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|
require 'helper'
testcase KeyHash do
class_method :[] do
test 'creates new KeyHash' do
s = KeyHash[]
KeyHash.assert === s
end
test 'pre-assigns values' do
s = KeyHash[:a=>1, :b=>2]
s[:a].assert == 1
s[:b].assert == 2
end
end
method :[] do
test 'instance level fetch' do
s = KeyHash[:a=>1, :b=>2]
s[:a].assert == 1
s[:b].assert == 2
end
test 'by default keys are converted to strings' do
s = KeyHash[:a=>1, :b=>2]
s['a'].assert == 1
s['b'].assert == 2
end
end
method :[]= do
test do
s = KeyHash.new
s[:a] = 1
s[:b] = 2
s[:a].assert == 1
s[:b].assert == 2
s['a'].assert == 1
s['b'].assert == 2
end
end
method :initialize do
test do
StandardError.refute.raised? do
s = KeyHash.new
end
end
end
method :to_hash do
test do
s = KeyHash[:a=>1, :b=>2]
s.to_hash.assert == {'a'=>1, 'b'=>2}
end
end
method :to_h do
test do
s = KeyHash[:a=>1, :b=>2]
s.to_h.assert == {'a'=>1, 'b'=>2}
end
end
method :replace do
test do
s = KeyHash.new
s.replace(:a=>1, :b=>2)
s.to_h.assert == {'a'=>1, 'b'=>2}
end
end
method :delete do
test do
s = KeyHash[:a=>1, :b=>2]
s.delete(:a)
s.to_h.assert == {'b'=>2}
end
end
method :each do
test do
s = KeyHash[:a=>1, :b=>2]
s.each do |k,v|
String.assert === k
end
end
end
method :store do
test do
s = KeyHash.new
s.store(:a, 1)
s.to_h.assert == {'a'=>1}
end
end
method :update do
test do
s1 = KeyHash[:a=>1,:b=>2]
s2 = KeyHash[:c=>3,:d=>4]
s1.update(s2)
s1.to_h.assert == {'a'=>1,'b'=>2,'c'=>3,'d'=>4}
end
end
method :rekey do
test do
s = KeyHash[:a=>1,:b=>2,:c=>3]
x = s.rekey{ |k| k.upcase }
x.to_h.assert == {'A'=>1,'B'=>2,'C'=>3}
end
end
method :rekey! do
test do
s = KeyHash[:a=>1,:b=>2,:c=>3]
s.rekey!{ |k| k.upcase }
s.to_h.assert == {'A'=>1,'B'=>2,'C'=>3}
end
end
method :key? do
test do
s = KeyHash[:a=>1]
s.assert.key?(:a)
s.assert.key?('a')
end
end
method :has_key? do
test do
s = KeyHash[:a=>1]
s.assert.has_key?(:a)
s.assert.has_key?('a')
end
end
method :<< do
test do
s = KeyHash.new
s << [:a, 1]
s << [:b, 2]
s.to_h.assert == {'a'=>1, 'b'=>2}
end
end
method :merge! do
test do
s1 = KeyHash[:a=>1,:b=>2]
s2 = KeyHash[:c=>3,:d=>4]
s1.merge!(s2)
s1.to_h.assert == {'a'=>1,'b'=>2,'c'=>3,'d'=>4}
end
end
method :values_at do
test do
s = KeyHash[:a=>1,:b=>2,:c=>3]
s.values_at(:a, :b).assert == [1,2]
s.values_at('a','b').assert == [1,2]
end
end
method :fetch do
test do
s = KeyHash[:a=>1,:b=>2,:c=>3]
s.fetch(:a).assert == 1
s.fetch('a').assert == 1
end
end
#method :cast_key do
# test do
# s = KeyHash.new
# s.send(:cast_key, :a).assert == 'a'
# end
#end
end
|
