Change: use uuid4 for ids

1 files changed, 10 insertions, 3 deletions

diff --git a/test-persistence b/test-persistence
index 1b5b836..194cecb 100755
--- a/test-persistence
+++ b/test-persistence
@@ -16,11 +16,16 @@
 
 import os
 import sys
+import uuid
 
 
 import muck
 
 
+def create_id():
+    return str(uuid.uuid4())
+
+
 def changes(n):
     res = {
         'foo': 'bar',
@@ -28,8 +33,8 @@ def changes(n):
     
     for i in range(n):
         meta = {
-            'id': 'id-{}'.format(i),
-            'rev': 'rev-{}'.format(i),
+            'id': create_id(),
+            'rev': create_id(),
         }
         chg = muck.CreateChange(meta=meta, res=res)
         yield chg
@@ -56,7 +61,9 @@ def compare_dicts(d1, d2):
 store_dir = sys.argv[1]
 n = int(sys.argv[2])
 
-os.mkdir(store_dir)
+if not os.path.exists(store_dir):
+    os.mkdir(store_dir)
+
 st = muck.Store(store_dir)
 for i, chg in enumerate(changes(n)):
     st.change(chg)