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# frozen_string_literal: true
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_empty buffer
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