require 'test/unit' require 'tempfile' require_relative 'ruby/envutil' class TestTempfile < Test::Unit::TestCase def initialize(*) super @tempfile = nil end def tempfile(*args, &block) t = Tempfile.new(*args, &block) @tempfile = (t unless block) end def teardown if @tempfile @tempfile.close! end 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_dir_tmpdir_by_default t = tempfile("foo") assert_equal Dir.tmpdir, File.dirname(t.path) bug3733 = '[ruby-dev:42089]' assert_nothing_raised(SecurityError, bug3733) { proc {$SAFE = 1; File.expand_path(Dir.tmpdir)}.call } end def test_saves_in_given_directory subdir = File.join(Dir.tmpdir, "tempfile-test-#{rand}") Dir.mkdir(subdir) begin tempfile = Tempfile.new("foo", subdir) tempfile.close begin assert_equal subdir, File.dirname(tempfile.path) ensure tempfile.unlink end ensure Dir.rmdir(subdir) end end def test_basename t = tempfile("foo") assert_match(/^foo/, File.basename(t.path)) end def test_basename_with_suffix t = tempfile(["foo", ".txt"]) assert_match(/^foo/, File.basename(t.path)) assert_match(/\.txt$/, File.basename(t.path)) end def test_unlink t = tempfile("foo") path = t.path t.close assert File.exist?(path) t.unlink assert !File.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 skip "on Windows, unlink is always delayed" if /mswin|mingw/ =~ RUBY_PLATFORM tempfile = tempfile("foo") begin path = tempfile.path tempfile.unlink assert !File.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 def test_close_and_close_p t = tempfile("foo") assert !t.closed? t.close assert t.closed? end def test_close_with_unlink_now_true_works t = tempfile("foo") path = t.path t.close(true) assert t.closed? assert_nil t.path assert !File.exist?(path) end def test_close_with_unlink_now_true_does_not_unlink_if_already_unlinked skip "on Windows, unlink is always delayed" if /mswin|mingw/ =~ RUBY_PLATFORM 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 def test_close_bang_works t = tempfile("foo") path = t.path t.close! assert t.closed? assert_nil t.path assert !File.exist?(path) end def test_close_bang_does_not_unlink_if_already_unlinked skip "on Windows, unlink is always delayed" if /mswin|mingw/ =~ RUBY_PLATFORM 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 def test_finalizer_does_not_unlink_if_already_unlinked skip "on Windows, unlink is always delayed" if /mswin|mingw/ =~ RUBY_PLATFORM assert_in_out_err('-rtempfile', <<-'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('-rtempfile', <<-'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 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('-rtempfile', <<-'EOS') do |(filename), (error)| puts Tempfile.new('foo').path EOS assert !File.exist?(filename) 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_concurrency threads = [] tempfiles = [] lock = Mutex.new cond = 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 default_external=Encoding.default_external 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 default_external=Encoding.default_external 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 end