diff --git a/test/test_jobs_job.rb b/test/test_jobs_job.rb
new file mode 100644
index 0000000..aa208d3
--- /dev/null
+++ b/test/test_jobs_job.rb
@@ -0,0 +1,94 @@
+require 'minitest/autorun'
+require 'prism'
+require 'tmpdir'
+require 'fileutils'
+
+class WelcomeEmailJob < Prism::Jobs::Job
+  queue_as :mailers
+  retry_on max_attempts: 7, backoff: :linear, base_delay: 5
+
+  def self.sent_to
+    @sent_to ||= []
+  end
+
+  def perform(user_id)
+    self.class.sent_to << user_id
+  end
+end
+
+class PlainJob < Prism::Jobs::Job
+  def self.ran
+    @ran ||= false
+  end
+
+  def self.reset!
+    @ran = false
+  end
+
+  def perform
+    self.class.instance_variable_set(:@ran, true)
+  end
+end
+
+class JobTest < Minitest::Test
+  def setup
+    @dir = Dir.mktmpdir('prism-jobs-job')
+    @queue = Prism::Jobs::Queue.new(File.join(@dir, 'jobs.pstore'))
+    Prism::Jobs.default_queue = @queue
+    WelcomeEmailJob.sent_to.clear
+    PlainJob.reset!
+  end
+
+  def teardown
+    FileUtils.remove_entry(@dir)
+  end
+
+  def test_perform_now_runs_synchronously_without_touching_the_queue
+    WelcomeEmailJob.perform_now(101)
+
+    assert_equal [101], WelcomeEmailJob.sent_to
+    assert_equal 0, @queue.size
+  end
+
+  def test_perform_later_enqueues_with_the_declared_queue_and_retry_policy
+    WelcomeEmailJob.perform_later(202)
+
+    job = @queue.pending_jobs.first
+    assert_equal 'WelcomeEmailJob', job[:job_class]
+    assert_equal [202], job[:args]
+    assert_equal 'mailers', job[:queue_name]
+    assert_equal 7, job[:max_attempts]
+    assert_equal({ strategy: :linear, base_delay: 5 }, job[:backoff])
+    assert_empty WelcomeEmailJob.sent_to
+  end
+
+  def test_perform_later_can_override_the_declared_queue
+    WelcomeEmailJob.perform_later(303, queue: 'urgent_mailers')
+
+    assert_equal 'urgent_mailers', @queue.pending_jobs.first[:queue_name]
+  end
+
+  def test_perform_later_honors_an_explicit_run_at
+    future = Time.now + 3600
+    WelcomeEmailJob.perform_later(404, run_at: future)
+
+    assert_nil @queue.next_ready
+    job = @queue.pending_jobs.first
+    assert_in_delta future.to_f, job[:run_at].to_f, 1.0
+  end
+
+  def test_job_without_queue_as_or_retry_on_uses_sane_defaults
+    PlainJob.perform_later
+
+    job = @queue.pending_jobs.first
+    assert_equal 'default', job[:queue_name]
+    assert_equal 5, job[:max_attempts]
+  end
+
+  def test_enqueued_jobs_actually_run_through_a_worker
+    WelcomeEmailJob.perform_later(505)
+    Prism::Jobs::Worker.new(@queue).work_off
+
+    assert_equal [505], WelcomeEmailJob.sent_to
+  end
+end