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
|
require 'active_support/core_ext/class/subclasses'
require 'active_support/core_ext/hash/keys'
module ActiveJob
# Provides helper methods for testing Active Job
module TestHelper
extend ActiveSupport::Concern
included do
def before_setup # :nodoc:
test_adapter = ActiveJob::QueueAdapters::TestAdapter.new
@old_queue_adapters = (ActiveJob::Base.subclasses << ActiveJob::Base).select do |klass|
# only override explicitly set adapters, a quirk of `class_attribute`
klass.singleton_class.public_instance_methods(false).include?(:_queue_adapter)
end.map do |klass|
[klass, klass.queue_adapter].tap do
klass.queue_adapter = test_adapter
end
end
clear_enqueued_jobs
clear_performed_jobs
super
end
def after_teardown # :nodoc:
super
@old_queue_adapters.each do |(klass, adapter)|
klass.queue_adapter = adapter
end
end
# Asserts that the number of enqueued jobs matches the given number.
#
# def test_jobs
# assert_enqueued_jobs 0
# HelloJob.perform_later('david')
# assert_enqueued_jobs 1
# HelloJob.perform_later('abdelkader')
# assert_enqueued_jobs 2
# end
#
# If a block is passed, that block should cause the specified number of
# jobs to be enqueued.
#
# def test_jobs_again
# assert_enqueued_jobs 1 do
# HelloJob.perform_later('cristian')
# end
#
# assert_enqueued_jobs 2 do
# HelloJob.perform_later('aaron')
# HelloJob.perform_later('rafael')
# end
# end
#
# The number of times a specific job is enqueued can be asserted.
#
# def test_logging_job
# assert_enqueued_jobs 2, only: LoggingJob do
# LoggingJob.perform_later
# HelloJob.perform_later('jeremy')
# end
# end
def assert_enqueued_jobs(number, only: nil)
if block_given?
original_count = enqueued_jobs_size(only: only)
yield
new_count = enqueued_jobs_size(only: only)
assert_equal number, new_count - original_count, "#{number} jobs expected, but #{new_count - original_count} were enqueued"
else
actual_count = enqueued_jobs_size(only: only)
assert_equal number, actual_count, "#{number} jobs expected, but #{actual_count} were enqueued"
end
end
# Asserts that no jobs have been enqueued.
#
# def test_jobs
# assert_no_enqueued_jobs
# HelloJob.perform_later('jeremy')
# assert_enqueued_jobs 1
# end
#
# If a block is passed, that block should not cause any job to be enqueued.
#
# def test_jobs_again
# assert_no_enqueued_jobs do
# # No job should be enqueued from this block
# end
# end
#
# It can be asserted that no jobs of a specific kind are enqueued:
#
# def test_no_logging
# assert_no_enqueued_jobs only: LoggingJob do
# HelloJob.perform_later('jeremy')
# end
# end
#
# Note: This assertion is simply a shortcut for:
#
# assert_enqueued_jobs 0, &block
def assert_no_enqueued_jobs(only: nil, &block)
assert_enqueued_jobs 0, only: only, &block
end
# Asserts that the number of performed jobs matches the given number.
# If no block is passed, <tt>perform_enqueued_jobs</tt>
# must be called around the job call.
#
# def test_jobs
# assert_performed_jobs 0
#
# perform_enqueued_jobs do
# HelloJob.perform_later('xavier')
# end
# assert_performed_jobs 1
#
# perform_enqueued_jobs do
# HelloJob.perform_later('yves')
# assert_performed_jobs 2
# end
# end
#
# If a block is passed, that block should cause the specified number of
# jobs to be performed.
#
# def test_jobs_again
# assert_performed_jobs 1 do
# HelloJob.perform_later('robin')
# end
#
# assert_performed_jobs 2 do
# HelloJob.perform_later('carlos')
# HelloJob.perform_later('sean')
# end
# end
#
# The block form supports filtering. If the :only option is specified,
# then only the listed job(s) will be performed.
#
# def test_hello_job
# assert_performed_jobs 1, only: HelloJob do
# HelloJob.perform_later('jeremy')
# LoggingJob.perform_later
# end
# end
#
# An array may also be specified, to support testing multiple jobs.
#
# def test_hello_and_logging_jobs
# assert_nothing_raised do
# assert_performed_jobs 2, only: [HelloJob, LoggingJob] do
# HelloJob.perform_later('jeremy')
# LoggingJob.perform_later('stewie')
# RescueJob.perform_later('david')
# end
# end
# end
def assert_performed_jobs(number, only: nil)
if block_given?
original_count = performed_jobs.size
perform_enqueued_jobs(only: only) { yield }
new_count = performed_jobs.size
assert_equal number, new_count - original_count,
"#{number} jobs expected, but #{new_count - original_count} were performed"
else
performed_jobs_size = performed_jobs.size
assert_equal number, performed_jobs_size, "#{number} jobs expected, but #{performed_jobs_size} were performed"
end
end
# Asserts that no jobs have been performed.
#
# def test_jobs
# assert_no_performed_jobs
#
# perform_enqueued_jobs do
# HelloJob.perform_later('matthew')
# assert_performed_jobs 1
# end
# end
#
# If a block is passed, that block should not cause any job to be performed.
#
# def test_jobs_again
# assert_no_performed_jobs do
# # No job should be performed from this block
# end
# end
#
# The block form supports filtering. If the :only option is specified,
# then only the listed job(s) will be performed.
#
# def test_hello_job
# assert_performed_jobs 1, only: HelloJob do
# HelloJob.perform_later('jeremy')
# LoggingJob.perform_later
# end
# end
#
# An array may also be specified, to support testing multiple jobs.
#
# def test_hello_and_logging_jobs
# assert_nothing_raised do
# assert_performed_jobs 2, only: [HelloJob, LoggingJob] do
# HelloJob.perform_later('jeremy')
# LoggingJob.perform_later('stewie')
# RescueJob.perform_later('david')
# end
# end
# end
#
# Note: This assertion is simply a shortcut for:
#
# assert_performed_jobs 0, &block
def assert_no_performed_jobs(only: nil, &block)
assert_performed_jobs 0, only: only, &block
end
# Asserts that the job passed in the block has been enqueued with the given arguments.
#
# def test_assert_enqueued_with
# assert_enqueued_with(job: MyJob, args: [1,2,3], queue: 'low') do
# MyJob.perform_later(1,2,3)
# end
#
# assert_enqueued_with(job: MyJob, at: Date.tomorrow.noon) do
# MyJob.set(wait_until: Date.tomorrow.noon).perform_later
# end
# end
def assert_enqueued_with(args = {})
original_enqueued_jobs_count = enqueued_jobs.count
args.assert_valid_keys(:job, :args, :at, :queue)
serialized_args = serialize_args_for_assertion(args)
yield
in_block_jobs = enqueued_jobs.drop(original_enqueued_jobs_count)
matching_job = in_block_jobs.find do |job|
serialized_args.all? { |key, value| value == job[key] }
end
assert matching_job, "No enqueued job found with #{args}"
instantiate_job(matching_job)
end
# Asserts that the job passed in the block has been performed with the given arguments.
#
# def test_assert_performed_with
# assert_performed_with(job: MyJob, args: [1,2,3], queue: 'high') do
# MyJob.perform_later(1,2,3)
# end
#
# assert_performed_with(job: MyJob, at: Date.tomorrow.noon) do
# MyJob.set(wait_until: Date.tomorrow.noon).perform_later
# end
# end
def assert_performed_with(args = {})
original_performed_jobs_count = performed_jobs.count
args.assert_valid_keys(:job, :args, :at, :queue)
serialized_args = serialize_args_for_assertion(args)
perform_enqueued_jobs { yield }
in_block_jobs = performed_jobs.drop(original_performed_jobs_count)
matching_job = in_block_jobs.find do |job|
serialized_args.all? { |key, value| value == job[key] }
end
assert matching_job, "No performed job found with #{args}"
instantiate_job(matching_job)
end
def perform_enqueued_jobs(only: nil)
old_perform_enqueued_jobs = queue_adapter.perform_enqueued_jobs
old_perform_enqueued_at_jobs = queue_adapter.perform_enqueued_at_jobs
old_filter = queue_adapter.filter
begin
queue_adapter.perform_enqueued_jobs = true
queue_adapter.perform_enqueued_at_jobs = true
queue_adapter.filter = only
yield
ensure
queue_adapter.perform_enqueued_jobs = old_perform_enqueued_jobs
queue_adapter.perform_enqueued_at_jobs = old_perform_enqueued_at_jobs
queue_adapter.filter = old_filter
end
end
def queue_adapter
ActiveJob::Base.queue_adapter
end
delegate :enqueued_jobs, :enqueued_jobs=,
:performed_jobs, :performed_jobs=,
to: :queue_adapter
private
def clear_enqueued_jobs # :nodoc:
enqueued_jobs.clear
end
def clear_performed_jobs # :nodoc:
performed_jobs.clear
end
def enqueued_jobs_size(only: nil) # :nodoc:
if only
enqueued_jobs.count { |job| Array(only).include?(job.fetch(:job)) }
else
enqueued_jobs.count
end
end
def serialize_args_for_assertion(args) # :nodoc:
args.dup.tap do |serialized_args|
serialized_args[:args] = ActiveJob::Arguments.serialize(serialized_args[:args]) if serialized_args[:args]
serialized_args[:at] = serialized_args[:at].to_f if serialized_args[:at]
end
end
def instantiate_job(payload) # :nodoc:
job = payload[:job].new(*payload[:args])
job.scheduled_at = Time.at(payload[:at]) if payload.key?(:at)
job.queue_name = payload[:queue]
job
end
end
end
end
|
