aboutsummaryrefslogtreecommitdiffstats
path: root/activejob/lib/active_job/test_helper.rb
blob: d18656e398af14671c42dcc6374d88e8b74146dc (plain) (blame)
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
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
        @old_queue_adapter  = queue_adapter
        ActiveJob::Base.queue_adapter = :test
        clear_enqueued_jobs
        clear_performed_jobs
        super
      end

      def after_teardown
        super
        ActiveJob::Base.queue_adapter = @old_queue_adapter
      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 original_count + number, new_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
      def assert_performed_jobs(number)
        if block_given?
          original_count = performed_jobs.size
          perform_enqueued_jobs { yield }
          new_count = performed_jobs.size
          assert_equal original_count + number, new_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
      #
      # Note: This assertion is simply a shortcut for:
      #
      #   assert_performed_jobs 0, &block
      def assert_no_performed_jobs(&block)
        assert_performed_jobs 0, &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
      #   end
      def assert_enqueued_with(args = {}, &_block)
        original_enqueued_jobs = enqueued_jobs.dup
        clear_enqueued_jobs
        args.assert_valid_keys(:job, :args, :at, :queue)
        yield
        matching_job = enqueued_jobs.any? do |job|
          args.all? { |key, value| value == job[key] }
        end
        assert matching_job, "No enqueued job found with #{args}"
      ensure
        queue_adapter.enqueued_jobs = original_enqueued_jobs + enqueued_jobs
      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
      #   end
      def assert_performed_with(args = {}, &_block)
        original_performed_jobs = performed_jobs.dup
        clear_performed_jobs
        args.assert_valid_keys(:job, :args, :at, :queue)
        perform_enqueued_jobs { yield }
        matching_job = performed_jobs.any? do |job|
          args.all? { |key, value| value == job[key] }
        end
        assert matching_job, "No performed job found with #{args}"
      ensure
        queue_adapter.performed_jobs = original_performed_jobs + performed_jobs
      end

      def perform_enqueued_jobs
        @old_perform_enqueued_jobs = queue_adapter.perform_enqueued_jobs
        @old_perform_enqueued_at_jobs = queue_adapter.perform_enqueued_at_jobs
        queue_adapter.perform_enqueued_jobs = true
        queue_adapter.perform_enqueued_at_jobs = true
        yield
      ensure
        queue_adapter.perform_enqueued_jobs = @old_perform_enqueued_jobs
        queue_adapter.perform_enqueued_at_jobs = @old_perform_enqueued_at_jobs
      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
          enqueued_jobs.clear
        end

        def clear_performed_jobs
          performed_jobs.clear
        end

        def enqueued_jobs_size(only: nil)
          if only
            enqueued_jobs.select { |job| job[:job] == only }.size
          else
            enqueued_jobs.size
          end
        end
    end
  end
end