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Contents
module Helpers
module ValueMatchers
### Matchers
def matches_value?(v1, v2, options = {})
if v1 == :any
# any value is acceptable
elsif v1 == :not_nil
return false if v2 == nil
elsif v1.kind_of?(Hash)
return false unless matches_hash?(v1, v2, options)
elsif v1.kind_of?(Array)
return false unless matches_array?(v1, v2, options)
else
return false unless v2 == v1
end
true
end
def matches_array?(array1, array2, options = {})
return false unless array1.kind_of?(Array) && array2.kind_of?(Array)
if options[:exact]
return false unless array1.size == array2.size
end
# order of items shouldn't matter:
# ['a', 'b', 'c'], ['b', 'c', 'a'] -> true
#
# matched items should only be used once:
# ['a', 'b', 'c'], ['a', 'a', 'a'] -> false
# ['a', 'a', 'a'], ['a', 'b', 'c'] -> false
matched = {}
(0..(array1.size - 1)).each do |i|
(0..(array2.size - 1)).each do |j|
if !matched.has_value?(j.to_s) && matches_value?(array1[i], array2[j], options)
matched[i.to_s] = j.to_s
break
end
end
return false unless matched.has_key?(i.to_s)
end
true
end
# options => {exact: true} # hashes must match exactly (i.e. have same number of key-value pairs that are all equal)
def matches_hash?(hash1, hash2, options = {})
return false unless hash1.kind_of?(Hash) && hash2.kind_of?(Hash)
if options[:exact]
return false unless hash1.size == hash2.size
end
hash1 = hash1.deep_symbolize_keys
hash2 = hash2.deep_symbolize_keys
hash1.each do |k1, v1|
return false unless hash2.has_key?(k1) && matches_value?(v1, hash2[k1], options)
end
true
end
end
end
Version data entries
45 entries across 45 versions & 1 rubygems