require 'test/unit'
require File.join(File.dirname(__FILE__), 'setup_variant')
require 'stringio'
require 'tempfile'
require 'ostruct'
unless Array.method_defined?(:permutation)
begin
require 'enumerator'
require 'permutation'
class Array
def permutation
Permutation.for(self).to_enum.map { |x| x.project }
end
end
rescue LoadError
warn "Skipping permutation tests."
end
end
class TestJSON < Test::Unit::TestCase
include JSON
def setup
@ary = [1, "foo", 3.14, 4711.0, 2.718, nil, [1,-2,3], false, true].map do
|x| [x]
end
@ary_to_parse = ["1", '"foo"', "3.14", "4711.0", "2.718", "null",
"[1,-2,3]", "false", "true"].map do
|x| "[#{x}]"
end
@hash = {
'a' => 2,
'b' => 3.141,
'c' => 'c',
'd' => [ 1, "b", 3.14 ],
'e' => { 'foo' => 'bar' },
'g' => "\"\0\037",
'h' => 1000.0,
'i' => 0.001
}
@json = '{"a":2,"b":3.141,"c":"c","d":[1,"b",3.14],"e":{"foo":"bar"},'\
'"g":"\\"\\u0000\\u001f","h":1.0E3,"i":1.0E-3}'
end
def test_construction
parser = JSON::Parser.new('test')
assert_equal 'test', parser.source
end
def assert_equal_float(expected, is)
assert_in_delta(expected.first, is.first, 1e-2)
end
def test_parse_simple_arrays
assert_equal([], parse('[]'))
assert_equal([], parse(' [ ] '))
assert_equal([nil], parse('[null]'))
assert_equal([false], parse('[false]'))
assert_equal([true], parse('[true]'))
assert_equal([-23], parse('[-23]'))
assert_equal([23], parse('[23]'))
assert_equal([0.23], parse('[0.23]'))
assert_equal([0.0], parse('[0e0]'))
assert_raises(JSON::ParserError) { parse('[+23.2]') }
assert_raises(JSON::ParserError) { parse('[+23]') }
assert_raises(JSON::ParserError) { parse('[.23]') }
assert_raises(JSON::ParserError) { parse('[023]') }
assert_equal_float [3.141], parse('[3.141]')
assert_equal_float [-3.141], parse('[-3.141]')
assert_equal_float [3.141], parse('[3141e-3]')
assert_equal_float [3.141], parse('[3141.1e-3]')
assert_equal_float [3.141], parse('[3141E-3]')
assert_equal_float [3.141], parse('[3141.0E-3]')
assert_equal_float [-3.141], parse('[-3141.0e-3]')
assert_equal_float [-3.141], parse('[-3141e-3]')
assert_raises(ParserError) { parse('[NaN]') }
assert parse('[NaN]', :allow_nan => true).first.nan?
assert_raises(ParserError) { parse('[Infinity]') }
assert_equal [1.0/0], parse('[Infinity]', :allow_nan => true)
assert_raises(ParserError) { parse('[-Infinity]') }
assert_equal [-1.0/0], parse('[-Infinity]', :allow_nan => true)
assert_equal([""], parse('[""]'))
assert_equal(["foobar"], parse('["foobar"]'))
assert_equal([{}], parse('[{}]'))
end
def test_parse_simple_objects
assert_equal({}, parse('{}'))
assert_equal({}, parse(' { } '))
assert_equal({ "a" => nil }, parse('{ "a" : null}'))
assert_equal({ "a" => nil }, parse('{"a":null}'))
assert_equal({ "a" => false }, parse('{ "a" : false } '))
assert_equal({ "a" => false }, parse('{"a":false}'))
assert_raises(JSON::ParserError) { parse('{false}') }
assert_equal({ "a" => true }, parse('{"a":true}'))
assert_equal({ "a" => true }, parse(' { "a" : true } '))
assert_equal({ "a" => -23 }, parse(' { "a" : -23 } '))
assert_equal({ "a" => -23 }, parse(' { "a" : -23 } '))
assert_equal({ "a" => 23 }, parse('{"a":23 } '))
assert_equal({ "a" => 23 }, parse(' { "a" : 23 } '))
assert_equal({ "a" => 0.23 }, parse(' { "a" : 0.23 } '))
assert_equal({ "a" => 0.23 }, parse(' { "a" : 0.23 } '))
end
def test_parse_json_primitive_values
assert_raise(JSON::ParserError) { JSON.parse('') }
assert_raise(JSON::ParserError) { JSON.parse('', :quirks_mode => true) }
assert_raise(TypeError) { JSON::Parser.new(nil).parse }
assert_raise(TypeError) { JSON::Parser.new(nil, :quirks_mode => true).parse }
assert_raise(TypeError) { JSON.parse(nil) }
assert_raise(TypeError) { JSON.parse(nil, :quirks_mode => true) }
assert_raise(JSON::ParserError) { JSON.parse(' /* foo */ ') }
assert_raise(JSON::ParserError) { JSON.parse(' /* foo */ ', :quirks_mode => true) }
parser = JSON::Parser.new('null')
assert_equal false, parser.quirks_mode?
assert_raise(JSON::ParserError) { parser.parse }
assert_raise(JSON::ParserError) { JSON.parse('null') }
assert_equal nil, JSON.parse('null', :quirks_mode => true)
parser = JSON::Parser.new('null', :quirks_mode => true)
assert_equal true, parser.quirks_mode?
assert_equal nil, parser.parse
assert_raise(JSON::ParserError) { JSON.parse('false') }
assert_equal false, JSON.parse('false', :quirks_mode => true)
assert_raise(JSON::ParserError) { JSON.parse('true') }
assert_equal true, JSON.parse('true', :quirks_mode => true)
assert_raise(JSON::ParserError) { JSON.parse('23') }
assert_equal 23, JSON.parse('23', :quirks_mode => true)
assert_raise(JSON::ParserError) { JSON.parse('1') }
assert_equal 1, JSON.parse('1', :quirks_mode => true)
assert_raise(JSON::ParserError) { JSON.parse('3.141') }
assert_in_delta 3.141, JSON.parse('3.141', :quirks_mode => true), 1E-3
assert_raise(JSON::ParserError) { JSON.parse('18446744073709551616') }
assert_equal 2 ** 64, JSON.parse('18446744073709551616', :quirks_mode => true)
assert_raise(JSON::ParserError) { JSON.parse('"foo"') }
assert_equal 'foo', JSON.parse('"foo"', :quirks_mode => true)
assert_raise(JSON::ParserError) { JSON.parse('NaN', :allow_nan => true) }
assert JSON.parse('NaN', :quirks_mode => true, :allow_nan => true).nan?
assert_raise(JSON::ParserError) { JSON.parse('Infinity', :allow_nan => true) }
assert JSON.parse('Infinity', :quirks_mode => true, :allow_nan => true).infinite?
assert_raise(JSON::ParserError) { JSON.parse('-Infinity', :allow_nan => true) }
assert JSON.parse('-Infinity', :quirks_mode => true, :allow_nan => true).infinite?
assert_raise(JSON::ParserError) { JSON.parse('[ 1, ]', :quirks_mode => true) }
end
if Array.method_defined?(:permutation)
def test_parse_more_complex_arrays
a = [ nil, false, true, "foßbar", [ "n€st€d", true ], { "nested" => true, "n€ßt€ð2" => {} }]
a.permutation.each do |perm|
json = pretty_generate(perm)
assert_equal perm, parse(json)
end
end
def test_parse_complex_objects
a = [ nil, false, true, "foßbar", [ "n€st€d", true ], { "nested" => true, "n€ßt€ð2" => {} }]
a.permutation.each do |perm|
s = "a"
orig_obj = perm.inject({}) { |h, x| h[s.dup] = x; s = s.succ; h }
json = pretty_generate(orig_obj)
assert_equal orig_obj, parse(json)
end
end
end
def test_parse_arrays
assert_equal([1,2,3], parse('[1,2,3]'))
assert_equal([1.2,2,3], parse('[1.2,2,3]'))
assert_equal([[],[[],[]]], parse('[[],[[],[]]]'))
end
def test_parse_values
assert_equal([""], parse('[""]'))
assert_equal(["\\"], parse('["\\\\"]'))
assert_equal(['"'], parse('["\""]'))
assert_equal(['\\"\\'], parse('["\\\\\\"\\\\"]'))
assert_equal(["\"\b\n\r\t\0\037"],
parse('["\"\b\n\r\t\u0000\u001f"]'))
for i in 0 ... @ary.size
assert_equal(@ary[i], parse(@ary_to_parse[i]))
end
end
def test_parse_array
assert_equal([], parse('[]'))
assert_equal([], parse(' [ ] '))
assert_equal([1], parse('[1]'))
assert_equal([1], parse(' [ 1 ] '))
assert_equal(@ary,
parse('[[1],["foo"],[3.14],[47.11e+2],[2718.0E-3],[null],[[1,-2,3]]'\
',[false],[true]]'))
assert_equal(@ary, parse(%Q{ [ [1] , ["foo"] , [3.14] \t , [47.11e+2]\s
, [2718.0E-3 ],\r[ null] , [[1, -2, 3 ]], [false ],[ true]\n ] }))
end
class SubArray < Array
def <<(v)
@shifted = true
super
end
def shifted?
@shifted
end
end
class SubArray2 < Array
def to_json(*a)
{
JSON.create_id => self.class.name,
'ary' => to_a,
}.to_json(*a)
end
def self.json_create(o)
o.delete JSON.create_id
o['ary']
end
end
class SubArrayWrapper
def initialize
@data = []
end
attr_reader :data
def [](index)
@data[index]
end
def <<(value)
@data << value
@shifted = true
end
def shifted?
@shifted
end
end
def test_parse_array_custom_array_derived_class
res = parse('[1,2]', :array_class => SubArray)
assert_equal([1,2], res)
assert_equal(SubArray, res.class)
assert res.shifted?
end
def test_parse_array_custom_non_array_derived_class
res = parse('[1,2]', :array_class => SubArrayWrapper)
assert_equal([1,2], res.data)
assert_equal(SubArrayWrapper, res.class)
assert res.shifted?
end
def test_parse_object
assert_equal({}, parse('{}'))
assert_equal({}, parse(' { } '))
assert_equal({'foo'=>'bar'}, parse('{"foo":"bar"}'))
assert_equal({'foo'=>'bar'}, parse(' { "foo" : "bar" } '))
end
class SubHash < Hash
def []=(k, v)
@item_set = true
super
end
def item_set?
@item_set
end
end
class SubHash2 < Hash
def to_json(*a)
{
JSON.create_id => self.class.name,
}.merge(self).to_json(*a)
end
def self.json_create(o)
o.delete JSON.create_id
self[o]
end
end
class SubOpenStruct < OpenStruct
def [](k)
__send__(k)
end
def []=(k, v)
@item_set = true
__send__("#{k}=", v)
end
def item_set?
@item_set
end
end
def test_parse_object_custom_hash_derived_class
res = parse('{"foo":"bar"}', :object_class => SubHash)
assert_equal({"foo" => "bar"}, res)
assert_equal(SubHash, res.class)
assert res.item_set?
end
def test_parse_object_custom_non_hash_derived_class
res = parse('{"foo":"bar"}', :object_class => SubOpenStruct)
assert_equal "bar", res.foo
assert_equal(SubOpenStruct, res.class)
assert res.item_set?
end
def test_parse_generic_object
res = parse('{"foo":"bar", "baz":{}}', :object_class => JSON::GenericObject)
assert_equal(JSON::GenericObject, res.class)
assert_equal "bar", res.foo
assert_equal "bar", res["foo"]
assert_equal "bar", res[:foo]
assert_equal "bar", res.to_hash[:foo]
assert_equal(JSON::GenericObject, res.baz.class)
end
def test_generate_core_subclasses_with_new_to_json
obj = SubHash2["foo" => SubHash2["bar" => true]]
obj_json = JSON(obj)
obj_again = JSON.parse(obj_json, :create_additions => true)
assert_kind_of SubHash2, obj_again
assert_kind_of SubHash2, obj_again['foo']
assert obj_again['foo']['bar']
assert_equal obj, obj_again
assert_equal ["foo"], JSON(JSON(SubArray2["foo"]), :create_additions => true)
end
def test_generate_core_subclasses_with_default_to_json
assert_equal '{"foo":"bar"}', JSON(SubHash["foo" => "bar"])
assert_equal '["foo"]', JSON(SubArray["foo"])
end
def test_generate_of_core_subclasses
obj = SubHash["foo" => SubHash["bar" => true]]
obj_json = JSON(obj)
obj_again = JSON(obj_json)
assert_kind_of Hash, obj_again
assert_kind_of Hash, obj_again['foo']
assert obj_again['foo']['bar']
assert_equal obj, obj_again
end
def test_parser_reset
parser = Parser.new(@json)
assert_equal(@hash, parser.parse)
assert_equal(@hash, parser.parse)
end
def test_comments
json = <<EOT
{
"key1":"value1", // eol comment
"key2":"value2" /* multi line
* comment */,
"key3":"value3" /* multi line
// nested eol comment
* comment */
}
EOT
assert_equal(
{ "key1" => "value1", "key2" => "value2", "key3" => "value3" },
parse(json))
json = <<EOT
{
"key1":"value1" /* multi line
// nested eol comment
/* illegal nested multi line comment */
* comment */
}
EOT
assert_raises(ParserError) { parse(json) }
json = <<EOT
{
"key1":"value1" /* multi line
// nested eol comment
closed multi comment */
and again, throw an Error */
}
EOT
assert_raises(ParserError) { parse(json) }
json = <<EOT
{
"key1":"value1" /*/*/
}
EOT
assert_equal({ "key1" => "value1" }, parse(json))
end
def test_backslash
data = [ '\\.(?i:gif|jpe?g|png)$' ]
json = '["\\\\.(?i:gif|jpe?g|png)$"]'
assert_equal json, JSON.generate(data)
assert_equal data, JSON.parse(json)
data = [ '\\"' ]
json = '["\\\\\""]'
assert_equal json, JSON.generate(data)
assert_equal data, JSON.parse(json)
json = '["/"]'
data = JSON.parse(json)
assert_equal ['/'], data
assert_equal json, JSON.generate(data)
json = '["\""]'
data = JSON.parse(json)
assert_equal ['"'], data
assert_equal json, JSON.generate(data)
json = '["\\\'"]'
data = JSON.parse(json)
assert_equal ["'"], data
assert_equal '["\'"]', JSON.generate(data)
end
def test_wrong_inputs
assert_raises(ParserError) { JSON.parse('"foo"') }
assert_raises(ParserError) { JSON.parse('123') }
assert_raises(ParserError) { JSON.parse('[] bla') }
assert_raises(ParserError) { JSON.parse('[] 1') }
assert_raises(ParserError) { JSON.parse('[] []') }
assert_raises(ParserError) { JSON.parse('[] {}') }
assert_raises(ParserError) { JSON.parse('{} []') }
assert_raises(ParserError) { JSON.parse('{} {}') }
assert_raises(ParserError) { JSON.parse('[NULL]') }
assert_raises(ParserError) { JSON.parse('[FALSE]') }
assert_raises(ParserError) { JSON.parse('[TRUE]') }
assert_raises(ParserError) { JSON.parse('[07] ') }
assert_raises(ParserError) { JSON.parse('[0a]') }
assert_raises(ParserError) { JSON.parse('[1.]') }
assert_raises(ParserError) { JSON.parse(' ') }
end
def test_nesting
assert_raises(JSON::NestingError) { JSON.parse '[[]]', :max_nesting => 1 }
assert_raises(JSON::NestingError) { JSON.parser.new('[[]]', :max_nesting => 1).parse }
assert_equal [[]], JSON.parse('[[]]', :max_nesting => 2)
too_deep = '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'
too_deep_ary = eval too_deep
assert_raises(JSON::NestingError) { JSON.parse too_deep }
assert_raises(JSON::NestingError) { JSON.parser.new(too_deep).parse }
assert_raises(JSON::NestingError) { JSON.parse too_deep, :max_nesting => 100 }
ok = JSON.parse too_deep, :max_nesting => 101
assert_equal too_deep_ary, ok
ok = JSON.parse too_deep, :max_nesting => nil
assert_equal too_deep_ary, ok
ok = JSON.parse too_deep, :max_nesting => false
assert_equal too_deep_ary, ok
ok = JSON.parse too_deep, :max_nesting => 0
assert_equal too_deep_ary, ok
assert_raises(JSON::NestingError) { JSON.generate [[]], :max_nesting => 1 }
assert_equal '[[]]', JSON.generate([[]], :max_nesting => 2)
assert_raises(JSON::NestingError) { JSON.generate too_deep_ary }
assert_raises(JSON::NestingError) { JSON.generate too_deep_ary, :max_nesting => 100 }
ok = JSON.generate too_deep_ary, :max_nesting => 101
assert_equal too_deep, ok
ok = JSON.generate too_deep_ary, :max_nesting => nil
assert_equal too_deep, ok
ok = JSON.generate too_deep_ary, :max_nesting => false
assert_equal too_deep, ok
ok = JSON.generate too_deep_ary, :max_nesting => 0
assert_equal too_deep, ok
end
def test_symbolize_names
assert_equal({ "foo" => "bar", "baz" => "quux" },
JSON.parse('{"foo":"bar", "baz":"quux"}'))
assert_equal({ :foo => "bar", :baz => "quux" },
JSON.parse('{"foo":"bar", "baz":"quux"}', :symbolize_names => true))
end
def test_load
assert_equal @hash, JSON.load(@json)
tempfile = Tempfile.open('json')
tempfile.write @json
tempfile.rewind
assert_equal @hash, JSON.load(tempfile)
stringio = StringIO.new(@json)
stringio.rewind
assert_equal @hash, JSON.load(stringio)
assert_equal nil, JSON.load(nil)
assert_equal nil, JSON.load('')
end
def test_load_with_options
small_hash = JSON("foo" => 'bar')
symbol_hash = { :foo => 'bar' }
assert_equal symbol_hash, JSON.load(small_hash, nil, :symbolize_names => true)
end
def test_dump
too_deep = '[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]'
assert_equal too_deep, JSON.dump(eval(too_deep))
assert_kind_of String, Marshal.dump(eval(too_deep))
assert_raises(ArgumentError) { JSON.dump(eval(too_deep), 100) }
assert_raises(ArgumentError) { Marshal.dump(eval(too_deep), 100) }
assert_equal too_deep, JSON.dump(eval(too_deep), 101)
assert_kind_of String, Marshal.dump(eval(too_deep), 101)
output = StringIO.new
JSON.dump(eval(too_deep), output)
assert_equal too_deep, output.string
output = StringIO.new
JSON.dump(eval(too_deep), output, 101)
assert_equal too_deep, output.string
end
def test_big_integers
json1 = JSON([orig = (1 << 31) - 1])
assert_equal orig, JSON[json1][0]
json2 = JSON([orig = 1 << 31])
assert_equal orig, JSON[json2][0]
json3 = JSON([orig = (1 << 62) - 1])
assert_equal orig, JSON[json3][0]
json4 = JSON([orig = 1 << 62])
assert_equal orig, JSON[json4][0]
json5 = JSON([orig = 1 << 64])
assert_equal orig, JSON[json5][0]
end
if defined?(JSON::Ext::Parser)
def test_allocate
parser = JSON::Ext::Parser.new("{}")
assert_raise(TypeError, '[ruby-core:35079]') {parser.__send__(:initialize, "{}")}
parser = JSON::Ext::Parser.allocate
assert_raise(TypeError, '[ruby-core:35079]') {parser.source}
end
end
def test_argument_encoding
source = "{}".force_encoding("ascii-8bit")
JSON::Parser.new(source)
assert_equal Encoding::ASCII_8BIT, source.encoding
end if defined?(Encoding::ASCII_8BIT)
end