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# frozen_string_literal: true
require_relative 'test_helper'
class ZipCentralDirectoryTest < Minitest::Test
def teardown
::Zip.reset!
end
def test_read_from_stream
::File.open(TestZipFile::TEST_ZIP2.zip_name, 'rb') do |zip_file|
cdir = ::Zip::CentralDirectory.new
cdir.read_from_stream(zip_file)
assert_equal(TestZipFile::TEST_ZIP2.entry_names.size, cdir.size)
assert_equal(cdir.entries.map(&:name).sort, TestZipFile::TEST_ZIP2.entry_names.sort)
assert_equal(TestZipFile::TEST_ZIP2.comment, cdir.comment)
end
end
def test_read_from_invalid_stream
File.open('test/data/file2.txt', 'rb') do |zip_file|
cdir = ::Zip::CentralDirectory.new
cdir.read_from_stream(zip_file)
end
raise 'ZipError expected!'
rescue ::Zip::Error
end
def test_read_eocd_with_wrong_cdir_offset_from_file
::File.open('test/data/testDirectory.bin', 'rb') do |f|
assert_raises(::Zip::Error) do
cdir = ::Zip::CentralDirectory.new
cdir.read_from_stream(f)
end
end
end
def test_read_eocd_with_wrong_cdir_offset_from_buffer
::File.open('test/data/testDirectory.bin', 'rb') do |f|
assert_raises(::Zip::Error) do
cdir = ::Zip::CentralDirectory.new
cdir.read_from_stream(StringIO.new(f.read))
end
end
end
def test_read_file_with_cdir_headers_in_payload
::File.open('test/data/zipWithCDirHeadersInPayload.zip', 'rb') do |f|
cdir = ::Zip::CentralDirectory.new
cdir.read_from_stream(f) # Should not raise anything.
entry = cdir.entries.first
entry.get_input_stream do |is|
content = is.read
assert_equal("PK\x06\x06\nPK\x06\x07", content)
end
end
end
def test_count_entries
[
['test/data/osx-archive.zip', 4],
['test/data/zip64-sample.zip', 2],
['test/data/max_length_file_comment.zip', 1],
['test/data/zipWithCDirHeadersInPayload.zip', 1],
['test/data/100000-files.zip', 100_000]
].each do |filename, num_entries|
cdir = ::Zip::CentralDirectory.new
::File.open(filename, 'rb') do |f|
assert_equal(num_entries, cdir.count_entries(f))
f.seek(0)
s = StringIO.new(f.read)
assert_equal(num_entries, cdir.count_entries(s))
end
end
end
def test_write_to_stream
entries = [
::Zip::Entry.new(
'file.zip', 'flimse',
comment: 'myComment', extra: 'somethingExtra'
),
::Zip::Entry.new('file.zip', 'secondEntryName'),
::Zip::Entry.new('file.zip', 'lastEntry.txt', comment: 'Has a comment')
]
cdir = ::Zip::CentralDirectory.new(entries, 'my zip comment')
File.open('test/data/generated/cdirtest.bin', 'wb') do |f|
cdir.write_to_stream(f)
end
cdir_readback = ::Zip::CentralDirectory.new
File.open('test/data/generated/cdirtest.bin', 'rb') do |f|
cdir_readback.read_from_stream(f)
end
assert_equal(cdir.entries.sort, cdir_readback.entries.sort)
end
def test_write64_to_stream_65536_entries
skip unless ENV['FULL_ZIP64_TEST']
entries = []
0x10000.times do |i|
entries << Zip::Entry.new('file.zip', "#{i}.txt")
end
cdir = Zip::CentralDirectory.new(entries)
File.open('test/data/generated/cdir64test.bin', 'wb') do |f|
cdir.write_to_stream(f)
end
cdir_readback = Zip::CentralDirectory.new
File.open('test/data/generated/cdir64test.bin', 'rb') do |f|
cdir_readback.read_from_stream(f)
end
assert_equal(0x10000, cdir_readback.size)
assert_equal(Zip::VERSION_NEEDED_TO_EXTRACT_ZIP64, cdir_readback.instance_variable_get(:@version_needed_for_extract))
end
def test_equality
cdir1 = ::Zip::CentralDirectory.new(
[
::Zip::Entry.new('file.zip', 'flimse', extra: 'somethingExtra'),
::Zip::Entry.new('file.zip', 'secondEntryName'),
::Zip::Entry.new('file.zip', 'lastEntry.txt')
],
'my zip comment'
)
cdir2 = ::Zip::CentralDirectory.new(
[
::Zip::Entry.new('file.zip', 'flimse', extra: 'somethingExtra'),
::Zip::Entry.new('file.zip', 'secondEntryName'),
::Zip::Entry.new('file.zip', 'lastEntry.txt')
],
'my zip comment'
)
cdir3 = ::Zip::CentralDirectory.new(
[
::Zip::Entry.new('file.zip', 'flimse', extra: 'somethingExtra'),
::Zip::Entry.new('file.zip', 'secondEntryName'),
::Zip::Entry.new('file.zip', 'lastEntry.txt')
],
'comment?'
)
cdir4 = ::Zip::CentralDirectory.new(
[
::Zip::Entry.new('file.zip', 'flimse', extra: 'somethingExtra'),
::Zip::Entry.new('file.zip', 'lastEntry.txt')
],
'comment?'
)
assert_equal(cdir1, cdir1)
assert_equal(cdir1, cdir2)
assert(cdir1 != cdir3)
assert(cdir2 != cdir3)
assert(cdir2 != cdir3)
assert(cdir3 != cdir4)
assert(cdir3 != 'hello')
end
end
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