Add test.

tests/test_job.py

@@ -58,6 +58,15 @@ class TestJob(RQTestCase):
         self.assertEquals(job.instance, c)
         self.assertEquals(job.args, (3, 4))
 
+    def test_create_job_from_string_function(self):
+        """Creation of jobs using string specifier."""
+        job = Job.create('tests.fixtures.say_hello', 'World')
+
+        # Job data is set
+        self.assertEquals(job.func, say_hello)
+        self.assertIsNone(job.instance)
+        self.assertEquals(job.args, ('World',))
+
     def test_save(self):  # noqa
         """Storing jobs."""
         job = Job.create(some_calculation, 3, 4, z=2)

tests/test_worker.py

@@ -25,6 +25,15 @@ class TestWorker(RQTestCase):
         self.assertEquals(w.work(burst=True), True,
                 'Expected at least some work done.')
 
+    def test_work_via_string_argument(self):
+        """Worker processes work fed via string arguments."""
+        q = Queue('foo')
+        w = Worker([q])
+        result = q.enqueue('tests.fixtures.say_hello', name='Frank')
+        self.assertEquals(w.work(burst=True), True,
+                'Expected at least some work done.')
+        self.assertEquals(result.return_value, 'Hi there, Frank!')
+
     def test_work_is_unreadable(self):
         """Unreadable jobs are put on the failed queue."""
         q = Queue()