Class: TurboTests::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/turbo_tests/runner.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(**opts) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/turbo_tests/runner.rb', line 72

def initialize(**opts)
  @formatters = opts[:formatters]
  @reporter = opts[:reporter]
  @files = opts[:files]
  @tags = opts[:tags]
  @verbose = opts[:verbose]
  @fail_fast = opts[:fail_fast]
  @start_time = opts[:start_time]
  @count = opts[:count]
  @seed = opts[:seed]
  @seed_used = opts[:seed_used]
  @nice = opts[:nice]
  @use_runtime_info = opts[:use_runtime_info]

  @load_time = 0
  @load_count = 0
  @failure_count = 0

  # Supports runtime_log as a top level option,
  #   but also nested inside parallel_options
  @runtime_log = opts[:runtime_log] || "tmp/turbo_rspec_runtime.log"
  @parallel_options = opts.fetch(:parallel_options, {})
  @parallel_options[:runtime_log] ||= @runtime_log
  @record_runtime = @parallel_options[:group_by] == :runtime

  @messages = Thread::Queue.new
  @threads = []
  @wait_threads = []
  @error = false
  @print_failed_group = opts[:print_failed_group]
end

Class Method Details

.create(count) ⇒ Object 



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# File 'lib/turbo_tests/runner.rb', line 13

def create(count)
  # We are unable to load parallel tests' tasks in the normal way (top of file)
  # because it requires that the Rails.application instance already be configured
  require "parallel_tests/tasks"

  ENV["PARALLEL_TEST_FIRST_IS_1"] = "true"
  command = ["bundle", "exec", "rake", "db:create", "RAILS_ENV=#{ParallelTests::Tasks.rails_env}"]
  args = {count: count.to_s}
  ParallelTests::Tasks.run_in_parallel(command, args)
end

.run(opts = {}) ⇒ Object 



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# File 'lib/turbo_tests/runner.rb', line 24

def run(opts = {})
  files = opts[:files]
  formatters = opts[:formatters]
  tags = opts[:tags]
  parallel_options = opts[:parallel_options] || {}

  start_time = opts.fetch(:start_time) { RSpec::Core::Time.now }
  runtime_log = opts.fetch(:runtime_log, nil)
  verbose = opts.fetch(:verbose, false)
  fail_fast = opts.fetch(:fail_fast, nil)
  count = opts.fetch(:count, nil)
  seed = opts.fetch(:seed, nil)
  seed_used = !seed.nil?
  print_failed_group = opts.fetch(:print_failed_group, false)
  nice = opts.fetch(:nice, false)

  use_runtime_info = files == ["spec"]

  if use_runtime_info
    parallel_options[:runtime_log] = runtime_log
  else
    parallel_options[:group_by] = :filesize
  end

  warn("VERBOSE") if verbose

  reporter = Reporter.from_config(formatters, start_time, seed, seed_used, files, parallel_options)

  new(
    reporter: reporter,
    formatters: formatters,
    start_time: start_time,
    files: files,
    tags: tags,
    runtime_log: runtime_log,
    verbose: verbose,
    fail_fast: fail_fast,
    count: count,
    seed: seed,
    seed_used: seed_used,
    print_failed_group: print_failed_group,
    use_runtime_info: use_runtime_info,
    parallel_options: parallel_options,
    nice: nice,
  ).run
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/turbo_tests/runner.rb', line 104

def run
  @num_processes = [
    ParallelTests.determine_number_of_processes(@count),
    ParallelTests::RSpec::Runner.tests_with_size(@files, {}).size,
  ].min

  tests_in_groups =
    ParallelTests::RSpec::Runner.tests_in_groups(
      @files,
      @num_processes,
      **@parallel_options,
    )

  subprocess_opts = {
    record_runtime: @record_runtime,
  }

  @reporter.report(tests_in_groups) do |_reporter|
    old_signal = Signal.trap(:INT) { handle_interrupt }

    @wait_threads = tests_in_groups.map.with_index do |tests, process_id|
      start_regular_subprocess(tests, process_id + 1, **subprocess_opts)
    end.compact
    @interrupt_handled = false

    handle_messages

    @threads.each(&:join)

    report_failed_group(tests_in_groups) if @print_failed_group

    Signal.trap(:INT, old_signal)

    if @reporter.failed_examples.empty? && @wait_threads.map(&:value).all?(&:success?)
      0
    else
      # From https://github.com/galtzo-floss/turbo_tests2/pull/20/
      @wait_threads.map { |thread| thread.value.exitstatus }.max
    end
  end
end