Replace the Calculator fixture by a Number fixture.

This makes the tests a little more realistic, since I want to add a test
for class methods.

tests/fixtures.py

@@ -49,13 +49,16 @@ def access_self():
     return job.id
 
 
-class Calculator(object):
-    """Test instance methods."""
-    def __init__(self, denominator):
-        self.denominator = denominator
+class Number(object):
+    def __init__(self, value):
+        self.value = value
 
-    def calculate(self, x, y):
-        return x * y / self.denominator
+    @classmethod
+    def divide(cls, x, y):
+        return x * y
+
+    def div(self, y):
+        return self.value / y
 
 
 with Connection():

tests/test_job.py

@@ -1,7 +1,7 @@
 import times
 from datetime import datetime
 from tests import RQTestCase
-from tests.fixtures import Calculator, some_calculation, say_hello, access_self
+from tests.fixtures import Number, some_calculation, say_hello, access_self
 from tests.helpers import strip_milliseconds
 from cPickle import loads
 from rq.job import Job, get_current_job
@@ -51,13 +51,13 @@ class TestJob(RQTestCase):
 
     def test_create_instance_method_job(self):
         """Creation of jobs for instance methods."""
-        c = Calculator(2)
-        job = Job.create(func=c.calculate, args=(3, 4))
+        n = Number(2)
+        job = Job.create(func=n.div, args=(4,))
 
         # Job data is set
-        self.assertEquals(job.func, c.calculate)
-        self.assertEquals(job.instance, c)
-        self.assertEquals(job.args, (3, 4))
+        self.assertEquals(job.func, n.div)
+        self.assertEquals(job.instance, n)
+        self.assertEquals(job.args, (4,))
 
     def test_create_job_from_string_function(self):
         """Creation of jobs using string specifier."""

tests/test_queue.py

@@ -1,5 +1,5 @@
 from tests import RQTestCase
-from tests.fixtures import Calculator, div_by_zero, say_hello, some_calculation
+from tests.fixtures import Number, div_by_zero, say_hello, some_calculation
 from rq import Queue, get_failed_queue
 from rq.job import Job, Status
 from rq.exceptions import InvalidJobOperationError
@@ -161,14 +161,14 @@ class TestQueue(RQTestCase):
     def test_dequeue_instance_method(self):
         """Dequeueing instance method jobs from queues."""
         q = Queue()
-        c = Calculator(2)
-        result = q.enqueue(c.calculate, 3, 4)
+        n = Number(2)
+        q.enqueue(n.div, 4)
 
         job = q.dequeue()
         # The instance has been pickled and unpickled, so it is now a separate
         # object. Test for equality using each object's __dict__ instead.
-        self.assertEquals(job.instance.__dict__, c.__dict__)
-        self.assertEquals(job.func.__name__, 'calculate')
+        self.assertEquals(job.instance.__dict__, Number.__dict__)
+        self.assertEquals(job.func.__name__, 'divide')
         self.assertEquals(job.args, (3, 4))
 
     def test_dequeue_ignores_nonexisting_jobs(self):