Class: KnapsackPro::TestCaseDetectors::RSpecTestExampleDetector

Inherits:
Object
  • Object
show all
Defined in:
lib/knapsack_pro/test_case_detectors/rspec_test_example_detector.rb

Instance Method Summary collapse

Instance Method Details

#generate_json_report ⇒ Object 



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# File 'lib/knapsack_pro/test_case_detectors/rspec_test_example_detector.rb', line 4

def generate_json_report
  require 'rspec/core'

  cli_format =
    if Gem::Version.new(::RSpec::Core::Version::STRING) < Gem::Version.new('3.6.0')
      require_relative '../formatters/rspec_json_formatter'
      ['--format', KnapsackPro::Formatters::RSpecJsonFormatter.to_s]
    else
      ['--format', 'json']
    end

  ensure_report_dir_exists
  remove_old_json_report

  test_file_entities = slow_test_files

  if test_file_entities.empty?
    no_examples_json = { examples: [] }.to_json
    File.write(report_path, no_examples_json)
    return
  end

  cli_args = cli_format + [
    '--dry-run',
    '--out', report_path,
    '--default-path', test_dir,
  ] + KnapsackPro::TestFilePresenter.paths(test_file_entities)
  options = ::RSpec::Core::ConfigurationOptions.new(cli_args)
  exit_code = ::RSpec::Core::Runner.new(options).run($stderr, $stdout)
  if exit_code != 0
    debug_cmd = ([
      'bundle exec rspec',
    ] + cli_args).join(' ')

    KnapsackPro.logger.error('-'*10 + ' START of actionable error message ' + '-'*50)
    KnapsackPro.logger.error('There was a problem while generating test examples for the slow test files using the RSpec dry-run flag. To reproduce the error triggered by the RSpec, please try to run below command (this way, you can find out what is causing the error):')
    KnapsackPro.logger.error(debug_cmd)
    KnapsackPro.logger.error('-'*10 + ' END of actionable error message ' + '-'*50)

    raise 'There was a problem while generating test examples for the slow test files. Please read actionable error message above.'
  end
end

#slow_test_files ⇒ Object 



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# File 'lib/knapsack_pro/test_case_detectors/rspec_test_example_detector.rb', line 58

def slow_test_files
  if KnapsackPro::Config::Env.slow_test_file_pattern
    KnapsackPro::TestFileFinder.slow_test_files_by_pattern(adapter_class)
  else
    # read slow test files from JSON file on disk that was generated
    # by lib/knapsack_pro/base_allocator_builder.rb
    KnapsackPro::SlowTestFileDeterminer.read_from_json_report
  end
end

#test_file_example_paths ⇒ Object 



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# File 'lib/knapsack_pro/test_case_detectors/rspec_test_example_detector.rb', line 47

def test_file_example_paths
  raise "No report found at #{report_path}" unless File.exist?(report_path)

  json_report = File.read(report_path)
  hash_report = JSON.parse(json_report)
  hash_report
    .fetch('examples')
    .map { |e| e.fetch('id') }
    .map { |path_with_example_id| test_file_hash_for(path_with_example_id) }
end