/**
* Copyright (C) 2013 10gen 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 .
*
* 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/db/ops/modifier_rename.h"
#include
#include "mongo/base/status.h"
#include "mongo/base/string_data.h"
#include "mongo/bson/mutable/algorithm.h"
#include "mongo/bson/mutable/document.h"
#include "mongo/bson/mutable/mutable_bson_test_utils.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/json.h"
#include "mongo/db/ops/log_builder.h"
#include "mongo/unittest/unittest.h"
namespace {
using mongo::BSONObj;
using mongo::fromjson;
using mongo::LogBuilder;
using mongo::ModifierInterface;
using mongo::NumberInt;
using mongo::ModifierRename;
using mongo::Status;
using mongo::StringData;
using mongo::mutablebson::ConstElement;
using mongo::mutablebson::Document;
using mongo::mutablebson::Element;
/** Helper to build and manipulate the mod. */
class Mod {
public:
Mod() : _mod() {}
explicit Mod(BSONObj modObj) {
_modObj = modObj;
ASSERT_OK(_mod.init(_modObj["$rename"].embeddedObject().firstElement(),
ModifierInterface::Options::normal()));
}
Status prepare(Element root, StringData matchedField, ModifierInterface::ExecInfo* execInfo) {
return _mod.prepare(root, matchedField, execInfo);
}
Status apply() const {
return _mod.apply();
}
Status log(LogBuilder* logBuilder) const {
return _mod.log(logBuilder);
}
ModifierRename& mod() {
return _mod;
}
private:
ModifierRename _mod;
BSONObj _modObj;
};
/**
* These test negative cases:
* -- No '$' support for positional operator
* -- No empty field names (ex. .a, b. )
* -- Can't rename to an invalid fieldname (empty fieldname part)
*/
TEST(InvalidInit, FromDbTests) {
ModifierRename mod;
ASSERT_NOT_OK(
mod.init(fromjson("{'a.$':'b'}").firstElement(), ModifierInterface::Options::normal()));
ASSERT_NOT_OK(
mod.init(fromjson("{'a':'b.$'}").firstElement(), ModifierInterface::Options::normal()));
ASSERT_NOT_OK(
mod.init(fromjson("{'.b':'a'}").firstElement(), ModifierInterface::Options::normal()));
ASSERT_NOT_OK(
mod.init(fromjson("{'b.':'a'}").firstElement(), ModifierInterface::Options::normal()));
ASSERT_NOT_OK(
mod.init(fromjson("{'b':'.a'}").firstElement(), ModifierInterface::Options::normal()));
ASSERT_NOT_OK(
mod.init(fromjson("{'b':'a.'}").firstElement(), ModifierInterface::Options::normal()));
}
TEST(InvalidInit, ToFieldCannotContainEmbeddedNullByte) {
ModifierRename mod;
{
StringData embeddedNull("a\0b", StringData::LiteralTag());
ASSERT_NOT_OK(mod.init(BSON("a" << embeddedNull).firstElement(),
ModifierInterface::Options::normal()));
}
{
StringData singleNullByte("\0", StringData::LiteralTag());
ASSERT_NOT_OK(mod.init(BSON("a" << singleNullByte).firstElement(),
ModifierInterface::Options::normal()));
}
{
StringData leadingNullByte("\0bbbb", StringData::LiteralTag());
ASSERT_NOT_OK(mod.init(BSON("a" << leadingNullByte).firstElement(),
ModifierInterface::Options::normal()));
}
{
StringData trailingNullByte("bbbb\0", StringData::LiteralTag());
ASSERT_NOT_OK(mod.init(BSON("a" << trailingNullByte).firstElement(),
ModifierInterface::Options::normal()));
}
}
TEST(MissingFrom, InitPrepLog) {
Document doc(fromjson("{a: 2}"));
Mod setMod(fromjson("{$rename: {'b':'a'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(MissingFromDotted, InitPrepLog) {
Document doc(fromjson("{a: {r:2}}"));
Mod setMod(fromjson("{$rename: {'a.b':'a.c'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(BasicInit, DifferentRoots) {
Document doc(fromjson("{a: 2}"));
Mod setMod(fromjson("{$rename: {'a':'f.g'}}"));
}
TEST(MoveOnSamePath, MoveUp) {
ModifierRename mod;
ASSERT_NOT_OK(
mod.init(fromjson("{'b.a':'b'}").firstElement(), ModifierInterface::Options::normal()));
}
TEST(MoveOnSamePath, MoveDown) {
ModifierRename mod;
ASSERT_NOT_OK(
mod.init(fromjson("{'b':'b.a'}").firstElement(), ModifierInterface::Options::normal()));
}
TEST(MoveOnSamePath, MoveToSelf) {
ModifierRename mod;
ASSERT_NOT_OK(
mod.init(fromjson("{'b.a':'b.a'}").firstElement(), ModifierInterface::Options::normal()));
}
TEST(MissingTo, SimpleNumberAtRoot) {
Document doc(fromjson("{a: 2}"));
Mod setMod(fromjson("{$rename: {'a':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b:2}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'b': 2}, $unset: {'a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(SimpleReplace, SameLevel) {
Document doc(fromjson("{a: 2, b: 1}"));
Mod setMod(fromjson("{$rename: {'a':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b:2}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'b': 2}, $unset: {'a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(SimpleReplace, FromDottedElement) {
Document doc(fromjson("{a: {c: {d: 6}}, b: 1}"));
Mod setMod(fromjson("{$rename: {'a.c':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a.c");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{a: {}, b:{ d: 6}}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'b': {d: 6}}, $unset: {'a.c': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(SimpleReplace, RenameToExistingFieldDoesNotReorderFields) {
Document doc(fromjson("{a: 1, b: 2, c: 3}"));
Mod setMod(fromjson("{$rename: {a: 'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b: 1, c: 3}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set: {b: 1}, $unset: {a: true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(SimpleReplace, RenameToExistingNestedFieldDoesNotReorderFields) {
Document doc(fromjson("{a: {b: {c: 1, d: 2}}, b: 3, c: {d: 4}}"));
Mod setMod(fromjson("{$rename: {'c.d': 'a.b.c'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "c.d");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "a.b.c");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{a: {b: {c: 4, d: 2}}, b: 3, c: {}}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set: {'a.b.c': 4}, $unset: {'c.d': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(DottedTo, MissingCompleteTo) {
Document doc(fromjson("{a: 2, b: 1, c: {}}"));
Mod setMod(fromjson("{$rename: {'a':'c.r.d'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "c.r.d");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b:1, c: { r: { d: 2}}}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'c.r.d': 2}, $unset: {'a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(DottedTo, ToIsCompletelyMissing) {
Document doc(fromjson("{a: 2}"));
Mod setMod(fromjson("{$rename: {'a':'b.c.d'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b.c.d");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b: {c: {d: 2}}}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'b.c.d': 2}, $unset: {'a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(FromArrayOfEmbeddedDocs, ToMissingDottedField) {
Document doc(fromjson("{a: [ {a:2, b:1} ] }"));
Mod setMod(fromjson("{$rename: {'a':'b.c.d'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b.c.d");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b: {c: {d: [ {a:2, b:1} ]}}}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'b.c.d': [ {a:2, b:1} ]}, $unset: {'a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(FromArrayOfEmbeddedDocs, ToArray) {
Document doc(fromjson("{a: [ {a:2, b:1} ] }"));
Mod setMod(fromjson("{$rename: {'a.a':'a.b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_NOT_OK(setMod.prepare(doc.root(), "", &execInfo));
}
TEST(Arrays, MoveInto) {
Document doc(fromjson("{a: [1, 2], b:2}"));
Mod setMod(fromjson("{$rename: {'b':'a.2'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_NOT_OK(setMod.prepare(doc.root(), "", &execInfo));
}
TEST(Arrays, MoveOut) {
Document doc(fromjson("{a: [1, 2]}"));
Mod setMod(fromjson("{$rename: {'a.0':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_NOT_OK(setMod.prepare(doc.root(), "", &execInfo));
}
TEST(Arrays, MoveNonexistantEmbeddedFieldOut) {
Document doc(fromjson("{a: [{a:1}, {b:2}]}"));
Mod setMod(fromjson("{$rename: {'a.a':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_NOT_OK(setMod.prepare(doc.root(), "", &execInfo));
}
TEST(Arrays, MoveEmbeddedFieldOutWithElementNumber) {
Document doc(fromjson("{a: [{a:1}, {b:2}]}"));
Mod setMod(fromjson("{$rename: {'a.0.a':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_NOT_OK(setMod.prepare(doc.root(), "", &execInfo));
}
TEST(Arrays, ReplaceArrayField) {
Document doc(fromjson("{a: 2, b: []}"));
Mod setMod(fromjson("{$rename: {'a':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b:2}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'b': 2}, $unset: {'a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(Arrays, ReplaceWithArrayField) {
Document doc(fromjson("{a: [], b: 2}"));
Mod setMod(fromjson("{$rename: {'a':'b'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "b");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{b:[]}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'b': []}, $unset: {'a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
TEST(LegacyData, CanRenameFromInvalidFieldName) {
Document doc(fromjson("{$a: 2}"));
Mod setMod(fromjson("{$rename: {'$a':'a'}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(setMod.prepare(doc.root(), "", &execInfo));
ASSERT_EQUALS(execInfo.fieldRef[0]->dottedField(), "$a");
ASSERT_EQUALS(execInfo.fieldRef[1]->dottedField(), "a");
ASSERT_FALSE(execInfo.noOp);
ASSERT_OK(setMod.apply());
ASSERT_FALSE(doc.isInPlaceModeEnabled());
ASSERT_EQUALS(doc, fromjson("{a:2}"));
Document logDoc;
LogBuilder logBuilder(logDoc.root());
BSONObj logObj = fromjson("{$set:{ 'a': 2}, $unset: {'$a': true}}");
ASSERT_OK(setMod.log(&logBuilder));
ASSERT_EQUALS(logDoc, logObj);
}
} // namespace