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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/db/query/cursor_response.h"
#include "mongo/s/commands/cluster_command_test_fixture.h"
namespace mongo {
namespace {
class ClusterFindTest : public ClusterCommandTestFixture {
protected:
const BSONObj kFindCmdScatterGather = BSON("find"
<< "coll");
const BSONObj kFindCmdTargeted = BSON("find"
<< "coll"
<< "filter" << BSON("_id" << 0));
// The index of the shard expected to receive the response is used to prevent different shards
// from returning documents with the same shard key. This is expected to be 0 for queries
// targeting one shard.
void expectReturnsSuccess(int shardIndex) override {
onCommandForPoolExecutor([&](const executor::RemoteCommandRequest& request) {
ASSERT_EQ(kNss.coll(), request.cmdObj.firstElement().valueStringData());
std::vector<BSONObj> batch = {BSON("_id" << shardIndex)};
CursorResponse cursorResponse(kNss, CursorId(0), batch);
BSONObjBuilder bob;
bob.appendElementsUnique(
cursorResponse.toBSON(CursorResponse::ResponseType::InitialResponse));
appendTxnResponseMetadata(bob);
return bob.obj();
});
}
void expectInspectRequest(int shardIndex, InspectionCallback cb) override {
onCommandForPoolExecutor([&](const executor::RemoteCommandRequest& request) {
ASSERT_EQ(kNss.coll(), request.cmdObj.firstElement().valueStringData());
cb(request);
std::vector<BSONObj> batch = {BSON("_id" << shardIndex)};
CursorResponse cursorResponse(kNss, CursorId(0), batch);
BSONObjBuilder bob;
bob.appendElementsUnique(
cursorResponse.toBSON(CursorResponse::ResponseType::InitialResponse));
appendTxnResponseMetadata(bob);
return bob.obj();
});
}
};
TEST_F(ClusterFindTest, NoErrors) {
testNoErrors(kFindCmdTargeted, kFindCmdScatterGather);
}
TEST_F(ClusterFindTest, RetryOnSnapshotError) {
testRetryOnSnapshotError(kFindCmdTargeted, kFindCmdScatterGather);
}
TEST_F(ClusterFindTest, MaxRetriesSnapshotErrors) {
testMaxRetriesSnapshotErrors(kFindCmdTargeted, kFindCmdScatterGather);
}
TEST_F(ClusterFindTest, AttachesAtClusterTimeForSnapshotReadConcern) {
testAttachesAtClusterTimeForSnapshotReadConcern(kFindCmdTargeted, kFindCmdScatterGather);
}
TEST_F(ClusterFindTest, SnapshotReadConcernWithAfterClusterTime) {
testSnapshotReadConcernWithAfterClusterTime(kFindCmdTargeted, kFindCmdScatterGather);
}
} // namespace
} // namespace mongo
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