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Contents
module RSpec
module Matchers
# :call-seq:
# should include(expected)
# should_not include(expected)
#
# Passes if actual includes expected. This works for
# collections and Strings. You can also pass in multiple args
# and it will only pass if all args are found in collection.
#
# == Examples
#
# [1,2,3].should include(3)
# [1,2,3].should include(2,3) #would pass
# [1,2,3].should include(2,3,4) #would fail
# [1,2,3].should_not include(4)
# "spread".should include("read")
# "spread".should_not include("red")
def include(*expected)
Matcher.new :include, *expected do |*_expected|
diffable
match_for_should do |actual|
perform_match(:all?, :all?, actual, _expected)
end
match_for_should_not do |actual|
perform_match(:none?, :any?, actual, _expected)
end
def perform_match(predicate, hash_predicate, actual, _expected)
_expected.send(predicate) do |expected|
if comparing_hash_values?(actual, expected)
expected.send(hash_predicate) {|k,v| actual[k] == v}
elsif comparing_hash_keys?(actual, expected)
actual.has_key?(expected)
else
actual.include?(expected)
end
end
end
def comparing_hash_keys?(actual, expected)
actual.is_a?(Hash) && !expected.is_a?(Hash)
end
def comparing_hash_values?(actual, expected)
actual.is_a?(Hash) && expected.is_a?(Hash)
end
end
end
end
end
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