Test cleanup.

Tests pass or fail gracefully on older PostgreSQL versions.

If unittest2 is available, skip tests instead of printing warnings.

1 files changed, 46 insertions, 0 deletions

diff --git a/tests/testutils.py b/tests/testutils.py
new file mode 100644
index 0000000..c047827
--- /dev/null
+++ b/tests/testutils.py
@@ -0,0 +1,46 @@
+# Utility module for psycopg2 testing.
+# 
+# Copyright (C) 2010 Daniele Varrazzo <daniele.varrazzo@gmail.com>
+
+# Use unittest2 if available. Otherwise mock a skip facility with warnings.
+
+try:
+    import unittest2
+    unittest = unittest2
+except ImportError:
+    import unittest
+    unittest2 = None
+
+if hasattr(unittest, 'skipIf'):
+    from unittest2 import skip, skipIf
+
+else:
+    import warnings
+
+    def skipIf(cond, msg):
+        def skipIf_(f):
+            def skipIf__(self):
+                if cond:
+                    warnings.warn(msg)
+                    return
+                else:
+                    return f(self)
+            return skipIf__
+        return skipIf_
+
+    def skip(msg):
+        return skipIf(True, msg)
+
+    def skipTest(self, msg):
+        warnings.warn(msg)
+        return
+
+    unittest.TestCase.skipTest = skipTest
+
+
+def decorate_all_tests(cls, decorator):
+    """Apply *decorator* to all the tests defined in the TestCase *cls*."""
+    for n in dir(cls):
+        if n.startswith('test'):
+            setattr(cls, n, decorator(getattr(cls, n)))
+