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require 'rubygems/package/tar_test_case'
require 'rubygems/package/tar_writer'
class TestTarWriter < Gem::Package::TarTestCase
def setup
super
@data = 'abcde12345'
@io = TempIO.new
@tar_writer = Gem::Package::TarWriter.new @io
end
def teardown
@tar_writer.close unless @tar_writer.closed?
super
end
def test_add_file
@tar_writer.add_file 'x', 0644 do |f| f.write 'a' * 10 end
assert_headers_equal(tar_file_header('x', '', 0644, 10),
@io.string[0, 512])
assert_equal "aaaaaaaaaa#{"\0" * 502}", @io.string[512, 512]
assert_equal 1024, @io.pos
end
def test_add_file_simple
@tar_writer.add_file_simple 'x', 0644, 10 do |io| io.write "a" * 10 end
assert_headers_equal(tar_file_header('x', '', 0644, 10),
@io.string[0, 512])
assert_equal "aaaaaaaaaa#{"\0" * 502}", @io.string[512, 512]
assert_equal 1024, @io.pos
end
def test_add_file_simple_padding
@tar_writer.add_file_simple 'x', 0, 100
assert_headers_equal tar_file_header('x', '', 0, 100),
@io.string[0, 512]
assert_equal "\0" * 512, @io.string[512, 512]
end
def test_add_file_simple_data
@tar_writer.add_file_simple("lib/foo/bar", 0, 10) { |f| f.write @data }
@tar_writer.flush
assert_equal @data + ("\0" * (512-@data.size)),
@io.string[512, 512]
end
def test_add_file_simple_size
assert_raises Gem::Package::TarWriter::FileOverflow do
@tar_writer.add_file_simple("lib/foo/bar", 0, 10) do |io|
io.write "1" * 11
end
end
end
def test_add_file_unseekable
assert_raises Gem::Package::NonSeekableIO do
Gem::Package::TarWriter.new(Object.new).add_file 'x', 0
end
end
def test_close
@tar_writer.close
assert_equal "\0" * 1024, @io.string
e = assert_raises IOError do
@tar_writer.close
end
assert_equal 'closed Gem::Package::TarWriter', e.message
e = assert_raises IOError do
@tar_writer.flush
end
assert_equal 'closed Gem::Package::TarWriter', e.message
e = assert_raises IOError do
@tar_writer.add_file 'x', 0
end
assert_equal 'closed Gem::Package::TarWriter', e.message
e = assert_raises IOError do
@tar_writer.add_file_simple 'x', 0, 0
end
assert_equal 'closed Gem::Package::TarWriter', e.message
e = assert_raises IOError do
@tar_writer.mkdir 'x', 0
end
assert_equal 'closed Gem::Package::TarWriter', e.message
end
def test_mkdir
@tar_writer.mkdir 'foo', 0644
assert_headers_equal tar_dir_header('foo', '', 0644),
@io.string[0, 512]
assert_equal 512, @io.pos
end
def test_split_name
assert_equal ['b' * 100, 'a' * 155],
@tar_writer.split_name("#{'a' * 155}/#{'b' * 100}")
assert_equal ["#{'qwer/' * 19}bla", 'a' * 151],
@tar_writer.split_name("#{'a' * 151}/#{'qwer/' * 19}bla")
end
def test_split_name_too_long_name
name = File.join 'a', 'b' * 100
assert_equal ['b' * 100, 'a'], @tar_writer.split_name(name)
assert_raises Gem::Package::TooLongFileName do
name = File.join 'a', 'b' * 101
@tar_writer.split_name name
end
end
def test_split_name_too_long_prefix
name = File.join 'a' * 155, 'b'
assert_equal ['b', 'a' * 155], @tar_writer.split_name(name)
assert_raises Gem::Package::TooLongFileName do
name = File.join 'a' * 156, 'b'
@tar_writer.split_name name
end
end
def test_split_name_too_long_total
assert_raises Gem::Package::TooLongFileName do
@tar_writer.split_name 'a' * 257
end
end
end
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