Class: Henitai::Integration::ScenarioLogSupport

Inherits:
Object
  • Object
show all
Defined in:
lib/henitai/integration.rb,
lib/henitai/integration.rb

Overview

Stores the child-process log helpers shared by the integration specs.

Instance Method Summary collapse

Instance Method Details

#build_child_output_files(log_paths) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 57

def build_child_output_files(log_paths)
  {
    original_stdout: stdout_stream.dup,
    original_stderr: stderr_stream.dup,
    stdout_file: File.new(log_paths[:stdout_path], "w"),
    stderr_file: File.new(log_paths[:stderr_path], "w")
  }
end

#capture_child_output(log_paths) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 23

def capture_child_output(log_paths)
  output_files = open_child_output(log_paths)
  yield
ensure
  close_child_output(output_files)
end

#close_child_output(output_files) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 50

def close_child_output(output_files)
  return unless output_files

  restore_child_output(output_files)
  close_child_output_files(output_files)
end

#close_child_output_files(output_files) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 89

def close_child_output_files(output_files)
  %i[stdout_file stderr_file original_stdout original_stderr].each do |key|
    output_files[key]&.close
  end
end

#combined_log(stdout, stderr) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 465

def combined_log(stdout, stderr)
  [
    (stdout.empty? ? nil : "stdout:\n#{stdout}"),
    (stderr.empty? ? nil : "stderr:\n#{stderr}")
  ].compact.join("\n")
end

#open_child_output(log_paths) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 42

def open_child_output(log_paths)
  FileUtils.mkdir_p(File.dirname(log_paths[:log_path]))
  output_files = build_child_output_files(log_paths)
  sync_child_output_files(output_files)
  redirect_child_output(output_files)
  output_files
end

#read_log_file(path) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 454

def read_log_file(path)
  return "" unless File.exist?(path)

  File.read(path)
end

#redirect_child_output(output_files) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 71

def redirect_child_output(output_files)
  reopen_child_output_stream(stdout_stream, output_files[:stdout_file])
  reopen_child_output_stream(stderr_stream, output_files[:stderr_file])
  $stdout = stdout_stream
  $stderr = stderr_stream
end

#reopen_child_output_stream(stream, original_stream) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 85

def reopen_child_output_stream(stream, original_stream)
  stream.reopen(original_stream) if original_stream
end

#restore_child_output(output_files) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 78

def restore_child_output(output_files)
  reopen_child_output_stream(stdout_stream, output_files[:original_stdout])
  reopen_child_output_stream(stderr_stream, output_files[:original_stderr])
  $stdout = stdout_stream
  $stderr = stderr_stream
end

#sync_child_output_files(output_files) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 66

def sync_child_output_files(output_files)
  output_files[:stdout_file].sync = true
  output_files[:stderr_file].sync = true
end

#with_coverage_dir(mutant_id) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 30

def with_coverage_dir(mutant_id)
  original_coverage_dir = ENV.fetch("HENITAI_COVERAGE_DIR", nil)
  ENV["HENITAI_COVERAGE_DIR"] = mutation_coverage_dir(mutant_id)
  yield
ensure
  if original_coverage_dir.nil?
    ENV.delete("HENITAI_COVERAGE_DIR")
  else
    ENV["HENITAI_COVERAGE_DIR"] = original_coverage_dir
  end
end

#write_combined_log(path, stdout, stderr) ⇒ Object 



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# File 'lib/henitai/integration.rb', line 460

def write_combined_log(path, stdout, stderr)
  FileUtils.mkdir_p(File.dirname(path))
  File.write(path, combined_log(stdout, stderr))
end