SERVER-28918 Make CRUD paths retryable

1 files changed, 114 insertions, 0 deletions

diff --git a/src/mongo/db/ops/write_ops_retryability_test.cpp b/src/mongo/db/ops/write_ops_retryability_test.cpp
new file mode 100644
index 00000000000..6e6d30fd491
--- /dev/null
+++ b/src/mongo/db/ops/write_ops_retryability_test.cpp
@@ -0,0 +1,114 @@
+/**
+ *    Copyright (C) 2017 MongoDB Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    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/>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the GNU Affero General Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#include "mongo/platform/basic.h"
+
+#include "mongo/bson/bsonmisc.h"
+#include "mongo/db/ops/write_ops.h"
+#include "mongo/db/ops/write_ops_retryability.h"
+#include "mongo/db/repl/oplog_entry.h"
+#include "mongo/db/service_context_d_test_fixture.h"
+#include "mongo/unittest/unittest.h"
+
+namespace mongo {
+namespace {
+
+using WriteOpsRetryability = ServiceContextMongoDTest;
+
+TEST_F(WriteOpsRetryability, ParseOplogEntryForInsert) {
+    auto entry =
+        repl::OplogEntry::parse(BSON("ts" << Timestamp(50, 10) << "t" << 1LL << "h" << 0LL << "op"
+                                          << "i"
+                                          << "ns"
+                                          << "a.b"
+                                          << "o"
+                                          << BSON("_id" << 1 << "x" << 5)));
+    ASSERT(entry.isOK());
+
+    auto res = mongo::parseOplogEntryForInsert(entry.getValue());
+
+    ASSERT_EQ(res.getN(), 1);
+    ASSERT_EQ(res.getNModified(), 0);
+    ASSERT_BSONOBJ_EQ(res.getUpsertedId(), BSONObj());
+}
+
+TEST_F(WriteOpsRetryability, ParseOplogEntryForUpdate) {
+    auto entry =
+        repl::OplogEntry::parse(BSON("ts" << Timestamp(50, 10) << "t" << 1LL << "h" << 0LL << "op"
+                                          << "u"
+                                          << "ns"
+                                          << "a.b"
+                                          << "o"
+                                          << BSON("_id" << 1 << "x" << 5)
+                                          << "o2"
+                                          << BSON("_id" << 1)));
+    ASSERT(entry.isOK());
+
+    auto res = mongo::parseOplogEntryForUpdate(entry.getValue());
+
+    ASSERT_EQ(res.getN(), 1);
+    ASSERT_EQ(res.getNModified(), 1);
+    ASSERT_BSONOBJ_EQ(res.getUpsertedId(), BSONObj());
+}
+
+TEST_F(WriteOpsRetryability, ParseOplogEntryForUpsert) {
+    auto entry =
+        repl::OplogEntry::parse(BSON("ts" << Timestamp(50, 10) << "t" << 1LL << "h" << 0LL << "op"
+                                          << "i"
+                                          << "ns"
+                                          << "a.b"
+                                          << "o"
+                                          << BSON("_id" << 1 << "x" << 5)));
+    ASSERT(entry.isOK());
+
+    auto res = mongo::parseOplogEntryForUpdate(entry.getValue());
+
+    ASSERT_EQ(res.getN(), 1);
+    ASSERT_EQ(res.getNModified(), 0);
+    ASSERT_BSONOBJ_EQ(res.getUpsertedId(), BSON("_id" << 1));
+}
+
+TEST_F(WriteOpsRetryability, ParseOplogEntryForDelete) {
+    auto entry =
+        repl::OplogEntry::parse(BSON("ts" << Timestamp(50, 10) << "t" << 1LL << "h" << 0LL << "op"
+                                          << "d"
+                                          << "ns"
+                                          << "a.b"
+                                          << "o"
+                                          << BSON("_id" << 1 << "x" << 5)));
+    ASSERT(entry.isOK());
+
+    auto res = mongo::parseOplogEntryForDelete(entry.getValue());
+
+    ASSERT_EQ(res.getN(), 1);
+    ASSERT_EQ(res.getNModified(), 0);
+    ASSERT_BSONOBJ_EQ(res.getUpsertedId(), BSONObj());
+}
+
+}  // namespace
+}  // namespace mongo