Class: Cuporter::FeatureParser

Inherits:
Object
  • Object
show all
Defined in:
lib/cuporter/feature_parser.rb

Constant Summary collapse

FEATURE_LINE = 
/^\s*(Feature:[^#]+)/
TAG_LINE = 
/^\s*(@\w.+)/
SCENARIO_LINE = 
/^\s*(Scenario:[^#]+)$/
SCENARIO_OUTLINE_LINE = 
/^\s*(Scenario Outline:[^#]+)$/
SCENARIO_SET_LINE = 
/^\s*(Scenarios:[^#]*)$/
EXAMPLE_SET_LINE = 
/^\s*(Examples:[^#]*)$/
EXAMPLE_LINE = 
/^\s*(\|.*\|)\s*$/

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ FeatureParser

Returns a new instance of FeatureParser.



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# File 'lib/cuporter/feature_parser.rb', line 13

def initialize(file)
  @file = file
  @current_tags = []
end

Class Method Details

.parse(file) ⇒ Object 



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# File 'lib/cuporter/feature_parser.rb', line 18

def self.parse(file)
  self.new(file).parse
end

Instance Method Details

#close_scenario_outline ⇒ Object 



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# File 'lib/cuporter/feature_parser.rb', line 62

def close_scenario_outline
  if @scenario_outline
    if @example_set
      @scenario_outline.add_to_tag_nodes(@example_set) if @example_set
      @example_set = nil
    end
    @feature.merge(@scenario_outline)
    @scenario_outline = nil
  end
end

#parse ⇒ Object 



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# File 'lib/cuporter/feature_parser.rb', line 22

def parse
  lines = File.read(@file).split(/\n/)

  lines.each_with_index do |line, i|
    case line
    when TAG_LINE
      # may be more than one tag line
      @current_tags |= $1.strip.split(/\s+/)
    when FEATURE_LINE
      @feature = TagListNode.new($1, @current_tags)
      @feature.file = @file.sub(/^.*features\//,"features/")
      @current_tags = []
    when SCENARIO_LINE
      # How do we know when we have read all the lines from a "Scenario Outline:"?
      # One way is when we encounter a "Scenario:"
      close_scenario_outline

      @feature.add_to_tag_nodes(TagListNode.new($1, @current_tags))
      @current_tags = []
    when SCENARIO_OUTLINE_LINE
      # ... another is when we hit a subsequent "Scenario Outline:"
      close_scenario_outline

      @scenario_outline  = TagListNode.new($1, @current_tags)
      @current_tags = []
    when EXAMPLE_SET_LINE, SCENARIO_SET_LINE
      @scenario_outline.add_to_tag_nodes(@example_set) if @example_set

      @example_set = ExampleSetNode.new($1, @feature.tags | @current_tags)
      @current_tags = []
    when @example_set && EXAMPLE_LINE
      @example_set.add_child(Node.new($1))
    end
  end

  # EOF is the final way that we know we are finished with a "Scenario Outline"
  close_scenario_outline
  return @feature
end