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
|
require 'cases/helper'
class OverloadedType < ActiveRecord::Base
attribute :overloaded_float, Type::Integer.new
attribute :overloaded_string_with_limit, Type::String.new(limit: 50)
attribute :non_existent_decimal, Type::Decimal.new
attribute :string_with_default, Type::String.new, default: 'the overloaded default'
end
class ChildOfOverloadedType < OverloadedType
end
class GrandchildOfOverloadedType < ChildOfOverloadedType
attribute :overloaded_float, Type::Float.new
end
class UnoverloadedType < ActiveRecord::Base
self.table_name = 'overloaded_types'
end
module ActiveRecord
class CustomPropertiesTest < ActiveRecord::TestCase
test "overloading types" do
data = OverloadedType.new
data.overloaded_float = "1.1"
data.unoverloaded_float = "1.1"
assert_equal 1, data.overloaded_float
assert_equal 1.1, data.unoverloaded_float
end
test "overloaded properties save" do
data = OverloadedType.new
data.overloaded_float = "2.2"
data.save!
data.reload
assert_equal 2, data.overloaded_float
assert_kind_of Fixnum, OverloadedType.last.overloaded_float
assert_equal 2.0, UnoverloadedType.last.overloaded_float
assert_kind_of Float, UnoverloadedType.last.overloaded_float
end
test "properties assigned in constructor" do
data = OverloadedType.new(overloaded_float: '3.3')
assert_equal 3, data.overloaded_float
end
test "overloaded properties with limit" do
assert_equal 50, OverloadedType.columns_hash['overloaded_string_with_limit'].limit
assert_equal 255, UnoverloadedType.columns_hash['overloaded_string_with_limit'].limit
end
test "nonexistent attribute" do
data = OverloadedType.new(non_existent_decimal: 1)
assert_equal BigDecimal.new(1), data.non_existent_decimal
assert_raise ActiveRecord::UnknownAttributeError do
UnoverloadedType.new(non_existent_decimal: 1)
end
end
test "changing defaults" do
data = OverloadedType.new
unoverloaded_data = UnoverloadedType.new
assert_equal 'the overloaded default', data.string_with_default
assert_equal 'the original default', unoverloaded_data.string_with_default
end
test "defaults are not touched on the columns" do
assert_equal 'the original default', OverloadedType.columns_hash['string_with_default'].default
end
test "children inherit custom properties" do
data = ChildOfOverloadedType.new(overloaded_float: '4.4')
assert_equal 4, data.overloaded_float
end
test "children can override parents" do
data = GrandchildOfOverloadedType.new(overloaded_float: '4.4')
assert_equal 4.4, data.overloaded_float
end
test "overloading properties does not change column order" do
column_names = OverloadedType.column_names
assert_equal %w(id overloaded_float unoverloaded_float overloaded_string_with_limit string_with_default non_existent_decimal), column_names
end
test "caches are cleared" do
klass = Class.new(OverloadedType)
assert_equal 6, klass.columns.length
assert_not klass.columns_hash.key?('wibble')
assert_equal 6, klass.column_types.length
assert_equal 6, klass.column_defaults.length
assert_not klass.column_names.include?('wibble')
assert_equal 5, klass.content_columns.length
klass.attribute :wibble, Type::Value.new
assert_equal 7, klass.columns.length
assert klass.columns_hash.key?('wibble')
assert_equal 7, klass.column_types.length
assert_equal 7, klass.column_defaults.length
assert klass.column_names.include?('wibble')
assert_equal 6, klass.content_columns.length
end
test "non string/integers use custom types for queries" do
klass = Class.new(OverloadedType)
type = Type::Value.new
def type.cast_value(value)
!!value
end
def type.type_cast_for_database(value)
if value
"Y"
else
"N"
end
end
klass.attribute(:string_with_default, type, default: false)
klass.create!(string_with_default: true)
assert_equal 1, klass.where(string_with_default: true).count
end
end
end
|
