more tests, general cleanup

gluon/tests/test_dal.py

@@ -4,6 +4,7 @@
     Unit tests for gluon.dal
 """
 
+import os
 import unittest
 from fix_path import fix_sys_path
 
@@ -12,8 +13,15 @@ fix_sys_path(__file__)
 
 from gluon.dal import DAL, Field
 
+def tearDownModule():
+    try:
+        os.unlink('dummy.db')
+    except:
+        pass
+
 
 class TestDALSubclass(unittest.TestCase):
+
     def testRun(self):
         from gluon.serializers import custom_json, xml
         from gluon import sqlhtml
@@ -22,19 +30,26 @@ class TestDALSubclass(unittest.TestCase):
         self.assertEqual(db.serializers['xml'], xml)
         self.assertEqual(db.representers['rows_render'], sqlhtml.represent)
         self.assertEqual(db.representers['rows_xml'], sqlhtml.SQLTABLE)
+        db.close()
 
     def testSerialization(self):
         import pickle
         db = DAL(check_reserved=['all'])
         db.define_table('t_a', Field('f_a'))
         db.t_a.insert(f_a='test')
-        a = db(db.t_a.id>0).select(cacheable=True)
+        a = db(db.t_a.id > 0).select(cacheable=True)
         s = pickle.dumps(a)
         b = pickle.loads(s)
         self.assertEqual(a.db, b.db)
+        db.t_a.drop()
+        db.close()
 
 """ TODO:
 class TestDefaultValidators(unittest.TestCase):
     def testRun(self):
         pass
 """
+
+if __name__ == '__main__':
+    unittest.main()
+    tearDownModule()