Provide a way to clean up testing database

We will need to clean up stacks(hard delete) sometimes in the tests.
Resoure, ResourceData, and Event need to be cleaned up as well because
of the integrity constraints.

blueprint event-persistence

Change-Id: I355f7a9909eb3ad3febca62fdb57ecbaab73f2ce

diff --git a/heat/tests/utils.py b/heat/tests/utils.py
index 220ade0cc4d9a22437e249663a694fb2bc7083b1..8462e700be5395b5477b9cb57fe64619869b6036 100644 (file)
--- a/heat/tests/utils.py
+++ b/heat/tests/utils.py
@@ -15,6 +15,8 @@
 import sys
 import functools
 
+import sqlalchemy
+
 from heat.common import context
 from heat.common import exception
 from heat.engine import environment
@@ -91,7 +93,18 @@ def wr_delete_after(test_fn):
 def setup_dummy_db():
     migration.db_sync()
     engine = get_engine()
-    conn = engine.connect()
+    engine.connect()
+
+
+def reset_dummy_db():
+    engine = get_engine()
+    meta = sqlalchemy.MetaData()
+    meta.reflect(bind=engine)
+
+    for table in reversed(meta.sorted_tables):
+        if table.name == 'migrate_version':
+            continue
+        engine.execute(table.delete())
 
 
 def dummy_context(user='test_username', tenant_id='test_tenant_id',