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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
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