Module: ForkingTestRunner

Defined in:
lib/forking_test_runner.rb,
lib/forking_test_runner/cli.rb,
lib/forking_test_runner/version.rb,
lib/forking_test_runner/coverage_capture.rb

Defined Under Namespace

Modules: CLI, CoverageCapture

Constant Summary collapse

CLEAR = 
"------"
COVERAGE_REPORT_PREFIX = 
"coverage/fork-"
VERSION = 
"1.16.0"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.after_fork_callbacks ⇒ Object

Returns the value of attribute after_fork_callbacks.



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# File 'lib/forking_test_runner.rb', line 15

def after_fork_callbacks
  @after_fork_callbacks
end

.before_fork_callbacks ⇒ Object

Returns the value of attribute before_fork_callbacks.



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# File 'lib/forking_test_runner.rb', line 15

def before_fork_callbacks
  @before_fork_callbacks
end

Class Method Details

.cli(argv) ⇒ Object 



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# File 'lib/forking_test_runner.rb', line 17

def cli(argv)
  @options, tests = CLI.parse_options(argv)

  # figure out what we need to run
  runtime_log = @options.fetch(:runtime_log)
  groups, group_count = find_group_args
  parallel = @options.fetch(:parallel)
  test_groups =
    if parallel && !@options.fetch(:group)
      Array.new(parallel) { |i| find_tests_for_group(i + 1, parallel, tests, runtime_log) }
    else
      raise ArgumentError, "Use the same amount of processors as groups" if parallel && parallel != groups.count
      groups.map { |group| find_tests_for_group(group, group_count, tests, runtime_log) }
    end

  # say what we are running
  all_tests = test_groups.flatten(1)
  if @options.fetch(:quiet)
    puts "Running #{all_tests.size} test files"
  else
    puts "Running tests #{all_tests.map(&:first).join(" ")}"
  end

  @before_fork_callbacks = []
  @after_fork_callbacks = []

  # run all the tests
  results = with_lock do |lock|
    Parallel.map_with_index(test_groups, in_processes: parallel || 0) do |tests_group, env_index|
      if parallel
        ENV["TEST_ENV_NUMBER"] = (env_index == 0 ? '' : (env_index + 1).to_s) # NOTE: does not support first_is_1 option
      end

      reraise_clean_ar_error { load_test_env }

      tests_group.map do |file, expected|
        print_started file unless parallel
        result = [file, expected, *benchmark { run_test(file) }]
        sync_stdout lock do
          print_started file if parallel
          print_finished(*result)
        end
        result
      end
    end.flatten(1)
  end

  unless @options.fetch(:quiet)
    # pretty print the results
    puts "\nResults:"
    puts(
      results
                .sort_by { |_, _, _, r, _| r ? 0 : 1 } # failures should be last so they are easy to find
                .map { |f, _, _, r, _| "#{f}: #{r ? "OK" : "Fail"}" }
    )
    puts
  end

  success = results.map { |r| r[3] }.all?

  puts colorize(success, summarize_results(results.map { |r| r[4] }))

  if runtime_log
    # show how long they ran vs expected
    diff = results.map { |_, expected, time| time - expected }.inject(:+).to_f
    puts "Time: #{diff.round(2)} diff to expected"
  end

  if mode = @options.fetch(:record_runtime)
    # store runtime log
    log = runtime_log || 'runtime.log'
    record_test_runtime(mode, results, log)
  end

  summarize_partial_reports if partial_reports_for_single_cov?

  # exit with success or failure
  success ? 0 : 1
end