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ruby--ruby/test/psych/visitors/test_depth_first.rb
hsbt 0b396d5880 Merge psych-3.0.0.beta3 from ruby/psych.
* Rely on encoding tags to determine if string should be dumped as binary.
    8949a47b8c
  * Specify "frozen_string_literal: true".
  * Support to binary release for mingw32 platform.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59327 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-07-14 06:15:58 +00:00

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Ruby

# frozen_string_literal: true
require 'psych/helper'
module Psych
module Visitors
class TestDepthFirst < TestCase
class Collector < Struct.new(:calls)
def initialize(calls = [])
super
end
def call obj
calls << obj
end
end
def test_scalar
collector = Collector.new
visitor = Visitors::DepthFirst.new collector
visitor.accept Psych.parse_stream '--- hello'
assert_equal 3, collector.calls.length
end
def test_sequence
collector = Collector.new
visitor = Visitors::DepthFirst.new collector
visitor.accept Psych.parse_stream "---\n- hello"
assert_equal 4, collector.calls.length
end
def test_mapping
collector = Collector.new
visitor = Visitors::DepthFirst.new collector
visitor.accept Psych.parse_stream "---\nhello: world"
assert_equal 5, collector.calls.length
end
def test_alias
collector = Collector.new
visitor = Visitors::DepthFirst.new collector
visitor.accept Psych.parse_stream "--- &yay\n- foo\n- *yay\n"
assert_equal 5, collector.calls.length
end
end
end
end