Test coverage for ActiveJob generator

railties/test/generators/job_generator_test.rb

+require 'generators/generators_test_helper'
+require 'rails/generators/job/job_generator'
+
+class JobGeneratorTest < Rails::Generators::TestCase
+  include GeneratorsTestHelper
+
+  def test_job_skeleton_is_created
+    run_generator ["refresh_counters"]
+    assert_file "app/jobs/refresh_counters_job.rb" do |job|
+      assert_match(/class RefreshCountersJob < ActiveJob::Base/, job)
+    end
+  end
+
+  def test_job_queue_param
+    run_generator ["refresh_counters", "--queue", "important"]
+    assert_file "app/jobs/refresh_counters_job.rb" do |job|
+      assert_match(/class RefreshCountersJob < ActiveJob::Base/, job)
+      assert_match(/queue_as :important/, job)
+    end
+  end
+
+  def test_job_namespace
+    run_generator ["admin/refresh_counters", "--queue", "admin"]
+    assert_file "app/jobs/admin/refresh_counters_job.rb" do |job|
+      assert_match(/class Admin::RefreshCountersJob < ActiveJob::Base/, job)
+      assert_match(/queue_as :admin/, job)
+    end
+  end
+end