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|
# frozen_string_literal: true
require 'parallel_tests'
require 'parallel_tests/test/runner'
module ParallelTests
module Test
class RuntimeLogger
@@prepared = false
class << self
def log_test_run(test)
prepare
result = nil
time = ParallelTests.delta { result = yield }
log(test, time)
result
end
def unique_log
with_locked_log do |logfile|
separator = "\n"
groups = logfile.read.split(separator).map { |line| line.split(":") }.group_by(&:first)
lines = groups.map do |file, times|
time = "%.2f" % times.map(&:last).map(&:to_f).sum
"#{file}:#{time}"
end
logfile.rewind
logfile.write(lines.join(separator) + separator)
logfile.truncate(logfile.pos)
end
end
private
def with_locked_log
File.open(logfile, File::RDWR | File::CREAT) do |logfile|
logfile.flock(File::LOCK_EX)
yield logfile
end
end
# ensure folder exists + clean out previous log
# this will happen in multiple processes, but should be roughly at the same time
# so there should be no log message lost
def prepare
return if @@prepared
@@prepared = true
FileUtils.mkdir_p(File.dirname(logfile))
File.write(logfile, '')
end
def log(test, time)
return unless message = message(test, time)
with_locked_log do |logfile|
logfile.seek(0, IO::SEEK_END)
logfile.puts message
end
end
def message(test, delta)
return unless method = test.public_instance_methods(true).detect { |m| m =~ /^test_/ }
filename = test.instance_method(method).source_location.first.sub("#{Dir.pwd}/", "")
"#{filename}:#{delta}"
end
def logfile
ParallelTests::Test::Runner.runtime_log
end
end
end
end
end
if defined?(Minitest::Runnable) # Minitest 5
class << Minitest::Runnable
prepend(
Module.new do
def run(*)
ParallelTests::Test::RuntimeLogger.log_test_run(self) do
super
end
end
end
)
end
class << Minitest
prepend(
Module.new do
def run(*args)
result = super
ParallelTests::Test::RuntimeLogger.unique_log
result
end
end
)
end
end
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