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#!/usr/bin/env ruby
# -*- coding: utf-8 -*-
require 'test/unit'
case ENV['JSON']
when 'pure' then require 'json/pure'
when 'ext' then require 'json/ext'
else require 'json'
end
require 'stringio'
class TC_JSON < 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
begin
require 'permutation'
def test_parse_more_complex_arrays
a = [ nil, false, true, "foßbar", [ "n€st€d", true ], { "nested" => true, "n€ßt€ð2" => {} }]
perms = Permutation.for a
perms.each do |perm|
orig_ary = perm.project
json = pretty_generate(orig_ary)
assert_equal orig_ary, parse(json)
end
end
def test_parse_complex_objects
a = [ nil, false, true, "foßbar", [ "n€st€d", true ], { "nested" => true, "n€ßt€ð2" => {} }]
perms = Permutation.for a
perms.each do |perm|
s = "a"
orig_obj = perm.project.inject({}) { |h, x| h[s.dup] = x; s = s.succ; h }
json = pretty_generate(orig_obj)
assert_equal orig_obj, parse(json)
end
end
rescue LoadError
warn "Skipping permutation tests."
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]
, [2718.0E-3 ],\r[ null] , [[1, -2, 3 ]], [false ],[ true]\n ] }))
end
class SubArray < Array; end
def test_parse_array_custom_class
res = parse('[]', :array_class => SubArray)
assert_equal([], res)
assert_equal(SubArray, res.class)
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; end
def test_parse_object_custom_class
res = parse('{}', :object_class => SubHash)
assert_equal({}, res)
assert_equal(SubHash, res.class)
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.unparse(data)
assert_equal data, JSON.parse(json)
#
data = [ '\\"' ]
json = '["\\\\\""]'
assert_equal json, JSON.unparse(data)
assert_equal data, JSON.parse(json)
#
json = '["/"]'
data = JSON.parse(json)
assert_equal ['/'], data
assert_equal json, JSON.unparse(data)
#
json = '["\""]'
data = JSON.parse(json)
assert_equal ['"'], data
assert_equal json, JSON.unparse(data)
json = '["\\\'"]'
data = JSON.parse(json)
assert_equal ["'"], data
assert_equal '["\'"]', JSON.unparse(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 => 19 }
ok = JSON.parse too_deep, :max_nesting => 20
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 => 19 }
ok = JSON.generate too_deep_ary, :max_nesting => 20
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_load_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), 19) }
assert_raises(ArgumentError) { Marshal.dump(eval(too_deep), 19) }
assert_equal too_deep, JSON.dump(eval(too_deep), 20)
assert_kind_of String, Marshal.dump(eval(too_deep), 20)
output = StringIO.new
JSON.dump(eval(too_deep), output)
assert_equal too_deep, output.string
output = StringIO.new
JSON.dump(eval(too_deep), output, 20)
assert_equal too_deep, output.string
end
end
|
