Module: Rake::TeamCity::StdCaptureHelper

Included in:
Spec::Runner::Formatter::TeamcityFormatter
Defined in:
lib/rspec/teamcity/utils/std_capture_helper.rb

Overview

Captures STDOUT and STDERR

Instance Method Summary collapse

Instance Method Details

#capture_output_end_external(old_out, old_err, new_out, new_err) ⇒ Object

returns STDOUT and STDERR content



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# File 'lib/rspec/teamcity/utils/std_capture_helper.rb', line 62

def capture_output_end_external(old_out, old_err, new_out, new_err)
  STDOUT.flush
  STDERR.flush

  if isCaptureDisabled()
    return "", ""
  end

  reopen_stdout_stderr(old_out, old_err)

  return get_redirected_stdout_stderr_from_files(new_out, new_err)
end

#capture_output_start_external ⇒ Object 



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# File 'lib/rspec/teamcity/utils/std_capture_helper.rb', line 32

def capture_output_start_external
  old_out, old_err = copy_stdout_stderr

  if isCaptureDisabled()
    return old_out, old_err, nil, nil
  end

  new_out = Tempfile.new("tempfile_out")
  new_err = Tempfile.new("tempfile_err")

  reopen_stdout_stderr(new_out, new_err)

  return old_out, old_err, new_out, new_err
end

#copy_stdout_stderr ⇒ Object 



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# File 'lib/rspec/teamcity/utils/std_capture_helper.rb', line 47

def copy_stdout_stderr
   if isCaptureDisabled()
     return STDOUT, STDERR
   else
     return STDOUT.dup, STDERR.dup
   end
end

#get_redirected_stdout_stderr_from_files(new_out, new_err) ⇒ Object

Closes files’ streams and gets its output.



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# File 'lib/rspec/teamcity/utils/std_capture_helper.rb', line 76

def get_redirected_stdout_stderr_from_files(new_out, new_err)
  if isCaptureDisabled()
    return "", ""
  end

  begin
    new_out.close
    new_out.open
    s_out = new_out.readlines.join
    new_out.close
  rescue Exception => ex
    s_out = "Error: Teamcity agent is unable to capture STDOUT: #{ex}"
  end

  begin
    new_err.close
    new_err.open
    s_err = new_err.readlines.join
    new_err.close
  rescue Exception => ex
    s_err = "Error: Teamcity agent is unable to capture STDERR: #{ex}"
  end

  return s_out, s_err
end

#isCaptureDisabled ⇒ Object 



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# File 'lib/rspec/teamcity/utils/std_capture_helper.rb', line 28

def isCaptureDisabled()
  ENV[TEAMCITY_RAKERUNNER_LOG_OUTPUT_CAPTURER_ENABLED_KEY] != "true"
end

#reopen_stdout_stderr(sout, serr) ⇒ Object 



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# File 'lib/rspec/teamcity/utils/std_capture_helper.rb', line 55

def reopen_stdout_stderr(sout, serr)
  STDOUT.reopen(sout)
  STDERR.reopen(serr)
  nil
end