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|
require 'psych/helper'
module Psych
module Visitors
class TestYAMLTree < TestCase
def setup
super
@v = Visitors::YAMLTree.create
end
def test_tree_can_be_called_twice
@v.start
@v << Object.new
t = @v.tree
assert_equal t, @v.tree
end
def test_yaml_tree_can_take_an_emitter
io = StringIO.new
e = Psych::Emitter.new io
v = Visitors::YAMLTree.create({}, e)
v.start
v << "hello world"
v.finish
assert_match "hello world", io.string
end
def test_binary_formatting
gif = "GIF89a\f\x00\f\x00\x84\x00\x00\xFF\xFF\xF7\xF5\xF5\xEE\xE9\xE9\xE5fff\x00\x00\x00\xE7\xE7\xE7^^^\xF3\xF3\xED\x8E\x8E\x8E\xE0\xE0\xE0\x9F\x9F\x9F\x93\x93\x93\xA7\xA7\xA7\x9E\x9E\x9Eiiiccc\xA3\xA3\xA3\x84\x84\x84\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9\xFF\xFE\xF9!\xFE\x0EMade with GIMP\x00,\x00\x00\x00\x00\f\x00\f\x00\x00\x05, \x8E\x810\x9E\xE3@\x14\xE8i\x10\xC4\xD1\x8A\b\x1C\xCF\x80M$z\xEF\xFF0\x85p\xB8\xB01f\r\e\xCE\x01\xC3\x01\x1E\x10' \x82\n\x01\x00;"
@v << gif
scalar = @v.tree.children.first.children.first
assert_equal Psych::Nodes::Scalar::LITERAL, scalar.style
end
def test_object_has_no_class
yaml = Psych.dump(Object.new)
assert(Psych.dump(Object.new) !~ /Object/, yaml)
end
def test_struct_const
foo = Struct.new("Foo", :bar)
assert_cycle foo.new('bar')
Struct.instance_eval { remove_const(:Foo) }
end
A = Struct.new(:foo)
def test_struct
assert_cycle A.new('bar')
end
def test_struct_anon
s = Struct.new(:foo).new('bar')
obj = Psych.load(Psych.dump(s))
assert_equal s.foo, obj.foo
end
def test_override_method
s = Struct.new(:method).new('override')
obj = Psych.load(Psych.dump(s))
assert_equal s.method, obj.method
end
def test_exception
ex = Exception.new 'foo'
loaded = Psych.load(Psych.dump(ex))
assert_equal ex.message, loaded.message
assert_equal ex.class, loaded.class
end
def test_regexp
assert_cycle(/foo/)
assert_cycle(/foo/i)
assert_cycle(/foo/mx)
end
def test_time
t = Time.now
assert_equal t, Psych.load(Psych.dump(t))
end
def test_date
date = Date.strptime('2002-12-14', '%Y-%m-%d')
assert_cycle date
end
def test_rational
assert_cycle Rational(1,2)
end
def test_complex
assert_cycle Complex(1,2)
end
def test_scalar
assert_cycle 'foo'
assert_cycle ':foo'
assert_cycle ''
assert_cycle ':'
end
def test_boolean
assert_cycle true
assert_cycle 'true'
assert_cycle false
assert_cycle 'false'
end
def test_range_inclusive
assert_cycle 1..2
end
def test_range_exclusive
assert_cycle 1...2
end
def test_anon_class
assert_raises(TypeError) do
@v.accept Class.new
end
assert_raises(TypeError) do
Psych.dump(Class.new)
end
end
def test_hash
assert_cycle('a' => 'b')
end
def test_list
assert_cycle(%w{ a b })
assert_cycle([1, 2.2])
end
def test_symbol
assert_cycle :foo
end
def test_int
assert_cycle 1
assert_cycle(-1)
assert_cycle '1'
assert_cycle '-1'
end
def test_float
assert_cycle 1.2
assert_cycle '1.2'
assert Psych.load(Psych.dump(0.0 / 0.0)).nan?
assert_equal 1, Psych.load(Psych.dump(1 / 0.0)).infinite?
assert_equal(-1, Psych.load(Psych.dump(-1 / 0.0)).infinite?)
end
# http://yaml.org/type/null.html
def test_nil
assert_cycle nil
assert_equal nil, Psych.load('null')
assert_equal nil, Psych.load('Null')
assert_equal nil, Psych.load('NULL')
assert_equal nil, Psych.load('~')
assert_equal({'foo' => nil}, Psych.load('foo: '))
assert_cycle 'null'
assert_cycle 'nUll'
assert_cycle '~'
end
end
end
end
|
