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Contents
# frozen_string_literal: true
module HTTP
module Features
# Log requests and responses. Request verb and uri, and Response status are
# logged at `info`, and the headers and bodies of both are logged at
# `debug`. Be sure to specify the logger when enabling the feature:
#
# HTTP.use(logging: {logger: Logger.new(STDOUT)}).get("https://example.com/")
#
class Logging < Feature
HTTP::Options.register_feature(:logging, self)
class NullLogger
%w[fatal error warn info debug].each do |level|
define_method(level.to_sym) do |*_args|
nil
end
define_method(:"#{level}?") do
true
end
end
end
attr_reader :logger
def initialize(logger: NullLogger.new)
@logger = logger
end
def wrap_request(request)
logger.info { "> #{request.verb.to_s.upcase} #{request.uri}" }
logger.debug { "#{stringify_headers(request.headers)}\n\n#{request.body.source}" }
request
end
def wrap_response(response)
logger.info { "< #{response.status}" }
logger.debug { "#{stringify_headers(response.headers)}\n\n#{response.body}" }
response
end
private
def stringify_headers(headers)
headers.map { |name, value| "#{name}: #{value}" }.join("\n")
end
end
end
end
Version data entries
15 entries across 15 versions & 3 rubygems