Sha256: 713f945de8bedd976d901f953576524c175eafddbf731f435410616ef30d8072
Contents?: true
Size: 938 Bytes
Versions: 48
Compression:
Stored size: 938 Bytes
Contents
# frozen_string_literal: true
module Dsu
module Services
# This service captures $stderr, resirects it to a StringIO object,
# and returns the string value.
# https://stackoverflow.com/questions/4459330/how-do-i-temporarily-redirect-stderr-in-ruby/4459463#4459463
module StderrRedirectorService
class << self
def call
raise ArgumentError, 'no block was provided' unless block_given?
# The output stream must be an IO-like object. In this case we capture it in
# an in-memory IO object so we can return the string value. Any IO object can
# be used here.
string_io = StringIO.new
original_stderr, $stderr = $stderr, string_io # rubocop:disable Style/ParallelAssignment
yield
string_io.string
ensure
# Restore the original $stderr.
$stderr = original_stderr
end
end
end
end
end
Version data entries
48 entries across 48 versions & 1 rubygems