From 8432c0e8f31a683b13419dc591edca49933d1f81 Mon Sep 17 00:00:00 2001
From: Adam Kocoloski <kocolosk@apache.org>
Date: Tue, 18 Jan 2011 00:42:36 +0000
Subject: Avoid bug in rev tree logic during attachment uploads

This is a workaround for a bug in couch_key_tree, described in
COUCHDB-902, which would cause uploads to fail with spurious conflicts.
A patch for the key tree itself will be landing on trunk.

Thanks Bob Dionne, Klaus Trainer.

git-svn-id: https://svn.apache.org/repos/asf/couchdb/branches/1.0.x@1060149 13f79535-47bb-0310-9956-ffa450edef68
---
 share/www/script/couch_tests.js               |  1 +
 share/www/script/test/attachment_conflicts.js | 56 +++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 share/www/script/test/attachment_conflicts.js

(limited to 'share/www')

diff --git a/share/www/script/couch_tests.js b/share/www/script/couch_tests.js
index c5257ea6..896b3538 100644
--- a/share/www/script/couch_tests.js
+++ b/share/www/script/couch_tests.js
@@ -32,6 +32,7 @@ loadTest("basics.js");
 loadTest("all_docs.js");
 loadTest("attachments.js");
 loadTest("attachments_multipart.js");
+loadTest("attachment_conflicts.js");
 loadTest("attachment_names.js");
 loadTest("attachment_paths.js");
 loadTest("attachment_views.js");
diff --git a/share/www/script/test/attachment_conflicts.js b/share/www/script/test/attachment_conflicts.js
new file mode 100644
index 00000000..c400277e
--- /dev/null
+++ b/share/www/script/test/attachment_conflicts.js
@@ -0,0 +1,56 @@
+// Licensed under the Apache License, Version 2.0 (the "License"); you may not
+// use this file except in compliance with the License. You may obtain a copy of
+// the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// License for the specific language governing permissions and limitations under
+// the License.
+
+// Do some edit conflict detection tests for attachments.
+couchTests.attachment_conflicts = function(debug) {
+
+  var dbA = new CouchDB("test_suite_db_a", {"X-Couch-Full-Commit":"false"});
+  var dbB = new CouchDB("test_suite_db_b", {"X-Couch-Full-Commit":"false"});
+  dbA.deleteDb();
+  dbA.createDb();
+  dbB.deleteDb();
+  dbB.createDb();
+
+  if (debug) debugger;
+
+  T(dbA.save({"_id":"doc", "foo":"bar"}).ok);
+
+  // create conflict
+  T(CouchDB.replicate("test_suite_db_a", "test_suite_db_b").ok);
+
+  var doc = dbA.open("doc");
+  var rev11 = doc._rev;
+    T(dbA.save({"_id":"doc", "foo":"bar2","_rev":rev11}).ok);
+
+  doc = dbB.open("doc");
+  var rev12 = doc._rev;
+    T(dbB.save({"_id":"doc", "foo":"bar3","_rev":rev12}).ok);
+
+  T(CouchDB.replicate("test_suite_db_a", "test_suite_db_b").ok);
+
+  // the attachment
+  var bin_data = "JHAPDO*AU£PN ){(3u[d 93DQ9¡€])}    ææøo'∂ƒæ≤çæππ•¥∫¶®#†π¶®¥π€ª®˙π8np";
+
+  doc = dbB.open("doc");
+  var rev13 = doc._rev;
+
+  // test that we can can attach to conflicting documents
+  var xhr = CouchDB.request("PUT", "/test_suite_db_b/doc/attachment.txt", {
+    headers: {
+      "Content-Type": "text/plain;charset=utf-8",
+      "If-Match": rev13
+    },
+    body: bin_data
+  });
+  T(xhr.status == 201);
+
+};
-- 
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