mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
387 lines
9.5 KiB
Ruby
387 lines
9.5 KiB
Ruby
# frozen_string_literal: true
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require_relative 'helper'
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require 'stringio'
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require 'tempfile'
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class TestPsych < Psych::TestCase
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def setup
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@orig_verbose, $VERBOSE = $VERBOSE, nil
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end
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def teardown
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Psych.domain_types.clear
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$VERBOSE = @orig_verbose
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end
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def test_line_width_invalid
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assert_raises(ArgumentError) { Psych.dump('x', { :line_width => -2 }) }
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end
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def test_line_width_no_limit
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data = { 'a' => 'a b' * 50}
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expected = "---\na: #{'a b' * 50}\n"
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assert_equal(expected, Psych.dump(data, { :line_width => -1 }))
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end
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def test_line_width_limit
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yml = Psych.dump('123456 7', { :line_width => 5 })
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assert_match(/^\s*7/, yml)
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end
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def test_indent
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yml = Psych.dump({:a => {'b' => 'c'}}, {:indentation => 5})
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assert_match(/^[ ]{5}b/, yml)
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end
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def test_canonical
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yml = Psych.dump({:a => {'b' => 'c'}}, {:canonical => true})
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assert_match(/\? "b/, yml)
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end
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def test_header
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yml = Psych.dump({:a => {'b' => 'c'}}, {:header => true})
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assert_match(/YAML/, yml)
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end
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def test_version_array
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yml = Psych.dump({:a => {'b' => 'c'}}, {:version => [1,1]})
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assert_match(/1.1/, yml)
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end
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def test_version_string
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yml = Psych.dump({:a => {'b' => 'c'}}, {:version => '1.1'})
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assert_match(/1.1/, yml)
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end
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def test_version_bool
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yml = Psych.dump({:a => {'b' => 'c'}}, {:version => true})
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assert_match(/1.1/, yml)
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end
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def test_load_argument_error
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assert_raises(TypeError) do
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Psych.load nil
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end
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end
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def test_parse
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assert_equal %w[a b], Psych.parse("- a\n- b").to_ruby
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end
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def test_parse_default_fallback
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assert_equal false, Psych.parse("")
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end
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def test_parse_raises_on_bad_input
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assert_raises(Psych::SyntaxError) { Psych.parse("--- `") }
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end
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def test_parse_with_fallback
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assert_equal 42, Psych.parse("", fallback: 42)
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end
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def test_non_existing_class_on_deserialize
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e = assert_raises(ArgumentError) do
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Psych.load("--- !ruby/object:NonExistent\nfoo: 1")
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end
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assert_equal 'undefined class/module NonExistent', e.message
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end
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def test_dump_stream
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things = [22, "foo \n", {}]
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stream = Psych.dump_stream(*things)
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assert_equal things, Psych.load_stream(stream)
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end
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def test_dump_file
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hash = {'hello' => 'TGIF!'}
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Tempfile.create('fun.yml') do |io|
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assert_equal io, Psych.dump(hash, io)
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io.rewind
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assert_equal Psych.dump(hash), io.read
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end
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end
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def test_dump_io
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hash = {'hello' => 'TGIF!'}
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stringio = StringIO.new ''.dup
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assert_equal stringio, Psych.dump(hash, stringio)
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assert_equal Psych.dump(hash), stringio.string
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end
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def test_simple
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assert_equal 'foo', Psych.load("--- foo\n")
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end
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def test_libyaml_version
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assert Psych.libyaml_version
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assert_equal Psych.libyaml_version.join('.'), Psych::LIBYAML_VERSION
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end
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def test_load_stream
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docs = Psych.load_stream("--- foo\n...\n--- bar\n...")
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assert_equal %w{ foo bar }, docs
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end
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def test_load_stream_freeze
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docs = Psych.load_stream("--- foo\n...\n--- bar\n...", freeze: true)
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assert_equal %w{ foo bar }, docs
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docs.each do |string|
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assert_predicate string, :frozen?
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end
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end
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def test_load_stream_symbolize_names
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docs = Psych.load_stream("---\nfoo: bar", symbolize_names: true)
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assert_equal [{foo: 'bar'}], docs
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end
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def test_load_stream_default_fallback
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assert_equal [], Psych.load_stream("")
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end
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def test_load_stream_raises_on_bad_input
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assert_raises(Psych::SyntaxError) { Psych.load_stream("--- `") }
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end
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def test_parse_stream
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docs = Psych.parse_stream("--- foo\n...\n--- bar\n...")
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assert_equal(%w[foo bar], docs.children.map(&:transform))
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end
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def test_parse_stream_with_block
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docs = []
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Psych.parse_stream("--- foo\n...\n--- bar\n...") do |node|
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docs << node
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end
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assert_equal %w[foo bar], docs.map(&:to_ruby)
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end
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def test_parse_stream_default_fallback
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docs = Psych.parse_stream("")
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assert_equal [], docs.children.map(&:to_ruby)
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end
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def test_parse_stream_with_block_default_fallback
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docs = []
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Psych.parse_stream("") do |node|
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docs << node
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end
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assert_equal [], docs.map(&:to_ruby)
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end
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def test_parse_stream_raises_on_bad_input
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assert_raises(Psych::SyntaxError) { Psych.parse_stream("--- `") }
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end
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def test_add_builtin_type
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got = nil
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Psych.add_builtin_type 'omap' do |type, val|
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got = val
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end
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Psych.load('--- !!omap hello')
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assert_equal 'hello', got
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ensure
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Psych.remove_type 'omap'
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end
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def test_domain_types
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got = nil
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Psych.add_domain_type 'foo.bar/2002', 'foo' do |type, val|
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got = val
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end
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Psych.load('--- !foo.bar/2002:foo hello')
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assert_equal 'hello', got
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Psych.load("--- !foo.bar/2002:foo\n- hello\n- world")
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assert_equal %w{ hello world }, got
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Psych.load("--- !foo.bar/2002:foo\nhello: world")
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assert_equal({ 'hello' => 'world' }, got)
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end
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def test_load_freeze
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data = Psych.load("--- {foo: ['a']}", freeze: true)
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assert_predicate data, :frozen?
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assert_predicate data['foo'], :frozen?
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assert_predicate data['foo'].first, :frozen?
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end
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def test_load_freeze_deduplication
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unless String.method_defined?(:-@) && (-("a" * 20)).equal?((-("a" * 20)))
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skip "This Ruby implementation doesn't support string deduplication"
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end
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data = Psych.load("--- ['a']", freeze: true)
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assert_same 'a', data.first
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end
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def test_load_default_fallback
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assert_equal false, Psych.load("")
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end
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def test_load_with_fallback
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assert_equal 42, Psych.load("", "file", fallback: 42)
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end
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def test_load_with_fallback_nil_or_false
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assert_nil Psych.load("", "file", fallback: nil)
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assert_equal false, Psych.load("", "file", fallback: false)
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end
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def test_load_with_fallback_hash
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assert_equal Hash.new, Psych.load("", "file", fallback: Hash.new)
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end
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def test_load_with_fallback_for_nil
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assert_nil Psych.load("--- null", "file", fallback: 42)
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end
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def test_load_with_fallback_for_false
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assert_equal false, Psych.load("--- false", "file", fallback: 42)
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end
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def test_load_file
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Tempfile.create(['yikes', 'yml']) {|t|
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t.binmode
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t.write('--- hello world')
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t.close
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assert_equal 'hello world', Psych.load_file(t.path)
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}
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end
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def test_load_file_freeze
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Tempfile.create(['yikes', 'yml']) {|t|
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t.binmode
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t.write('--- hello world')
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t.close
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object = Psych.load_file(t.path, freeze: true)
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assert_predicate object, :frozen?
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}
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end
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def test_load_file_symbolize_names
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Tempfile.create(['yikes', 'yml']) {|t|
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t.binmode
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t.write("---\nfoo: bar")
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t.close
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assert_equal({foo: 'bar'}, Psych.load_file(t.path, symbolize_names: true))
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}
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end
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def test_load_file_default_fallback
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Tempfile.create(['empty', 'yml']) {|t|
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assert_equal false, Psych.load_file(t.path)
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}
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end
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def test_load_file_with_fallback
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Tempfile.create(['empty', 'yml']) {|t|
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assert_equal 42, Psych.load_file(t.path, fallback: 42)
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}
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end
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def test_load_file_with_fallback_nil_or_false
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Tempfile.create(['empty', 'yml']) {|t|
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assert_nil Psych.load_file(t.path, fallback: nil)
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assert_equal false, Psych.load_file(t.path, fallback: false)
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}
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end
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def test_load_file_with_fallback_hash
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Tempfile.create(['empty', 'yml']) {|t|
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assert_equal Hash.new, Psych.load_file(t.path, fallback: Hash.new)
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}
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end
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def test_load_file_with_fallback_for_nil
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Tempfile.create(['nil', 'yml']) {|t|
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t.binmode
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t.write('--- null')
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t.close
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assert_nil Psych.load_file(t.path, fallback: 42)
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}
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end
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def test_load_file_with_fallback_for_false
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Tempfile.create(['false', 'yml']) {|t|
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t.binmode
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t.write('--- false')
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t.close
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assert_equal false, Psych.load_file(t.path, fallback: 42)
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}
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end
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def test_safe_load_file_with_permitted_classe
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Tempfile.create(['false', 'yml']) {|t|
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t.binmode
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t.write("--- !ruby/range\nbegin: 0\nend: 42\nexcl: false\n")
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t.close
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assert_equal 0..42, Psych.safe_load_file(t.path, permitted_classes: [Range])
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assert_raises(Psych::DisallowedClass) {
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Psych.safe_load_file(t.path)
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}
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}
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end
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def test_parse_file
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Tempfile.create(['yikes', 'yml']) {|t|
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t.binmode
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t.write('--- hello world')
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t.close
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assert_equal 'hello world', Psych.parse_file(t.path).transform
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}
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end
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def test_parse_file_default_fallback
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Tempfile.create(['empty', 'yml']) do |t|
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assert_equal false, Psych.parse_file(t.path)
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end
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end
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def test_degenerate_strings
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assert_equal false, Psych.load(' ')
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assert_equal false, Psych.parse(' ')
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assert_equal false, Psych.load('')
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assert_equal false, Psych.parse('')
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end
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def test_callbacks
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types = []
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appender = lambda { |*args| types << args }
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Psych.add_domain_type('example.com:2002', 'foo', &appender)
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Psych.load <<-eoyml
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- !tag:example.com:2002:foo bar
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eoyml
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assert_equal [
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["tag:example.com:2002:foo", "bar"]
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], types
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end
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def test_symbolize_names
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yaml = <<-eoyml
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foo:
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bar: baz
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hoge:
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- fuga: piyo
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eoyml
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result = Psych.load(yaml)
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assert_equal result, { "foo" => { "bar" => "baz"}, "hoge" => [{ "fuga" => "piyo" }] }
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result = Psych.load(yaml, symbolize_names: true)
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assert_equal result, { foo: { bar: "baz" }, hoge: [{ fuga: "piyo" }] }
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result = Psych.safe_load(yaml, symbolize_names: true)
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assert_equal result, { foo: { bar: "baz" }, hoge: [{ fuga: "piyo" }] }
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end
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end
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