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-rw-r--r--lib/sqlalchemy/test/testing.py17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/sqlalchemy/test/testing.py b/lib/sqlalchemy/test/testing.py
index 771b8c90f..70ddc7ba2 100644
--- a/lib/sqlalchemy/test/testing.py
+++ b/lib/sqlalchemy/test/testing.py
@@ -546,6 +546,23 @@ def fixture(table, columns, *rows):
for column_values in rows])
table.append_ddl_listener('after-create', onload)
+def provide_metadata(fn):
+ """Provides a bound MetaData object for a single test,
+ drops it afterwards."""
+ def maybe(*args, **kw):
+ metadata = schema.MetaData(db)
+ context = dict(fn.func_globals)
+ context['metadata'] = metadata
+ # jython bug #1034
+ rebound = types.FunctionType(
+ fn.func_code, context, fn.func_name, fn.func_defaults,
+ fn.func_closure)
+ try:
+ return rebound(*args, **kw)
+ finally:
+ metadata.drop_all()
+ return function_named(maybe, fn.__name__)
+
def resolve_artifact_names(fn):
"""Decorator, augment function globals with tables and classes.