free_mutant/lib/mutant/matcher/chain.rb
Markus Schirp dc083547f5 Connect cli with runner.
Only supports the testing of testapp... but time will come!
2012-11-21 22:28:08 +01:00

66 lines
1.2 KiB
Ruby

module Mutant
class Matcher
# A chain of matchers
class Chain < self
include Equalizer.new(:matchers)
# Enumerate subjects
#
# @return [Enumerator<Subject]
# returns subject enumerator if no block given
#
# @return [self]
# returnns self otherwise
#
# @api private
#
def each(&block)
return to_enum unless block_given?
matchers.each do |matcher|
matcher.each(&block)
end
self
end
# Return the chain of matchers
#
# @return [Enumerable<Chain>]
#
# @api private
#
attr_reader :matchers
# Build matcher chain
#
# @param [Enumerable<Matcher>] matchers
#
# @return [Matcher]
#
# @api private
#
def self.build(matchers)
if matchers.length == 1
return matchers.first
end
new(matchers)
end
private
# Initialize chain matcher
#
# @param [Enumerable<Matcher>] matchers
#
# @return [undefined]
#
# @api private
#
def initialize(matchers)
@matchers = matchers
end
end
end
end