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Contents
require 'set'
require 'imw/utils'
module IMWTest
module CustomMatchers
# Match the contents of two arrays without regard to the order
# of their elements by treating each as a set.
class WithoutRegardToOrder
private
def initialize known_array
@known_array = known_array.to_set
end
public
def matches? array_to_test
@array_to_test = array_to_test.to_set
@array_to_test == @known_array
end
def failure_message
missing_from_array_to_test = "missing from array to test: #{(@known_array - @array_to_test).to_a.quote_items_with "and"}\n"
missing_from_known_array = "missing from known array: #{(@array_to_test - @known_array).to_a.quote_items_with "and"}\n"
common_to_both = "common to both: #{(@array_to_test & @known_array).to_a.quote_items_with "and"}\n"
"expected contents of the arrays to be identical:\n\n#{missing_from_array_to_test}\n#{missing_from_known_array}\n#{common_to_both}"
end
def negative_failure_message
"expected contents of the arrays to differ."
end
end
# Check that the contents of one array match another without
# regard to ordering.
def match_without_regard_to_order known_array
WithoutRegardToOrder.new(known_array)
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems