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
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
|
require "spec_helper"
require "set"
describe Bunny::Queue, "#subscribe" do
let(:connection) do
c = Bunny.new(username: "bunny_gem", password: "bunny_password", vhost: "bunny_testbed")
c.start
c
end
after :each do
connection.close if connection.open?
end
context "with automatic acknowledgement mode" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "registers the consumer" do
delivered_keys = []
delivered_data = []
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", routing_key: queue_name)
sleep 0.7
expect(delivered_keys).to include(queue_name)
expect(delivered_data).to include("hello")
expect(ch.queue(queue_name, auto_delete: true, durable: false).message_count).to eq 0
ch.close
end
context "with a single consumer" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, auto_delete: true, durable: false)
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", routing_key: queue_name)
end
sleep 1.5
100.times do |i|
expect(delivery_tags).to include(i + 1)
end
expect(ch.queue(queue_name, auto_delete: true, durable: false).message_count).to eq 0
ch.close
end
end
context "with multiple consumers on the same channel" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, auto_delete: true, durable: false)
7.times do
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
end
sleep 1.0
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", routing_key: queue_name)
end
sleep 1.5
100.times do |i|
expect(delivery_tags).to include(i + 1)
end
expect(ch.queue(queue_name, auto_delete: true, durable: false).message_count).to eq 0
ch.close
end
end
end
context "with manual acknowledgement mode" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "register a consumer with manual acknowledgements mode" do
delivered_keys = []
delivered_data = []
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
q.subscribe(exclusive: false, manual_ack: true) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
ch.ack(delivery_info.delivery_tag)
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", routing_key: queue_name)
sleep 0.7
expect(delivered_keys).to include(queue_name)
expect(delivered_data).to include("hello")
expect(ch.queue(queue_name, auto_delete: true, durable: false).message_count).to eq 0
ch.close
end
end
ENV.fetch("RUNS", 20).to_i.times do |i|
context "with a queue that already has messages (take #{i})" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "registers the consumer" do
delivered_keys = []
delivered_data = []
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
x = ch.default_exchange
100.times do
x.publish("hello", routing_key: queue_name)
end
sleep 0.7
expect(q.message_count).to be > 50
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
end
t.abort_on_exception = true
sleep 0.5
expect(delivered_keys).to include(queue_name)
expect(delivered_data).to include("hello")
expect(ch.queue(queue_name, auto_delete: true, durable: false).message_count).to eq 0
ch.close
end
end
end # 20.times
context "after consumer pool has already been shut down" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "registers the consumer" do
delivered_keys = []
delivered_data = []
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name)
c1 = q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
end
c1.cancel
c2 = q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
c2.cancel
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivered_keys << delivery_info.routing_key
delivered_data << payload
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", routing_key: queue_name)
sleep 0.7
expect(delivered_keys).to include(queue_name)
expect(delivered_data).to include("hello")
expect(ch.queue(queue_name).message_count).to eq 0
ch.queue_delete(queue_name)
ch.close
end
end
context "with uncaught exceptions in delivery handler" do
context "and defined exception handler" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "uses exception handler" do
caught = nil
t = Thread.new do
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
ch.on_uncaught_exception do |e, consumer|
caught = e
end
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
raise RuntimeError.new(queue_name)
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
x.publish("hello", routing_key: queue_name)
sleep 0.5
expect(caught.message).to eq queue_name
ch.close
end
end
context "and default exception handler" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "uses exception handler" do
caughts = []
t = Thread.new do
allow(connection.logger).to receive(:error) { |x| caughts << x }
ch = connection.create_channel
q = ch.queue(queue_name, auto_delete: true, durable: false)
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
raise RuntimeError.new(queue_name)
end
end
t.abort_on_exception = true
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
5.times { x.publish("hello", routing_key: queue_name) }
sleep 1.5
expect(caughts.size).to eq(5)
ch.close
end
end
context "with a single consumer" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, auto_delete: true, durable: false)
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
sleep 0.5
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", routing_key: queue_name)
end
sleep 1.5
100.times do |i|
expect(delivery_tags).to include(i + 1)
end
expect(ch.queue(queue_name, auto_delete: true, durable: false).message_count).to eq 0
ch.close
end
end
context "with multiple consumers on the same channel" do
let(:queue_name) { "bunny.basic_consume#{rand}" }
it "provides delivery tag access" do
delivery_tags = SortedSet.new
cch = connection.create_channel
q = cch.queue(queue_name, auto_delete: true, durable: false)
7.times do
q.subscribe(exclusive: false, manual_ack: false) do |delivery_info, properties, payload|
delivery_tags << delivery_info.delivery_tag
end
end
sleep 1.0
ch = connection.create_channel
x = ch.default_exchange
100.times do
x.publish("hello", routing_key: queue_name)
end
sleep 1.5
100.times do |i|
expect(delivery_tags).to include(i + 1)
end
expect(ch.queue(queue_name, auto_delete: true, durable: false).message_count).to eq 0
ch.close
end
end
end
end # describe
|
