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/**
* Copyright (C) 2023-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/exec/document_value/document_value_test_util.h"
#include "mongo/db/pipeline/expression_context_for_test.h"
#include "mongo/db/pipeline/expression_function.h"
#include "mongo/dbtests/dbtests.h"
namespace mongo {
namespace {
/**
* A default redaction strategy that generates easy to check results for testing purposes.
*/
std::string redactFieldNameForTest(StringData s) {
return str::stream() << "HASH<" << s << ">";
}
TEST(ExpressionFunction, SerializeAndRedactArgs) {
SerializationOptions options;
std::string replacementChar = "?";
options.replacementForLiteralArgs = replacementChar;
options.redactIdentifiers = true;
options.identifierRedactionPolicy = redactFieldNameForTest;
auto expCtx = ExpressionContextForTest();
auto expr = BSON("$function" << BSON("body"
<< "function(age) {return age >= 21;}"
<< "args" << BSON_ARRAY("$age") << "lang"
<< "js"));
VariablesParseState vps = expCtx.variablesParseState;
auto exprFunc = ExpressionFunction::parse(&expCtx, expr.firstElement(), vps);
ASSERT_DOCUMENT_EQ_AUTO( // NOLINT
R"({"$function":{"body":"?","args":["$HASH<age>"],"lang":"js"}})",
exprFunc->serialize(options).getDocument());
}
} // namespace
} // namespace mongo
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