activesupport/test/silence_logger_test.rb


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# frozen_string_literal: true

require "abstract_unit"
require "active_support/logger_silence"
require "logger"

class LoggerSilenceTest < ActiveSupport::TestCase
  class MyLogger < ::Logger
    include LoggerSilence
  end

  setup do
    @io = StringIO.new
    @logger = MyLogger.new(@io)
  end

  test "#silence silences the log" do
    @logger.silence(Logger::ERROR) do
      @logger.info("Foo")
    end
    @io.rewind

    assert_empty @io.read
  end

  test "#debug? is true when setting the temporary level to Logger::DEBUG" do
    @logger.level = Logger::INFO

    @logger.silence(Logger::DEBUG) do
      assert_predicate @logger, :debug?
    end

    assert_predicate @logger, :info?
  end
end