Class: Minitest::Queue::Runner

Inherits:
Object
  • Object
show all
Includes:
CI::Queue::OutputHelpers
Defined in:
lib/minitest/queue/runner.rb

Constant Summary collapse

Error = 
Class.new(StandardError)
MissingParameter = 
Class.new(Error)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/minitest/queue/runner.rb', line 19

def initialize(argv)
  @queue_config = CI::Queue::Configuration.from_env(ENV)
  @command, @argv = parse(argv)
end

Class Method Details

.invoke(argv) ⇒ Object 



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# File 'lib/minitest/queue/runner.rb', line 15

def self.invoke(argv)
  new(argv).run!
end

Instance Method Details

#bisect_command ⇒ Object 



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# File 'lib/minitest/queue/runner.rb', line 53

def bisect_command
  invalid_usage! "Missing the FAILING_TEST argument." unless queue_config.failing_test

  @queue = CI::Queue::Bisect.new(queue_url, queue_config)
  Minitest.queue = queue
  set_load_path
  load_tests
  populate_queue

  step("Testing the failing test in isolation")
  unless run_tests_in_fork(queue.failing_test)
    puts reopen_previous_step
    puts red("The test fail when ran alone, no need to bisect.")
    exit! 0
  end

  run_index = 0
  while queue.suspects_left > 1
    run_index += 1
    step("Run ##{run_index}, #{queue.suspects_left} suspects left")
    if run_tests_in_fork(queue.candidates)
      queue.succeeded!
    else
      queue.failed!
    end
    puts
  end

  failing_order = queue.candidates
  step("Final validation")
  status = if run_tests_in_fork(failing_order)
    step(yellow("The bisection was inconclusive, there might not be any leaky test here."))
    exit! 1
  else
    step(green('The following command should reproduce the leak on your machine:'), collapsed: false)
    command = %w(bundle exec minitest-queue --queue - run)
    command << "-I#{load_paths}" if load_paths
    command += argv

    puts
    puts "cat <<EOF |\n#{failing_order.to_a.map(&:id).join("\n")}\nEOF\n#{command.join(' ')}"
    puts
    exit! 0
  end
end

#report_command ⇒ Object 



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# File 'lib/minitest/queue/runner.rb', line 99

def report_command
  supervisor = begin
    queue.supervisor
  rescue NotImplementedError => error
    abort! error.message
  end

  step("Waiting for workers to complete")

  unless supervisor.wait_for_workers
    unless supervisor.queue_initialized?
      abort! "No master was elected. Did all workers crash?"
    end

    unless supervisor.exhausted?
      abort! "#{supervisor.size} tests weren't run."
    end
  end

  success = supervisor.minitest_reporters.all?(&:success?)
  supervisor.minitest_reporters.each do |reporter|
    reporter.report
  end

  exit! success ? 0 : 1
end

#retry_command ⇒ Object 



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# File 'lib/minitest/queue/runner.rb', line 38

def retry_command
  self.queue = queue.retry_queue
  run_command
end

#run! ⇒ Object 



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# File 'lib/minitest/queue/runner.rb', line 24

def run!
  invalid_usage!("No command given") if command.nil?
  invalid_usage!('Missing queue URL') unless queue_url

  @queue = CI::Queue.from_uri(queue_url, queue_config)

  method = "#{command}_command"
  if respond_to?(method)
    public_send(method)
  else
    invalid_usage!("Unknown command: #{command}")
  end
end

#run_command ⇒ Object 



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# File 'lib/minitest/queue/runner.rb', line 43

def run_command
  set_load_path
  Minitest.queue = queue
  trap('TERM') { Minitest.queue.shutdown! }
  trap('INT') { Minitest.queue.shutdown! }
  load_tests
  populate_queue
  # Let minitest's at_exit hook trigger
end