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# frozen_string_literal: true
require_relative 'helper'
module Psych
class TestOmap < TestCase
def test_parse_as_map
o = Psych.unsafe_load "--- !!omap\na: 1\nb: 2"
assert_kind_of Psych::Omap, o
assert_equal 1, o['a']
assert_equal 2, o['b']
end
def test_self_referential
map = Psych::Omap.new
map['foo'] = 'bar'
map['self'] = map
assert_equal(map, Psych.unsafe_load(Psych.dump(map)))
end
def test_keys
map = Psych::Omap.new
map['foo'] = 'bar'
assert_equal 'bar', map['foo']
end
def test_order
map = Psych::Omap.new
map['a'] = 'b'
map['b'] = 'c'
assert_equal [%w{a b}, %w{b c}], map.to_a
end
def test_square
list = [["a", "b"], ["b", "c"]]
map = Psych::Omap[*list.flatten]
assert_equal list, map.to_a
assert_equal 'b', map['a']
assert_equal 'c', map['b']
end
def test_dump
map = Psych::Omap['a', 'b', 'c', 'd']
yaml = Psych.dump(map)
assert_match('!omap', yaml)
assert_match('- a: b', yaml)
assert_match('- c: d', yaml)
end
def test_round_trip
list = [["a", "b"], ["b", "c"]]
map = Psych::Omap[*list.flatten]
assert_cycle(map)
end
def test_load
list = [["a", "b"], ["c", "d"]]
map = Psych.load(<<-eoyml)
--- !omap
- a: b
- c: d
eoyml
assert_equal list, map.to_a
end
# NOTE: This test will not work with Syck
def test_load_shorthand
list = [["a", "b"], ["c", "d"]]
map = Psych.load(<<-eoyml)
--- !!omap
- a: b
- c: d
eoyml
assert_equal list, map.to_a
end
end
end
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