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How to use spec_opts method of ParallelTests.RSpec Package

Best Parallel_tests_ruby code snippet using ParallelTests.RSpec.spec_opts

runner.rb

Source:runner.rb

...4    class Runner < ParallelTests::Test::Runner5      def self.run_tests(test_files, process_number, options)6        exe = executable # expensive, so we cache7        version = (exe =~ /\brspec\b/ ? 2 : 1)8        cmd = "#{rspec_1_color if version == 1}#{exe} #{options[:test_options]} #{rspec_2_color if version == 2}#{spec_opts} #{test_files*' '}"9        execute_command(cmd, process_number, options)10      end11      def self.executable12        cmd = if File.file?("script/spec")13          "script/spec"14        elsif ParallelTests.bundler_enabled?15          cmd = (run("bundle show rspec") =~ %r{/rspec-1[^/]+$} ? "spec" : "rspec")16          "bundle exec #{cmd}"17        else18          %w[spec rspec].detect{|cmd| system "#{cmd} --version > /dev/null 2>&1" }19        end20        cmd or raise("Can't find executables rspec or spec")21      end22      def self.runtime_log23        'tmp/parallel_runtime_rspec.log'24      end25      def self.test_file_name26        "spec"27      end28      def self.test_suffix29        "_spec.rb"30      end31      private32      # so it can be stubbed....33      def self.run(cmd)34        `#{cmd}`35      end36      def self.rspec_1_color37        'RSPEC_COLOR=1 ; export RSPEC_COLOR ;' if $stdout.tty?38      end39      def self.rspec_2_color40        '--color --tty ' if $stdout.tty?41      end42      def self.spec_opts43        options_file = ['.rspec_parallel', 'spec/parallel_spec.opts', 'spec/spec.opts'].detect{|f| File.file?(f) }44        return unless options_file45        "-O #{options_file}"46      end47    end48  end49end...

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