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
|
# -*- coding: utf-8 -*-
require "cases/helper"
require 'support/schema_dumping_helper'
module PostgresqlJSONSharedTestCases
include SchemaDumpingHelper
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.public_send column_type, 'payload', default: {} # t.json 'payload', default: {}
t.public_send column_type, 'settings' # t.json 'settings'
end
rescue ActiveRecord::StatementInvalid
skip "do not test on PostgreSQL without #{column_type} type."
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 column_type, column.type
assert_equal column_type.to_s, column.sql_type
assert_not column.array?
type = JsonDataType.type_for_attribute("payload")
assert_not type.binary?
end
def test_default
@connection.add_column 'json_data_type', 'permissions', column_type, default: '{"users": "read", "posts": ["read", "write"]}'
JsonDataType.reset_column_information
assert_equal({"users"=>"read", "posts"=>["read", "write"]}, JsonDataType.column_defaults['permissions'])
assert_equal({"users"=>"read", "posts"=>["read", "write"]}, JsonDataType.new.permissions)
ensure
JsonDataType.reset_column_information
end
def test_change_table_supports_json
@connection.transaction do
@connection.change_table('json_data_type') do |t|
t.public_send column_type, 'users', default: '{}' # t.json 'users', default: '{}'
end
JsonDataType.reset_column_information
column = JsonDataType.columns_hash['users']
assert_equal column_type, column.type
raise ActiveRecord::Rollback # reset the schema change
end
ensure
JsonDataType.reset_column_information
end
def test_schema_dumping
output = dump_table_schema("json_data_type")
assert_match(/t\.#{column_type.to_s}\s+"payload",\s+default: {}/, 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_invalid_json
json = JsonDataType.new
json.payload = 'foo'
assert_nil json.payload
end
end
class PostgresqlJSONTest < ActiveRecord::PostgreSQLTestCase
include PostgresqlJSONSharedTestCases
def column_type
:json
end
end
class PostgresqlJSONBTest < ActiveRecord::PostgreSQLTestCase
include PostgresqlJSONSharedTestCases
def column_type
:jsonb
end
end
|
