more extensive unittesting for the transaction framework.

src/ZODB/tests/testTransaction.py

-"""High-level tests of the transaction interface"""
-
-import os
-import tempfile
-import unittest
-
-import ZODB
-from ZODB.DB import DB
-from ZODB.FileStorage import FileStorage
-from ZODB.tests.MinPO import MinPO
-
-class TransactionTestBase(unittest.TestCase):
-
-    def setUp(self):
-        self.fs_path = tempfile.mktemp()
-        self.fs = FileStorage(self.fs_path)
-        db = DB(self.fs)
-        conn = db.open()
-        self.root = conn.root()
-
-    def tearDown(self):
-        self.fs.close()
-        for ext in '', '.index', '.lock', '.tmp':
-            path = self.fs_path + ext
-            if os.path.exists(path):
-                os.unlink(path)
-
-class BasicTests:
-
-    def checkSingleCommit(self, subtrans=None):
-        self.root["a"] = MinPO("a")
-        get_transaction().commit(subtrans)
-        assert self.root["a"].value == "a"
-
-    def checkMultipleCommits(self, subtrans=None):
-        a = self.root["a"] = MinPO("a")
-        get_transaction().commit(subtrans)
-        a.extra_attr = MinPO("b")
-        get_transaction().commit(subtrans)
-        del a
-        assert self.root["a"].value == "a"
-        assert self.root["a"].extra_attr == MinPO("b")
-
-    def checkCommitAndAbort(self, subtrans=None):
-        a = self.root["a"] = MinPO("a")
-        get_transaction().commit(subtrans)
-        a.extra_attr = MinPO("b")
-        get_transaction().abort()
-        del a
-        if subtrans:
-            assert not self.root.has_key("a")
-        else:
-            assert self.root["a"].value == "a"
-            assert not hasattr(self.root["a"], 'extra_attr')
-
-class SubtransTests:
-
-    def wrap_test(self, klass, meth_name):
-        obj = klass()
-        obj.root = self.root
-        meth = getattr(obj, meth_name)
-        meth(1)
-        get_transaction().commit() 
-                            
-    checkSubSingleCommit = lambda self:\
-                           self.wrap_test(BasicTests, "checkSingleCommit")
-
-    checkSubMultipleCommits = lambda self:\
-                              self.wrap_test(BasicTests,
-                                             "checkMultipleCommits")
-
-    checkSubCommitAndAbort = lambda self:\
-                             self.wrap_test(BasicTests,
-                                            "checkCommitAndAbort")
-
-class AllTests(TransactionTestBase, BasicTests, SubtransTests):
-    pass
-
-def test_suite():
-    return unittest.makeSuite(AllTests, 'check')
-
-def main():
-    tests = test_suite()
-    runner = unittest.TextTestRunner()
-    runner.run(tests)
-
-if __name__ == "__main__":
-    main()