From 4f0f9d7cefe096d7f516e6c289e232a5507050b5 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sat, 20 Oct 2018 11:58:23 +0300
Subject: Add: test-persistence

---
 test-persistence | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100755 test-persistence

diff --git a/test-persistence b/test-persistence
new file mode 100755
index 0000000..1b5b836
--- /dev/null
+++ b/test-persistence
@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+# Copyright (C) 2018  Lars Wirzenius
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import os
+import sys
+
+
+import muck
+
+
+def changes(n):
+    res = {
+        'foo': 'bar',
+    }
+    
+    for i in range(n):
+        meta = {
+            'id': 'id-{}'.format(i),
+            'rev': 'rev-{}'.format(i),
+        }
+        chg = muck.CreateChange(meta=meta, res=res)
+        yield chg
+
+
+def compare_dicts(d1, d2):
+    for key in d1:
+        if key not in d2:
+            return 'Missing key: {}'.format(key)
+
+    for key in d2:
+        if key not in d1:
+            return 'Extra key: {}'.format(key)
+
+    for key in d1:
+        v1 = d1[key]
+        v2 = d2[key]
+        if v1 != v2:
+            return 'Different values: {}: {} vs {}'.format(key, v1, v2)
+
+    return None
+
+
+store_dir = sys.argv[1]
+n = int(sys.argv[2])
+
+os.mkdir(store_dir)
+st = muck.Store(store_dir)
+for i, chg in enumerate(changes(n)):
+    st.change(chg)
+
+    st2 = muck.Store(store_dir)
+    ms = st.get_memory_store()
+    ms2 = st2.get_memory_store()
+    err = compare_dicts(ms.as_dict(), ms2.as_dict())
+    if err:
+        sys.stderr.write('ERROR: {}: {}\n'.format(i+1, err))
+        sys.exit(1)
+
+sys.stdout.write('OK\n')
-- 
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