Class: Aef::FileTransferMatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/file_transfer_matchers/file_transfer_matcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(from, options) ⇒ FileTransferMatcher

Returns a new instance of FileTransferMatcher



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# File 'lib/file_transfer_matchers/file_transfer_matcher.rb', line 26

def initialize(from, options)
  @from = from
  @to = options[:to]
  @copy_mode = options[:copy_mode]
  @overwrite = options[:overwrite]

  raise 'A target must be given in copy mode' if @copy_mode and not @to
end

Instance Method Details

#failure_messageObject



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# File 'lib/file_transfer_matchers/file_transfer_matcher.rb', line 59

def failure_message
  case @error
  when SourceNotExistentError
    if @copy_mode
      "File #{@from} could not be copied, as it does not exist"
    elsif @to
      "File #{@from} could not be moved, as it does not exist"
    else
      "File #{@from} could not be deleted, as it does not exist"
    end
  when TargetAlreadyExistentError
    if @copy_mode
      "File #{@from} could not be copied, as target #{@to} already exists"
    else
      "File #{@from} could not be moved, as target #{@to} already exists"
    end
  when TargetNotExistentError
    if @copy_mode
      "File #{@from} should have been copied to #{@to}, but target wasn't created"
    else
      "File #{@from} should have been moved to #{@to}, but target wasn't created"
    end
  when SourceStillExistentError
    if @to
      "File #{@from} should have been moved, but source file still exists"
    else
      "File #{@from} should have been deleted, but source file still exists"
    end
  end
end

#matches?(event_proc) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/file_transfer_matchers/file_transfer_matcher.rb', line 35

def matches?(event_proc)
  raise_block_syntax_error if block_given?

  raise SourceNotExistentError unless File.exist?(@from)
  raise TargetAlreadyExistentError if @to and File.exist?(@to) and not @overwrite

  event_proc.call

  raise TargetNotExistentError if @to and not File.exist?(@to)
  raise SourceStillExistentError if not @copy_mode and File.exist?(@from)

  true
rescue FileTransferMatcherError
  @error = $!
  false
end

#negative_failure_messageObject



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# File 'lib/file_transfer_matchers/file_transfer_matcher.rb', line 90

def negative_failure_message
  if @copy_mode
    "File #{@from} was copied to #{@to}"
  elsif @to
    "File #{@from} was moved to #{@to}"
  else
    "File #{@from} was deleted"
  end
end

#raise_block_syntax_errorObject

Raises:

  • (MatcherError)


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# File 'lib/file_transfer_matchers/file_transfer_matcher.rb', line 52

def raise_block_syntax_error
  raise MatcherError.new(<<-MESSAGE
  block passed to should or should_not move/copy/delete must use {} instead of do/end
    MESSAGE
  )
end