More be-nice-to-the-buildbot: be better about cleaning up files created by the cache/session tests.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9224 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/cache/tests.py

@@ -9,7 +9,7 @@ import tempfile
 import time
 import unittest
 
-from django.core.cache import cache
+from django.core.cache import cache, get_cache
 from django.core.cache.backends.filebased import CacheClass as FileCache
 from django.http import HttpResponse
 from django.utils.cache import patch_vary_headers
@@ -23,51 +23,64 @@ class C:
         return 24
 
 class Cache(unittest.TestCase):
+    def setUp(self):
+        # Special-case the file cache so we can clean up after ourselves.
+        if isinstance(cache, FileCache):
+            self.cache_dir = tempfile.mkdtemp()
+            self.cache = get_cache("file:///%s" % self.cache_dir)
+        else:
+            self.cache_dir = None
+            self.cache = cache
+            
+    def tearDown(self):
+        if self.cache_dir is not None:
+            shutil.rmtree(self.cache_dir)
+    
     def test_simple(self):
         # simple set/get
-        cache.set("key", "value")
-        self.assertEqual(cache.get("key"), "value")
+        self.cache.set("key", "value")
+        self.assertEqual(self.cache.get("key"), "value")
 
     def test_add(self):
         # test add (only add if key isn't already in cache)
-        cache.add("addkey1", "value")
-        result = cache.add("addkey1", "newvalue")
+        self.cache.add("addkey1", "value")
+        result = self.cache.add("addkey1", "newvalue")
         self.assertEqual(result, False)
-        self.assertEqual(cache.get("addkey1"), "value")
+        self.assertEqual(self.cache.get("addkey1"), "value")
 
     def test_non_existent(self):
         # get with non-existent keys
-        self.assertEqual(cache.get("does_not_exist"), None)
-        self.assertEqual(cache.get("does_not_exist", "bang!"), "bang!")
+        self.assertEqual(self.cache.get("does_not_exist"), None)
+        self.assertEqual(self.cache.get("does_not_exist", "bang!"), "bang!")
 
     def test_get_many(self):
         # get_many
-        cache.set('a', 'a')
-        cache.set('b', 'b')
-        cache.set('c', 'c')
-        cache.set('d', 'd')
-        self.assertEqual(cache.get_many(['a', 'c', 'd']), {'a' : 'a', 'c' : 'c', 'd' : 'd'})
-        self.assertEqual(cache.get_many(['a', 'b', 'e']), {'a' : 'a', 'b' : 'b'})
+        self.cache.set('a', 'a')
+        self.cache.set('b', 'b')
+        self.cache.set('c', 'c')
+        self.cache.set('d', 'd')
+        self.assertEqual(self.cache.get_many(['a', 'c', 'd']), {'a' : 'a', 'c' : 'c', 'd' : 'd'})
+        self.assertEqual(self.cache.get_many(['a', 'b', 'e']), {'a' : 'a', 'b' : 'b'})
 
     def test_delete(self):
         # delete
-        cache.set("key1", "spam")
-        cache.set("key2", "eggs")
-        self.assertEqual(cache.get("key1"), "spam")
-        cache.delete("key1")
-        self.assertEqual(cache.get("key1"), None)
-        self.assertEqual(cache.get("key2"), "eggs")
+        self.cache.set("key1", "spam")
+        self.cache.set("key2", "eggs")
+        self.assertEqual(self.cache.get("key1"), "spam")
+        self.cache.delete("key1")
+        self.assertEqual(self.cache.get("key1"), None)
+        self.assertEqual(self.cache.get("key2"), "eggs")
 
     def test_has_key(self):
         # has_key
-        cache.set("hello1", "goodbye1")
-        self.assertEqual(cache.has_key("hello1"), True)
-        self.assertEqual(cache.has_key("goodbye1"), False)
+        self.cache.set("hello1", "goodbye1")
+        self.assertEqual(self.cache.has_key("hello1"), True)
+        self.assertEqual(self.cache.has_key("goodbye1"), False)
 
     def test_in(self):
-        cache.set("hello2", "goodbye2")
-        self.assertEqual("hello2" in cache, True)
-        self.assertEqual("goodbye2" in cache, False)
+        self.cache.set("hello2", "goodbye2")
+        self.assertEqual("hello2" in self.cache, True)
+        self.assertEqual("goodbye2" in self.cache, False)
 
     def test_data_types(self):
         stuff = {
@@ -79,20 +92,20 @@ class Cache(unittest.TestCase):
             'function'  : f,
             'class'     : C,
         }
-        cache.set("stuff", stuff)
-        self.assertEqual(cache.get("stuff"), stuff)
+        self.cache.set("stuff", stuff)
+        self.assertEqual(self.cache.get("stuff"), stuff)
 
     def test_expiration(self):
-        cache.set('expire1', 'very quickly', 1)
-        cache.set('expire2', 'very quickly', 1)
-        cache.set('expire3', 'very quickly', 1)
+        self.cache.set('expire1', 'very quickly', 1)
+        self.cache.set('expire2', 'very quickly', 1)
+        self.cache.set('expire3', 'very quickly', 1)
 
         time.sleep(2)
-        self.assertEqual(cache.get("expire1"), None)
+        self.assertEqual(self.cache.get("expire1"), None)
 
-        cache.add("expire2", "newvalue")
-        self.assertEqual(cache.get("expire2"), "newvalue")
-        self.assertEqual(cache.has_key("expire3"), False)
+        self.cache.add("expire2", "newvalue")
+        self.assertEqual(self.cache.get("expire2"), "newvalue")
+        self.assertEqual(self.cache.has_key("expire3"), False)
 
     def test_unicode(self):
         stuff = {
@@ -102,8 +115,8 @@ class Cache(unittest.TestCase):
             u'ascii': {u'x' : 1 }
             }
         for (key, value) in stuff.items():
-            cache.set(key, value)
-            self.assertEqual(cache.get(key), value)
+            self.cache.set(key, value)
+            self.assertEqual(self.cache.get(key), value)
 
 
 class FileBasedCacheTests(unittest.TestCase):
@@ -111,8 +124,7 @@ class FileBasedCacheTests(unittest.TestCase):
     Specific test cases for the file-based cache.
     """
     def setUp(self):
-        self.dirname = tempfile.mktemp()
-        os.mkdir(self.dirname)
+        self.dirname = tempfile.mkdtemp()
         self.cache = FileCache(self.dirname, {})
 
     def tearDown(self):