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|
# frozen_string_literal: true
require_relative "package/tar_test_case"
require "rubygems/package"
class TestGemPackageTarReaderEntry < Gem::Package::TarTestCase
def setup
super
@contents = ("a".."z").to_a.join * 100
@tar = String.new
@tar << tar_file_header("lib/foo", "", 0, @contents.size, Time.now)
@tar << @contents
@tar << "\0" * (512 - (@tar.size % 512))
@entry = util_entry @tar
end
def teardown
close_util_entry(@entry)
super
end
def close_util_entry(entry)
entry.instance_variable_get(:@io).close!
end
def test_bytes_read
assert_equal 0, @entry.bytes_read
@entry.getc
assert_equal 1, @entry.bytes_read
end
def test_size
assert_equal @contents.size, @entry.size
end
def test_close
@entry.close
assert @entry.bytes_read
e = assert_raise(IOError) { @entry.eof? }
assert_equal "closed Gem::Package::TarReader::Entry", e.message
e = assert_raise(IOError) { @entry.getc }
assert_equal "closed Gem::Package::TarReader::Entry", e.message
e = assert_raise(IOError) { @entry.pos }
assert_equal "closed Gem::Package::TarReader::Entry", e.message
e = assert_raise(IOError) { @entry.read }
assert_equal "closed Gem::Package::TarReader::Entry", e.message
e = assert_raise(IOError) { @entry.rewind }
assert_equal "closed Gem::Package::TarReader::Entry", e.message
end
def test_closed_eh
@entry.close
assert @entry.closed?
end
def test_eof_eh
@entry.read
assert @entry.eof?
end
def test_full_name
assert_equal "lib/foo", @entry.full_name
end
def test_full_name_null
pend "jruby strips the null byte and does not think it's corrupt" if Gem.java_platform?
@entry.header.prefix << "\000"
e = assert_raise Gem::Package::TarInvalidError do
@entry.full_name
end
assert_equal "tar is corrupt, name contains null byte", e.message
end
def test_getc
assert_equal ?a, @entry.getc
end
def test_directory_eh
assert_equal false, @entry.directory?
dir_ent = util_dir_entry
assert_equal true, dir_ent.directory?
ensure
close_util_entry(dir_ent) if dir_ent
end
def test_symlink_eh
assert_equal false, @entry.symlink?
symlink_ent = util_symlink_entry
assert_equal true, symlink_ent.symlink?
ensure
close_util_entry(symlink_ent) if symlink_ent
end
def test_file_eh
assert_equal true, @entry.file?
dir_ent = util_dir_entry
assert_equal false, dir_ent.file?
ensure
close_util_entry(dir_ent) if dir_ent
end
def test_pos
assert_equal 0, @entry.pos
@entry.getc
assert_equal 1, @entry.pos
end
def test_read
assert_equal @contents, @entry.read
end
def test_consecutive_read
expected = StringIO.new(@contents)
assert_equal expected.read, @entry.read
assert_equal expected.read, @entry.read
end
def test_consecutive_read_bytes_past_eof
expected = StringIO.new(@contents)
assert_equal expected.read, @entry.read
assert_equal expected.read(1), @entry.read(1)
end
def test_read_big
assert_equal @contents, @entry.read(@contents.size * 2)
end
def test_read_small
assert_equal @contents[0...100], @entry.read(100)
end
def test_read_remaining
@entry.read(100)
assert_equal @contents[100..-1], @entry.read
end
def test_read_partial
assert_equal @contents[0...100], @entry.readpartial(100)
end
def test_read_partial_buffer
buffer = "".b
@entry.readpartial(100, buffer)
assert_equal @contents[0...100], buffer
end
def test_readpartial_past_eof
@entry.readpartial(@contents.size)
assert_raise(EOFError) do
@entry.readpartial(1)
end
end
def test_rewind
char = @entry.getc
@entry.rewind
assert_equal 0, @entry.pos
assert_equal char, @entry.getc
end
def test_read_zero
expected = StringIO.new("")
assert_equal expected.read(0), @entry.read(0)
end
def test_readpartial_zero
expected = StringIO.new("")
assert_equal expected.readpartial(0), @entry.readpartial(0)
end
def util_zero_byte_entry
tar = String.new
tar << tar_file_header("lib/empty", "", 0, 0, Time.now)
tar << "\0" * (512 - (tar.size % 512))
util_entry tar
end
def test_zero_byte_file_read
zero_entry = util_zero_byte_entry
expected = StringIO.new("")
assert_equal expected.read, zero_entry.read
ensure
close_util_entry(zero_entry) if zero_entry
end
def test_zero_byte_file_readpartial
zero_entry = util_zero_byte_entry
expected = StringIO.new("")
assert_equal expected.readpartial(0), zero_entry.readpartial(0)
ensure
close_util_entry(zero_entry) if zero_entry
end
end
|
