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3a47cf3395
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
401 lines
13 KiB
Ruby
Executable file
401 lines
13 KiB
Ruby
Executable file
#!/usr/bin/env ruby
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# -*- coding: utf-8 -*-
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require 'test/unit'
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case ENV['JSON']
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when 'pure' then require 'json/pure'
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when 'ext' then require 'json/ext'
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else require 'json'
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end
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require 'stringio'
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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 TC_JSON < 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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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]
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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; 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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def test_parse_array_custom_class
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res = parse('[]', :array_class => SubArray)
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assert_equal([], res)
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assert_equal(SubArray, res.class)
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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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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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def test_parse_object_custom_class
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res = parse('{}', :object_class => SubHash2)
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assert_equal({}, res)
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assert_equal(SubHash2, res.class)
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end
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def test_generation_of_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(obj_json)
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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"]))
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end
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def test_generation_of_core_subclasses_with_default_to_json
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assert_equal '{"foo":"bar"}', JSON(SubHash["foo" => "bar"])
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assert_equal '["foo"]', JSON(SubArray["foo"])
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end
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def test_generation_of_core_subclasses
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obj = SubHash["foo" => SubHash["bar" => true]]
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obj_json = JSON(obj)
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obj_again = JSON(obj_json)
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assert_kind_of Hash, obj_again
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assert_kind_of Hash, 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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end
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def test_parser_reset
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parser = Parser.new(@json)
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assert_equal(@hash, parser.parse)
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assert_equal(@hash, parser.parse)
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end
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def test_comments
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json = <<EOT
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{
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"key1":"value1", // eol comment
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"key2":"value2" /* multi line
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* comment */,
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"key3":"value3" /* multi line
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// nested eol comment
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* comment */
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}
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EOT
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assert_equal(
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{ "key1" => "value1", "key2" => "value2", "key3" => "value3" },
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parse(json))
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json = <<EOT
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{
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"key1":"value1" /* multi line
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// nested eol comment
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/* illegal nested multi line comment */
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* comment */
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}
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EOT
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assert_raises(ParserError) { parse(json) }
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json = <<EOT
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{
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"key1":"value1" /* multi line
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// nested eol comment
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closed multi comment */
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and again, throw an Error */
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}
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EOT
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assert_raises(ParserError) { parse(json) }
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json = <<EOT
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{
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"key1":"value1" /*/*/
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}
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EOT
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assert_equal({ "key1" => "value1" }, parse(json))
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end
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def test_backslash
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data = [ '\\.(?i:gif|jpe?g|png)$' ]
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json = '["\\\\.(?i:gif|jpe?g|png)$"]'
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assert_equal json, JSON.generate(data)
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assert_equal data, JSON.parse(json)
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#
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data = [ '\\"' ]
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json = '["\\\\\""]'
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assert_equal json, JSON.generate(data)
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assert_equal data, JSON.parse(json)
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#
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json = '["/"]'
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data = JSON.parse(json)
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assert_equal ['/'], data
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assert_equal json, JSON.generate(data)
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#
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json = '["\""]'
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data = JSON.parse(json)
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assert_equal ['"'], data
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assert_equal json, JSON.generate(data)
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json = '["\\\'"]'
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data = JSON.parse(json)
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assert_equal ["'"], data
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assert_equal '["\'"]', JSON.generate(data)
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end
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def test_wrong_inputs
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assert_raises(ParserError) { JSON.parse('"foo"') }
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assert_raises(ParserError) { JSON.parse('123') }
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assert_raises(ParserError) { JSON.parse('[] bla') }
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assert_raises(ParserError) { JSON.parse('[] 1') }
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assert_raises(ParserError) { JSON.parse('[] []') }
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assert_raises(ParserError) { JSON.parse('[] {}') }
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assert_raises(ParserError) { JSON.parse('{} []') }
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assert_raises(ParserError) { JSON.parse('{} {}') }
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assert_raises(ParserError) { JSON.parse('[NULL]') }
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assert_raises(ParserError) { JSON.parse('[FALSE]') }
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assert_raises(ParserError) { JSON.parse('[TRUE]') }
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assert_raises(ParserError) { JSON.parse('[07] ') }
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assert_raises(ParserError) { JSON.parse('[0a]') }
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assert_raises(ParserError) { JSON.parse('[1.]') }
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assert_raises(ParserError) { JSON.parse(' ') }
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end
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def test_nesting
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assert_raises(JSON::NestingError) { JSON.parse '[[]]', :max_nesting => 1 }
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assert_raises(JSON::NestingError) { JSON.parser.new('[[]]', :max_nesting => 1).parse }
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assert_equal [[]], JSON.parse('[[]]', :max_nesting => 2)
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too_deep = '[[[[[[[[[[[[[[[[[[[["Too deep"]]]]]]]]]]]]]]]]]]]]'
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too_deep_ary = eval too_deep
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assert_raises(JSON::NestingError) { JSON.parse too_deep }
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assert_raises(JSON::NestingError) { JSON.parser.new(too_deep).parse }
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assert_raises(JSON::NestingError) { JSON.parse too_deep, :max_nesting => 19 }
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ok = JSON.parse too_deep, :max_nesting => 20
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assert_equal too_deep_ary, ok
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ok = JSON.parse too_deep, :max_nesting => nil
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assert_equal too_deep_ary, ok
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ok = JSON.parse too_deep, :max_nesting => false
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assert_equal too_deep_ary, ok
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ok = JSON.parse too_deep, :max_nesting => 0
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assert_equal too_deep_ary, ok
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assert_raises(JSON::NestingError) { JSON.generate [[]], :max_nesting => 1 }
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assert_equal '[[]]', JSON.generate([[]], :max_nesting => 2)
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assert_raises(JSON::NestingError) { JSON.generate too_deep_ary }
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assert_raises(JSON::NestingError) { JSON.generate too_deep_ary, :max_nesting => 19 }
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ok = JSON.generate too_deep_ary, :max_nesting => 20
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assert_equal too_deep, ok
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ok = JSON.generate too_deep_ary, :max_nesting => nil
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assert_equal too_deep, ok
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ok = JSON.generate too_deep_ary, :max_nesting => false
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assert_equal too_deep, ok
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ok = JSON.generate too_deep_ary, :max_nesting => 0
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assert_equal too_deep, ok
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end
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def test_symbolize_names
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assert_equal({ "foo" => "bar", "baz" => "quux" },
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JSON.parse('{"foo":"bar", "baz":"quux"}'))
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assert_equal({ :foo => "bar", :baz => "quux" },
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JSON.parse('{"foo":"bar", "baz":"quux"}', :symbolize_names => true))
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end
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def test_load_dump
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too_deep = '[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]'
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assert_equal too_deep, JSON.dump(eval(too_deep))
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assert_kind_of String, Marshal.dump(eval(too_deep))
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assert_raises(ArgumentError) { JSON.dump(eval(too_deep), 19) }
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assert_raises(ArgumentError) { Marshal.dump(eval(too_deep), 19) }
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assert_equal too_deep, JSON.dump(eval(too_deep), 20)
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assert_kind_of String, Marshal.dump(eval(too_deep), 20)
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output = StringIO.new
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JSON.dump(eval(too_deep), output)
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assert_equal too_deep, output.string
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output = StringIO.new
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JSON.dump(eval(too_deep), output, 20)
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assert_equal too_deep, output.string
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end
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def test_big_integers
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json1 = JSON([orig = (1 << 31) - 1])
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assert_equal orig, JSON[json1][0]
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json2 = JSON([orig = 1 << 31])
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assert_equal orig, JSON[json2][0]
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json3 = JSON([orig = (1 << 62) - 1])
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assert_equal orig, JSON[json3][0]
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json4 = JSON([orig = 1 << 62])
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assert_equal orig, JSON[json4][0]
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json5 = JSON([orig = 1 << 64])
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assert_equal orig, JSON[json5][0]
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end
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def test_allocate
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json = JSON::Parser.new("{}")
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assert_raises(TypeError, '[ruby-core:35079]') {json.__send__(:initialize, "{}")}
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json = JSON::Parser.allocate
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assert_raises(TypeError, '[ruby-core:35079]') {json.source}
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end
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end
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