class StderrAssay
Assert that there is output $stderr.
StderrAssay.pass?(/foo/){ $stderr.puts 'foo!' } #=> true
Public Class Methods
pass?(match) { || ... }
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Check assertion via ‘#===` method.
# File lib/assay/stderr_assay.rb, line 14 def self.pass?(match, &block) require 'stringio' begin stderr = $stderr newerr = StringIO.new $stderr = newerr yield ensure $stderr = stderr end match === newerr.string.chomp("\n") end