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Contents
require 'spec_helper'
describe FormatParser::Measurometer do
RSpec::Matchers.define :include_counter_or_measurement_named do |named|
match do |actual|
actual.any? do |e|
e[0] == named && e[1] > 0
end
end
end
it 'instruments a full cycle FormatParser.parse' do
driver_class = Class.new do
attr_accessor :timings, :counters, :distributions
def instrument(block_name)
s = Process.clock_gettime(Process::CLOCK_MONOTONIC)
yield.tap do
delta = Process.clock_gettime(Process::CLOCK_MONOTONIC) - s
@timings ||= []
@timings << [block_name, delta * 1000]
end
end
def add_distribution_value(value_path, value)
@distributions ||= []
@distributions << [value_path, value]
end
def increment_counter(value_path, value)
@counters ||= []
@counters << [value_path, value]
end
end
instrumenter = driver_class.new
described_class.drivers << instrumenter
FormatParser.parse(File.open(fixtures_dir + 'JPEG/keynote_recognized_as_jpeg.key', 'rb'), results: :all)
described_class.drivers.delete(instrumenter)
expect(described_class.drivers).not_to include(instrumenter)
expect(instrumenter.counters).to include_counter_or_measurement_named('format_parser.detected_formats.zip')
expect(instrumenter.counters).to include_counter_or_measurement_named('format_parser.parser.Care.page_reads_from_upsteam')
expect(instrumenter.distributions).to include_counter_or_measurement_named('format_parser.ZIPParser.read_limiter.read_bytes')
expect(instrumenter.timings).to include_counter_or_measurement_named('format_parser.Cache.read_page')
end
end
Version data entries
17 entries across 17 versions & 1 rubygems