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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
# frozen_string_literal: true
require 'test_helper'
module SerializationScopeTesting
class User < ActiveModelSerializers::Model
attributes :id, :name, :admin
def admin?
admin
end
end
class Comment < ActiveModelSerializers::Model
attributes :id, :body
end
class Post < ActiveModelSerializers::Model
attributes :id, :title, :body, :comments
end
class PostSerializer < ActiveModel::Serializer
attributes :id, :title, :body, :comments
def body
"The 'scope' is the 'current_user': #{scope == current_user}"
end
def comments
if current_user.admin?
[Comment.new(id: 1, body: 'Admin')]
else
[Comment.new(id: 2, body: 'Scoped')]
end
end
def json_key
'post'
end
end
class PostTestController < ActionController::Base
attr_writer :current_user
def render_post_by_non_admin
self.current_user = User.new(id: 3, name: 'Pete', admin: false)
render json: new_post, serializer: serializer, adapter: :json
end
def render_post_by_admin
self.current_user = User.new(id: 3, name: 'Pete', admin: true)
render json: new_post, serializer: serializer, adapter: :json
end
def current_user
defined?(@current_user) ? @current_user : :current_user_not_set
end
private
def new_post
Post.new(id: 4, title: 'Title')
end
def serializer
PostSerializer
end
end
class PostViewContextSerializer < PostSerializer
def body
"The 'scope' is the 'view_context': #{scope == view_context}"
end
def comments
if view_context.controller.current_user.admin?
[Comment.new(id: 1, body: 'Admin')]
else
[Comment.new(id: 2, body: 'Scoped')]
end
end
end
class DefaultScopeTest < ActionController::TestCase
tests PostTestController
def test_default_serialization_scope
assert_equal :current_user, @controller._serialization_scope
end
def test_default_serialization_scope_object
assert_equal :current_user_not_set, @controller.current_user
assert_equal :current_user_not_set, @controller.serialization_scope
end
def test_default_scope_non_admin
get :render_post_by_non_admin
expected_json = {
post: {
id: 4,
title: 'Title',
body: "The 'scope' is the 'current_user': true",
comments: [
{ id: 2, body: 'Scoped' }
]
}
}.to_json
assert_equal expected_json, @response.body
end
def test_default_scope_admin
get :render_post_by_admin
expected_json = {
post: {
id: 4,
title: 'Title',
body: "The 'scope' is the 'current_user': true",
comments: [
{ id: 1, body: 'Admin' }
]
}
}.to_json
assert_equal expected_json, @response.body
end
end
class SerializationScopeTest < ActionController::TestCase
class PostViewContextTestController < PostTestController
serialization_scope :view_context
private
def serializer
PostViewContextSerializer
end
end
tests PostViewContextTestController
def test_defined_serialization_scope
assert_equal :view_context, @controller._serialization_scope
end
def test_defined_serialization_scope_object
assert_equal @controller.view_context.controller, @controller.serialization_scope.controller
end
def test_serialization_scope_non_admin
get :render_post_by_non_admin
expected_json = {
post: {
id: 4,
title: 'Title',
body: "The 'scope' is the 'view_context': true",
comments: [
{ id: 2, body: 'Scoped' }
]
}
}.to_json
assert_equal expected_json, @response.body
end
def test_serialization_scope_admin
get :render_post_by_admin
expected_json = {
post: {
id: 4,
title: 'Title',
body: "The 'scope' is the 'view_context': true",
comments: [
{ id: 1, body: 'Admin' }
]
}
}.to_json
assert_equal expected_json, @response.body
end
end
class NilSerializationScopeTest < ActionController::TestCase
class PostViewContextTestController < ActionController::Base
serialization_scope nil
attr_accessor :current_user
def render_post_with_no_scope
self.current_user = User.new(id: 3, name: 'Pete', admin: false)
render json: new_post, serializer: PostSerializer, adapter: :json
end
def render_post_with_passed_in_scope
self.current_user = User.new(id: 3, name: 'Pete', admin: false)
render json: new_post, serializer: PostSerializer, adapter: :json, scope: current_user, scope_name: :current_user
end
def render_post_with_passed_in_scope_without_scope_name
self.current_user = User.new(id: 3, name: 'Pete', admin: false)
render json: new_post, serializer: PostSerializer, adapter: :json, scope: current_user
end
private
def new_post
Post.new(id: 4, title: 'Title')
end
end
tests PostViewContextTestController
def test_nil_serialization_scope
assert_nil @controller._serialization_scope
end
def test_nil_serialization_scope_object
assert_nil @controller.serialization_scope
end
def test_nil_scope
exception_matcher = /current_user/
exception = assert_raises(NameError) do
get :render_post_with_no_scope
end
assert_match exception_matcher, exception.message
end
def test_serialization_scope_is_and_nil_scope_passed_in_current_user
get :render_post_with_passed_in_scope
expected_json = {
post: {
id: 4,
title: 'Title',
body: "The 'scope' is the 'current_user': true",
comments: [
{ id: 2, body: 'Scoped' }
]
}
}.to_json
assert_equal expected_json, @response.body
end
def test_serialization_scope_is_nil_and_scope_passed_in_current_user_without_scope_name
exception_matcher = /current_user/
exception = assert_raises(NameError) do
get :render_post_with_passed_in_scope_without_scope_name
end
assert_match exception_matcher, exception.message
end
end
end
|
