From e9a675d925778ef3ec6c38e235a71b25c1e3b344 Mon Sep 17 00:00:00 2001
From: Folker Bernitt <fbernitt@thoughtworks.com>
Date: Tue, 17 Mar 2015 11:03:06 +0100
Subject: Lock index on index_mail.

- Issue #330
---
 service/pixelated/adapter/search/__init__.py    |  5 ++-
 service/test/support/test_helper.py             |  8 +++-
 service/test/unit/adapter/search/test_search.py | 60 +++++++++++++++++++++++++
 3 files changed, 70 insertions(+), 3 deletions(-)
 create mode 100644 service/test/unit/adapter/search/test_search.py

diff --git a/service/pixelated/adapter/search/__init__.py b/service/pixelated/adapter/search/__init__.py
index 0b1a1034..f1828780 100644
--- a/service/pixelated/adapter/search/__init__.py
+++ b/service/pixelated/adapter/search/__init__.py
@@ -116,8 +116,9 @@ class SearchEngine(object):
         return FileIndex.create(storage, self._mail_schema(), indexname='mails')
 
     def index_mail(self, mail):
-        with self._index.writer() as writer:
-            self._index_mail(writer, mail)
+        with self._write_lock:
+            with self._index.writer() as writer:
+                self._index_mail(writer, mail)
 
     def _index_mail(self, writer, mail):
         mdict = mail.as_dict()
diff --git a/service/test/support/test_helper.py b/service/test/support/test_helper.py
index 54685008..0f42e433 100644
--- a/service/test/support/test_helper.py
+++ b/service/test/support/test_helper.py
@@ -16,7 +16,7 @@
 from datetime import datetime
 import io
 
-from pixelated.adapter.model.mail import InputMail
+from pixelated.adapter.model.mail import InputMail, PixelatedMail
 
 
 LEAP_FLAGS = ['\\Seen',
@@ -68,6 +68,12 @@ def leap_mail(uid=0, flags=LEAP_FLAGS, headers=None, extra_headers={}, mbox='INB
     return (fdoc, hdoc, bdoc)
 
 
+def pixelated_mail(uid=0, flags=LEAP_FLAGS, headers=None, extra_headers={}, mbox='INBOX', body='body', chash='chash'):
+    fdoc, hdoc, bdoc = leap_mail(uid, flags, headers, extra_headers, mbox, body, chash)
+
+    return PixelatedMail.from_soledad(fdoc, hdoc, bdoc)
+
+
 def input_mail():
     mail = InputMail()
     mail.fdoc = TestDoc({})
diff --git a/service/test/unit/adapter/search/test_search.py b/service/test/unit/adapter/search/test_search.py
new file mode 100644
index 00000000..9018d7c5
--- /dev/null
+++ b/service/test/unit/adapter/search/test_search.py
@@ -0,0 +1,60 @@
+#
+# Copyright (c) 2014 ThoughtWorks, Inc.
+#
+# Pixelated 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.
+#
+# Pixelated 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 Pixelated. If not, see <http://www.gnu.org/licenses/>.
+
+
+import unittest
+from mockito import *
+from pixelated.adapter.search import SearchEngine
+from tempdir import TempDir
+from test.support import test_helper
+
+INDEX_KEY = '\xde3?\x87\xff\xd9\xd3\x14\xf0\xa7>\x1f%C{\x16.\\\xae\x8c\x13\xa7\xfb\x04\xd4]+\x8d_\xed\xd1\x8d\x0bI' \
+    '\x8a\x0e\xa4tm\xab\xbf\xb4\xa5\x99\x00d\xd5w\x9f\x18\xbc\x1d\xd4_W\xd2\xb6\xe8H\x83\x1b\xd8\x9d\xad'
+
+
+class LockStub(object):
+    def __init__(self):
+        self.called = False
+
+    def __enter__(self):
+        self.called = True
+        return self
+
+    def __exit__(self, type, value, traceback):
+        return False
+
+
+class SearchEngineTest(unittest.TestCase):
+    def setUp(self):
+        self.tempdir = TempDir()
+        self.agent_home = self.tempdir.name
+
+    def tearDown(self):
+        self.tempdir.dissolve()
+
+    def test_index_mail_secured_by_lock(self):
+        # given
+        soledad_querier = mock()
+        lock_stub = LockStub()
+        when(soledad_querier).get_index_masterkey().thenReturn(INDEX_KEY)
+        se = SearchEngine(soledad_querier, self.agent_home)
+        se._write_lock = lock_stub
+
+        # when
+        se.index_mail(test_helper.pixelated_mail())
+
+        # then
+        self.assertTrue(lock_stub.called)
-- 
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