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
|
# frozen_string_literal: true
require 'rails_helper'
describe FetchOEmbedService, type: :service do
subject { described_class.new }
before do
stub_request(:get, 'https://host.test/provider.json').to_return(status: 404)
stub_request(:get, 'https://host.test/provider.xml').to_return(status: 404)
stub_request(:get, 'https://host.test/empty_provider.json').to_return(status: 200)
end
describe 'discover_provider' do
context 'when status code is 200 and MIME type is text/html' do
context 'when OEmbed endpoint contains URL as parameter' do
before do
stub_request(:get, 'https://www.youtube.com/watch?v=IPSbNdBmWKE').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_youtube.html')
)
stub_request(:get, 'https://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DIPSbNdBmWKE').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_json_empty.html')
)
end
it 'returns new OEmbed::Provider for JSON provider' do
subject.call('https://www.youtube.com/watch?v=IPSbNdBmWKE')
expect(subject.endpoint_url).to eq 'https://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DIPSbNdBmWKE'
expect(subject.format).to eq :json
end
it 'stores URL template' do
subject.call('https://www.youtube.com/watch?v=IPSbNdBmWKE')
expect(Rails.cache.read('oembed_endpoint:www.youtube.com')[:endpoint]).to eq 'https://www.youtube.com/oembed?format=json&url={url}'
end
end
context 'Both of JSON and XML provider are discoverable' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_json_xml.html')
)
end
it 'returns new OEmbed::Provider for JSON provider if :format option is set to :json' do
subject.call('https://host.test/oembed.html', format: :json)
expect(subject.endpoint_url).to eq 'https://host.test/provider.json'
expect(subject.format).to eq :json
end
it 'returns new OEmbed::Provider for XML provider if :format option is set to :xml' do
subject.call('https://host.test/oembed.html', format: :xml)
expect(subject.endpoint_url).to eq 'https://host.test/provider.xml'
expect(subject.format).to eq :xml
end
it 'does not cache OEmbed endpoint' do
subject.call('https://host.test/oembed.html', format: :xml)
expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false
end
end
context 'JSON provider is discoverable while XML provider is not' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_json.html')
)
end
it 'returns new OEmbed::Provider for JSON provider' do
subject.call('https://host.test/oembed.html')
expect(subject.endpoint_url).to eq 'https://host.test/provider.json'
expect(subject.format).to eq :json
end
it 'does not cache OEmbed endpoint' do
subject.call('https://host.test/oembed.html')
expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false
end
end
context 'XML provider is discoverable while JSON provider is not' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_xml.html')
)
end
it 'returns new OEmbed::Provider for XML provider' do
subject.call('https://host.test/oembed.html')
expect(subject.endpoint_url).to eq 'https://host.test/provider.xml'
expect(subject.format).to eq :xml
end
it 'does not cache OEmbed endpoint' do
subject.call('https://host.test/oembed.html')
expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false
end
end
context 'Invalid XML provider is discoverable while JSON provider is not' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_invalid_xml.html')
)
end
it 'returns nil' do
expect(subject.call('https://host.test/oembed.html')).to be_nil
end
end
context 'Neither of JSON and XML provider is discoverable' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_undiscoverable.html')
)
end
it 'returns nil' do
expect(subject.call('https://host.test/oembed.html')).to be_nil
end
end
context 'Empty JSON provider is discoverable' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_json_empty.html')
)
end
it 'returns new OEmbed::Provider for JSON provider' do
subject.call('https://host.test/oembed.html')
expect(subject.endpoint_url).to eq 'https://host.test/empty_provider.json'
expect(subject.format).to eq :json
end
end
end
context 'when endpoint is cached' do
before do
stub_request(:get, 'http://www.youtube.com/oembed?format=json&url=https://www.youtube.com/watch?v=dqwpQarrDwk').to_return(
status: 200,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_json_empty.html')
)
end
it 'returns new provider without fetching original URL first' do
subject.call('https://www.youtube.com/watch?v=dqwpQarrDwk', cached_endpoint: { endpoint: 'http://www.youtube.com/oembed?format=json&url={url}', format: :json })
expect(a_request(:get, 'https://www.youtube.com/watch?v=dqwpQarrDwk')).to_not have_been_made
expect(subject.endpoint_url).to eq 'http://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdqwpQarrDwk'
expect(subject.format).to eq :json
expect(a_request(:get, 'http://www.youtube.com/oembed?format=json&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdqwpQarrDwk')).to have_been_made
end
end
context 'when status code is not 200' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 400,
headers: { 'Content-Type': 'text/html' },
body: request_fixture('oembed_xml.html')
)
end
it 'returns nil' do
expect(subject.call('https://host.test/oembed.html')).to be_nil
end
end
context 'when MIME type is not text/html' do
before do
stub_request(:get, 'https://host.test/oembed.html').to_return(
status: 200,
body: request_fixture('oembed_xml.html')
)
end
it 'returns nil' do
expect(subject.call('https://host.test/oembed.html')).to be_nil
end
end
end
end
|
