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ruby--ruby/test/ruby/test_dir.rb
2021-11-18 21:47:18 +09:00

610 lines
20 KiB
Ruby

# frozen_string_literal: false
require 'test/unit'
require 'tmpdir'
require 'fileutils'
class TestDir < Test::Unit::TestCase
def setup
@verbose = $VERBOSE
@root = File.realpath(Dir.mktmpdir('__test_dir__'))
@nodir = File.join(@root, "dummy")
@dirs = []
for i in "a".."z"
if i.ord % 2 == 0
FileUtils.touch(File.join(@root, i))
else
FileUtils.mkdir(File.join(@root, i))
@dirs << File.join(i, "")
end
end
end
def teardown
$VERBOSE = @verbose
FileUtils.remove_entry_secure @root if File.directory?(@root)
end
def test_seek
dir = Dir.open(@root)
begin
cache = []
loop do
pos = dir.tell
break unless name = dir.read
cache << [pos, name]
end
for x,y in cache.sort_by {|z| z[0] % 3 } # shuffle
dir.seek(x)
assert_equal(y, dir.read)
end
ensure
dir.close
end
end
def test_nodir
assert_raise(Errno::ENOENT) { Dir.open(@nodir) }
end
def test_inspect
d = Dir.open(@root)
assert_match(/^#<Dir:#{ Regexp.quote(@root) }>$/, 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)
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_warning(/conflicting chdir during another chdir block/) { Dir.chdir(pwd) }
assert_warning(/conflicting chdir during another chdir block/) { Dir.chdir(@root) }
assert_equal(@root, Dir.pwd)
assert_warning(/conflicting chdir during another chdir block/) { Dir.chdir(pwd) }
assert_raise(RuntimeError) { Thread.new { Thread.current.report_on_exception = false; Dir.chdir(@root) }.join }
assert_raise(RuntimeError) { Thread.new { Thread.current.report_on_exception = false; Dir.chdir(@root) { } }.join }
assert_warning(/conflicting chdir during another chdir block/) { Dir.chdir(pwd) }
assert_warning(/conflicting chdir during another chdir block/) { Dir.chdir(@root) }
assert_equal(@root, Dir.pwd)
assert_warning(/conflicting chdir during another chdir block/) { Dir.chdir(pwd) }
Dir.chdir(@root) do
assert_equal(@root, Dir.pwd)
end
assert_equal(pwd, Dir.pwd)
end
ensure
begin
Dir.chdir(pwd)
rescue
abort("cannot return the original directory: #{ pwd }")
end
ENV["HOME"] = env_home
ENV["LOGDIR"] = env_logdir
end
def test_chdir_conflict
pwd = Dir.pwd
q = Thread::Queue.new
t = Thread.new do
q.pop
Dir.chdir(pwd) rescue $!
end
Dir.chdir(pwd) do
q.push nil
assert_instance_of(RuntimeError, t.value)
end
t = Thread.new do
q.pop
Dir.chdir(pwd){} rescue $!
end
Dir.chdir(pwd) do
q.push nil
assert_instance_of(RuntimeError, t.value)
end
end
def test_chroot_nodir
skip if RUBY_PLATFORM =~ /android/
assert_raise(NotImplementedError, Errno::ENOENT, Errno::EPERM
) { Dir.chroot(File.join(@nodir, "")) }
end
def test_close
d = Dir.open(@root)
d.close
assert_nothing_raised(IOError) { 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))
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, File.join(@root, "*")], sort: false).sort)
assert_equal([@root] + ("a".."z").map {|f| File.join(@root, f) },
Dir.glob([@root, File.join(@root, "*")], sort: true))
assert_raise_with_message(ArgumentError, /nul-separated/) do
Dir.glob(@root + "\0\0\0" + File.join(@root, "*"))
end
assert_raise_with_message(ArgumentError, /expected true or false/) do
Dir.glob(@root, sort: 1)
end
assert_raise_with_message(ArgumentError, /expected true or false/) do
Dir.glob(@root, sort: nil)
end
assert_equal(("a".."z").step(2).map {|f| File.join(File.join(@root, f), "") },
Dir.glob(File.join(@root, "*/")))
assert_equal([File.join(@root, '//a')], Dir.glob(@root + '//a'))
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-\\')))
assert_equal([File.join(@root, "a")], Dir.glob(File.join(@root, 'a\\')))
assert_equal(("a".."f").map {|f| File.join(@root, f) }, Dir.glob(File.join(@root, '[abc/def]')))
open(File.join(@root, "}}{}"), "wb") {}
open(File.join(@root, "}}a"), "wb") {}
assert_equal(%w(}}{} }}a).map {|f| File.join(@root, f)}, Dir.glob(File.join(@root, '}}{\{\},a}')))
assert_equal(%w(}}{} }}a b c).map {|f| File.join(@root, f)}, Dir.glob(File.join(@root, '{\}\}{\{\},a},b,c}')))
assert_raise(ArgumentError) {
Dir.glob([[@root, File.join(@root, "*")].join("\0")])
}
end
def test_glob_recursive
bug6977 = '[ruby-core:47418]'
bug8006 = '[ruby-core:53108] [Bug #8006]'
Dir.chdir(@root) do
assert_include(Dir.glob("a/**/*", File::FNM_DOTMATCH), "a/.", bug8006)
Dir.mkdir("a/b")
assert_not_include(Dir.glob("a/**/*", File::FNM_DOTMATCH), "a/b/.")
FileUtils.mkdir_p("a/b/c/d/e/f")
assert_equal(["a/b/c/d/e/f"], Dir.glob("a/**/e/f"), bug6977)
assert_equal(["a/b/c/d/e/f"], Dir.glob("a/**/d/e/f"), bug6977)
assert_equal(["a/b/c/d/e/f"], Dir.glob("a/**/c/d/e/f"), bug6977)
assert_equal(["a/b/c/d/e/f"], Dir.glob("a/**/b/c/d/e/f"), bug6977)
assert_equal(["a/b/c/d/e/f"], Dir.glob("a/**/c/?/e/f"), bug6977)
assert_equal(["a/b/c/d/e/f"], Dir.glob("a/**/c/**/d/e/f"), bug6977)
assert_equal(["a/b/c/d/e/f"], Dir.glob("a/**/c/**/d/e/f"), bug6977)
bug8283 = '[ruby-core:54387] [Bug #8283]'
dirs = ["a/.x", "a/b/.y"]
FileUtils.mkdir_p(dirs)
dirs.map {|dir| open("#{dir}/z", "w") {}}
assert_equal([], Dir.glob("a/**/z"), bug8283)
assert_equal(["a/.x/z"], Dir.glob("a/**/.x/z"), bug8283)
assert_equal(["a/.x/z"], Dir.glob("a/.x/**/z"), bug8283)
assert_equal(["a/b/.y/z"], Dir.glob("a/**/.y/z"), bug8283)
end
end
def test_glob_recursive_directory
Dir.chdir(@root) do
['d', 'e'].each do |path|
FileUtils.mkdir_p("c/#{path}/a/b/c")
FileUtils.touch("c/#{path}/a/a.file")
FileUtils.touch("c/#{path}/a/b/b.file")
FileUtils.touch("c/#{path}/a/b/c/c.file")
end
bug15540 = '[ruby-core:91110] [Bug #15540]'
assert_equal(["c/d/a/", "c/d/a/b/", "c/d/a/b/c/", "c/e/a/", "c/e/a/b/", "c/e/a/b/c/"],
Dir.glob('c/{d,e}/a/**/'), bug15540)
assert_equal(["c/e/a/", "c/e/a/b/", "c/e/a/b/c/", "c/d/a/", "c/d/a/b/", "c/d/a/b/c/"],
Dir.glob('c/{e,d}/a/**/'))
end
end
def test_glob_starts_with_brace
Dir.chdir(@root) do
bug15649 = '[ruby-core:91728] [Bug #15649]'
assert_equal(["#{@root}/a", "#{@root}/b"],
Dir.glob("{#{@root}/a,#{@root}/b}"), bug15649)
end
end
def test_glob_order
Dir.chdir(@root) do
assert_equal(["#{@root}/a", "#{@root}/b"], Dir.glob("#{@root}/[ba]"))
assert_equal(["#{@root}/b", "#{@root}/a"], Dir.glob(%W"#{@root}/b #{@root}/a"))
assert_equal(["#{@root}/b", "#{@root}/a"], Dir.glob("#{@root}/{b,a}"))
end
assert_equal(["a", "b"], Dir.glob("[ba]", base: @root))
assert_equal(["b", "a"], Dir.glob(%W"b a", base: @root))
assert_equal(["b", "a"], Dir.glob("{b,a}", base: @root))
end
if Process.const_defined?(:RLIMIT_NOFILE)
def test_glob_too_may_open_files
assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}", chdir: @root)
begin;
n = 16
Process.setrlimit(Process::RLIMIT_NOFILE, n)
files = []
begin
n.times {files << File.open('b')}
rescue Errno::EMFILE, Errno::ENFILE => e
end
assert_raise(e.class) {
Dir.glob('*')
}
end;
end
end
def test_glob_base
files = %w[a/foo.c c/bar.c]
files.each {|n| File.write(File.join(@root, n), "")}
Dir.mkdir(File.join(@root, "a/dir"))
dirs = @dirs + %w[a/dir/]
dirs.sort!
assert_equal(files, Dir.glob("*/*.c", base: @root))
assert_equal(files, Dir.chdir(@root) {Dir.glob("*/*.c", base: ".")})
assert_equal(%w[foo.c], Dir.chdir(@root) {Dir.glob("*.c", base: "a")})
assert_equal(files, Dir.chdir(@root) {Dir.glob("*/*.c", base: "")})
assert_equal(files, Dir.chdir(@root) {Dir.glob("*/*.c", base: nil)})
assert_equal(@dirs, Dir.glob("*/", base: @root))
assert_equal(@dirs, Dir.chdir(@root) {Dir.glob("*/", base: ".")})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.glob("*/", base: "a")})
assert_equal(@dirs, Dir.chdir(@root) {Dir.glob("*/", base: "")})
assert_equal(@dirs, Dir.chdir(@root) {Dir.glob("*/", base: nil)})
assert_equal(dirs, Dir.glob("**/*/", base: @root))
assert_equal(dirs, Dir.chdir(@root) {Dir.glob("**/*/", base: ".")})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.glob("**/*/", base: "a")})
assert_equal(dirs, Dir.chdir(@root) {Dir.glob("**/*/", base: "")})
assert_equal(dirs, Dir.chdir(@root) {Dir.glob("**/*/", base: nil)})
assert_equal(files, Dir.glob("*/*.c", base: @root, sort: false).sort)
assert_equal(files, Dir.chdir(@root) {Dir.glob("*/*.c", base: ".", sort: false).sort})
assert_equal(%w[foo.c], Dir.chdir(@root) {Dir.glob("*.c", base: "a", sort: false).sort})
assert_equal(files, Dir.chdir(@root) {Dir.glob("*/*.c", base: "", sort: false).sort})
assert_equal(files, Dir.chdir(@root) {Dir.glob("*/*.c", base: nil, sort: false).sort})
assert_equal(@dirs, Dir.glob("*/", base: @root))
assert_equal(@dirs, Dir.chdir(@root) {Dir.glob("*/", base: ".", sort: false).sort})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.glob("*/", base: "a", sort: false).sort})
assert_equal(@dirs, Dir.chdir(@root) {Dir.glob("*/", base: "", sort: false).sort})
assert_equal(@dirs, Dir.chdir(@root) {Dir.glob("*/", base: nil, sort: false).sort})
assert_equal(dirs, Dir.glob("**/*/", base: @root))
assert_equal(dirs, Dir.chdir(@root) {Dir.glob("**/*/", base: ".", sort: false).sort})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.glob("**/*/", base: "a", sort: false).sort})
assert_equal(dirs, Dir.chdir(@root) {Dir.glob("**/*/", base: "", sort: false).sort})
assert_equal(dirs, Dir.chdir(@root) {Dir.glob("**/*/", base: nil, sort: false).sort})
end
def test_glob_base_dir
files = %w[a/foo.c c/bar.c]
files.each {|n| File.write(File.join(@root, n), "")}
Dir.mkdir(File.join(@root, "a/dir"))
dirs = @dirs + %w[a/dir/]
dirs.sort!
assert_equal(files, Dir.open(@root) {|d| Dir.glob("*/*.c", base: d)})
assert_equal(%w[foo.c], Dir.chdir(@root) {Dir.open("a") {|d| Dir.glob("*.c", base: d)}})
assert_equal(@dirs, Dir.open(@root) {|d| Dir.glob("*/", base: d)})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.open("a") {|d| Dir.glob("*/", base: d)}})
assert_equal(dirs, Dir.open(@root) {|d| Dir.glob("**/*/", base: d)})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.open("a") {|d| Dir.glob("**/*/", base: d)}})
assert_equal(files, Dir.open(@root) {|d| Dir.glob("*/*.c", base: d, sort: false).sort})
assert_equal(%w[foo.c], Dir.chdir(@root) {Dir.open("a") {|d| Dir.glob("*.c", base: d, sort: false).sort}})
assert_equal(@dirs, Dir.open(@root) {|d| Dir.glob("*/", base: d, sort: false).sort})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.open("a") {|d| Dir.glob("*/", base: d, sort: false).sort}})
assert_equal(dirs, Dir.open(@root) {|d| Dir.glob("**/*/", base: d, sort: false).sort})
assert_equal(%w[dir/], Dir.chdir(@root) {Dir.open("a") {|d| Dir.glob("**/*/", base: d, sort: false).sort}})
end
def test_glob_ignore_casefold_invalid_encoding
bug14456 = "[ruby-core:85448]"
filename = "\u00AAa123".encode('ISO-8859-1')
File.write(File.join(@root, filename), "")
matches = Dir.chdir(@root) {|d| Dir.glob("*a123".encode('UTF-8'), File::FNM_CASEFOLD)}
assert_equal(1, matches.size, bug14456)
matches.each{|f| f.force_encoding('ISO-8859-1')}
# Handle MacOS/Windows, which saves under a different filename
assert_include([filename, "\u00C2\u00AAa123".encode('ISO-8859-1')], matches.first, bug14456)
end
def assert_entries(entries, children_only = false)
entries.sort!
expected = ("a".."z").to_a
expected = %w(. ..) + expected unless children_only
assert_equal(expected, entries)
end
def test_entries
assert_entries(Dir.open(@root) {|dir| dir.entries})
assert_entries(Dir.entries(@root))
assert_raise(ArgumentError) {Dir.entries(@root+"\0")}
[Encoding::UTF_8, Encoding::ASCII_8BIT].each do |enc|
assert_equal(enc, Dir.entries(@root, encoding: enc).first.encoding)
end
end
def test_foreach
assert_entries(Dir.open(@root) {|dir| dir.each.to_a})
assert_entries(Dir.foreach(@root).to_a)
assert_raise(ArgumentError) {Dir.foreach(@root+"\0").to_a}
newdir = @root+"/new"
e = Dir.foreach(newdir)
assert_raise(Errno::ENOENT) {e.to_a}
Dir.mkdir(newdir)
File.write(newdir+"/a", "")
assert_equal(%w[. .. a], e.to_a.sort)
[Encoding::UTF_8, Encoding::ASCII_8BIT].each do |enc|
e = Dir.foreach(newdir, encoding: enc)
assert_equal(enc, e.to_a.first.encoding)
end
end
def test_children
assert_entries(Dir.open(@root) {|dir| dir.children}, true)
assert_entries(Dir.children(@root), true)
assert_raise(ArgumentError) {Dir.children(@root+"\0")}
[Encoding::UTF_8, Encoding::ASCII_8BIT].each do |enc|
assert_equal(enc, Dir.children(@root, encoding: enc).first.encoding)
end
end
def test_each_child
assert_entries(Dir.open(@root) {|dir| dir.each_child.to_a}, true)
assert_entries(Dir.each_child(@root).to_a, true)
assert_raise(ArgumentError) {Dir.each_child(@root+"\0").to_a}
newdir = @root+"/new"
e = Dir.each_child(newdir)
assert_raise(Errno::ENOENT) {e.to_a}
Dir.mkdir(newdir)
File.write(newdir+"/a", "")
assert_equal(%w[a], e.to_a)
[Encoding::UTF_8, Encoding::ASCII_8BIT].each do |enc|
e = Dir.each_child(newdir, encoding: enc)
assert_equal(enc, e.to_a.first.encoding)
end
end
def test_dir_enc
dir = Dir.open(@root, encoding: "UTF-8")
begin
while name = dir.read
assert_equal(Encoding.find("UTF-8"), name.encoding)
end
ensure
dir.close
end
dir = Dir.open(@root, encoding: "ASCII-8BIT")
begin
while name = dir.read
assert_equal(Encoding.find("ASCII-8BIT"), name.encoding)
end
ensure
dir.close
end
end
def test_unknown_keywords
bug8060 = '[ruby-dev:47152] [Bug #8060]'
assert_raise_with_message(ArgumentError, /unknown keyword/, bug8060) do
Dir.open(@root, xawqij: "a") {}
end
end
def test_symlink
begin
["dummy", *"a".."z"].each do |f|
File.symlink(File.join(@root, f),
File.join(@root, "symlink-#{ f }"))
end
rescue NotImplementedError, Errno::EACCES
return
end
assert_equal([*"a".."z", *"symlink-a".."symlink-z"].each_slice(2).map {|f, _| File.join(@root, f + "/") }.sort,
Dir.glob(File.join(@root, "*/")))
assert_equal([@root + "/", *[*"a".."z"].each_slice(2).map {|f, _| File.join(@root, f + "/") }],
Dir.glob(File.join(@root, "**/")))
end
def test_glob_metachar
bug8597 = '[ruby-core:55764] [Bug #8597]'
assert_empty(Dir.glob(File.join(@root, "<")), bug8597)
end
def test_glob_cases
feature5994 = "[ruby-core:42469] [Feature #5994]"
feature5994 << "\nDir.glob should return the filename with actual cases on the filesystem"
Dir.chdir(File.join(@root, "a")) do
open("FileWithCases", "w") {}
return unless File.exist?("filewithcases")
assert_equal(%w"FileWithCases", Dir.glob("filewithcases"), feature5994)
end
Dir.chdir(@root) do
assert_equal(%w"a/FileWithCases", Dir.glob("A/filewithcases"), feature5994)
end
end
def test_glob_super_root
bug9648 = '[ruby-core:61552] [Bug #9648]'
roots = Dir.glob("/*")
assert_equal(roots.map {|n| "/..#{n}"}, Dir.glob("/../*"), bug9648)
end
if /mswin|mingw/ =~ RUBY_PLATFORM
def test_glob_legacy_short_name
bug10819 = '[ruby-core:67954] [Bug #10819]'
bug11206 = '[ruby-core:69435] [Bug #11206]'
skip unless /\A\w:/ =~ ENV["ProgramFiles"]
short = "#$&/PROGRA~1"
skip unless File.directory?(short)
entries = Dir.glob("#{short}/Common*")
assert_not_empty(entries, bug10819)
long = File.expand_path(short)
assert_equal(Dir.glob("#{long}/Common*"), entries, bug10819)
wild = short.sub(/1\z/, '*')
assert_not_include(Dir.glob(wild), long, bug11206)
assert_include(Dir.glob(wild, File::FNM_SHORTNAME), long, bug10819)
assert_empty(entries - Dir.glob("#{wild}/Common*", File::FNM_SHORTNAME), bug10819)
end
end
def test_home
env_home = ENV["HOME"]
env_logdir = ENV["LOGDIR"]
ENV.delete("HOME")
ENV.delete("LOGDIR")
ENV["HOME"] = @nodir
assert_nothing_raised(ArgumentError) do
assert_equal(@nodir, Dir.home)
end
assert_nothing_raised(ArgumentError) do
assert_equal(@nodir, Dir.home(""))
end
if user = ENV["USER"]
tilde = windows? ? "~" : "~#{user}"
assert_nothing_raised(ArgumentError) do
assert_equal(File.expand_path(tilde), Dir.home(user))
end
end
%W[no:such:user \u{7559 5b88}:\u{756a}].each do |user|
assert_raise_with_message(ArgumentError, /#{user}/) {Dir.home(user)}
end
ensure
ENV["HOME"] = env_home
ENV["LOGDIR"] = env_logdir
end
def test_symlinks_not_resolved
Dir.mktmpdir do |dirname|
Dir.chdir(dirname) do
begin
File.symlink('some-dir', 'dir-symlink')
rescue NotImplementedError, Errno::EACCES
return
end
Dir.mkdir('some-dir')
File.write('some-dir/foo', 'some content')
assert_equal [ 'dir-symlink', 'some-dir' ], Dir['*']
assert_equal [ 'dir-symlink', 'some-dir', 'some-dir/foo' ], Dir['**/*']
end
end
end
def test_fileno
Dir.open(".") {|d|
if d.respond_to? :fileno
assert_kind_of(Integer, d.fileno)
else
assert_raise(NotImplementedError) { d.fileno }
end
}
end
def test_empty?
assert_not_send([Dir, :empty?, @root])
a = File.join(@root, "a")
assert_send([Dir, :empty?, a])
%w[A .dot].each do |tmp|
tmp = File.join(a, tmp)
open(tmp, "w") {}
assert_not_send([Dir, :empty?, a])
File.delete(tmp)
assert_send([Dir, :empty?, a])
Dir.mkdir(tmp)
assert_not_send([Dir, :empty?, a])
Dir.rmdir(tmp)
assert_send([Dir, :empty?, a])
end
assert_raise(Errno::ENOENT) {Dir.empty?(@nodir)}
assert_not_send([Dir, :empty?, File.join(@root, "b")])
assert_raise(ArgumentError) {Dir.empty?(@root+"\0")}
end
def test_glob_gc_for_fd
assert_separately(["-C", @root], "#{<<-"begin;"}\n#{<<-"end;"}", timeout: 3)
begin;
Process.setrlimit(Process::RLIMIT_NOFILE, 50)
begin
fs = []
tap {tap {tap {(0..100).each {fs << open(IO::NULL)}}}}
rescue Errno::EMFILE
ensure
fs.clear
end
list = Dir.glob("*")
assert_not_empty(list)
assert_equal([*"a".."z"], list)
end;
end if defined?(Process::RLIMIT_NOFILE)
def test_glob_array_with_destructive_element
args = Array.new(100, "")
pat = Struct.new(:ary).new(args)
args.push(pat, *Array.new(100) {"."*40})
def pat.to_path
ary.clear
GC.start
""
end
assert_empty(Dir.glob(args))
end
end