diff options
Diffstat (limited to 'tests/test_json.rb')
| -rwxr-xr-x | tests/test_json.rb | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/tests/test_json.rb b/tests/test_json.rb new file mode 100755 index 0000000..5307609 --- /dev/null +++ b/tests/test_json.rb @@ -0,0 +1,312 @@ +#!/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 |