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ruby--ruby/test/rubygems/test_package.rb
drbrain fbf59bdbea Import RubyGems trunk revision 1493.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2007-11-10 07:48:56 +00:00

607 lines
18 KiB
Ruby

#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++
require 'test/unit'
require 'stringio'
require 'fileutils'
require 'rubygems'
require 'rubygems/package'
class File
# straight from setup.rb
def self.dir?(path)
# for corrupted windows stat()
File.directory?((path[-1,1] == '/') ? path : path + '/')
end
def self.read_b(name)
File.open(name, "rb"){|f| f.read}
end
end
class TarTestCase < Test::Unit::TestCase
undef_method :default_test
def assert_headers_equal(h1, h2)
fields = %w[name 100 mode 8 uid 8 gid 8 size 12 mtime 12 checksum 8
typeflag 1 linkname 100 magic 6 version 2 uname 32
gname 32 devmajor 8 devminor 8 prefix 155]
offset = 0
until fields.empty?
name = fields.shift
length = fields.shift.to_i
if name == "checksum"
chksum_off = offset
offset += length
next
end
assert_equal(h1[offset, length], h2[offset, length],
"Field #{name} of the tar header differs.")
offset += length
end
assert_equal(h1[chksum_off, 8], h2[chksum_off, 8])
end
def tar_file_header(fname, dname, mode, length)
h = header("0", fname, dname, length, mode)
checksum = calc_checksum(h)
header("0", fname, dname, length, mode, checksum)
end
def tar_dir_header(name, prefix, mode)
h = header("5", name, prefix, 0, mode)
checksum = calc_checksum(h)
header("5", name, prefix, 0, mode, checksum)
end
def header(type, fname, dname, length, mode, checksum = nil)
checksum ||= " " * 8
arr = [ # struct tarfile_entry_posix
ASCIIZ(fname, 100), # char name[100]; ASCII + (Z unless filled)
Z(to_oct(mode, 7)), # char mode[8]; 0 padded, octal null
Z(to_oct(0, 7)), # char uid[8]; ditto
Z(to_oct(0, 7)), # char gid[8]; ditto
Z(to_oct(length, 11)), # char size[12]; 0 padded, octal, null
Z(to_oct(0, 11)), # char mtime[12]; 0 padded, octal, null
checksum, # char checksum[8]; 0 padded, octal, null, space
type, # char typeflag[1]; file: "0" dir: "5"
"\0" * 100, # char linkname[100]; ASCII + (Z unless filled)
"ustar\0", # char magic[6]; "ustar\0"
"00", # char version[2]; "00"
ASCIIZ("wheel", 32), # char uname[32]; ASCIIZ
ASCIIZ("wheel", 32), # char gname[32]; ASCIIZ
Z(to_oct(0, 7)), # char devmajor[8]; 0 padded, octal, null
Z(to_oct(0, 7)), # char devminor[8]; 0 padded, octal, null
ASCIIZ(dname, 155) # char prefix[155]; ASCII + (Z unless filled)
]
format = "C100C8C8C8C12C12C8CC100C6C2C32C32C8C8C155"
h = if RUBY_VERSION >= "1.9" then
arr.join
else
arr = arr.join("").split(//).map{|x| x[0]}
arr.pack format
end
ret = h + "\0" * (512 - h.size)
assert_equal(512, ret.size)
ret
end
def calc_checksum(header)
sum = header.unpack("C*").inject{|s,a| s + a}
SP(Z(to_oct(sum, 6)))
end
def to_oct(n, pad_size)
"%0#{pad_size}o" % n
end
def ASCIIZ(str, length)
str + "\0" * (length - str.length)
end
def SP(s)
s + " "
end
def Z(s)
s + "\0"
end
def SP_Z(s)
s + " \0"
end
end
class TestTarHeader < TarTestCase
def test_arguments_are_checked
e = ArgumentError
gpth = Gem::Package::TarHeader
assert_raises(e) { gpth.new :name=>"", :size=>"", :mode=>"" }
assert_raises(e) { gpth.new :name=>"", :size=>"", :prefix=>"" }
assert_raises(e) { gpth.new :name=>"", :prefix=>"", :mode=>"" }
assert_raises(e) { gpth.new :prefix=>"", :size=>"", :mode=>"" }
end
def test_basic_headers
header = Gem::Package::TarHeader.new(:name => "bla", :mode => 012345,
:size => 10, :prefix => "").to_s
assert_headers_equal(tar_file_header("bla", "", 012345, 10), header.to_s)
header = Gem::Package::TarHeader.new(:name => "bla", :mode => 012345,
:size => 0, :prefix => "",
:typeflag => "5" ).to_s
assert_headers_equal(tar_dir_header("bla", "", 012345), header)
end
def test_long_name_works
header = Gem::Package::TarHeader.new(:name => "a" * 100, :mode => 012345,
:size => 10, :prefix => "").to_s
assert_headers_equal(tar_file_header("a" * 100, "", 012345, 10), header)
header = Gem::Package::TarHeader.new(:name => "a" * 100, :mode => 012345,
:size => 10, :prefix => "bb" * 60).to_s
assert_headers_equal(tar_file_header("a" * 100, "bb" * 60, 012345, 10),
header)
end
def test_new_from_stream
header = tar_file_header("a" * 100, "", 012345, 10)
h = nil
header = StringIO.new header
assert_nothing_raised{ h = Gem::Package::TarHeader.new_from_stream header }
assert_equal("a" * 100, h.name)
assert_equal(012345, h.mode)
assert_equal(10, h.size)
assert_equal("", h.prefix)
assert_equal("ustar", h.magic)
end
end
class TestTarInput < TarTestCase
# Sometimes the setgid bit doesn't take. Don't know if this
# is a problem on all systems, or just some. But for now, we
# will ignore it in the tests.
SETGID_BIT = 02000
def setup
FileUtils.mkdir_p "data__"
inner_tar = tar_file_header("bla", "", 0612, 10)
inner_tar += "0123456789" + "\0" * 502
inner_tar += tar_file_header("foo", "", 0636, 5)
inner_tar += "01234" + "\0" * 507
inner_tar += tar_dir_header("__dir__", "", 0600)
inner_tar += "\0" * 1024
str = StringIO.new ""
begin
os = Zlib::GzipWriter.new str
os.write inner_tar
ensure
os.finish
end
str.rewind
File.open("data__/bla.tar", "wb") do |f|
f.write tar_file_header("data.tar.gz", "", 0644, str.string.size)
f.write str.string
f.write "\0" * ((512 - (str.string.size % 512)) % 512 )
@spec = Gem::Specification.new do |spec|
spec.author = "Mauricio :)"
end
meta = @spec.to_yaml
f.write tar_file_header("metadata", "", 0644, meta.size)
f.write meta + "\0" * (1024 - meta.size)
f.write "\0" * 1024
end
@file = "data__/bla.tar"
@entry_names = %w{bla foo __dir__}
@entry_sizes = [10, 5, 0]
#FIXME: are these modes system dependent?
@entry_modes = [0100612, 0100636, 040600]
@entry_files = %w{data__/bla data__/foo}
@entry_contents = %w[0123456789 01234]
end
def teardown
# FileUtils.rm_rf "data__"
end
def test_each_works
Gem::Package::TarInput.open(@file) do |is|
count = 0
is.each_with_index do |entry, i|
count = i
assert_kind_of(Gem::Package::TarReader::Entry, entry)
assert_equal(@entry_names[i], entry.name)
assert_equal(@entry_sizes[i], entry.size)
end
assert_equal 2, count
assert_equal @spec, is.metadata
end
end
def test_extract_entry_works
Gem::Package::TarInput.open(@file) do |is|
assert_equal @spec, is.metadata
count = 0
is.each_with_index do |entry, i|
count = i
is.extract_entry "data__", entry
name = File.join("data__", entry.name)
if entry.is_directory?
assert File.dir?(name)
else
assert File.file?(name)
assert_equal(@entry_sizes[i], File.stat(name).size)
#FIXME: win32? !!
end
unless ::Config::CONFIG["arch"] =~ /msdos|win32/i
assert_equal(@entry_modes[i],
File.stat(name).mode & (~SETGID_BIT))
end
end
assert_equal 2, count
end
@entry_files.each_with_index do |x, i|
assert(File.file?(x))
assert_equal(@entry_contents[i], File.read_b(x))
end
end
end
class TestTarOutput < TarTestCase
def setup
FileUtils.mkdir_p "data__", :verbose=>false
@file = "data__/bla2.tar"
end
def teardown
FileUtils.rm_rf "data__"
end
def test_file_looks_good
Gem::Package::TarOutput.open(@file) do |os|
os.metadata = "bla".to_yaml
end
f = File.open(@file, "rb")
Gem::Package::TarReader.new(f) do |is|
i = 0
is.each do |entry|
case i
when 0
assert_equal("data.tar.gz", entry.name)
when 1
assert_equal("metadata.gz", entry.name)
gzis = Zlib::GzipReader.new entry
assert_equal("bla".to_yaml, gzis.read)
gzis.close
end
i += 1
end
assert_equal(2, i)
end
ensure
f.close
end
end
class TestTarReader < TarTestCase
def test_eof_works
str = tar_file_header("bar", "baz", 0644, 0)
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
is.each_entry do |entry|
assert_kind_of(Gem::Package::TarReader::Entry, entry)
data = entry.read
assert_equal(nil, data)
assert_equal(nil, entry.read(10))
assert_equal(nil, entry.read)
assert_equal(nil, entry.getc)
assert_equal(true, entry.eof?)
end
end
str = tar_dir_header("foo", "bar", 012345)
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
is.each_entry do |entry|
assert_kind_of(Gem::Package::TarReader::Entry, entry)
data = entry.read
assert_equal(nil, data)
assert_equal(nil, entry.read(10))
assert_equal(nil, entry.read)
assert_equal(nil, entry.getc)
assert_equal(true, entry.eof?)
end
end
str = tar_dir_header("foo", "bar", 012345)
str += tar_file_header("bar", "baz", 0644, 0)
str += tar_file_header("bar", "baz", 0644, 0)
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
is.each_entry do |entry|
assert_kind_of(Gem::Package::TarReader::Entry, entry)
data = entry.read
assert_equal(nil, data)
assert_equal(nil, entry.read(10))
assert_equal(nil, entry.read)
assert_equal(nil, entry.getc)
assert_equal(true, entry.eof?)
end
end
end
def test_multiple_entries
str = tar_file_header("lib/foo", "", 010644, 10) + "\0" * 512
str += tar_file_header("bar", "baz", 0644, 0)
str += tar_dir_header("foo", "bar", 012345)
str += "\0" * 1024
names = %w[lib/foo bar foo]
prefixes = ["", "baz", "bar"]
modes = [010644, 0644, 012345]
sizes = [10, 0, 0]
isdir = [false, false, true]
isfile = [true, true, false]
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
i = 0
is.each_entry do |entry|
assert_kind_of(Gem::Package::TarReader::Entry, entry)
assert_equal(names[i], entry.name)
assert_equal(prefixes[i], entry.prefix)
assert_equal(sizes[i], entry.size)
assert_equal(modes[i], entry.mode)
assert_equal(isdir[i], entry.is_directory?)
assert_equal(isfile[i], entry.is_file?)
if prefixes[i] != ""
assert_equal(File.join(prefixes[i], names[i]),
entry.full_name)
else
assert_equal(names[i], entry.name)
end
i += 1
end
assert_equal(names.size, i)
end
end
def test_read_works
contents = ('a'..'z').inject(""){|s,x| s << x * 100}
str = tar_file_header("lib/foo", "", 010644, contents.size) + contents
str += "\0" * (512 - (str.size % 512))
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
is.each_entry do |entry|
assert_kind_of(Gem::Package::TarReader::Entry, entry)
data = entry.read(3000) # bigger than contents.size
assert_equal(contents, data)
assert_equal(true, entry.eof?)
end
end
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
is.each_entry do |entry|
assert_kind_of(Gem::Package::TarReader::Entry, entry)
data = entry.read(100)
(entry.size - data.size).times {|i| data << entry.getc.chr }
assert_equal(contents, data)
assert_equal(nil, entry.read(10))
assert_equal(true, entry.eof?)
end
end
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
is.each_entry do |entry|
assert_kind_of(Gem::Package::TarReader::Entry, entry)
data = entry.read
assert_equal(contents, data)
assert_equal(nil, entry.read(10))
assert_equal(nil, entry.read)
assert_equal(nil, entry.getc)
assert_equal(true, entry.eof?)
end
end
end
def test_rewind_entry_works
content = ('a'..'z').to_a.join(" ")
str = tar_file_header("lib/foo", "", 010644, content.size) + content +
"\0" * (512 - content.size)
str << "\0" * 1024
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
is.each_entry do |entry|
3.times do
entry.rewind
assert_equal(content, entry.read)
assert_equal(content.size, entry.pos)
end
end
end
end
def test_rewind_works
content = ('a'..'z').to_a.join(" ")
str = tar_file_header("lib/foo", "", 010644, content.size) + content +
"\0" * (512 - content.size)
str << "\0" * 1024
Gem::Package::TarReader.new(StringIO.new(str)) do |is|
3.times do
is.rewind
i = 0
is.each_entry do |entry|
assert_equal(content, entry.read)
i += 1
end
assert_equal(1, i)
end
end
end
end
class TestTarWriter < TarTestCase
class DummyIO
attr_reader :data
def initialize
@data = ""
end
def write(dat)
data << dat
dat.size
end
def reset
@data = ""
end
end
def setup
@data = "a" * 10
@dummyos = DummyIO.new
@os = Gem::Package::TarWriter.new(@dummyos)
end
def teardown
@os.close
end
def test_add_file
dummyos = StringIO.new
class << dummyos
def method_missing(meth, *a)
self.string.send(meth, *a)
end
end
os = Gem::Package::TarWriter.new dummyos
content1 = ('a'..'z').to_a.join("") # 26
content2 = ('aa'..'zz').to_a.join("") # 1352
Gem::Package::TarWriter.new(dummyos) do |os|
os.add_file("lib/foo/bar", 0644) {|f| f.write "a" * 10 }
os.add_file("lib/bar/baz", 0644) {|f| f.write content1 }
os.add_file("lib/bar/baz", 0644) {|f| f.write content2 }
os.add_file("lib/bar/baz", 0644) {|f| }
end
assert_headers_equal(tar_file_header("lib/foo/bar", "", 0644, 10),
dummyos[0,512])
assert_equal("a" * 10 + "\0" * 502, dummyos[512,512])
offset = 512 * 2
[content1, content2, ""].each do |data|
assert_headers_equal(tar_file_header("lib/bar/baz", "", 0644,
data.size),
dummyos[offset,512])
offset += 512
until !data || data == ""
chunk = data[0,512]
data[0,512] = ""
assert_equal(chunk + "\0" * (512-chunk.size),
dummyos[offset,512])
offset += 512
end
end
assert_equal("\0" * 1024, dummyos[offset,1024])
end
def test_add_file_simple
@dummyos.reset
Gem::Package::TarWriter.new(@dummyos) do |os|
os.add_file_simple("lib/foo/bar", 0644, 10) {|f| f.write "a" * 10 }
os.add_file_simple("lib/bar/baz", 0644, 100) {|f| f.write "fillme"}
end
assert_headers_equal(tar_file_header("lib/foo/bar", "", 0644, 10),
@dummyos.data[0,512])
assert_equal("a" * 10 + "\0" * 502, @dummyos.data[512,512])
assert_headers_equal(tar_file_header("lib/bar/baz", "", 0644, 100),
@dummyos.data[512*2,512])
assert_equal("fillme" + "\0" * 506, @dummyos.data[512*3,512])
assert_equal("\0" * 512, @dummyos.data[512*4, 512])
assert_equal("\0" * 512, @dummyos.data[512*5, 512])
end
def test_add_file_tests_seekability
assert_raises(Gem::Package::NonSeekableIO) do
@os.add_file("libdfdsfd", 0644) {|f| }
end
end
def test_file_name_is_split_correctly
# test insane file lengths, and
# a{100}/b{155}, etc
@dummyos.reset
names = ["a" * 155 + '/' + "b" * 100, "a" * 151 + "/" + ("qwer/" * 19) + "bla" ]
o_names = ["b" * 100, "qwer/" * 19 + "bla"]
o_prefixes = ["a" * 155, "a" * 151]
names.each {|name| @os.add_file_simple(name, 0644, 10) { } }
o_names.each_with_index do |nam, i|
assert_headers_equal(tar_file_header(nam, o_prefixes[i], 0644, 10),
@dummyos.data[2*i*512,512])
end
assert_raises(Gem::Package::TooLongFileName) do
@os.add_file_simple(File.join("a" * 152, "b" * 10, "a" * 92), 0644,10) {}
end
assert_raises(Gem::Package::TooLongFileName) do
@os.add_file_simple(File.join("a" * 162, "b" * 10), 0644,10) {}
end
assert_raises(Gem::Package::TooLongFileName) do
@os.add_file_simple(File.join("a" * 10, "b" * 110), 0644,10) {}
end
end
def test_file_size_is_checked
@dummyos.reset
assert_raises(Gem::Package::TarWriter::FileOverflow) do
@os.add_file_simple("lib/foo/bar", 0644, 10) {|f| f.write "1" * 100}
end
assert_nothing_raised do
@os.add_file_simple("lib/foo/bar", 0644, 10) {|f| }
end
end
def test_write_data
@dummyos.reset
@os.add_file_simple("lib/foo/bar", 0644, 10) { |f| f.write @data }
@os.flush
assert_equal(@data + ("\0" * (512-@data.size)),
@dummyos.data[512,512])
end
def test_write_header
@dummyos.reset
@os.add_file_simple("lib/foo/bar", 0644, 0) { |f| }
@os.flush
assert_headers_equal(tar_file_header("lib/foo/bar", "", 0644, 0),
@dummyos.data[0,512])
@dummyos.reset
@os.mkdir("lib/foo", 0644)
assert_headers_equal(tar_dir_header("lib/foo", "", 0644),
@dummyos.data[0,512])
@os.mkdir("lib/bar", 0644)
assert_headers_equal(tar_dir_header("lib/bar", "", 0644),
@dummyos.data[512*1,512])
end
def test_write_operations_fail_after_closed
@dummyos.reset
@os.add_file_simple("sadd", 0644, 20) { |f| }
@os.close
assert_raises(Gem::Package::ClosedIO) { @os.flush }
assert_raises(Gem::Package::ClosedIO) { @os.add_file("dfdsf", 0644){} }
assert_raises(Gem::Package::ClosedIO) { @os.mkdir "sdfdsf", 0644 }
end
end