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/**
* Copyright (C) 2021-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/db/exec/document_value/document_value_test_util.h"
#include "mongo/db/pipeline/aggregation_context_fixture.h"
#include "mongo/db/pipeline/document_source_queue.h"
namespace mongo {
namespace {
using QueueStageTest = AggregationContextFixture;
TEST_F(QueueStageTest, QueueStageDeserialization) {
auto queueDoc = BSON("$queue" << BSON_ARRAY(BSONObj()));
auto queueStage = DocumentSourceQueue::createFromBson(queueDoc.firstElement(), getExpCtx());
ASSERT_TRUE(queueStage);
auto expectedResult = Document{{"a"_sd, 1}};
auto queueDoc1 = BSON("$queue" << BSON_ARRAY(BSON("a" << 1)));
auto queueStage1 = DocumentSourceQueue::createFromBson(queueDoc1.firstElement(), getExpCtx());
ASSERT_TRUE(queueStage1);
auto next = queueStage1->getNext();
ASSERT_TRUE(next.isAdvanced());
auto result = next.releaseDocument();
ASSERT_DOCUMENT_EQ(result, expectedResult);
ASSERT(queueStage1->getNext().isEOF());
}
TEST_F(QueueStageTest, QueueStageDeserializationFails) {
auto queueDoc = BSON("$queue" << BSONObj());
ASSERT_THROWS_CODE(DocumentSourceQueue::createFromBson(queueDoc.firstElement(), getExpCtx()),
AssertionException,
5858201);
auto queueDoc2 = BSON("$queue" << BSON_ARRAY(1 << 2 << 3));
ASSERT_THROWS_CODE(DocumentSourceQueue::createFromBson(queueDoc2.firstElement(), getExpCtx()),
AssertionException,
5858202);
}
TEST_F(QueueStageTest, QueueStageSerialize) {
auto queueStage = DocumentSourceQueue::create(getExpCtx());
queueStage->emplace_back(DOC("a1" << 1));
queueStage->emplace_back(DOC("a2" << 2));
ASSERT_TRUE(queueStage);
auto res = queueStage->serialize(boost::none);
ASSERT_VALUE_EQ(res, Value{DOC("$queue" << DOC_ARRAY(DOC("a1" << 1) << DOC("a2" << 2)))});
}
} // namespace
} // namespace mongo
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