo")
+ path = t.path
+ t.write("hello world")
+ t.close
+ assert_equal "hello world", File.read(path)
+ end
+
+ def test_saves_in_given_directory
+ subdir = File.join(Dir.tmpdir, "tempfile-test-#{rand}")
+ Dir.mkdir(subdir)
+ begin
+ tempfile = Tempfile.new("foo", subdir)
+ tempfile.close
+ begin
+ assert_equal subdir, File.dirname(tempfile.path)
+ ensure
+ tempfile.unlink
+ end
+ ensure
+ Dir.rmdir(subdir)
+ end
+ end
+
+ def test_basename
+ t = tempfile("foo")
+ assert_match(/^foo/, File.basename(t.path))
+ end
+
+ def test_default_basename
+ t = tempfile
+ assert_file.exist?(t.path)
+ end
+
+ def test_basename_with_suffix
+ t = tempfile(["foo", ".txt"])
+ assert_match(/^foo/, File.basename(t.path))
+ assert_match(/\.txt$/, File.basename(t.path))
+ end
+
+ def test_dup
+ t = tempfile
+ t2 = t.dup
+ t2.close
+ assert_equal true, t2.closed?
+ assert_equal false, t.closed?
+ end
+
+ def test_clone
+ t = tempfile
+ t2 = t.clone
+ t2.close
+ assert_equal true, t2.closed?
+ assert_equal false, t.closed?
+ end
+
+ def test_unlink
+ t = tempfile("foo")
+ path = t.path
+
+ t.close
+ assert_file.exist?(path)
+
+ t.unlink
+ assert_file.not_exist?(path)
+
+ assert_nil t.path
+ end
+
+ def test_unlink_silently_fails_on_windows
+ tempfile = tempfile("foo")
+ path = tempfile.path
+ begin
+ assert_nothing_raised do
+ tempfile.unlink
+ end
+ ensure
+ tempfile.close
+ File.unlink(path) if File.exist?(path)
+ end
+ end
+
+ def test_unlink_before_close_works_on_posix_systems
+ tempfile = tempfile("foo")
+ begin
+ path = tempfile.path
+ tempfile.unlink
+ assert_file.not_exist?(path)
+ tempfile.write("hello ")
+ tempfile.write("world\n")
+ tempfile.rewind
+ assert_equal "hello world\n", tempfile.read
+ ensure
+ tempfile.close
+ tempfile.unlink
+ end
+ end unless /mswin|mingw/ =~ RUBY_PLATFORM
+
+ def test_close_and_close_p
+ t = tempfile("foo")
+ assert_not_predicate(t, :closed?)
+ t.close
+ assert_predicate(t, :closed?)
+ end
+
+ def test_close_with_unlink_now_true_works
+ t = tempfile("foo")
+ path = t.path
+ t.close(true)
+ assert_predicate(t, :closed?)
+ assert_nil t.path
+ assert_file.not_exist?(path)
+ end
+
+ def test_close_with_unlink_now_true_does_not_unlink_if_already_unlinked
+ t = tempfile("foo")
+ path = t.path
+ t.unlink
+ File.open(path, "w").close
+ begin
+ t.close(true)
+ assert_file.exist?(path)
+ ensure
+ File.unlink(path) rescue nil
+ end
+ end unless /mswin|mingw/ =~ RUBY_PLATFORM
+
+ def test_close_bang_works
+ t = tempfile("foo")
+ path = t.path
+ t.close!
+ assert_predicate(t, :closed?)
+ assert_nil t.path
+ assert_file.not_exist?(path)
+ end
+
+ def test_close_bang_does_not_unlink_if_already_unlinked
+ t = tempfile("foo")
+ path = t.path
+ t.unlink
+ File.open(path, "w").close
+ begin
+ t.close!
+ assert_file.exist?(path)
+ ensure
+ File.unlink(path) rescue nil
+ end
+ end unless /mswin|mingw/ =~ RUBY_PLATFORM
+
+ def test_finalizer_removes_file
+ assert_in_out_err("-r#{LIB_TEMPFILE_RB_PATH}", <<~RUBY) do |(filename,*), (error,*)|
+ file = Tempfile.new("foo")
+ puts file.path
+ RUBY
+ assert_file.not_exist?(filename)
+ assert_nil error
+ end
+ end
+
+ def test_finalizer_removes_file_when_dup
+ assert_in_out_err("-r#{LIB_TEMPFILE_RB_PATH}", <<~RUBY) do |(filename,*), (error,*)|
+ file = Tempfile.new("foo")
+ file.dup
+ puts file.path
+ RUBY
+ assert_file.not_exist?(filename)
+ assert_nil error
+ end
+ end
+
+ def test_finalizer_removes_file_when_clone
+ assert_in_out_err("-r#{LIB_TEMPFILE_RB_PATH}", <<~RUBY) do |(filename,*), (error,*)|
+ file = Tempfile.new("foo")
+ file.clone
+ puts file.path
+ RUBY
+ assert_file.not_exist?(filename)
+ assert_nil error
+ end
+ end
+
+ def test_finalizer_does_not_unlink_if_already_unlinked
+ assert_in_out_err("-r#{LIB_TEMPFILE_RB_PATH}", <<-'EOS') do |(filename,*), (error,*)|
+file = Tempfile.new('foo')
+path = file.path
+puts path
+file.close!
+File.open(path, "w").close
+ EOS
+ assert_file.exist?(filename)
+ File.unlink(filename)
+ assert_nil error
+ end
+
+ assert_in_out_err("-r#{LIB_TEMPFILE_RB_PATH}", <<-'EOS') do |(filename,*), (error,*)|
+file = Tempfile.new('foo')
+path = file.path
+file.unlink
+puts path
+File.open(path, "w").close
+ EOS
+ if !filename.empty?
+ # POSIX unlink semantics supported, continue with test
+ assert_file.exist?(filename)
+ File.unlink(filename)
+ end
+ assert_nil error
+ end
+ end unless /mswin|mingw/ =~ RUBY_PLATFORM
+
+ def test_close_does_not_make_path_nil
+ t = tempfile("foo")
+ t.close
+ assert_not_nil t.path
+ end
+
+ def test_close_flushes_buffer
+ t = tempfile("foo")
+ t.write("hello")
+ t.close
+ assert_equal 5, File.size(t.path)
+ end
+
+ def test_tempfile_is_unlinked_when_ruby_exits
+ assert_in_out_err("-r#{LIB_TEMPFILE_RB_PATH}", <<-'EOS') do |(filename), (error)|
+puts Tempfile.new('foo').path
+ EOS
+ assert_file.for("tempfile must not be exist after GC.").not_exist?(filename)
+ assert_nil(error)
+ end
+ end
+
+ def test_tempfile_finalizer_does_not_run_if_unlinked
+ bug8768 = '[ruby-core:56521] [Bug #8768]'
+ assert_in_out_err("-r#{LIB_TEMPFILE_RB_PATH}", <<-'EOS') do |(filename), (error)|
+ tmp = Tempfile.new('foo')
+ puts tmp.path
+ tmp.close
+ tmp.unlink
+ $DEBUG = true
+ EOS
+ assert_file.not_exist?(filename)
+ assert_nil(error, "#{bug8768} we used to get a confusing 'removing ...done' here")
+ end
+ end
+
+ def test_size_flushes_buffer_before_determining_file_size
+ t = tempfile("foo")
+ t.write("hello")
+ assert_equal 0, File.size(t.path)
+ assert_equal 5, t.size
+ assert_equal 5, File.size(t.path)
+ end
+
+ def test_size_works_if_file_is_closed
+ t = tempfile("foo")
+ t.write("hello")
+ t.close
+ assert_equal 5, t.size
+ end
+
+ def test_size_on_empty_file
+ t = tempfile("foo")
+ t.write("")
+ t.close
+ assert_equal 0, t.size
+ end
+
+ def test_concurrency
+ threads = []
+ tempfiles = []
+ lock = Thread::Mutex.new
+ cond = Thread::ConditionVariable.new
+ start = false
+
+ 4.times do
+ threads << Thread.new do
+ lock.synchronize do
+ while !start
+ cond.wait(lock)
+ end
+ end
+ result = []
+ 30.times do
+ result << Tempfile.new('foo')
+ end
+ Thread.current[:result] = result
+ end
+ end
+
+ lock.synchronize do
+ start = true
+ cond.broadcast
+ end
+ threads.each do |thread|
+ thread.join
+ tempfiles |= thread[:result]
+ end
+ filenames = tempfiles.map { |f| f.path }
+ begin
+ assert_equal filenames.size, filenames.uniq.size
+ ensure
+ tempfiles.each do |tempfile|
+ tempfile.close!
+ end
+ end
+ end
+
+ module M
+ end
+
+ def test_extend
+ o = tempfile("foo")
+ o.extend M
+ assert(M === o, "[ruby-dev:32932]")
+ end
+
+ def test_tempfile_encoding_nooption
+ default_external=Encoding.default_external
+ t = tempfile("TEST")
+ t.write("\xE6\x9D\xBE\xE6\xB1\x9F")
+ t.rewind
+ assert_equal(default_external,t.read.encoding)
+ end
+
+ def test_tempfile_encoding_ascii8bit
+ t = tempfile("TEST",:encoding=>"ascii-8bit")
+ t.write("\xE6\x9D\xBE\xE6\xB1\x9F")
+ t.rewind
+ assert_equal(Encoding::ASCII_8BIT,t.read.encoding)
+ end
+
+ def test_tempfile_encoding_ascii8bit2
+ t = tempfile("TEST",Dir::tmpdir,:encoding=>"ascii-8bit")
+ t.write("\xE6\x9D\xBE\xE6\xB1\x9F")
+ t.rewind
+ assert_equal(Encoding::ASCII_8BIT,t.read.encoding)
+ end
+
+ def test_binmode
+ t = tempfile("TEST", mode: IO::BINARY)
+ if IO::BINARY.nonzero?
+ assert(t.binmode?)
+ t.open
+ assert(t.binmode?, 'binmode after reopen')
+ else
+ assert_equal(0600, t.stat.mode & 0777)
+ end
+ end
+
+ def test_create_with_block
+ path = nil
+ Tempfile.create("tempfile-create") {|f|
+ path = f.path
+ assert_file.exist?(path)
+ }
+ assert_file.not_exist?(path)
+
+ Tempfile.create("tempfile-create") {|f|
+ path = f.path
+ f.close
+ File.unlink(f.path)
+ }
+ assert_file.not_exist?(path)
+ end
+
+ def test_create_without_block
+ path = nil
+ f = Tempfile.create("tempfile-create")
+ path = f.path
+ assert_file.exist?(path)
+ f.close
+ assert_file.exist?(path)
+ ensure
+ f&.close
+ File.unlink path if path
+ end
+
+ def test_create_default_basename
+ path = nil
+ Tempfile.create {|f|
+ path = f.path
+ assert_file.exist?(path)
+ }
+ assert_file.not_exist?(path)
+ end
+
+ def test_open
+ Tempfile.open {|f|
+ file = f.open
+ assert_kind_of File, file
+ assert_equal f.to_i, file.to_i
+ }
+ end
+
+ def test_open_traversal_dir
+ assert_mktmpdir_traversal do |traversal_path|
+ t = Tempfile.open([traversal_path, 'foo'])
+ t.path
+ ensure
+ t&.close!
+ end
+ end
+
+ def test_new_traversal_dir
+ assert_mktmpdir_traversal do |traversal_path|
+ t = Tempfile.new(traversal_path + 'foo')
+ t.path
+ ensure
+ t&.close!
+ end
+ end
+
+ def test_create_traversal_dir
+ assert_mktmpdir_traversal do |traversal_path|
+ t = Tempfile.create(traversal_path + 'foo')
+ t.path
+ ensure
+ if t
+ t.close
+ File.unlink(t.path)
+ 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
+ actual = yield traversal_path
+ assert_not_send([File.absolute_path(actual), :start_with?, target])
+ end
+ end
+
+ def test_create_anonymous_without_block
+ t = Tempfile.create(anonymous: true)
+ assert_equal(File, t.class)
+ assert_equal(0600, t.stat.mode & 0777) unless /mswin|mingw/ =~ RUBY_PLATFORM
+ t.puts "foo"
+ t.rewind
+ assert_equal("foo\n", t.read)
+ t.close
+ ensure
+ t.close if t
+ end
+
+ def test_create_anonymous_with_block
+ result = Tempfile.create(anonymous: true) {|t|
+ assert_equal(File, t.class)
+ assert_equal(0600, t.stat.mode & 0777) unless /mswin|mingw/ =~ RUBY_PLATFORM
+ t.puts "foo"
+ t.rewind
+ assert_equal("foo\n", t.read)
+ :result
+ }
+ assert_equal(:result, result)
+ end
+
+ def test_create_anonymous_removes_file
+ Dir.mktmpdir {|d|
+ t = Tempfile.create("", d, anonymous: true)
+ t.close
+ assert_equal([], Dir.children(d))
+ }
+ end
+
+ def test_create_anonymous_path
+ Dir.mktmpdir {|d|
+ begin
+ t = Tempfile.create("", d, anonymous: true)
+ assert_equal(File.join(d, ""), t.path)
+ ensure
+ t.close if t
+ end
+ }
+ end
+
+ def test_create_anonymous_autoclose
+ Tempfile.create(anonymous: true) {|t|
+ assert_equal(true, t.autoclose?)
+ }
+ end
+end