make @usedb work correctly

test/fixture/base.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+import re
 import unittest
 
 from nose.tools import raises, eq_
@@ -18,15 +19,13 @@ class Base(unittest.TestCase):
         """Compares two strings that should be\
         identical except for whitespace
         """
-        def createLines(s):
-            s = s.replace(' ', '')
-            lines = s.split('\n')
-            return filter(None, lines)
-        lines1 = createLines(v1)
-        lines2 = createLines(v2)
-        self.assertEquals(len(lines1), len(lines2))
-        for line1, line2 in zip(lines1, lines2):
-            self.assertEquals(line1, line2)
+        def strip_whitespace(s):
+            return re.sub(r'\s', '', s)
+
+        line1 = strip_whitespace(v1)
+        line2 = strip_whitespace(v2)
+
+        self.assertEquals(line1, line2, "%s != %s" % (v1, v2))
 
     def ignoreErrors(self, func, *p,**k):
         """Call a function, ignoring any exceptions"""

test/fixture/database.py

@@ -68,15 +68,12 @@ def usedb(supported=None, not_supported=None):
 
     my_urls = [url for url in urls if is_supported(url, supported, not_supported)]
 
-    def dec(func):
-        def entangle(self):
-            for url in my_urls:
-                self._setup(url)
-                yield func, self
-                self._teardown()
-        entangle.__name__ = func.__name__
-        entangle.__doc__ = func.__doc__
-        return entangle
+    @decorator
+    def dec(f, self, *a, **kw):
+        for url in my_urls:
+            self._setup(url)
+            f(self, *a, **kw)
+            self._teardown()
     return dec
 
 
@@ -88,7 +85,7 @@ class DB(Base):
 
     level = TXN
 
-    def _engineInfo(self,url=None):
+    def _engineInfo(self, url=None):
         if url is None: 
             url = self.url
         return url
@@ -99,7 +96,7 @@ class DB(Base):
     def _teardown(self):
         self._disconnect()
     
-    def _connect(self,url):
+    def _connect(self, url):
         self.url = url
         self.engine = engines[url]
         self.meta = MetaData(bind=self.engine)

test/versioning/test_script.py

@@ -9,7 +9,7 @@ from migrate.versioning import exceptions, version
 from test import fixture
 
 
-class TestPyScript(fixture.Pathed):
+class TestPyScript(fixture.Pathed, fixture.DB):
     cls = PythonScript
     def test_create(self):
         """We can create a migration script"""