rubyzip/test/file_split_test.rb

63 lines
1.8 KiB
Ruby

# frozen_string_literal: true
require 'test_helper'
class ZipFileSplitTest < MiniTest::Test
TEST_ZIP = TestZipFile::TEST_ZIP2.clone
TEST_ZIP.zip_name = 'large_zip_file.zip'
EXTRACTED_FILENAME = 'test/data/generated/extEntrySplit'
UNSPLITTED_FILENAME = 'test/data/generated/unsplitted.zip'
ENTRY_TO_EXTRACT = TEST_ZIP.entry_names.first
def setup
FileUtils.cp(TestZipFile::TEST_ZIP2.zip_name, TEST_ZIP.zip_name)
end
def teardown
File.delete(TEST_ZIP.zip_name)
FileUtils.rm_f(UNSPLITTED_FILENAME)
Dir["#{TEST_ZIP.zip_name}.*"].each do |zip_file_name|
FileUtils.rm_f(zip_file_name)
end
end
def test_split_method_respond
assert_respond_to ::Zip::File, :split, 'Does not have split class method'
end
def test_split
result = ::Zip::File.split(
TEST_ZIP.zip_name, segment_size: 65_536, delete_original: false
)
return if result.nil?
Dir["#{TEST_ZIP.zip_name}.*"].each_with_index do |zip_file_name, index|
File.open(zip_file_name, 'rb') do |zip_file|
zip_file.read([::Zip::SPLIT_FILE_SIGNATURE].pack('V').size) if index.zero?
File.open(UNSPLITTED_FILENAME, 'ab') do |file|
file << zip_file.read
end
end
end
::Zip::File.open(UNSPLITTED_FILENAME) do |zf|
zf.extract(ENTRY_TO_EXTRACT, EXTRACTED_FILENAME)
assert(File.exist?(EXTRACTED_FILENAME))
AssertEntry.assert_contents(EXTRACTED_FILENAME,
zf.get_input_stream(ENTRY_TO_EXTRACT, &:read))
File.unlink(EXTRACTED_FILENAME)
entry = zf.get_entry(ENTRY_TO_EXTRACT)
entry.extract(EXTRACTED_FILENAME)
assert(File.exist?(EXTRACTED_FILENAME))
AssertEntry.assert_contents(EXTRACTED_FILENAME,
entry.get_input_stream(&:read))
end
end
end