Best Parallel_tests_ruby code snippet using ParallelTests.execute_command_in_parallel
cli.rb
Source:cli.rb
...13 num_processes = ParallelTests.determine_number_of_processes(options[:count])14 num_processes *= (options[:multiply] || 1)15 options[:first_is_1] ||= first_is_1?16 if options[:execute]17 execute_command_in_parallel(options[:execute], num_processes, options)18 else19 run_tests_in_parallel(num_processes, options)20 end21 end22 private23 def handle_interrupt24 @graceful_shutdown_attempted ||= false25 Kernel.exit if @graceful_shutdown_attempted26 # The Pid class's synchronize method can't be called directly from a trap27 # Using Thread workaround https://github.com/ddollar/foreman/issues/33228 Thread.new { ParallelTests.stop_all_processes }29 @graceful_shutdown_attempted = true30 end31 def execute_in_parallel(items, num_processes, options)32 Tempfile.open 'parallel_tests-lock' do |lock|33 ParallelTests.with_pid_file do34 simulate_output_for_ci options[:serialize_stdout] do35 Parallel.map(items, in_threads: num_processes) do |item|36 result = yield(item)37 reprint_output(result, lock.path) if options[:serialize_stdout]38 ParallelTests.stop_all_processes if options[:fail_fast] && result[:exit_status] != 039 result40 end41 end42 end43 end44 end45 def run_tests_in_parallel(num_processes, options)46 test_results = nil47 run_tests_proc = -> do48 groups = @runner.tests_in_groups(options[:files], num_processes, options)49 groups.reject!(&:empty?)50 if options[:only_group]51 groups = options[:only_group].map { |i| groups[i - 1] }.compact52 num_processes = 153 end54 report_number_of_tests(groups) unless options[:quiet]55 test_results = execute_in_parallel(groups, groups.size, options) do |group|56 run_tests(group, groups.index(group), num_processes, options)57 end58 report_results(test_results, options) unless options[:quiet]59 end60 if options[:quiet]61 run_tests_proc.call62 else63 report_time_taken(&run_tests_proc)64 end65 if any_test_failed?(test_results)66 warn final_fail_message67 # return the highest exit status to allow sub-processes to send things other than 168 exit_status = if options[:highest_exit_status]69 test_results.map { |data| data.fetch(:exit_status) }.max70 else71 172 end73 exit exit_status74 end75 end76 def run_tests(group, process_number, num_processes, options)77 if group.empty?78 { stdout: '', exit_status: 0, command: nil, seed: nil }79 else80 @runner.run_tests(group, process_number, num_processes, options)81 end82 end83 def reprint_output(result, lockfile)84 lock(lockfile) do85 $stdout.puts86 $stdout.puts result[:stdout]87 $stdout.flush88 end89 end90 def lock(lockfile)91 File.open(lockfile) do |lock|92 lock.flock File::LOCK_EX93 yield94 ensure95 # This shouldn't be necessary, but appears to be96 lock.flock File::LOCK_UN97 end98 end99 def report_results(test_results, options)100 results = @runner.find_results(test_results.map { |result| result[:stdout] } * "")101 puts ""102 puts @runner.summarize_results(results)103 report_failure_rerun_commmand(test_results, options)104 end105 def report_failure_rerun_commmand(test_results, options)106 failing_sets = test_results.reject { |r| r[:exit_status] == 0 }107 return if failing_sets.none?108 if options[:verbose] || options[:verbose_rerun_command]109 puts "\n\nTests have failed for a parallel_test group. Use the following command to run the group again:\n\n"110 failing_sets.each do |failing_set|111 command = failing_set[:command]112 command = @runner.command_with_seed(command, failing_set[:seed]) if failing_set[:seed]113 puts Shellwords.shelljoin(command)114 end115 end116 end117 def report_number_of_tests(groups)118 name = @runner.test_file_name119 num_processes = groups.size120 num_tests = groups.map(&:size).sum121 tests_per_process = (num_processes == 0 ? 0 : num_tests / num_processes)122 puts "#{pluralize(num_processes, 'process')} for #{pluralize(num_tests, name)}, ~ #{pluralize(tests_per_process, name)} per process"123 end124 def pluralize(n, singular)125 if n == 1126 "1 #{singular}"127 elsif singular.end_with?('s', 'sh', 'ch', 'x', 'z')128 "#{n} #{singular}es"129 else130 "#{n} #{singular}s"131 end132 end133 # exit with correct status code so rake parallel:test && echo 123 works134 def any_test_failed?(test_results)135 test_results.any? { |result| result[:exit_status] != 0 }136 end137 def parse_options!(argv)138 newline_padding = " " * 37139 options = {}140 OptionParser.new do |opts|141 opts.banner = <<~BANNER142 Run all tests in parallel, giving each process ENV['TEST_ENV_NUMBER'] ('', '2', '3', ...)143 [optional] Only selected files & folders:144 parallel_test test/bar test/baz/xxx_text.rb145 [optional] Pass test-options and files via `--`:146 parallel_test -- -t acceptance -f progress -- spec/foo_spec.rb spec/acceptance147 Options are:148 BANNER149 opts.on("-n [PROCESSES]", Integer, "How many processes to use, default: available CPUs") { |n| options[:count] = n }150 opts.on("-p", "--pattern [PATTERN]", "run tests matching this regex pattern") { |pattern| options[:pattern] = /#{pattern}/ }151 opts.on("--exclude-pattern", "--exclude-pattern [PATTERN]", "exclude tests matching this regex pattern") { |pattern| options[:exclude_pattern] = /#{pattern}/ }152 opts.on(153 "--group-by [TYPE]",154 <<~TEXT.rstrip.split("\n").join("\n#{newline_padding}")155 group tests by:156 found - order of finding files157 steps - number of cucumber/spinach steps158 scenarios - individual cucumber scenarios159 filesize - by size of the file160 runtime - info from runtime log161 default - runtime when runtime log is filled otherwise filesize162 TEXT163 ) { |type| options[:group_by] = type.to_sym }164 opts.on("-m [FLOAT]", "--multiply-processes [FLOAT]", Float, "use given number as a multiplier of processes to run") do |multiply|165 options[:multiply] = multiply166 end167 opts.on("-s [PATTERN]", "--single [PATTERN]", "Run all matching files in the same process") do |pattern|168 (options[:single_process] ||= []) << /#{pattern}/169 end170 opts.on("-i", "--isolate", "Do not run any other tests in the group used by --single(-s)") do171 options[:isolate] = true172 end173 opts.on(174 "--isolate-n [PROCESSES]",175 Integer,176 "Use 'isolate' singles with number of processes, default: 1."177 ) { |n| options[:isolate_count] = n }178 opts.on("--highest-exit-status", "Exit with the highest exit status provided by test run(s)") do179 options[:highest_exit_status] = true180 end181 opts.on(182 "--specify-groups [SPECS]",183 <<~TEXT.rstrip.split("\n").join("\n#{newline_padding}")184 Use 'specify-groups' if you want to specify multiple specs running in multiple185 processes in a specific formation. Commas indicate specs in the same process,186 pipes indicate specs in a new process. Cannot use with --single, --isolate, or187 --isolate-n. Ex.188 $ parallel_test -n 3 . --specify-groups '1_spec.rb,2_spec.rb|3_spec.rb'189 Process 1 will contain 1_spec.rb and 2_spec.rb190 Process 2 will contain 3_spec.rb191 Process 3 will contain all other specs192 TEXT193 ) { |groups| options[:specify_groups] = groups }194 opts.on("--only-group INT[,INT]", Array) { |groups| options[:only_group] = groups.map(&:to_i) }195 opts.on("-e", "--exec [COMMAND]", "execute this code parallel and with ENV['TEST_ENV_NUMBER']") { |arg| options[:execute] = Shellwords.shellsplit(arg) }196 opts.on("-o", "--test-options '[OPTIONS]'", "execute test commands with those options") { |arg| options[:test_options] = Shellwords.shellsplit(arg) }197 opts.on("-t", "--type [TYPE]", "test(default) / rspec / cucumber / spinach") do |type|198 @runner = load_runner(type)199 rescue NameError, LoadError => e200 puts "Runner for `#{type}` type has not been found! (#{e})"201 abort202 end203 opts.on(204 "--suffix [PATTERN]",205 <<~TEXT.rstrip.split("\n").join("\n#{newline_padding}")206 override built in test file pattern (should match suffix):207 '_spec\.rb$' - matches rspec files208 '_(test|spec).rb$' - matches test or spec files209 TEXT210 ) { |pattern| options[:suffix] = /#{pattern}/ }211 opts.on("--serialize-stdout", "Serialize stdout output, nothing will be written until everything is done") { options[:serialize_stdout] = true }212 opts.on("--prefix-output-with-test-env-number", "Prefixes test env number to the output when not using --serialize-stdout") { options[:prefix_output_with_test_env_number] = true }213 opts.on("--combine-stderr", "Combine stderr into stdout, useful in conjunction with --serialize-stdout") { options[:combine_stderr] = true }214 opts.on("--non-parallel", "execute same commands but do not in parallel, needs --exec") { options[:non_parallel] = true }215 opts.on("--no-symlinks", "Do not traverse symbolic links to find test files") { options[:symlinks] = false }216 opts.on('--ignore-tags [PATTERN]', 'When counting steps ignore scenarios with tags that match this pattern') { |arg| options[:ignore_tag_pattern] = arg }217 opts.on("--nice", "execute test commands with low priority.") { options[:nice] = true }218 opts.on("--runtime-log [PATH]", "Location of previously recorded test runtimes") { |path| options[:runtime_log] = path }219 opts.on("--allowed-missing [INT]", Integer, "Allowed percentage of missing runtimes (default = 50)") { |percent| options[:allowed_missing_percent] = percent }220 opts.on("--unknown-runtime [FLOAT]", Float, "Use given number as unknown runtime (otherwise use average time)") { |time| options[:unknown_runtime] = time }221 opts.on("--first-is-1", "Use \"1\" as TEST_ENV_NUMBER to not reuse the default test environment") { options[:first_is_1] = true }222 opts.on("--fail-fast", "Stop all groups when one group fails (best used with --test-options '--fail-fast' if supported") { options[:fail_fast] = true }223 opts.on("--verbose", "Print debug output") { options[:verbose] = true }224 opts.on("--verbose-process-command", "Displays only the command that will be executed by each process") { options[:verbose_process_command] = true }225 opts.on("--verbose-rerun-command", "When there are failures, displays the command executed by each process that failed") { options[:verbose_rerun_command] = true }226 opts.on("--quiet", "Print only tests output") { options[:quiet] = true }227 opts.on("-v", "--version", "Show Version") do228 puts ParallelTests::VERSION229 exit 0230 end231 opts.on("-h", "--help", "Show this.") do232 puts opts233 exit 0234 end235 end.parse!(argv)236 raise "Both options are mutually exclusive: verbose & quiet" if options[:verbose] && options[:quiet]237 if options[:count] == 0238 options.delete(:count)239 options[:non_parallel] = true240 end241 files, remaining = extract_file_paths(argv)242 unless options[:execute]243 if files.empty?244 default_test_folder = @runner.default_test_folder245 if File.directory?(default_test_folder)246 files = [default_test_folder]247 else248 abort "Pass files or folders to run"249 end250 end251 options[:files] = files.map { |file_path| Pathname.new(file_path).cleanpath.to_s }252 end253 append_test_options(options, remaining)254 options[:group_by] ||= :filesize if options[:only_group]255 if options[:group_by] == :found && options[:single_process]256 raise "--group-by found and --single-process are not supported"257 end258 allowed = [:filesize, :runtime, :found]259 if !allowed.include?(options[:group_by]) && options[:only_group]260 raise "--group-by #{allowed.join(" or ")} is required for --only-group"261 end262 if options[:specify_groups] && (options.keys & [:single_process, :isolate, :isolate_count]).any?263 raise "Can't pass --specify-groups with any of these keys: --single, --isolate, or --isolate-n"264 end265 options266 end267 def extract_file_paths(argv)268 dash_index = argv.rindex("--")269 file_args_at = (dash_index || -1) + 1270 [argv[file_args_at..-1], argv[0...(dash_index || 0)]]271 end272 def extract_test_options(argv)273 dash_index = argv.index("--") || -1274 argv[dash_index + 1..-1]275 end276 def append_test_options(options, argv)277 new_opts = extract_test_options(argv)278 return if new_opts.empty?279 options[:test_options] ||= []280 options[:test_options] += new_opts281 end282 def load_runner(type)283 require "parallel_tests/#{type}/runner"284 runner_classname = type.split("_").map(&:capitalize).join.sub("Rspec", "RSpec")285 klass_name = "ParallelTests::#{runner_classname}::Runner"286 klass_name.split('::').inject(Object) { |x, y| x.const_get(y) }287 end288 def execute_command_in_parallel(command, num_processes, options)289 runs = if options[:only_group]290 options[:only_group].map { |g| g - 1 }291 else292 (0...num_processes).to_a293 end294 results = if options[:non_parallel]295 ParallelTests.with_pid_file do296 runs.map do |i|297 ParallelTests::Test::Runner.execute_command(command, i, num_processes, options)298 end299 end300 else301 execute_in_parallel(runs, runs.size, options) do |i|302 ParallelTests::Test::Runner.execute_command(command, i, num_processes, options)...
parallel_tests@3.11.1.rbi
Source:parallel_tests@3.11.1.rbi
...24 private25 def any_test_failed?(test_results); end26 def append_test_options(options, argv); end27 def detailed_duration(seconds); end28 def execute_command_in_parallel(command, num_processes, options); end29 def execute_in_parallel(items, num_processes, options); end30 def extract_file_paths(argv); end31 def extract_test_options(argv); end32 def final_fail_message; end33 def first_is_1?; end34 def handle_interrupt; end35 def load_runner(type); end36 def lock(lockfile); end37 def parse_options!(argv); end38 def pluralize(n, singular); end39 def report_failure_rerun_commmand(test_results, options); end40 def report_number_of_tests(groups); end41 def report_results(test_results, options); end42 def report_time_taken(&block); end...
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel("ls -l")2ParallelTests.execute_command_in_parallel("ls -l")3ParallelTests.execute_command_in_parallel("ls -l")4ParallelTests.execute_command_in_parallel("ls -l")5ParallelTests.execute_command_in_parallel("ls -l")6ParallelTests.execute_command_in_parallel("ls -l")7ParallelTests.execute_command_in_parallel("ls -l")8ParallelTests.execute_command_in_parallel("ls -l")9ParallelTests.execute_command_in_parallel("ls -l")10ParallelTests.execute_command_in_parallel("ls -l")11ParallelTests.execute_command_in_parallel("ls -l")12ParallelTests.execute_command_in_parallel("ls -l")13ParallelTests.execute_command_in_parallel("ls -l")14ParallelTests.execute_command_in_parallel("ls -l")
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])2ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])3ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])4ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])5ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])6ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])7ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])8ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])9ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])10ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])11ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])12ParallelTests.execute_command_in_parallel(ARGV[0], ARGV[1])
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel('ls -l', 2)2ParallelTests.execute_command_in_parallel('ls -l', 2)3ParallelTests.execute_command_in_parallel('ls -l', 2)4ParallelTests.execute_command_in_parallel('ls -l', 2)5ParallelTests.execute_command_in_parallel('ls -l', 2)6ParallelTests.execute_command_in_parallel('ls -l', 2)7ParallelTests.execute_command_in_parallel('ls -l', 2)8ParallelTests.execute_command_in_parallel('ls -l', 2)9ParallelTests.execute_command_in_parallel('ls -l', 2)10ParallelTests.execute_command_in_parallel('
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel("echo 1")2 def self.execute_command_in_parallel(command)3ParallelTests.execute_command_in_parallel("echo 1")4 def self.execute_command_in_parallel(command)
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel("ruby 2.rb")2ParallelTests.execute_command_in_parallel("ruby 3.rb")3ParallelTests.execute_command_in_parallel("ruby 4.rb")4ParallelTests.execute_command_in_parallel("ruby 5.rb")5ParallelTests.execute_command_in_parallel("ruby 6.rb")6ParallelTests.execute_command_in_parallel("ruby 7.rb")7ParallelTests.execute_command_in_parallel("ruby 8.rb")8ParallelTests.execute_command_in_parallel("ruby 9.rb")9ParallelTests.execute_command_in_parallel("ruby 10.rb")10ParallelTests.execute_command_in_parallel("ruby 11.rb")11ParallelTests.execute_command_in_parallel("ruby 12.rb")12ParallelTests.execute_command_in_parallel("ruby 13.rb")13ParallelTests.execute_command_in_parallel("ruby 14.rb")14ParallelTests.execute_command_in_parallel("ruby 15.rb")15ParallelTests.execute_command_in_parallel("ruby 16.rb")
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel(commands)2ParallelTests.execute_command_in_parallel(commands)3ParallelTests.execute_command_in_parallel(commands, true)4ParallelTests.execute_command_in_parallel(commands, true, true)5ParallelTests.execute_command_in_parallel(commands, true, true, true)
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel("ls -l", 2)2ParallelTests.execute_command_in_parallel("echo 1")3 def self.execute_command_in_parallel(command)4ParallelTests.execute_command_in_parallel("echo 1")5 def self.execute_command_in_parallel(command)
execute_command_in_parallel
Using AI Code Generation
1ParallelTests.execute_command_in_parallel("ruby 2.rb")2ParallelTests.execute_command_in_parallel("ruby 3.rb")3ParallelTests.execute_command_in_parallel("ruby 4.rb")4ParallelTests.execute_command_in_parallel("ruby 5.rb")5ParallelTests.execute_command_in_parallel("ruby 6.rb")6ParallelTests.execute_command_in_parallel("ruby 7.rb")7ParallelTests.execute_command_in_parallel("ruby 8.rb")8ParallelTests.execute_command_in_parallel("ruby 9.rb")9ParallelTests.execute_command_in_parallel("ruby 10.rb")10ParallelTests.execute_command_in_parallel("ruby 11.rb")11ParallelTests.execute_command_in_parallel("ruby 12.rb")12ParallelTests.execute_command_in_parallel("ruby 13.rb")13ParallelTests.execute_command_in_parallel("ruby 14.rb")14ParallelTests.execute_command_in_parallel("ruby 15.rb")15ParallelTests.execute_command_in_parallel("ruby 16.rb")
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!