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-rw-r--r--share/www/script/test/recreate_doc.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/share/www/script/test/recreate_doc.js b/share/www/script/test/recreate_doc.js
index 05843558..a1cfb8f8 100644
--- a/share/www/script/test/recreate_doc.js
+++ b/share/www/script/test/recreate_doc.js
@@ -77,4 +77,45 @@ couchTests.recreate_doc = function(debug) {
} catch (e) {
T(e.error == "conflict");
}
+
+ db.deleteDb();
+ db.createDb();
+
+ // COUCHDB-1265
+ // Resuscitate an unavailable old revision and make sure that it
+ // doesn't introduce duplicates into the _changes feed.
+
+ var doc = {_id: "bar", count: 0};
+ T(db.save(doc).ok);
+ var ghost = {_id: "bar", _rev: doc._rev, count: doc.count};
+ for(var i = 0; i < 2; i++) {
+ doc.count += 1;
+ T(db.save(doc).ok);
+ }
+
+ // Compact so that the old revision to be resuscitated will be
+ // in the rev_tree as ?REV_MISSING
+ db.compact();
+ while(db.info().compact_running) {}
+
+ // Saving the ghost here puts it back in the rev_tree in such
+ // a way as to create a new update_seq but without changing a
+ // leaf revision. This would cause the #full_doc_info{} and
+ // #doc_info{} records to diverge in their idea of what the
+ // doc's update_seq is and end up introducing a duplicate in
+ // the _changes feed the next time this doc is updated.
+ T(db.save(ghost, {new_edits: false}).ok);
+
+ // The duplicate would have been introduce here becuase the #doc_info{}
+ // would not have been removed correctly.
+ T(db.save(doc).ok);
+
+ // And finally assert that there are no duplicates in _changes.
+ var req = CouchDB.request("GET", "/test_suite_db/_changes");
+ var resp = JSON.parse(req.responseText);
+ var docids = {};
+ for(var i = 0; i < resp.results.length; i++) {
+ T(docids[resp.results[i].id] === undefined, "Duplicates in _changes feed.");
+ docids[resp.results[i].id] = true;
+ }
};