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require_relative 'helper'
require 'stringio'
require 'tempfile'
class TestPsych < Psych::TestCase
def test_load_argument_error
assert_raises(TypeError) do
Psych.load nil
end
end
def test_dump_stream
things = [22, "foo \n", {}]
stream = Psych.dump_stream(*things)
assert_equal things, Psych.load_stream(stream)
end
def test_dump_file
hash = {'hello' => 'TGIF!'}
Tempfile.open('fun.yml') do |io|
assert_equal io, Psych.dump(hash, io)
io.rewind
assert_equal Psych.dump(hash), io.read
end
end
def test_dump_io
hash = {'hello' => 'TGIF!'}
stringio = StringIO.new ''
assert_equal stringio, Psych.dump(hash, stringio)
assert_equal Psych.dump(hash), stringio.string
end
def test_simple
assert_equal 'foo', Psych.load("--- foo\n")
end
def test_libyaml_version
assert Psych.libyaml_version
assert_equal Psych.libyaml_version.join('.'), Psych::LIBYAML_VERSION
end
def test_load_documents
docs = Psych.load_documents("--- foo\n...\n--- bar\n...")
assert_equal %w{ foo bar }, docs
end
def test_parse_stream
docs = Psych.parse_stream("--- foo\n...\n--- bar\n...")
assert_equal %w{ foo bar }, docs.children.map { |x| x.transform }
end
def test_add_builtin_type
got = nil
Psych.add_builtin_type 'omap', do |type, val|
got = val
end
Psych.load('--- !omap hello')
assert_equal 'hello', got
ensure
Psych.remove_type 'omap'
end
def test_domain_types
got = nil
Psych.add_domain_type 'foo.bar,2002', 'foo' do |type, val|
got = val
end
Psych.load('--- !foo.bar,2002/foo hello')
assert_equal 'hello', got
Psych.load("--- !foo.bar,2002/foo\n- hello\n- world")
assert_equal %w{ hello world }, got
Psych.load("--- !foo.bar,2002/foo\nhello: world")
assert_equal({ 'hello' => 'world' }, got)
end
def test_load_file
name = File.join(Dir.tmpdir, 'yikes.yml')
File.open(name, 'wb') { |f| f.write('--- hello world') }
assert_equal 'hello world', Psych.load_file(name)
end
def test_parse_file
name = File.join(Dir.tmpdir, 'yikes.yml')
File.open(name, 'wb') { |f| f.write('--- hello world') }
assert_equal 'hello world', Psych.parse_file(name).transform
end
def test_degenerate_strings
assert_equal false, Psych.load(' ')
assert_equal false, Psych.parse(' ')
assert_equal false, Psych.load('')
assert_equal false, Psych.parse('')
end
end
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