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json_common_interface_test.rb
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/
json_common_interface_test.rb
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#!/usr/bin/env ruby
# encoding: UTF-8
#frozen_string_literal: false
require 'json_gem/test_helper'
require 'stringio'
require 'tempfile'
class JSONCommonInterfaceTest < Test::Unit::TestCase
include Test::Unit::TestCaseOmissionSupport
include Test::Unit::TestCasePendingSupport
def setup
@hash = {
'a' => 2,
#'b' => 5.23683071,
'c' => 'c',
'd' => [ 1, "b", 3.14 ],
'e' => { 'foo' => 'bar' },
'g' => "\"\0\037",
'h' => 1000.0,
'i' => 0.001
}
# Tired of chasing floating point rounding and precision. Oj now uses the
# Ruby float parser in compat mode yet on i386 machines there are issues
# with this test when the float is included.
#@json = '{"a":2,"b":5.23683071,"c":"c","d":[1,"b",3.14],"e":{"foo":"bar"},'\
#'"g":"\\"\\u0000\\u001f","h":1000.0,"i":0.001}'
@json = '{"a":2,"c":"c","d":[1,"b",3.14],"e":{"foo":"bar"},'\
'"g":"\\"\\u0000\\u001f","h":1000.0,"i":0.001}'
end
def test_index
assert_equal @json, JSON[@hash]
assert_equal @hash, JSON[@json]
end
##############################################################################
# The next tests are omitted as implementing them and using them is a
# performance hit. Use of the JSON.parse() and similar provide the same
# functionality and perform better.
def test_parser
assert_match /::Parser\z/, JSON.parser.name
end
def test_generator
assert_match /::Generator\z/, JSON.generator.name
end
def test_state
assert_match /::Generator::State\z/, JSON.state.name
end
# This doesn't have anything to do with JSON parsing or generation. It seems
# to be more of an internal tool that is exposed to users.
def test_deep_const_get
omit("mimic_JSON") unless REAL_JSON_GEM
assert_raise(ArgumentError) { JSON.deep_const_get('Nix::Da') }
assert_equal File::SEPARATOR, JSON.deep_const_get('File::SEPARATOR')
end
##############################################################################
def test_create_id
assert_equal 'json_class', JSON.create_id
JSON.create_id = 'foo_bar'
assert_equal 'foo_bar', JSON.create_id
ensure
JSON.create_id = 'json_class'
end
def test_parse
assert_equal [ 1, 2, 3, ], JSON.parse('[ 1, 2, 3 ]')
end
def test_parse_bang
# Modified this test to compare strings since NaN comparison fails if NaN
# was defined in different places even if it represents the same value.
assert_equal [ 1, NaN, 3, ].to_s, JSON.parse!('[ 1, NaN, 3 ]').to_s
end
def test_generate
assert_equal '[1,2,3]', JSON.generate([ 1, 2, 3 ])
end
def test_fast_generate
assert_equal '[1,2,3]', JSON.generate([ 1, 2, 3 ])
end
def test_pretty_generate
assert_equal "[\n 1,\n 2,\n 3\n]", JSON.pretty_generate([ 1, 2, 3 ])
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('')
ensure
tempfile.close!
end
def test_load_with_options
json = '{ "foo": NaN }'
assert JSON.load(json, nil, :allow_nan => true)['foo'].nan?
end
def test_load_null
assert_equal nil, JSON.load(nil, nil, :allow_blank => true)
assert_raise(TypeError) { JSON.load(nil, nil, :allow_blank => false) }
assert_raise(JSON::ParserError) { JSON.load('', nil, :allow_blank => false) }
# The next tests are added by Oj to catch additional cases.
assert_equal nil, JSON.load('', nil, :allow_blank => true)
assert_raise(JSON::ParserError) { JSON.load('', nil, :allow_blank => false) }
assert_raise(JSON::ParserError) { JSON.load(' ', nil, :allow_blank => true) }
assert_raise(JSON::ParserError) { JSON.load(' ', nil, :allow_blank => false) }
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_raise(ArgumentError) { JSON.dump(eval(too_deep), 100) }
assert_raise(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_dump_should_modify_defaults
max_nesting = JSON.dump_default_options[:max_nesting]
JSON.dump([], StringIO.new, 10)
assert_equal max_nesting, JSON.dump_default_options[:max_nesting]
end
def test_JSON
assert_equal @json, JSON(@hash)
assert_equal @hash, JSON(@json)
end
end