Make test cases more explicit

tests/fixtures.py

@@ -54,8 +54,7 @@ def create_file_after_timeout(path, timeout):
 
 
 def access_self():
-    job = get_current_job()
-    return job.id
+    assert get_current_job() is not None
 
 
 def echo(*args, **kwargs):

tests/test_job.py

@@ -4,17 +4,18 @@ from __future__ import (absolute_import, division, print_function,
 
 from datetime import datetime
 
-from rq.compat import as_text, PY2
+from tests import RQTestCase
+from tests.fixtures import (CallableObject, Number, access_self,
+                            long_running_job, say_hello, some_calculation)
+from tests.helpers import strip_microseconds
+
+from rq.compat import PY2, as_text
 from rq.exceptions import NoSuchJobError, UnpickleError
-from rq.job import get_current_job, Job
+from rq.job import Job, get_current_job
 from rq.queue import Queue
 from rq.registry import DeferredJobRegistry
 from rq.utils import utcformat
-
-from tests import RQTestCase
-from tests.fixtures import (access_self, CallableObject, Number, say_hello,
-                            some_calculation, long_running_job)
-from tests.helpers import strip_microseconds
+from rq.worker import Worker
 
 try:
     from cPickle import loads, dumps
@@ -291,25 +292,20 @@ class TestJob(RQTestCase):
         else:
             self.assertEqual(job.description, "tests.fixtures.say_hello('Lionel')")
 
-    def test_job_access_within_job_function(self):
-        """The current job is accessible within the job function."""
-        # Executing the job function from outside of RQ throws an exception
+    def test_job_access_outside_job_fails(self):
+        """The current job is accessible only within a job context."""
         self.assertIsNone(get_current_job())
 
-        # Executing the job function from within the job works (and in
-        # this case leads to the job ID being returned)
-        job = Job.create(func=access_self)
-        job.save()
-        id = job.perform()
-        self.assertEqual(job.id, id)
-        self.assertEqual(job.func, access_self)
+    def test_job_access_within_job_function(self):
+        """The current job is accessible within the job function."""
+        q = Queue()
+        q.enqueue(access_self)  # access_self calls get_current_job() and asserts
+        w = Worker([q])
+        w.work(burst=True)
 
-        # Ensure that get_current_job also works from within synchronous jobs
+    def test_job_access_within_synchronous_job_function(self):
         queue = Queue(async=False)
-        job = queue.enqueue(access_self)
-        id = job.perform()
-        self.assertEqual(job.id, id)
-        self.assertEqual(job.func, access_self)
+        queue.enqueue(access_self)
 
     def test_get_result_ttl(self):
         """Getting job result TTL."""