test_json_addition.rb [plain text]
require 'test/unit'
require File.join(File.dirname(__FILE__), 'setup_variant')
require 'json/add/core'
require 'json/add/complex'
require 'json/add/rational'
require 'json/add/bigdecimal'
require 'json/add/ostruct'
require 'date'
class TestJSONAddition < Test::Unit::TestCase
include JSON
class A
def initialize(a)
@a = a
end
attr_reader :a
def ==(other)
a == other.a
end
def self.json_create(object)
new(*object['args'])
end
def to_json(*args)
{
'json_class' => self.class.name,
'args' => [ @a ],
}.to_json(*args)
end
end
class A2 < A
def to_json(*args)
{
'json_class' => self.class.name,
'args' => [ @a ],
}.to_json(*args)
end
end
class B
def self.json_creatable?
false
end
def to_json(*args)
{
'json_class' => self.class.name,
}.to_json(*args)
end
end
class C
def self.json_creatable?
false
end
def to_json(*args)
{
'json_class' => 'TestJSONAddition::Nix',
}.to_json(*args)
end
end
def test_extended_json
a = A.new(666)
assert A.json_creatable?
json = generate(a)
a_again = JSON.parse(json, :create_additions => true)
assert_kind_of a.class, a_again
assert_equal a, a_again
end
def test_extended_json_default
a = A.new(666)
assert A.json_creatable?
json = generate(a)
a_hash = JSON.parse(json)
assert_kind_of Hash, a_hash
end
def test_extended_json_disabled
a = A.new(666)
assert A.json_creatable?
json = generate(a)
a_again = JSON.parse(json, :create_additions => true)
assert_kind_of a.class, a_again
assert_equal a, a_again
a_hash = JSON.parse(json, :create_additions => false)
assert_kind_of Hash, a_hash
assert_equal(
{"args"=>[666], "json_class"=>"TestJSONAddition::A"}.sort_by { |k,| k },
a_hash.sort_by { |k,| k }
)
end
def test_extended_json_fail1
b = B.new
assert !B.json_creatable?
json = generate(b)
assert_equal({ "json_class"=>"TestJSONAddition::B" }, JSON.parse(json))
end
def test_extended_json_fail2
c = C.new
assert !C.json_creatable?
json = generate(c)
assert_raises(ArgumentError, NameError) { JSON.parse(json, :create_additions => true) }
end
def test_raw_strings
raw = ''
raw.respond_to?(:encode!) and raw.encode!(Encoding::ASCII_8BIT)
raw_array = []
for i in 0..255
raw << i
raw_array << i
end
json = raw.to_json_raw
json_raw_object = raw.to_json_raw_object
hash = { 'json_class' => 'String', 'raw'=> raw_array }
assert_equal hash, json_raw_object
assert_match(/\A\{.*\}\z/, json)
assert_match(/"json_class":"String"/, json)
assert_match(/"raw":\[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255\]/, json)
raw_again = JSON.parse(json, :create_additions => true)
assert_equal raw, raw_again
end
MyJsonStruct = Struct.new 'MyJsonStruct', :foo, :bar
def test_core
t = Time.now
assert_equal t, JSON(JSON(t), :create_additions => true)
d = Date.today
assert_equal d, JSON(JSON(d), :create_additions => true)
d = DateTime.civil(2007, 6, 14, 14, 57, 10, Rational(1, 12), 2299161)
assert_equal d, JSON(JSON(d), :create_additions => true)
assert_equal 1..10, JSON(JSON(1..10), :create_additions => true)
assert_equal 1...10, JSON(JSON(1...10), :create_additions => true)
assert_equal "a".."c", JSON(JSON("a".."c"), :create_additions => true)
assert_equal "a"..."c", JSON(JSON("a"..."c"), :create_additions => true)
s = MyJsonStruct.new 4711, 'foot'
assert_equal s, JSON(JSON(s), :create_additions => true)
struct = Struct.new :foo, :bar
s = struct.new 4711, 'foot'
assert_raises(JSONError) { JSON(s) }
begin
raise TypeError, "test me"
rescue TypeError => e
e_json = JSON.generate e
e_again = JSON e_json, :create_additions => true
assert_kind_of TypeError, e_again
assert_equal e.message, e_again.message
assert_equal e.backtrace, e_again.backtrace
end
assert_equal(/foo/, JSON(JSON(/foo/), :create_additions => true))
assert_equal(/foo/i, JSON(JSON(/foo/i), :create_additions => true))
end
def test_utc_datetime
now = Time.now
d = DateTime.parse(now.to_s, :create_additions => true) assert_equal d, JSON.parse(d.to_json, :create_additions => true)
d = DateTime.parse(now.utc.to_s) assert_equal d, JSON.parse(d.to_json, :create_additions => true)
d = DateTime.civil(2008, 6, 17, 11, 48, 32, Rational(1,24))
assert_equal d, JSON.parse(d.to_json, :create_additions => true)
d = DateTime.civil(2008, 6, 17, 11, 48, 32, Rational(12,24))
assert_equal d, JSON.parse(d.to_json, :create_additions => true)
end
def test_rational_complex
assert_equal Rational(2, 9), JSON.parse(JSON(Rational(2, 9)), :create_additions => true)
assert_equal Complex(2, 9), JSON.parse(JSON(Complex(2, 9)), :create_additions => true)
end
def test_bigdecimal
assert_equal BigDecimal('3.141', 23), JSON(JSON(BigDecimal('3.141', 23)), :create_additions => true)
assert_equal BigDecimal('3.141', 666), JSON(JSON(BigDecimal('3.141', 666)), :create_additions => true)
end
def test_ostruct
o = OpenStruct.new
o.foo = { 'bar' => true }
assert_equal o, JSON.parse(JSON(o), :create_additions => true)
end
end