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require 'test/unit'
require 'tmpdir'
require 'fileutils'
class TestDir < Test::Unit::TestCase
def setup
@root = Dir.mktmpdir('__test_dir__')
@nodir = File.join(@root, "dummy")
for i in ?a..?z
if i.ord % 2 == 0
FileUtils.touch(File.join(@root, i))
else
FileUtils.mkdir(File.join(@root, i))
end
end
end
def teardown
FileUtils.remove_entry_secure @root if File.directory?(@root)
end
def test_seek
dir = Dir.open(@root)
begin
cache = []
loop do
pos = dir.tell
break unless name = dir.read
cache << [pos, name]
end
for x,y in cache.sort_by {|z| z[0] % 3 } # shuffle
dir.seek(x)
assert_equal(y, dir.read)
end
ensure
dir.close
end
end
def test_JVN_13947696
b = lambda {
d = Dir.open('.')
$SAFE = 4
d.close
}
assert_raise(SecurityError) { b.call }
end
def test_nodir
assert_raise(Errno::ENOENT) { Dir.open(@nodir) }
end
def test_inspect
d = Dir.open(@root)
assert_match(/^#<Dir:#{ Regexp.quote(@root) }>$/, d.inspect)
assert_match(/^#<Dir:.*>$/, Dir.allocate.inspect)
ensure
d.close
end
def test_path
d = Dir.open(@root)
assert_equal(@root, d.path)
assert_nil(Dir.allocate.path)
ensure
d.close
end
def test_set_pos
d = Dir.open(@root)
loop do
i = d.pos
break unless x = d.read
d.pos = i
assert_equal(x, d.read)
end
ensure
d.close
end
def test_rewind
d = Dir.open(@root)
a = (0..5).map { d.read }
d.rewind
b = (0..5).map { d.read }
assert_equal(a, b)
assert_raise(SecurityError) do
Thread.new do
$SAFE = 4
d.rewind
end.join
end
ensure
d.close
end
def test_chdir
@pwd = Dir.pwd
@env_home = ENV["HOME"]
@env_logdir = ENV["LOGDIR"]
ENV.delete("HOME")
ENV.delete("LOGDIR")
assert_raise(Errno::ENOENT) { Dir.chdir(@nodir) }
assert_raise(ArgumentError) { Dir.chdir }
ENV["HOME"] = @pwd
Dir.chdir do
assert_equal(@pwd, Dir.pwd)
Dir.chdir(@root)
assert_equal(@root, Dir.pwd)
end
ensure
begin
Dir.chdir(@pwd)
rescue
abort("cannot return the original directory: #{ @pwd }")
end
if @env_home
ENV["HOME"] = @env_home
else
ENV.delete("HOME")
end
if @env_logdir
ENV["LOGDIR"] = @env_logdir
else
ENV.delete("LOGDIR")
end
end
def test_chroot_nodir
assert_raise(NotImplementedError, Errno::ENOENT) { Dir.chroot(File.join(@nodir, "")) }
end
def test_close
d = Dir.open(@root)
d.close
assert_raise(IOError) { d.read }
end
def test_glob
assert_equal((%w(. ..) + (?a..?z).to_a).map{|f| File.join(@root, f) },
Dir.glob(File.join(@root, "*"), File::FNM_DOTMATCH).sort)
assert_equal([@root] + (?a..?z).map {|f| File.join(@root, f) },
Dir.glob([@root, File.join(@root, "*")]))
assert_equal([@root] + (?a..?z).map {|f| File.join(@root, f) },
Dir.glob(@root + "\0\0\0" + File.join(@root, "*")))
assert_equal((?a..?z).step(2).map {|f| File.join(File.join(@root, f), "") },
Dir.glob(File.join(@root, "*/")))
FileUtils.touch(File.join(@root, "{}"))
assert_equal(%w({} a).map{|f| File.join(@root, f) },
Dir.glob(File.join(@root, '{\{\},a}')))
assert_equal([], Dir.glob(File.join(@root, '[')))
assert_equal([], Dir.glob(File.join(@root, '[a-\\')))
end
def test_foreach
assert_equal(Dir.foreach(@root).to_a.sort, %w(. ..) + (?a..?z).to_a)
end
end
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