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/**
* Copyright (C) 2020-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 <string>
#include "mongo/bson/json.h"
#include "mongo/db/cst/bson_lexer.h"
#include "mongo/db/cst/c_node.h"
#include "mongo/db/cst/key_fieldname.h"
#include "mongo/db/cst/key_value.h"
#include "mongo/db/cst/parser_gen.hpp"
#include "mongo/unittest/bson_test_util.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(CstErrorTest, EmptyStageSpec) {
auto input = fromjson("{pipeline: [{}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected end of object at element 'end object' "
"within array at index 0 of input pipeline");
}
TEST(CstErrorTest, UnknownStageName) {
// First stage.
{
auto input = fromjson("{pipeline: [{$unknownStage: {}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected $-prefixed fieldname at element "
"'$unknownStage' within array at index 0 of input pipeline");
}
// Subsequent stage.
{
auto input = fromjson("{pipeline: [{$limit: 1}, {$unknownStage: {}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected $-prefixed fieldname at element "
"'$unknownStage' within array at index 1 of input pipeline");
}
}
TEST(CstErrorTest, InvalidStageArgument) {
{
auto input = fromjson("{pipeline: [{$sample: 2}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected arbitrary integer, expecting object at element '2' within "
"'$sample' within array at index 0 of input pipeline");
}
{
auto input = fromjson("{pipeline: [{$project: {a: 1}}, {$limit: {}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected object at element 'start object' "
"within '$limit' within array at index 1 of input pipeline");
}
}
TEST(CstErrorTest, UnknownArgumentInStageSpec) {
{
auto input = fromjson("{pipeline: [{$sample: {huh: 1}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected fieldname, expecting size argument at element 'huh' within "
"'$sample' within array at index 0 of input pipeline");
}
{
auto input = fromjson("{pipeline: [{$project: {a: 1}}, {$limit: 1}, {$sample: {huh: 1}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected fieldname, expecting size argument at element 'huh' within "
"'$sample' within array at index 2 of input pipeline");
}
}
TEST(CstErrorTest, InvalidArgumentTypeWithinStageSpec) {
{
auto input = fromjson("{pipeline: [{$sample: {size: 'cmon'}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected string at element 'cmon' within 'size' within '$sample' "
"within array at index 0 of input pipeline");
}
{
auto input = fromjson("{pipeline: [{$project: {a: 1}}, {$sample: {size: true}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected true at element 'true' within 'size' "
"within '$sample' within array at index 1 of input pipeline");
}
}
TEST(CstErrorTest, MissingRequiredArgument) {
auto input = fromjson("{pipeline: [{$sample: {}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected end of object, expecting size argument at element 'end object' "
"within '$sample' within array at index 0 of input pipeline");
}
TEST(CstErrorTest, MissingRequiredArgumentOfMultiArgStage) {
auto input = fromjson("{pipeline: [{$unionWith: {pipeline: 0.0}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected pipeline argument, expecting coll argument at element 'pipeline' "
"within '$unionWith' within array at index 0 of input pipeline");
}
TEST(CstErrorTest, InvalidArgumentTypeForProjectionExpression) {
auto input = fromjson("{pipeline: [{$project: {a: {$eq: '$b'}}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected $-prefixed string, expecting array at "
"element '$b' within '$eq' within "
"'$project' within array at index 0 of input pipeline");
}
TEST(CstErrorTest, MixedProjectionTypes) {
auto input = fromjson("{pipeline: [{$project: {a: 1, b: 0}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"project containing inclusion and/or computed fields must contain no exclusion fields at "
"element '$project' within array at index 0 of input pipeline");
}
TEST(CstErrorTest, DeeplyNestedSyntaxError) {
auto input = fromjson("{pipeline: [{$project: {a: {$and: [1, {$or: [{$eq: '$b'}]}]}}}]}");
BSONLexer lexer(input["pipeline"].embeddedObject(), ParserGen::token::START_PIPELINE);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected $-prefixed string, expecting array at element '$b' within '$eq' "
"within "
"array at index 0 within '$or' within array at index 1 within '$and' within '$project' "
"within array at index 0 of input pipeline");
}
TEST(CstErrorTest, SortWithRandomIntFails) {
auto input = fromjson("{sort: {val: 5}}");
BSONLexer lexer(input["sort"].embeddedObject(), ParserGen::token::START_SORT);
ASSERT_THROWS_CODE_AND_WHAT(
ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected arbitrary integer at element '5' of input sort");
}
TEST(CstErrorTest, SortWithInvalidMetaFails) {
auto input = fromjson("{sort: {val: {$meta: \"str\"}}}");
BSONLexer lexer(input["sort"].embeddedObject(), ParserGen::token::START_SORT);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected string, expecting randVal or textScore "
"at element 'str' within '$meta' of input sort");
}
TEST(CstErrorTest, SortWithMetaSiblingKeyFails) {
auto input = fromjson("{sort: {val: {$meta: \"textScore\", someKey: 4}}}");
BSONLexer lexer(input["sort"].embeddedObject(), ParserGen::token::START_SORT);
ASSERT_THROWS_CODE_AND_WHAT(ParserGen(lexer, nullptr).parse(),
AssertionException,
ErrorCodes::FailedToParse,
"syntax error, unexpected fieldname, expecting end of object at "
"element 'someKey' of input sort");
}
} // namespace
} // namespace mongo
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