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/**
* Copyright (C) 2016 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/bson/bsonobj.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/db/pipeline/aggregation_context_fixture.h"
#include "mongo/db/pipeline/document_source_match.h"
#include "mongo/db/pipeline/document_source_mock.h"
#include "mongo/db/pipeline/document_source_redact.h"
#include "mongo/db/pipeline/pipeline.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
// This provides access to getExpCtx(), but we'll use a different name for this test suite.
using DocumentSourceRedactTest = AggregationContextFixture;
TEST_F(DocumentSourceRedactTest, ShouldCopyRedactSafePartOfMatchBeforeItself) {
BSONObj redactSpec = BSON("$redact"
<< "$$PRUNE");
auto redact = DocumentSourceRedact::createFromBson(redactSpec.firstElement(), getExpCtx());
auto match = DocumentSourceMatch::create(BSON("a" << 1), getExpCtx());
Pipeline::SourceContainer pipeline;
pipeline.push_back(redact);
pipeline.push_back(match);
pipeline.front()->optimizeAt(pipeline.begin(), &pipeline);
ASSERT_EQUALS(pipeline.size(), 3U);
ASSERT(dynamic_cast<DocumentSourceMatch*>(pipeline.front().get()));
}
TEST_F(DocumentSourceRedactTest, ShouldPropagatePauses) {
auto redactSpec = BSON("$redact"
<< "$$KEEP");
auto redact = DocumentSourceRedact::createFromBson(redactSpec.firstElement(), getExpCtx());
auto mock = DocumentSourceMock::create({Document{{"_id", 0}},
DocumentSource::GetNextResult::makePauseExecution(),
Document{{"_id", 1}},
DocumentSource::GetNextResult::makePauseExecution()});
redact->setSource(mock.get());
// The $redact is keeping everything, so we should see everything from the mock, then EOF.
ASSERT_TRUE(redact->getNext().isAdvanced());
ASSERT_TRUE(redact->getNext().isPaused());
ASSERT_TRUE(redact->getNext().isAdvanced());
ASSERT_TRUE(redact->getNext().isPaused());
ASSERT_TRUE(redact->getNext().isEOF());
ASSERT_TRUE(redact->getNext().isEOF());
}
} // namespace
} // namespace mongo
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