require "tempfile" require "test/unit" require "csv" require_relative "../../tool/lib/with_different_ofs.rb" module Helper def with_chunk_size(chunk_size) chunk_size_keep = ENV["CSV_PARSER_SCANNER_TEST_CHUNK_SIZE"] begin ENV["CSV_PARSER_SCANNER_TEST_CHUNK_SIZE"] = chunk_size yield ensure ENV["CSV_PARSER_SCANNER_TEST_CHUNK_SIZE"] = chunk_size_keep end end end