Class: Cellophane::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/cellophane/parser.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/cellophane/parser.rb', line 3

def initialize(options)
	@options = options
end

Instance Method Details

#features ⇒ Object 



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# File 'lib/cellophane/parser.rb', line 7

def features
	# if no pattern is specified, let cucumber run 'em all
	return [] if @options[:pattern].nil?
	collected_features = @options[:regexp] ? collect_features_by_regexp : collect_features_by_glob
	return collected_features.any? ? collected_features : nil
end

#tags ⇒ Object

features



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# File 'lib/cellophane/parser.rb', line 14

def tags
	tags = {
		:or => [],
		:and => [],
		:not => []
	}

	return '' if @options[:tags].nil?

	@options[:tags].split(',').each do |t|
		# if tags are numeric, let's support ranges !!!
		if t =~ /^(~)?([0-9]+)-([0-9]+)$/
			x = $2.to_i
			y = $3.to_i
			exclude = $1
		
			# in case the user put them in the wrong order ... doh!
			if x > y
				z = x.dup
				x = y.dup
				y = z.dup
			end
		
			(x..y).each do |i|
				if exclude
					tags[:not] << "#{i}"
				else
					tags[:or] << "#{i}"
				end
			end
		else
			if t =~ /^~(.+)/
				tags[:not] << $1
			elsif t =~ /^\+(.+)/
				tags[:and] << $1
			else
				tags[:or] << t
			end
		end
	end # each

	[:and, :or, :not].each { |type| tags[type].uniq! }
	
	# if there are AND/OR tags, remove any NOT tags so we avoid
	# duplicating the tag when passing to cucumber...so instead of
	# cucumber -t @1,@2,@3 -t ~@2
	# we'd like to see
	# cucumber -t @1,@3

	intersection = tags[:or] & tags[:not]
	tags[:or] -= intersection
	tags[:not] -= intersection

	intersection = tags[:and] & tags[:not]
	tags[:and] -= intersection
	tags[:not] -= intersection

	# now add @ and ~ as appropriate
	tags[:or].each_with_index { |tag, i| tags[:or][i] = "@#{tag}" }
	tags[:and].each_with_index { |tag, i| tags[:and][i] = "@#{tag}" }
	tags[:not].each_with_index { |tag, i| tags[:not][i] = "~@#{tag}" }

	tags_fragment = ''
	tags_fragment += "-t #{tags[:or].join(',')} " if tags[:or].any?
	tags_fragment += "-t #{tags[:and].join(' -t ')} " if tags[:and].any?
	tags_fragment += "-t #{tags[:not].join(' -t ')}" if tags[:not].any?
	
	# if the user passes in tags with @ already in it
	tags_fragment.gsub('@@', '@')
end