Module: DeepCover::Tools::ExecuteSample

Defined in:
lib/deep_cover/tools/execute_sample.rb

Defined Under Namespace

Classes: ExceptionInSample

Instance Method Summary collapse

Instance Method Details

#execute_sample(to_execute, source: nil) ⇒ Object

Returns true if the code would have continued, false if the rescue was triggered.



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# File 'lib/deep_cover/tools/execute_sample.rb', line 9

def execute_sample(to_execute, source: nil)
  # Disable some annoying warning by ruby. We are testing edge cases, so warnings are to be expected.
  Tools.silence_warnings do
    if to_execute.is_a?(CoveredCode)
      to_execute.execute_code
    else
      to_execute.call
    end
  end
  true
rescue StandardError => e
  # In our samples, a simple `raise` is expected and doesn't need to be rescued
  return false if e.is_a?(RuntimeError) && e.message.empty?

  source = to_execute.covered_source if to_execute.is_a?(CoveredCode)
  raise unless source

  inner_msg = Tools.indent_string("#{e.class.name}: #{e.message}", 4)
  source = Tools.indent_string(source, 4)
  msg = "Exception when executing the sample:\n#{inner_msg}\n*Code follows*\n#{source}"
  new_exc = ExceptionInSample.new(msg)
  new_exc.set_backtrace(e.backtrace)
  raise new_exc
end