require 'test/unit'
require 'tempfile'
require_relative 'envutil'
require_relative 'ut_eof'
class TestFile < Test::Unit::TestCase
def test_unlink_before_close
Dir.mktmpdir('rubytest-file') {|tmpdir|
filename = tmpdir + '/' + File.basename(__FILE__) + ".#{$$}"
w = File.open(filename, "w")
w << "foo"
w.close
r = File.open(filename, "r")
begin
if /(mswin|bccwin|mingw|emx)/ =~ RUBY_PLATFORM
assert_raise(Errno::EACCES) {File.unlink(filename)}
else
assert_nothing_raised {File.unlink(filename)}
end
ensure
r.close
File.unlink(filename) if File.exist?(filename)
end
}
end
include TestEOF
def open_file(content)
f = Tempfile.new("test-eof")
f << content
f.rewind
yield f
ensure
f.close(true)
end
alias open_file_rw open_file
include TestEOF::Seek
def test_empty_file_bom
bug6487 = '[ruby-core:45203]'
f = Tempfile.new(__method__.to_s)
f.close
assert_file.exist?(f.path)
assert_nothing_raised(bug6487) {File.read(f.path, mode: 'r:utf-8')}
assert_nothing_raised(bug6487) {File.read(f.path, mode: 'r:bom|utf-8')}
f.close(true)
end
def assert_bom(bytes, name)
bug6487 = '[ruby-core:45203]'
f = Tempfile.new(name.to_s)
f.sync = true
expected = ""
result = nil
bytes[0...-1].each do |x|
f.write x
f.write ' '
f.pos -= 1
expected << x
assert_nothing_raised(bug6487) {result = File.read(f.path, mode: 'rb:bom|utf-8')}
assert_equal("#{expected} ".force_encoding("utf-8"), result)
end
f.write bytes[-1]
assert_nothing_raised(bug6487) {result = File.read(f.path, mode: 'rb:bom|utf-8')}
assert_equal '', result, "valid bom"
f.close(true)
end
def test_bom_8
assert_bom(["\xEF", "\xBB", "\xBF"], __method__)
end
def test_bom_16be
assert_bom(["\xFE", "\xFF"], __method__)
end
def test_bom_16le
assert_bom(["\xFF", "\xFE"], __method__)
end
def test_bom_32be
assert_bom(["\0", "\0", "\xFE", "\xFF"], __method__)
end
def test_bom_32le
assert_bom(["\xFF\xFE\0", "\0"], __method__)
end
def test_truncate_wbuf
f = Tempfile.new("test-truncate")
f.print "abc"
f.truncate(0)
f.print "def"
f.flush
assert_equal("\0\0\0def", File.read(f.path), "[ruby-dev:24191]")
f.close(true)
end
def test_truncate_rbuf
f = Tempfile.new("test-truncate")
f.puts "abc"
f.puts "def"
f.close
f.open
assert_equal("abc\n", f.gets)
f.truncate(3)
assert_equal(nil, f.gets, "[ruby-dev:24197]")
f.close(true)
end
def test_truncate_beyond_eof
f = Tempfile.new("test-truncate")
f.print "abc"
f.truncate 10
assert_equal("\0" * 7, f.read(100), "[ruby-dev:24532]")
f.close(true)
end
def test_read_all_extended_file
[nil, {:textmode=>true}, {:binmode=>true}].each do |mode|
f = Tempfile.new("test-extended-file", mode)
assert_nil(f.getc)
f.print "a"
f.rewind
assert_equal("a", f.read, "mode = <#{mode}>")
f.close(true)
end
end
def test_gets_extended_file
[nil, {:textmode=>true}, {:binmode=>true}].each do |mode|
f = Tempfile.new("test-extended-file", mode)
assert_nil(f.getc)
f.print "a"
f.rewind
assert_equal("a", f.gets("a"), "mode = <#{mode}>")
f.close(true)
end
end
def test_gets_para_extended_file
[nil, {:textmode=>true}, {:binmode=>true}].each do |mode|
f = Tempfile.new("test-extended-file", mode)
assert_nil(f.getc)
f.print "\na"
f.rewind
assert_equal("a", f.gets(""), "mode = <#{mode}>")
f.close(true)
end
end
def test_each_char_extended_file
[nil, {:textmode=>true}, {:binmode=>true}].each do |mode|
f = Tempfile.new("test-extended-file", mode)
assert_nil(f.getc)
f.print "a"
f.rewind
result = []
f.each_char {|b| result << b }
assert_equal([?a], result, "mode = <#{mode}>")
f.close(true)
end
end
def test_each_byte_extended_file
[nil, {:textmode=>true}, {:binmode=>true}].each do |mode|
f = Tempfile.new("test-extended-file", mode)
assert_nil(f.getc)
f.print "a"
f.rewind
result = []
f.each_byte {|b| result << b.chr }
assert_equal([?a], result, "mode = <#{mode}>")
f.close(true)
end
end
def test_getc_extended_file
[nil, {:textmode=>true}, {:binmode=>true}].each do |mode|
f = Tempfile.new("test-extended-file", mode)
assert_nil(f.getc)
f.print "a"
f.rewind
assert_equal(?a, f.getc, "mode = <#{mode}>")
f.close(true)
end
end
def test_getbyte_extended_file
[nil, {:textmode=>true}, {:binmode=>true}].each do |mode|
f = Tempfile.new("test-extended-file", mode)
assert_nil(f.getc)
f.print "a"
f.rewind
assert_equal(?a, f.getbyte.chr, "mode = <#{mode}>")
f.close(true)
end
end
def test_s_chown
assert_nothing_raised { File.chown(-1, -1) }
assert_nothing_raised { File.chown nil, nil }
end
def test_chown
assert_nothing_raised {
File.open(__FILE__) {|f| f.chown(-1, -1) }
}
assert_nothing_raised("[ruby-dev:27140]") {
File.open(__FILE__) {|f| f.chown nil, nil }
}
end
def test_uninitialized
assert_raise(TypeError) { File::Stat.allocate.readable? }
assert_nothing_raised { File::Stat.allocate.inspect }
end
def test_realpath
Dir.mktmpdir('rubytest-realpath') {|tmpdir|
realdir = File.realpath(tmpdir)
tst = realdir + (File::SEPARATOR*3 + ".")
assert_equal(realdir, File.realpath(tst))
assert_equal(realdir, File.realpath(".", tst))
if File::ALT_SEPARATOR
bug2961 = '[ruby-core:28653]'
assert_equal(realdir, File.realpath(realdir.tr(File::SEPARATOR, File::ALT_SEPARATOR)), bug2961)
end
}
end
def test_realdirpath
Dir.mktmpdir('rubytest-realdirpath') {|tmpdir|
realdir = File.realpath(tmpdir)
tst = realdir + (File::SEPARATOR*3 + ".")
assert_equal(realdir, File.realdirpath(tst))
assert_equal(realdir, File.realdirpath(".", tst))
assert_equal(File.join(realdir, "foo"), File.realdirpath("foo", tst))
}
begin
result = File.realdirpath("bar", "//:/foo")
rescue SystemCallError
else
if result.start_with?("//")
assert_equal("//:/foo/bar", result)
end
end
end
def test_utime_with_minus_time_segv
bug5596 = '[ruby-dev:44838]'
assert_in_out_err([], <<-EOS, [bug5596], [])
require "tempfile"
t = Time.at(-1)
begin
f = Tempfile.new('test_utime_with_minus_time_segv')
File.utime(t, t, f)
rescue
ensure
f.close(true)
end
puts '#{bug5596}'
EOS
end
def test_utime
bug6385 = '[ruby-core:44776]'
mod_time_contents = Time.at 1306527039
file = Tempfile.new("utime")
file.close
path = file.path
File.utime(File.atime(path), mod_time_contents, path)
stats = File.stat(path)
file.open
file_mtime = file.mtime
file.close(true)
assert_equal(mod_time_contents, file_mtime, bug6385)
assert_equal(mod_time_contents, stats.mtime, bug6385)
end
def test_chmod_m17n
bug5671 = '[ruby-dev:44898]'
Dir.mktmpdir('test-file-chmod-m17n-') do |tmpdir|
file = File.join(tmpdir, "\u3042")
File.open(file, 'w'){}
assert_equal(File.chmod(0666, file), 1, bug5671)
end
end
def test_file_open_permissions
Dir.mktmpdir(__method__.to_s) do |tmpdir|
tmp = File.join(tmpdir, 'x')
File.open(tmp, :mode => IO::RDWR | IO::CREAT | IO::BINARY,
:encoding => Encoding::ASCII_8BIT) do |x|
assert x.autoclose?
assert_equal Encoding::ASCII_8BIT, x.external_encoding
assert x.write 'hello'
x.seek 0, IO::SEEK_SET
assert_equal 'hello', x.read
end
end
end
def test_file_open_double_mode
e = assert_raises(ArgumentError) { File.open("a", 'w', :mode => 'rw+') }
assert_equal 'mode specified twice', e.message
end
def test_conflicting_encodings
Dir.mktmpdir(__method__.to_s) do |tmpdir|
tmp = File.join(tmpdir, 'x')
File.open(tmp, 'wb', :encoding => Encoding::EUC_JP) do |x|
assert_equal Encoding::EUC_JP, x.external_encoding
end
end
end
def test_untainted_path
bug5374 = '[ruby-core:39745]'
cwd = ("./"*40+".".taint).dup.untaint
in_safe = proc {|safe| $SAFE = safe; File.stat(cwd)}
assert_not_send([cwd, :tainted?])
(0..1).each do |level|
assert_nothing_raised(SecurityError, bug5374) {in_safe[level]}
end
end
if /(bcc|ms|cyg)win|mingw|emx/ =~ RUBY_PLATFORM
def test_long_unc
feature3399 = '[ruby-core:30623]'
path = File.expand_path(__FILE__)
path.sub!(%r'\A//', 'UNC/')
assert_nothing_raised(Errno::ENOENT, feature3399) do
File.stat("//?/#{path}")
end
end
end
def test_open_nul
Dir.mktmpdir(__method__.to_s) do |tmpdir|
path = File.join(tmpdir, "foo")
assert_raise(ArgumentError) do
open(path + "\0bar", "w") {}
end
assert_file.not_exist?(path)
end
end
end