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Contents
module RSpec
module Support
# Provides a means to fuzzy-match between two arbitrary objects.
# Understands array/hash nesting. Uses `===` or `==` to
# perform the matching.
module FuzzyMatcher
# @api private
def self.values_match?(expected, actual)
if Array === expected && Enumerable === actual && !(Struct === actual)
return arrays_match?(expected, actual.to_a)
elsif Hash === expected && Hash === actual
return hashes_match?(expected, actual)
elsif actual == expected
return true
end
begin
expected === actual
rescue ArgumentError
# Some objects, like 0-arg lambdas on 1.9+, raise
# ArgumentError for `expected === actual`.
false
end
end
# @private
def self.arrays_match?(expected_list, actual_list)
return false if expected_list.size != actual_list.size
expected_list.zip(actual_list).all? do |expected, actual|
values_match?(expected, actual)
end
end
# @private
def self.hashes_match?(expected_hash, actual_hash)
return false if expected_hash.size != actual_hash.size
expected_hash.all? do |expected_key, expected_value|
actual_value = actual_hash.fetch(expected_key) { return false }
values_match?(expected_value, actual_value)
end
end
private_class_method :arrays_match?, :hashes_match?
end
end
end
Version data entries
29 entries across 26 versions & 8 rubygems