546 lines
18 KiB
Ruby
546 lines
18 KiB
Ruby
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#!/usr/bin/env ruby
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# encoding: utf-8
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require 'test/unit'
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require File.join(File.dirname(__FILE__), 'setup_variant')
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require 'stringio'
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require 'tempfile'
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require 'ostruct'
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unless Array.method_defined?(:permutation)
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begin
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require 'enumerator'
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require 'permutation'
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class Array
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def permutation
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Permutation.for(self).to_enum.map { |x| x.project }
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end
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end
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rescue LoadError
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warn "Skipping permutation tests."
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end
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end
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class TestJSON < Test::Unit::TestCase
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include JSON
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def setup
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@ary = [1, "foo", 3.14, 4711.0, 2.718, nil, [1,-2,3], false, true].map do
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|x| [x]
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end
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@ary_to_parse = ["1", '"foo"', "3.14", "4711.0", "2.718", "null",
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"[1,-2,3]", "false", "true"].map do
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|x| "[#{x}]"
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end
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@hash = {
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'a' => 2,
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'b' => 3.141,
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'c' => 'c',
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'd' => [ 1, "b", 3.14 ],
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'e' => { 'foo' => 'bar' },
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'g' => "\"\0\037",
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'h' => 1000.0,
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'i' => 0.001
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}
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@json = '{"a":2,"b":3.141,"c":"c","d":[1,"b",3.14],"e":{"foo":"bar"},'\
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'"g":"\\"\\u0000\\u001f","h":1.0E3,"i":1.0E-3}'
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end
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def test_construction
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parser = JSON::Parser.new('test')
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assert_equal 'test', parser.source
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end
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def assert_equal_float(expected, is)
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assert_in_delta(expected.first, is.first, 1e-2)
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end
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def test_parse_simple_arrays
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assert_equal([], parse('[]'))
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assert_equal([], parse(' [ ] '))
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assert_equal([nil], parse('[null]'))
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assert_equal([false], parse('[false]'))
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assert_equal([true], parse('[true]'))
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assert_equal([-23], parse('[-23]'))
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assert_equal([23], parse('[23]'))
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assert_equal([0.23], parse('[0.23]'))
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assert_equal([0.0], parse('[0e0]'))
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assert_raises(JSON::ParserError) { parse('[+23.2]') }
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assert_raises(JSON::ParserError) { parse('[+23]') }
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assert_raises(JSON::ParserError) { parse('[.23]') }
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assert_raises(JSON::ParserError) { parse('[023]') }
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assert_equal_float [3.141], parse('[3.141]')
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assert_equal_float [-3.141], parse('[-3.141]')
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assert_equal_float [3.141], parse('[3141e-3]')
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assert_equal_float [3.141], parse('[3141.1e-3]')
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assert_equal_float [3.141], parse('[3141E-3]')
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assert_equal_float [3.141], parse('[3141.0E-3]')
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assert_equal_float [-3.141], parse('[-3141.0e-3]')
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assert_equal_float [-3.141], parse('[-3141e-3]')
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assert_raises(ParserError) { parse('[NaN]') }
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assert parse('[NaN]', :allow_nan => true).first.nan?
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assert_raises(ParserError) { parse('[Infinity]') }
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assert_equal [1.0/0], parse('[Infinity]', :allow_nan => true)
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assert_raises(ParserError) { parse('[-Infinity]') }
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assert_equal [-1.0/0], parse('[-Infinity]', :allow_nan => true)
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assert_equal([""], parse('[""]'))
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assert_equal(["foobar"], parse('["foobar"]'))
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assert_equal([{}], parse('[{}]'))
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end
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def test_parse_simple_objects
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assert_equal({}, parse('{}'))
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assert_equal({}, parse(' { } '))
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assert_equal({ "a" => nil }, parse('{ "a" : null}'))
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assert_equal({ "a" => nil }, parse('{"a":null}'))
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assert_equal({ "a" => false }, parse('{ "a" : false } '))
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assert_equal({ "a" => false }, parse('{"a":false}'))
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assert_raises(JSON::ParserError) { parse('{false}') }
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assert_equal({ "a" => true }, parse('{"a":true}'))
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assert_equal({ "a" => true }, parse(' { "a" : true } '))
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assert_equal({ "a" => -23 }, parse(' { "a" : -23 } '))
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assert_equal({ "a" => -23 }, parse(' { "a" : -23 } '))
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assert_equal({ "a" => 23 }, parse('{"a":23 } '))
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assert_equal({ "a" => 23 }, parse(' { "a" : 23 } '))
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assert_equal({ "a" => 0.23 }, parse(' { "a" : 0.23 } '))
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assert_equal({ "a" => 0.23 }, parse(' { "a" : 0.23 } '))
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end
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def test_parse_json_primitive_values
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assert_raise(JSON::ParserError) { JSON.parse('') }
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assert_raise(JSON::ParserError) { JSON.parse('', :quirks_mode => true) }
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assert_raise(TypeError) { JSON::Parser.new(nil).parse }
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assert_raise(TypeError) { JSON::Parser.new(nil, :quirks_mode => true).parse }
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assert_raise(TypeError) { JSON.parse(nil) }
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assert_raise(TypeError) { JSON.parse(nil, :quirks_mode => true) }
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assert_raise(JSON::ParserError) { JSON.parse(' /* foo */ ') }
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assert_raise(JSON::ParserError) { JSON.parse(' /* foo */ ', :quirks_mode => true) }
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parser = JSON::Parser.new('null')
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assert_equal false, parser.quirks_mode?
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assert_raise(JSON::ParserError) { parser.parse }
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assert_raise(JSON::ParserError) { JSON.parse('null') }
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assert_equal nil, JSON.parse('null', :quirks_mode => true)
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parser = JSON::Parser.new('null', :quirks_mode => true)
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assert_equal true, parser.quirks_mode?
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assert_equal nil, parser.parse
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assert_raise(JSON::ParserError) { JSON.parse('false') }
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assert_equal false, JSON.parse('false', :quirks_mode => true)
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assert_raise(JSON::ParserError) { JSON.parse('true') }
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assert_equal true, JSON.parse('true', :quirks_mode => true)
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assert_raise(JSON::ParserError) { JSON.parse('23') }
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assert_equal 23, JSON.parse('23', :quirks_mode => true)
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assert_raise(JSON::ParserError) { JSON.parse('1') }
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assert_equal 1, JSON.parse('1', :quirks_mode => true)
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assert_raise(JSON::ParserError) { JSON.parse('3.141') }
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assert_in_delta 3.141, JSON.parse('3.141', :quirks_mode => true), 1E-3
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assert_raise(JSON::ParserError) { JSON.parse('18446744073709551616') }
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assert_equal 2 ** 64, JSON.parse('18446744073709551616', :quirks_mode => true)
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assert_raise(JSON::ParserError) { JSON.parse('"foo"') }
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assert_equal 'foo', JSON.parse('"foo"', :quirks_mode => true)
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assert_raise(JSON::ParserError) { JSON.parse('NaN', :allow_nan => true) }
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assert JSON.parse('NaN', :quirks_mode => true, :allow_nan => true).nan?
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assert_raise(JSON::ParserError) { JSON.parse('Infinity', :allow_nan => true) }
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assert JSON.parse('Infinity', :quirks_mode => true, :allow_nan => true).infinite?
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assert_raise(JSON::ParserError) { JSON.parse('-Infinity', :allow_nan => true) }
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assert JSON.parse('-Infinity', :quirks_mode => true, :allow_nan => true).infinite?
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assert_raise(JSON::ParserError) { JSON.parse('[ 1, ]', :quirks_mode => true) }
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end
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if Array.method_defined?(:permutation)
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def test_parse_more_complex_arrays
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a = [ nil, false, true, "foßbar", [ "n€st€d", true ], { "nested" => true, "n€ßt€ð2" => {} }]
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a.permutation.each do |perm|
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json = pretty_generate(perm)
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assert_equal perm, parse(json)
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end
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end
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def test_parse_complex_objects
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a = [ nil, false, true, "foßbar", [ "n€st€d", true ], { "nested" => true, "n€ßt€ð2" => {} }]
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a.permutation.each do |perm|
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s = "a"
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orig_obj = perm.inject({}) { |h, x| h[s.dup] = x; s = s.succ; h }
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json = pretty_generate(orig_obj)
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assert_equal orig_obj, parse(json)
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end
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end
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end
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def test_parse_arrays
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assert_equal([1,2,3], parse('[1,2,3]'))
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assert_equal([1.2,2,3], parse('[1.2,2,3]'))
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assert_equal([[],[[],[]]], parse('[[],[[],[]]]'))
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end
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def test_parse_values
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assert_equal([""], parse('[""]'))
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assert_equal(["\\"], parse('["\\\\"]'))
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assert_equal(['"'], parse('["\""]'))
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assert_equal(['\\"\\'], parse('["\\\\\\"\\\\"]'))
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assert_equal(["\"\b\n\r\t\0\037"],
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parse('["\"\b\n\r\t\u0000\u001f"]'))
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for i in 0 ... @ary.size
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assert_equal(@ary[i], parse(@ary_to_parse[i]))
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end
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end
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def test_parse_array
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assert_equal([], parse('[]'))
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assert_equal([], parse(' [ ] '))
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assert_equal([1], parse('[1]'))
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assert_equal([1], parse(' [ 1 ] '))
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assert_equal(@ary,
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parse('[[1],["foo"],[3.14],[47.11e+2],[2718.0E-3],[null],[[1,-2,3]]'\
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',[false],[true]]'))
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assert_equal(@ary, parse(%Q{ [ [1] , ["foo"] , [3.14] \t , [47.11e+2]\s
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, [2718.0E-3 ],\r[ null] , [[1, -2, 3 ]], [false ],[ true]\n ] }))
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end
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class SubArray < Array
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def <<(v)
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@shifted = true
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super
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end
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def shifted?
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@shifted
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end
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end
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class SubArray2 < Array
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def to_json(*a)
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{
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JSON.create_id => self.class.name,
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'ary' => to_a,
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}.to_json(*a)
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end
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def self.json_create(o)
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o.delete JSON.create_id
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o['ary']
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end
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end
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class SubArrayWrapper
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def initialize
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@data = []
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end
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attr_reader :data
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def [](index)
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@data[index]
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end
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def <<(value)
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@data << value
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@shifted = true
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end
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def shifted?
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@shifted
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end
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end
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def test_parse_array_custom_array_derived_class
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res = parse('[1,2]', :array_class => SubArray)
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assert_equal([1,2], res)
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assert_equal(SubArray, res.class)
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assert res.shifted?
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end
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def test_parse_array_custom_non_array_derived_class
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res = parse('[1,2]', :array_class => SubArrayWrapper)
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assert_equal([1,2], res.data)
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assert_equal(SubArrayWrapper, res.class)
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assert res.shifted?
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end
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def test_parse_object
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assert_equal({}, parse('{}'))
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assert_equal({}, parse(' { } '))
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assert_equal({'foo'=>'bar'}, parse('{"foo":"bar"}'))
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assert_equal({'foo'=>'bar'}, parse(' { "foo" : "bar" } '))
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end
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class SubHash < Hash
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def []=(k, v)
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@item_set = true
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super
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end
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def item_set?
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@item_set
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end
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end
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class SubHash2 < Hash
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def to_json(*a)
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{
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JSON.create_id => self.class.name,
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}.merge(self).to_json(*a)
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end
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def self.json_create(o)
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o.delete JSON.create_id
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self[o]
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end
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end
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class SubOpenStruct < OpenStruct
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def [](k)
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__send__(k)
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end
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def []=(k, v)
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@item_set = true
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__send__("#{k}=", v)
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end
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def item_set?
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@item_set
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end
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end
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def test_parse_object_custom_hash_derived_class
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res = parse('{"foo":"bar"}', :object_class => SubHash)
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assert_equal({"foo" => "bar"}, res)
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assert_equal(SubHash, res.class)
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assert res.item_set?
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end
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def test_parse_object_custom_non_hash_derived_class
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res = parse('{"foo":"bar"}', :object_class => SubOpenStruct)
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assert_equal "bar", res.foo
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assert_equal(SubOpenStruct, res.class)
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assert res.item_set?
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end
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def test_parse_generic_object
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res = parse('{"foo":"bar", "baz":{}}', :object_class => JSON::GenericObject)
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assert_equal(JSON::GenericObject, res.class)
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assert_equal "bar", res.foo
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assert_equal "bar", res["foo"]
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assert_equal "bar", res[:foo]
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assert_equal "bar", res.to_hash[:foo]
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assert_equal(JSON::GenericObject, res.baz.class)
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end
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def test_generate_core_subclasses_with_new_to_json
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obj = SubHash2["foo" => SubHash2["bar" => true]]
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obj_json = JSON(obj)
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obj_again = JSON.parse(obj_json, :create_additions => true)
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assert_kind_of SubHash2, obj_again
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assert_kind_of SubHash2, obj_again['foo']
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assert obj_again['foo']['bar']
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assert_equal obj, obj_again
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assert_equal ["foo"], JSON(JSON(SubArray2["foo"]), :create_additions => true)
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end
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def test_generate_core_subclasses_with_default_to_json
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|
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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
|