require "abstract_unit" class BenchmarkableTest < ActiveSupport::TestCase include ActiveSupport::Benchmarkable attr_reader :buffer, :logger class Buffer include Enumerable def initialize; @lines = []; end def each(&block); @lines.each(&block); end def write(x); @lines << x; end def close; end def last; @lines.last; end def size; @lines.size; end def empty?; @lines.empty?; end end def setup @buffer = Buffer.new @logger = ActiveSupport::Logger.new(@buffer) end def test_without_block assert_raise(LocalJumpError) { benchmark } assert buffer.empty? end def test_defaults i_was_run = false benchmark { i_was_run = true } assert i_was_run assert_last_logged end def test_with_message i_was_run = false benchmark("test_run") { i_was_run = true } assert i_was_run assert_last_logged "test_run" end def test_with_silence assert_difference "buffer.count", +2 do benchmark("test_run") do logger.info "SOMETHING" end end assert_difference "buffer.count", +1 do benchmark("test_run", silence: true) do logger.info "NOTHING" end end end def test_within_level logger.level = ActiveSupport::Logger::DEBUG benchmark("included_debug_run", level: :debug) { } assert_last_logged "included_debug_run" end def test_outside_level logger.level = ActiveSupport::Logger::ERROR benchmark("skipped_debug_run", level: :debug) { } assert_no_match(/skipped_debug_run/, buffer.last) ensure logger.level = ActiveSupport::Logger::DEBUG end private def assert_last_logged(message = "Benchmarking") assert_match(/^#{message} \(.*\)$/, buffer.last) end end