Sha256: 6f5e0841a776267702618319c87b64049d00d48ba6d59ac06e15fe67d12aedec
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Size: 938 Bytes
Versions: 55
Compression:
Stored size: 938 Bytes
Contents
# frozen_string_literal: true
module Dsu
module Services
# This service captures $stdout, 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 StdoutRedirectorService
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_stdout, $stdout = $stdout, string_io # rubocop:disable Style/ParallelAssignment
yield
string_io.string
ensure
# Restore the original $stdout.
$stdout = original_stdout
end
end
end
end
end
Version data entries
55 entries across 55 versions & 1 rubygems