Module: LucidOperation::Gherkin

Defined in:
lib/isomorfeus_operation/lucid_operation/gherkin.rb

Constant Summary collapse

FIRST_EXCEPTION = 
"First must be the first one that is used and can only used once!"
FINALLY_EXCEPTION = 
"Finally, except for Ensure and Failed, must be the last one to be used and can only be used once!"
NEWLINE = 
/\r?\n/
OPERATION = 
/^\s*Operation: (.*)$/
PROCEDURE = 
/^\s*Procedure: (.*)$/
STAR = 
/^\s*\* (.*)$/
GIVEN = 
/^\s*Given (.*)$/
WHEN = 
/^\s*When (.*)$/
THEN = 
/^\s*Then (.*)$/
AND = 
/^\s*And (.*)$/
FIRST = 
/^\s*First (.*)$/
ENSURE = 
/^\s*Ensure (.*)$/
FINALLY = 
/^\s*Finally (.*)$/
IW_FAILING = 
/^\s*(?:When|If) failing (.*)$/
IF_ITT_FAILED = 
/^\s*If (?:that|this|it) failed (.*)$/
FAILED = 
/^\s*Failed (.*)$/
COMMENT = 
/^\s*# (.*)$/
WHITE_SPACE = 
/^\s*$/

Class Method Summary collapse

Class Method Details

.parse(gherkin_text) ⇒ Object 



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# File 'lib/isomorfeus_operation/lucid_operation/gherkin.rb', line 23

def self.parse(gherkin_text)
  operation = { operation: '', procedure: '', steps: [], failure: [], ensure: [] }
  has_finally = false
  lines = gherkin_text.split(NEWLINE)

  lines.each do |line|
    case line
    when STAR, GIVEN, WHEN, THEN, AND
      Isomorfeus.raise_error(message: FINALLY_EXCEPTION) if has_finally
      operation[:steps] << $1.strip
    when ENSURE
      operation[:ensure] << $1.strip
    when IW_FAILING, IF_ITT_FAILED, FAILED
      operation[:failure] << $1.strip
    when FIRST
      Isomorfeus.raise_error(message: FIRST_EXCEPTION) if operation[:steps].size > 0
      operation[:steps] << $1.strip
    when FINALLY
      Isomorfeus.raise_error(message: FINALLY_EXCEPTION) if has_finally
      operation[:steps] << $1.strip
      has_finally = true
    when PROCEDURE
      Isomorfeus.raise_error(message: 'No Operation defined!') if operation[:operation].empty?
      Isomorfeus.raise_error(message: 'Procedure already defined!') unless operation[:procedure].empty?
      operation[:procedure] = $1.strip
    when OPERATION
      Isomorfeus.raise_error(message: 'Operation already defined!') unless operation[:operation].empty?
      operation[:operation] = $1.strip
    when WHITE_SPACE, COMMENT
      # nothing, just skip
    else
      Isomorfeus.raise_error(message: "Unknown key word(s) at the beginning of the line: #{line}") unless operation[:procedure].empty?
      operation[:description] = [] unless operation.key?(:description)
      operation[:description] << line.strip
    end
  end

  operation
end