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authorryan <ryan@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-01-28 23:46:47 +0000
committerryan <ryan@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-01-28 23:46:47 +0000
commit934f537b458778f4786716c95b73fc72bc1ce256 (patch)
tree6abdecd9956995a7f82c9f969c80657b4301f6bd /lib/rubygems/package
parentb511e1bfbe649b938e317e00ad1795f1b9623758 (diff)
Import rubygems 1.5.0 (release candidate @ 09893d9)
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30717 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rubygems/package')
-rw-r--r--lib/rubygems/package/tar_test_case.rb143
1 files changed, 143 insertions, 0 deletions
diff --git a/lib/rubygems/package/tar_test_case.rb b/lib/rubygems/package/tar_test_case.rb
new file mode 100644
index 0000000000..5970756ac8
--- /dev/null
+++ b/lib/rubygems/package/tar_test_case.rb
@@ -0,0 +1,143 @@
+######################################################################
+# This file is imported from the rubygems project.
+# DO NOT make modifications in this repo. They _will_ be reverted!
+# File a patch instead and assign it to Ryan Davis or Eric Hodel.
+######################################################################
+
+require 'rubygems/test_case'
+require 'rubygems/package'
+
+##
+# A test case for Gem::Package::Tar* classes
+
+class Gem::Package::TarTestCase < Gem::TestCase
+
+ def ASCIIZ(str, length)
+ str + "\0" * (length - str.length)
+ end
+
+ def SP(s)
+ s + " "
+ end
+
+ def SP_Z(s)
+ s + " \0"
+ end
+
+ def Z(s)
+ s + "\0"
+ end
+
+ def assert_headers_equal(expected, actual)
+ expected = expected.to_s unless String === expected
+ actual = actual.to_s unless String === actual
+
+ 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? do
+ name = fields.shift
+ length = fields.shift.to_i
+
+ if name == "checksum" then
+ chksum_off = offset
+ offset += length
+ next
+ end
+
+ assert_equal expected[offset, length], actual[offset, length],
+ "Field #{name} of the tar header differs."
+
+ offset += length
+ end
+
+ assert_equal expected[chksum_off, 8], actual[chksum_off, 8]
+ end
+
+ def calc_checksum(header)
+ sum = header.unpack("C*").inject{|s,a| s + a}
+ SP(Z(to_oct(sum, 6)))
+ 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 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 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 to_oct(n, pad_size)
+ "%0#{pad_size}o" % n
+ end
+
+ def util_entry(tar)
+ io = TempIO.new tar
+
+ header = Gem::Package::TarHeader.from io
+
+ Gem::Package::TarReader::Entry.new header, io
+ end
+
+ def util_dir_entry
+ util_entry tar_dir_header("foo", "bar", 0)
+ end
+
+end
+