aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/cases/adapters/mysql2/json_test.rb
blob: f0e670d4b82621d308bd0187dd663379fbc9a28e (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
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
require "cases/helper"
require "support/schema_dumping_helper"

if ActiveRecord::Base.connection.supports_json?
  class Mysql2JSONTest < ActiveRecord::Mysql2TestCase
    include SchemaDumpingHelper
    self.use_transactional_tests = false

    class JsonDataType < ActiveRecord::Base
      self.table_name = "json_data_type"

      store_accessor :settings, :resolution
    end

    def setup
      @connection = ActiveRecord::Base.connection
      begin
        @connection.create_table("json_data_type") do |t|
          t.json "payload"
          t.json "settings"
        end
      end
    end

    def teardown
      @connection.drop_table :json_data_type, if_exists: true
      JsonDataType.reset_column_information
    end

    def test_column
      column = JsonDataType.columns_hash["payload"]
      assert_equal :json, column.type
      assert_equal "json", column.sql_type

      type = JsonDataType.type_for_attribute("payload")
      assert_not type.binary?
    end

    def test_change_table_supports_json
      @connection.change_table("json_data_type") do |t|
        t.json "users"
      end
      JsonDataType.reset_column_information
      column = JsonDataType.columns_hash["users"]
      assert_equal :json, column.type
    end

    def test_schema_dumping
      output = dump_table_schema("json_data_type")
      assert_match(/t\.json\s+"settings"/, output)
    end

    def test_cast_value_on_write
      x = JsonDataType.new payload: {"string" => "foo", :symbol => :bar}
      assert_equal({"string" => "foo", :symbol => :bar}, x.payload_before_type_cast)
      assert_equal({"string" => "foo", "symbol" => "bar"}, x.payload)
      x.save
      assert_equal({"string" => "foo", "symbol" => "bar"}, x.reload.payload)
    end

    def test_type_cast_json
      type = JsonDataType.type_for_attribute("payload")

      data = "{\"a_key\":\"a_value\"}"
      hash = type.deserialize(data)
      assert_equal({"a_key" => "a_value"}, hash)
      assert_equal({"a_key" => "a_value"}, type.deserialize(data))

      assert_equal({}, type.deserialize("{}"))
      assert_equal({"key"=>nil}, type.deserialize('{"key": null}'))
      assert_equal({"c"=>"}",'"a"'=>'b "a b'}, type.deserialize(%q({"c":"}", "\"a\"":"b \"a b"})))
    end

    def test_rewrite
      @connection.execute "insert into json_data_type (payload) VALUES ('{\"k\":\"v\"}')"
      x = JsonDataType.first
      x.payload = { '"a\'' => "b" }
      assert x.save!
    end

    def test_select
      @connection.execute "insert into json_data_type (payload) VALUES ('{\"k\":\"v\"}')"
      x = JsonDataType.first
      assert_equal({"k" => "v"}, x.payload)
    end

    def test_select_multikey
      @connection.execute %q|insert into json_data_type (payload) VALUES ('{"k1":"v1", "k2":"v2", "k3":[1,2,3]}')|
      x = JsonDataType.first
      assert_equal({"k1" => "v1", "k2" => "v2", "k3" => [1,2,3]}, x.payload)
    end

    def test_null_json
      @connection.execute %q|insert into json_data_type (payload) VALUES(null)|
      x = JsonDataType.first
      assert_equal(nil, x.payload)
    end

    def test_select_array_json_value
      @connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')|
      x = JsonDataType.first
      assert_equal(["v0", {"k1" => "v1"}], x.payload)
    end

    def test_rewrite_array_json_value
      @connection.execute %q|insert into json_data_type (payload) VALUES ('["v0",{"k1":"v1"}]')|
      x = JsonDataType.first
      x.payload = ["v1", {"k2" => "v2"}, "v3"]
      assert x.save!
    end

    def test_with_store_accessors
      x = JsonDataType.new(resolution: "320×480")
      assert_equal "320×480", x.resolution

      x.save!
      x = JsonDataType.first
      assert_equal "320×480", x.resolution

      x.resolution = "640×1136"
      x.save!

      x = JsonDataType.first
      assert_equal "640×1136", x.resolution
    end

    def test_duplication_with_store_accessors
      x = JsonDataType.new(resolution: "320×480")
      assert_equal "320×480", x.resolution

      y = x.dup
      assert_equal "320×480", y.resolution
    end

    def test_yaml_round_trip_with_store_accessors
      x = JsonDataType.new(resolution: "320×480")
      assert_equal "320×480", x.resolution

      y = YAML.load(YAML.dump(x))
      assert_equal "320×480", y.resolution
    end

    def test_changes_in_place
      json = JsonDataType.new
      assert_not json.changed?

      json.payload = { "one" => "two" }
      assert json.changed?
      assert json.payload_changed?

      json.save!
      assert_not json.changed?

      json.payload["three"] = "four"
      assert json.payload_changed?

      json.save!
      json.reload

      assert_equal({ "one" => "two", "three" => "four" }, json.payload)
      assert_not json.changed?
    end

    def test_assigning_string_literal
      json = JsonDataType.create(payload: "foo")
      assert_equal "foo", json.payload
    end

    def test_assigning_number
      json = JsonDataType.create(payload: 1.234)
      assert_equal 1.234, json.payload
    end

    def test_assigning_boolean
      json = JsonDataType.create(payload: true)
      assert_equal true, json.payload
    end
  end
end