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module RSpec
module LoggingHelper
# Capture log messages from the Logging framework and make them
# available via a @log_output instance variable. The @log_output
# supports a readline method to access the log messages.
#
def capture_log_messages( opts = {} )
from = opts.fetch(:from, 'root')
to = opts.fetch(:to, '__rspec__')
exclusive = opts.fetch(:exclusive, true)
appender = Logging::Appenders[to] || Logging::Appenders::StringIo.new(to)
logger = Logging::Logger[from]
if exclusive
logger.appenders = appender
else
logger.add_appenders(appender)
end
before(:all) do
@log_output = Logging::Appenders[to]
end
before(:each) do
@log_output.reset
end
end
end # module LoggingHelper
end # module RSpec
if defined? RSpec::Core::Configuration
class RSpec::Core::Configuration
include RSpec::LoggingHelper
end
end
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