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
|
# frozen_string_literal: true
require "cases/helper"
require "active_support/core_ext/hash/indifferent_access"
require "models/company"
require "models/person"
require "models/ship"
require "models/ship_part"
require "models/treasure"
class ProtectedParams
attr_accessor :permitted
alias :permitted? :permitted
delegate :keys, :key?, :has_key?, :empty?, to: :@parameters
def initialize(attributes)
@parameters = attributes.with_indifferent_access
@permitted = false
end
def permit!
@permitted = true
self
end
def [](key)
@parameters[key]
end
def to_h
@parameters
end
def stringify_keys
dup
end
def dup
super.tap do |duplicate|
duplicate.instance_variable_set :@permitted, @permitted
end
end
end
class ForbiddenAttributesProtectionTest < ActiveRecord::TestCase
def test_forbidden_attributes_cannot_be_used_for_mass_assignment
params = ProtectedParams.new(first_name: "Guille", gender: "m")
assert_raises(ActiveModel::ForbiddenAttributesError) do
Person.new(params)
end
end
def test_permitted_attributes_can_be_used_for_mass_assignment
params = ProtectedParams.new(first_name: "Guille", gender: "m")
params.permit!
person = Person.new(params)
assert_equal "Guille", person.first_name
assert_equal "m", person.gender
end
def test_forbidden_attributes_cannot_be_used_for_sti_inheritance_column
params = ProtectedParams.new(type: "Client")
assert_raises(ActiveModel::ForbiddenAttributesError) do
Company.new(params)
end
end
def test_permitted_attributes_can_be_used_for_sti_inheritance_column
params = ProtectedParams.new(type: "Client")
params.permit!
person = Company.new(params)
assert_equal person.class, Client
end
def test_regular_hash_should_still_be_used_for_mass_assignment
person = Person.new(first_name: "Guille", gender: "m")
assert_equal "Guille", person.first_name
assert_equal "m", person.gender
end
def test_blank_attributes_should_not_raise
person = Person.new
assert_nil person.assign_attributes(ProtectedParams.new({}))
end
def test_create_with_checks_permitted
params = ProtectedParams.new(first_name: "Guille", gender: "m")
assert_raises(ActiveModel::ForbiddenAttributesError) do
Person.create_with(params).create!
end
end
def test_create_with_works_with_permitted_params
params = ProtectedParams.new(first_name: "Guille").permit!
person = Person.create_with(params).create!
assert_equal "Guille", person.first_name
end
def test_create_with_works_with_params_values
params = ProtectedParams.new(first_name: "Guille")
person = Person.create_with(first_name: params[:first_name]).create!
assert_equal "Guille", person.first_name
end
def test_where_checks_permitted
params = ProtectedParams.new(first_name: "Guille", gender: "m")
assert_raises(ActiveModel::ForbiddenAttributesError) do
Person.where(params).create!
end
end
def test_where_works_with_permitted_params
params = ProtectedParams.new(first_name: "Guille").permit!
person = Person.where(params).create!
assert_equal "Guille", person.first_name
end
def test_where_works_with_params_values
params = ProtectedParams.new(first_name: "Guille")
person = Person.where(first_name: params[:first_name]).create!
assert_equal "Guille", person.first_name
end
def test_where_not_checks_permitted
params = ProtectedParams.new(first_name: "Guille", gender: "m")
assert_raises(ActiveModel::ForbiddenAttributesError) do
Person.where().not(params)
end
end
def test_where_not_works_with_permitted_params
params = ProtectedParams.new(first_name: "Guille").permit!
Person.create!(params)
assert_empty Person.where.not(params).select { |p| p.first_name == "Guille" }
end
def test_strong_params_style_objects_work_with_singular_associations
params = ProtectedParams.new(name: "Stern", ship_attributes: ProtectedParams.new(name: "The Black Rock").permit!).permit!
part = ShipPart.new(params)
assert_equal "Stern", part.name
assert_equal "The Black Rock", part.ship.name
end
def test_strong_params_style_objects_work_with_collection_associations
params = ProtectedParams.new(
trinkets_attributes: ProtectedParams.new(
"0" => ProtectedParams.new(name: "Necklace").permit!,
"1" => ProtectedParams.new(name: "Spoon").permit!)).permit!
part = ShipPart.new(params)
assert_equal "Necklace", part.trinkets[0].name
assert_equal "Spoon", part.trinkets[1].name
end
end
|
