summaryrefslogtreecommitdiff
path: root/tests/test_json_rails.rb
blob: d33402da8255cbb776afc783288a8ce853d48db7 (plain)
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
#!/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 'json/add/rails'
require 'date'

class TC_JSONRails < 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 B
    def self.json_creatable?
      false
    end

    def to_json(*args)
      {
        'json_class'  => self.class.name,
      }.to_json(*args)
    end
  end

  class C
    def to_json(*args)
      {
        'json_class'  => 'TC_JSONRails::Nix',
      }.to_json(*args)
    end
  end

  class D
    def initialize
      @foo = 666
    end

    attr_reader :foo

    def ==(other)
      foo == other.foo
    end
  end

  def test_extended_json
    a = A.new(666)
    assert A.json_creatable?
    assert_equal 666, a.a
    json = generate(a)
    a_again = JSON.parse(json)
    assert_kind_of a.class, a_again
    assert_equal a, a_again
    assert_equal 666, a_again.a
  end

  def test_extended_json_generic_object
    d = D.new
    assert D.json_creatable?
    assert_equal 666, d.foo
    json = generate(d)
    d_again = JSON.parse(json)
    assert_kind_of d.class, d_again
    assert_equal d, d_again
    assert_equal 666, d_again.foo
  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"=>"TC_JSONRails::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' => B.name }, JSON.parse(json))
  end

  def test_extended_json_fail2
    c = C.new # with rails addition all objects are theoretically creatable
    assert C.json_creatable?
    json = generate(c)
    assert_raises(ArgumentError) { JSON.parse(json) }
  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
    json_raw = <<EOT.chomp
{\"json_class\":\"String\",\"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]}
EOT
# "
    assert_equal json_raw, json
    raw_again = JSON.parse(json)
    assert_equal raw, raw_again
  end

  def test_symbol
    assert_equal '"foo"', :foo.to_json #  we don't want an object here
  end
end