Module: ParallelCucumber::Helper::Command
- Defined in:
- lib/parallel_cucumber/helper/command.rb
Defined Under Namespace
Classes: TimedOutError
Constant Summary collapse
- ONE_SECOND =
1
Class Method Summary collapse
-
.exec_command(env, desc, script, logger, log_decoration = {}, timeout: 30, capture: false, return_script_error: false) ⇒ Object
rubocop:disable Metrics/ParameterLists, Metrics/LineLength.
- .log_until_incomplete_line(logger, out_string) ⇒ Object
- .wrap_block(log_decoration, block_name, logger) ⇒ Object
Class Method Details
.exec_command(env, desc, script, logger, log_decoration = {}, timeout: 30, capture: false, return_script_error: false) ⇒ Object
rubocop:disable Metrics/ParameterLists, Metrics/LineLength
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# File 'lib/parallel_cucumber/helper/command.rb', line 19 def exec_command(env, desc, script, logger, log_decoration = {}, timeout: 30, capture: false, return_script_error: false) # rubocop:disable Metrics/ParameterLists, Metrics/LineLength block_name = '' if log_decoration['worker_block'] if log_decoration['start'] || log_decoration['end'] block_name = "#{"#{env['TEST_USER']}-w#{env['WORKER_INDEX']}>"} #{desc}" end end logger << format(log_decoration['start'] + "\n", block_name) if log_decoration['start'] full_script = "#{script} 2>&1" env_string = env.map { |k, v| "#{k}=#{v}" }.sort.join(' ') logger << "== Running command `#{full_script}` at #{Time.now}\n== with environment variables: #{env_string}\n" pstat = nil pout = nil capture &&= [''] # Pass by reference exception = nil begin completed = begin pin, pout, pstat = Open3.popen2e(env, full_script) logger << "Command has pid #{pstat[:pid]}\n" pin.close out_reader = Thread.new do output_reader(pout, pstat, logger, capture) end unless out_reader.join(timeout) raise TimedOutError end graceful_process_shutdown(out_reader, pstat, pout, logger) pstat.value # reap already-terminated child. "Command completed #{pstat.value} at #{Time.now}" end logger << "#{completed}\n" raise "Script returned #{pstat.value.exitstatus}" unless pstat.value.success? || return_script_error capture_or_empty = capture ? capture.first : '' # Even '' is truthy return pstat.value.success? ? capture_or_empty : nil rescue TimedOutError => e force_kill_process_with_tree(out_reader, pstat, pout, full_script, logger, timeout) exception = e rescue => e logger.debug("Exception #{pstat ? pstat[:pid] : "pstat=#{pstat}=nil"}") trace = e.backtrace.join("\n\t").sub("\n\t", ": #{$ERROR_INFO}#{e.class ? " (#{e.class})" : ''}\n\t") logger.error("Threw for #{full_script}, caused #{trace}") exception = e ensure logger << format(log_decoration['end'] + "\n", block_name) if log_decoration['end'] end logger.error("*** UNUSUAL TERMINATION FOR: #{script}") raise exception end |
.log_until_incomplete_line(logger, out_string) ⇒ Object
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# File 'lib/parallel_cucumber/helper/command.rb', line 79 def log_until_incomplete_line(logger, out_string) loop do line, out_string = out_string.split(/\n/, 2) return line || '' unless out_string logger << line logger << "\n" end end |
.wrap_block(log_decoration, block_name, logger) ⇒ Object
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# File 'lib/parallel_cucumber/helper/command.rb', line 6 def wrap_block(log_decoration, block_name, logger) [$stdout, $stderr].each(&:flush) logger << format(log_decoration['start'] + "\n", block_name) if log_decoration['start'] [$stdout, $stderr].each(&:flush) yield ensure [$stdout, $stderr].each(&:flush) logger << format(log_decoration['end'] + "\n", block_name) if log_decoration['end'] [$stdout, $stderr].each(&:flush) end |