aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/test/json/encoding_test.rb
blob: 1a0e6d543c6a7066c00f9b4d089a9c6b72e23378 (plain) (blame)
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
# encoding: utf-8
require 'abstract_unit'
require 'active_support/json'

class TestJSONEncoding < Test::Unit::TestCase
  class Foo
    def initialize(a, b)
      @a, @b = a, b
    end
  end

  TrueTests     = [[ true,  %(true)  ]]
  FalseTests    = [[ false, %(false) ]]
  NilTests      = [[ nil,   %(null)  ]]
  NumericTests  = [[ 1,     %(1)     ],
                   [ 2.5,   %(2.5)   ]]

  StringTests   = [[ 'this is the <string>',     %("this is the \\u003Cstring\\u003E")],
                   [ 'a "string" with quotes & an ampersand', %("a \\"string\\" with quotes \\u0026 an ampersand") ],
                   [ 'http://test.host/posts/1', %("http://test.host/posts/1")]]

  ArrayTests    = [[ ['a', 'b', 'c'],          %([\"a\",\"b\",\"c\"])          ],
                   [ [1, 'a', :b, nil, false], %([1,\"a\",\"b\",null,false]) ]]

  SymbolTests   = [[ :a,     %("a")    ],
                   [ :this,  %("this") ],
                   [ :"a b", %("a b")  ]]

  ObjectTests   = [[ Foo.new(1, 2), %({\"a\":1,\"b\":2}) ]]

  VariableTests = [[ ActiveSupport::JSON::Variable.new('foo'), 'foo'],
                   [ ActiveSupport::JSON::Variable.new('alert("foo")'), 'alert("foo")']]
  RegexpTests   = [[ /^a/, '/^a/' ], [/^\w{1,2}[a-z]+/ix, '/^\\w{1,2}[a-z]+/ix']]

  DateTests     = [[ Date.new(2005,2,1), %("2005/02/01") ]]
  TimeTests     = [[ Time.utc(2005,2,1,15,15,10), %("2005/02/01 15:15:10 +0000") ]]
  DateTimeTests = [[ DateTime.civil(2005,2,1,15,15,10), %("2005/02/01 15:15:10 +0000") ]]

  StandardDateTests     = [[ Date.new(2005,2,1), %("2005-02-01") ]]
  StandardTimeTests     = [[ Time.utc(2005,2,1,15,15,10), %("2005-02-01T15:15:10Z") ]]
  StandardDateTimeTests = [[ DateTime.civil(2005,2,1,15,15,10), %("2005-02-01T15:15:10+00:00") ]]
  StandardStringTests   = [[ 'this is the <string>', %("this is the <string>")]]

  constants.grep(/Tests$/).each do |class_tests|
    define_method("test_#{class_tests[0..-6].underscore}") do
      begin
        ActiveSupport.escape_html_entities_in_json  = class_tests !~ /^Standard/
        ActiveSupport.use_standard_json_time_format = class_tests =~ /^Standard/
        self.class.const_get(class_tests).each do |pair|
          assert_equal pair.last, ActiveSupport::JSON.encode(pair.first)
        end
      ensure
        ActiveSupport.escape_html_entities_in_json  = false
        ActiveSupport.use_standard_json_time_format = false
      end
    end
  end

  def test_hash_encoding
    assert_equal %({\"a\":\"b\"}), ActiveSupport::JSON.encode(:a => :b)
    assert_equal %({\"a\":1}), ActiveSupport::JSON.encode('a' => 1)
    assert_equal %({\"a\":[1,2]}), ActiveSupport::JSON.encode('a' => [1,2])
    assert_equal %({"1":2}), ActiveSupport::JSON.encode(1 => 2)

    sorted_json = '{' + ActiveSupport::JSON.encode(:a => :b, :c => :d)[1..-2].split(',').sort.join(',') + '}'
    assert_equal %({\"a\":\"b\",\"c\":\"d\"}), sorted_json
  end

  def test_utf8_string_encoded_properly_when_kcode_is_utf8
    with_kcode 'UTF8' do
      assert_equal '"\\u20ac2.99"', ActiveSupport::JSON.encode('€2.99')
      assert_equal '"\\u270e\\u263a"', ActiveSupport::JSON.encode('✎☺')
    end
  end

  def test_exception_raised_when_encoding_circular_reference
    a = [1]
    a << a
    assert_raise(ActiveSupport::JSON::CircularReferenceError) { ActiveSupport::JSON.encode(a) }
  end

  def test_hash_key_identifiers_are_always_quoted
    values = {0 => 0, 1 => 1, :_ => :_, "$" => "$", "a" => "a", :A => :A, :A0 => :A0, "A0B" => "A0B"}
    assert_equal %w( "$" "A" "A0" "A0B" "_" "a" "0" "1" ).sort, object_keys(ActiveSupport::JSON.encode(values))
  end

  def test_hash_should_allow_key_filtering_with_only
    assert_equal %({"a":1}), ActiveSupport::JSON.encode({'a' => 1, :b => 2, :c => 3}, :only => 'a')
  end

  def test_hash_should_allow_key_filtering_with_except
    assert_equal %({"b":2}), ActiveSupport::JSON.encode({'foo' => 'bar', :b => 2, :c => 3}, :except => ['foo', :c])
  end
  
  def test_time_to_json_includes_local_offset
    ActiveSupport.use_standard_json_time_format = true
    with_env_tz 'US/Eastern' do
      assert_equal %("2005-02-01T15:15:10-05:00"), ActiveSupport::JSON.encode(Time.local(2005,2,1,15,15,10))
    end
  ensure
    ActiveSupport.use_standard_json_time_format = false
  end

  def test_nested_hash_with_float
    assert_nothing_raised do
      hash = {
        "CHI" => {
          :dislay_name => "chicago",
          :latitude => 123.234
        }
      }
      result = ActiveSupport::JSON.encode(hash)
    end
  end

  protected

    def object_keys(json_object)
      json_object[1..-2].scan(/([^{}:,\s]+):/).flatten.sort
    end
    
    def with_env_tz(new_tz = 'US/Eastern')
      old_tz, ENV['TZ'] = ENV['TZ'], new_tz
      yield
    ensure
      old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ')
    end
end

class JsonOptionsTests < Test::Unit::TestCase
  def test_enumerable_should_passthrough_options_to_elements
    json_options = { :include => :posts }
    ActiveSupport::JSON.expects(:encode).with(1, json_options)
    ActiveSupport::JSON.expects(:encode).with(2, json_options)
    ActiveSupport::JSON.expects(:encode).with('foo', json_options)

    [1, 2, 'foo'].send(:rails_to_json, json_options)
  end
end