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
|
# frozen_string_literal: true
require 'spec_helper'
describe Grape::Validations::Validators::ExactlyOneOfValidator do
let_it_be(:app) do
Class.new(Grape::API) do
rescue_from Grape::Exceptions::ValidationErrors do |e|
error!(e.errors.transform_keys! { |key| key.join(',') }, 400)
end
params do
optional :beer
optional :wine
optional :grapefruit
exactly_one_of :beer, :wine, :grapefruit
end
post do
end
params do
optional :beer
optional :wine
optional :grapefruit
optional :other
exactly_one_of :beer, :wine, :grapefruit
end
post 'mixed-params' do
end
params do
optional :beer
optional :wine
optional :grapefruit
exactly_one_of :beer, :wine, :grapefruit, message: 'you should choose one'
end
post '/custom-message' do
end
params do
requires :item, type: Hash do
optional :beer
optional :wine
optional :grapefruit
exactly_one_of :beer, :wine, :grapefruit
end
end
post '/nested-hash' do
end
params do
optional :item, type: Hash do
optional :beer
optional :wine
optional :grapefruit
exactly_one_of :beer, :wine, :grapefruit
end
end
post '/nested-optional-hash' do
end
params do
requires :items, type: Array do
optional :beer
optional :wine
optional :grapefruit
exactly_one_of :beer, :wine, :grapefruit
end
end
post '/nested-array' do
end
params do
requires :items, type: Array do
requires :nested_items, type: Array do
optional :beer, :wine, :grapefruit, type: Grape::API::Boolean
exactly_one_of :beer, :wine, :grapefruit
end
end
end
post '/deeply-nested-array' do
end
end
end
describe '#validate!' do
subject(:validate) { post path, params }
context 'when all params are present' do
let(:path) { '/' }
let(:params) { { beer: true, wine: true, grapefruit: true } }
it 'returns a validation error' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'beer,wine,grapefruit' => ['are mutually exclusive']
)
end
context 'mixed with other params' do
let(:path) { '/mixed-params' }
let(:params) { { beer: true, wine: true, grapefruit: true, other: true } }
it 'returns a validation error' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'beer,wine,grapefruit' => ['are mutually exclusive']
)
end
end
end
context 'when a subset of params are present' do
let(:path) { '/' }
let(:params) { { beer: true, grapefruit: true } }
it 'returns a validation error' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'beer,grapefruit' => ['are mutually exclusive']
)
end
end
context 'when custom message is specified' do
let(:path) { '/custom-message' }
let(:params) { { beer: true, wine: true } }
it 'returns a validation error' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'beer,wine' => ['you should choose one']
)
end
end
context 'when exacly one param is present' do
let(:path) { '/' }
let(:params) { { beer: true, somethingelse: true } }
it 'does not return a validation error' do
validate
expect(last_response.status).to eq 201
end
end
context 'when none of the params are present' do
let(:path) { '/' }
let(:params) { { somethingelse: true } }
it 'returns a validation error' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'beer,wine,grapefruit' => ['are missing, exactly one parameter must be provided']
)
end
end
context 'when params are nested inside required hash' do
let(:path) { '/nested-hash' }
let(:params) { { item: { beer: true, wine: true } } }
it 'returns a validation error with full names of the params' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'item[beer],item[wine]' => ['are mutually exclusive']
)
end
end
context 'when params are nested inside optional hash' do
let(:path) { '/nested-optional-hash' }
context 'when params are passed' do
let(:params) { { item: { beer: true, wine: true } } }
it 'returns a validation error with full names of the params' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'item[beer],item[wine]' => ['are mutually exclusive']
)
end
end
context 'when params are empty' do
let(:params) { { other: true } }
it 'does not return a validation error' do
validate
expect(last_response.status).to eq 201
end
end
end
context 'when params are nested inside array' do
let(:path) { '/nested-array' }
let(:params) { { items: [{ beer: true, wine: true }, { wine: true, grapefruit: true }] } }
it 'returns a validation error with full names of the params' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'items[0][beer],items[0][wine]' => [
'are mutually exclusive'
],
'items[1][wine],items[1][grapefruit]' => [
'are mutually exclusive'
]
)
end
end
context 'when params are deeply nested' do
let(:path) { '/deeply-nested-array' }
let(:params) { { items: [{ nested_items: [{ beer: true, wine: true }] }] } }
it 'returns a validation error with full names of the params' do
validate
expect(last_response.status).to eq 400
expect(JSON.parse(last_response.body)).to eq(
'items[0][nested_items][0][beer],items[0][nested_items][0][wine]' => [
'are mutually exclusive'
]
)
end
end
end
end
|
