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
|
require "cases/helper"
require "models/topic"
require "models/reply"
require "models/post"
require "models/author"
class YamlSerializationTest < ActiveRecord::TestCase
fixtures :topics, :authors, :author_addresses, :posts
def test_to_yaml_with_time_with_zone_should_not_raise_exception
with_timezone_config aware_attributes: true, zone: "Pacific Time (US & Canada)" do
topic = Topic.new(written_on: DateTime.now)
assert_nothing_raised { topic.to_yaml }
end
end
def test_roundtrip
topic = Topic.first
assert topic
t = YAML.load YAML.dump topic
assert_equal topic, t
end
def test_roundtrip_serialized_column
topic = Topic.new(content: { omg: :lol })
assert_equal({ omg: :lol }, YAML.load(YAML.dump(topic)).content)
end
def test_psych_roundtrip
topic = Topic.first
assert topic
t = Psych.load Psych.dump topic
assert_equal topic, t
end
def test_psych_roundtrip_new_object
topic = Topic.new
assert topic
t = Psych.load Psych.dump topic
assert_equal topic.attributes, t.attributes
end
def test_active_record_relation_serialization
[Topic.all].to_yaml
end
def test_raw_types_are_not_changed_on_round_trip
topic = Topic.new(parent_id: "123")
assert_equal "123", topic.parent_id_before_type_cast
assert_equal "123", YAML.load(YAML.dump(topic)).parent_id_before_type_cast
end
def test_cast_types_are_not_changed_on_round_trip
topic = Topic.new(parent_id: "123")
assert_equal 123, topic.parent_id
assert_equal 123, YAML.load(YAML.dump(topic)).parent_id
end
def test_new_records_remain_new_after_round_trip
topic = Topic.new
assert topic.new_record?, "Sanity check that new records are new"
assert YAML.load(YAML.dump(topic)).new_record?, "Record should be new after deserialization"
topic.save!
assert_not topic.new_record?, "Saved records are not new"
assert_not YAML.load(YAML.dump(topic)).new_record?, "Saved record should not be new after deserialization"
topic = Topic.select("title").last
assert_not topic.new_record?, "Loaded records without ID are not new"
assert_not YAML.load(YAML.dump(topic)).new_record?, "Record should not be new after deserialization"
end
def test_types_of_virtual_columns_are_not_changed_on_round_trip
author = Author.select("authors.*, count(posts.id) as posts_count")
.joins(:posts)
.group("authors.id")
.first
dumped = YAML.load(YAML.dump(author))
assert_equal 5, author.posts_count
assert_equal 5, dumped.posts_count
end
def test_a_yaml_version_is_provided_for_future_backwards_compat
coder = {}
Topic.first.encode_with(coder)
assert coder["active_record_yaml_version"]
end
def test_deserializing_rails_41_yaml
topic = YAML.load(yaml_fixture("rails_4_1"))
assert topic.new_record?
assert_nil topic.id
assert_equal "The First Topic", topic.title
assert_equal({ omg: :lol }, topic.content)
end
def test_deserializing_rails_4_2_0_yaml
topic = YAML.load(yaml_fixture("rails_4_2_0"))
assert_not topic.new_record?
assert_equal 1, topic.id
assert_equal "The First Topic", topic.title
assert_equal("Have a nice day", topic.content)
end
def test_yaml_encoding_keeps_mutations
author = Author.first
author.name = "Sean"
dumped = YAML.load(YAML.dump(author))
assert_equal "Sean", dumped.name
assert_equal author.name_was, dumped.name_was
assert_equal author.changes, dumped.changes
end
private
def yaml_fixture(file_name)
path = File.expand_path(
"../support/yaml_compatibility_fixtures/#{file_name}.yml",
__dir__
)
File.read(path)
end
end
|
