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require 'rubygems/package/tar_test_case'
require 'rubygems/package/tar_input'
class TestGemPackageTarInput < Gem::Package::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
super
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 = TempIO.new
begin
os = Zlib::GzipWriter.new str
os.write inner_tar
ensure
os.finish
end
str.rewind
@file = File.join @tempdir, 'bla.tar'
File.open @file, '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
@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[#{@tempdir}/bla #{@tempdir}/foo]
@entry_contents = %w[0123456789 01234]
end
def test_initialize_no_metadata_file
Tempfile.open 'no_meta' do |io|
io.write tar_file_header('a', '', 0644, 1)
io.write 'a'
io.rewind
e = assert_raises Gem::Package::FormatError do
open io.path, Gem.binary_mode do |file|
Gem::Package::TarInput.open file do end
end
end
assert_equal "no metadata found in #{io.path}", e.message
assert_equal io.path, e.path
end
end
def test_each
open @file, 'rb' do |io|
Gem::Package::TarInput.open io do |tar_input|
count = 0
tar_input.each_with_index do |entry, i|
count = i
assert_kind_of Gem::Package::TarReader::Entry, entry
assert_equal @entry_names[i], entry.header.name
assert_equal @entry_sizes[i], entry.header.size
end
assert_equal 2, count
assert_equal @spec, tar_input.metadata
end
end
end
def test_extract_entry
open @file, 'rb' do |io|
Gem::Package::TarInput.open io do |tar_input|
assert_equal @spec, tar_input.metadata
count = 0
tar_input.each_with_index do |entry, i|
count = i
tar_input.extract_entry @tempdir, entry
name = File.join @tempdir, entry.header.name
if entry.directory? then
assert File.directory?(name)
else
assert File.file?(name)
assert_equal @entry_sizes[i], File.stat(name).size
#FIXME: win32? !!
end
unless Gem.win_platform? then
assert_equal @entry_modes[i], File.stat(name).mode & (~SETGID_BIT)
end
end
assert_equal 2, count
end
end
@entry_files.each_with_index do |x, i|
assert File.file?(x)
assert_equal @entry_contents[i], Gem.read_binary(x)
end
end
end
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