Module: Capybara::Screenshot::Diff::Vcs

Included in:
TestMethods
Defined in:
lib/capybara/screenshot/diff/vcs.rb

Constant Summary collapse

SILENCE_ERRORS = 
Os::ON_WINDOWS ? "2>nul" : "2>/dev/null"

Instance Method Summary collapse

Instance Method Details

#checkout_vcs(name, comparison) ⇒ Object 



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# File 'lib/capybara/screenshot/diff/vcs.rb', line 21

def checkout_vcs(name, comparison)
  svn_file_name = "#{Capybara::Screenshot.screenshot_area_abs}/.svn/text-base/#{name}.png.svn-base"
  if File.exist?(svn_file_name)
    committed_file_name = svn_file_name
    FileUtils.cp committed_file_name, comparison.old_file_name
  else
    svn_info = `svn info #{comparison.new_file_name} #{SILENCE_ERRORS}`
    if svn_info.present?
      wc_root = svn_info.slice(/(?<=Working Copy Root Path: ).*$/)
      checksum = svn_info.slice(/(?<=Checksum: ).*$/)
      if checksum
        committed_file_name = "#{wc_root}/.svn/pristine/#{checksum[0..1]}/#{checksum}.svn-base"
        FileUtils.cp committed_file_name, comparison.old_file_name
      end
    else
      restore_git_revision(name, comparison.old_file_name)
    end
  end
end

#restore_git_revision(name, target_file_name) ⇒ Object 



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# File 'lib/capybara/screenshot/diff/vcs.rb', line 10

def restore_git_revision(name, target_file_name)
  redirect_target = "#{target_file_name} #{SILENCE_ERRORS}"
  show_command = "git show HEAD~0:./#{Capybara::Screenshot.screenshot_area}/#{name}.png"
  if Capybara::Screenshot.use_lfs
    `#{show_command} | git lfs smudge > #{redirect_target}`
  else
    `#{show_command} > #{redirect_target}`
  end
  FileUtils.rm_f(target_file_name) unless $CHILD_STATUS == 0
end