- fixed leakages of file handles

src/ZODB/Blobs/tests/basic.txt

@@ -159,3 +159,8 @@ modifying the ZODB_BLOB_TEMPDIR environment variable:
     1
     >>> shutil.rmtree(tempdir)
     >>> del os.environ['ZODB_BLOB_TEMPDIR']
+
+Some cleanup in this test is needed:
+
+    >>> import transaction
+    >>> transaction.get().abort()

src/ZODB/Blobs/tests/importexport.txt

@@ -85,11 +85,18 @@ Make sure our data exists:
     True
     >>> items1['blob2'].open().read() == items2['blob2'].open().read()
     True
+    >>> transaction.get().abort()
 
 Clean up our blob directory:
 
+    >>> base_storage1.close()
+    >>> base_storage2.close()
     >>> shutil.rmtree(blob_dir1)
     >>> shutil.rmtree(blob_dir2)
     >>> os.unlink(exportfile)
     >>> os.unlink(storagefile1)
+    >>> os.unlink(storagefile1+".index")
+    >>> os.unlink(storagefile1+".tmp")
     >>> os.unlink(storagefile2)
+    >>> os.unlink(storagefile2+".index")
+    >>> os.unlink(storagefile2+".tmp")

src/ZODB/Blobs/tests/packing.txt

@@ -30,7 +30,6 @@ Set up:
     >>> storagefile = mktemp()
     >>> blob_dir = mkdtemp()
 
-
 UNDOING
 =======
 
@@ -149,7 +148,11 @@ revision as well as the entire directory:
 Clean up our blob directory and database:
 
     >>> shutil.rmtree(blob_dir)
+    >>> base_storage.close()
     >>> os.unlink(storagefile)
+    >>> os.unlink(storagefile+".index")
+    >>> os.unlink(storagefile+".tmp")
+    >>> os.unlink(storagefile+".old")
 
 NON-UNDOING
 ===========

src/ZODB/Blobs/tests/test_config.py

@@ -12,6 +12,7 @@
 #
 ##############################################################################
 import tempfile, shutil, unittest
+import os
 
 from ZODB.tests.testConfig import ConfigTestBase
 from ZConfig import ConfigurationSyntaxError
@@ -55,8 +56,11 @@ class ZODBBlobConfigTest(BlobConfigTestBase):
               </blobstorage>
             </zodb>
             """ %(self.blob_dir, path))
+        os.unlink(path)
+        os.unlink(path+".index")
+        os.unlink(path+".tmp")
 
-    def test_blod_dir_needed(self):
+    def test_blob_dir_needed(self):
         self.assertRaises(ConfigurationSyntaxError,
                           self._test,
                           """