/**
* 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_compare.h"
#include
#include "mongo/base/string_data.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/query/collation/collator_interface_mock.h"
#include "mongo/db/update/log_builder.h"
#include "mongo/unittest/unittest.h"
namespace {
using mongo::BSONObj;
using mongo::CollatorInterfaceMock;
using mongo::LogBuilder;
using mongo::ModifierCompare;
using mongo::ModifierInterface;
using mongo::Status;
using mongo::StringData;
using mongo::fromjson;
using mongo::mutablebson::ConstElement;
using mongo::mutablebson::Document;
using mongo::mutablebson::Element;
const char kModNameMin[] = "$min";
const char kModNameMax[] = "$max";
/** Helper to build and manipulate a $min/max mod. */
class Mod {
public:
Mod() : _mod() {}
explicit Mod(BSONObj modObj,
ModifierInterface::Options options = ModifierInterface::Options::normal())
: _modObj(modObj),
_mod((modObj.firstElement().fieldNameStringData() == "$min") ? ModifierCompare::MIN
: ModifierCompare::MAX) {
StringData modName = modObj.firstElement().fieldName();
ASSERT_OK(_mod.init(modObj[modName].embeddedObject().firstElement(), options));
}
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);
}
ModifierCompare& mod() {
return _mod;
}
private:
BSONObj _modObj;
ModifierCompare _mod;
};
TEST(Init, ValidValues) {
BSONObj modObj;
ModifierCompare mod;
modObj = fromjson("{ $min : { a : 2 } }");
ASSERT_OK(mod.init(modObj[kModNameMin].embeddedObject().firstElement(),
ModifierInterface::Options::normal()));
modObj = fromjson("{ $max : { a : 1 } }");
ASSERT_OK(mod.init(modObj[kModNameMax].embeddedObject().firstElement(),
ModifierInterface::Options::normal()));
modObj = fromjson("{ $min : { a : {$date : 0 } } }");
ASSERT_OK(mod.init(modObj[kModNameMin].embeddedObject().firstElement(),
ModifierInterface::Options::normal()));
}
TEST(ExistingNumber, MaxSameNumber) {
Document doc(fromjson("{a: 1 }"));
Mod mod(fromjson("{$max: {a: 1} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
}
TEST(ExistingNumber, MinSameNumber) {
Document doc(fromjson("{a: 1 }"));
Mod mod(fromjson("{$min: {a: 1} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
}
TEST(ExistingNumber, MaxNumberIsLess) {
Document doc(fromjson("{a: 1 }"));
Mod mod(fromjson("{$max: {a: 0} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
}
TEST(ExistingNumber, MinNumberIsMore) {
Document doc(fromjson("{a: 1 }"));
Mod mod(fromjson("{$min: {a: 2} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
}
TEST(ExistingDouble, MaxSameValInt) {
Document doc(fromjson("{a: 1.0 }"));
Mod mod(BSON("$max" << BSON("a" << 1LL)));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
}
TEST(ExistingDoubleZero, MaxSameValIntZero) {
Document doc(fromjson("{a: 0.0 }"));
Mod mod(BSON("$max" << BSON("a" << 0LL)));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
}
TEST(ExistingDoubleZero, MinSameValIntZero) {
Document doc(fromjson("{a: 0.0 }"));
Mod mod(BSON("$min" << BSON("a" << 0LL)));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
}
TEST(MissingField, MinNumber) {
Document doc(fromjson("{}"));
Mod mod(fromjson("{$min: {a: 0} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a : 0}"), doc);
ASSERT_FALSE(doc.isInPlaceModeEnabled());
Document logDoc;
LogBuilder logBuilder(logDoc.root());
ASSERT_OK(mod.log(&logBuilder));
ASSERT_EQUALS(fromjson("{ $set : { a : 0 } }"), logDoc);
}
TEST(ExistingNumber, MinNumber) {
Document doc(fromjson("{a: 1 }"));
Mod mod(fromjson("{$min: {a: 0} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a : 0}"), doc);
ASSERT_TRUE(doc.isInPlaceModeEnabled());
Document logDoc;
LogBuilder logBuilder(logDoc.root());
ASSERT_OK(mod.log(&logBuilder));
ASSERT_EQUALS(fromjson("{ $set : { a : 0 } }"), logDoc);
}
TEST(MissingField, MaxNumber) {
Document doc(fromjson("{}"));
Mod mod(fromjson("{$max: {a: 0} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a : 0}"), doc);
ASSERT_FALSE(doc.isInPlaceModeEnabled());
Document logDoc;
LogBuilder logBuilder(logDoc.root());
ASSERT_OK(mod.log(&logBuilder));
ASSERT_EQUALS(fromjson("{ $set : { a : 0 } }"), logDoc);
}
TEST(ExistingNumber, MaxNumber) {
Document doc(fromjson("{a: 1 }"));
Mod mod(fromjson("{$max: {a: 2} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a : 2}"), doc);
ASSERT_TRUE(doc.isInPlaceModeEnabled());
Document logDoc;
LogBuilder logBuilder(logDoc.root());
ASSERT_OK(mod.log(&logBuilder));
ASSERT_EQUALS(fromjson("{ $set : { a : 2 } }"), logDoc);
}
TEST(ExistingDate, MaxDate) {
Document doc(fromjson("{a: {$date: 0} }"));
Mod mod(fromjson("{$max: {a: {$date: 123123123}} }"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a: {$date: 123123123}}"), doc);
ASSERT_TRUE(doc.isInPlaceModeEnabled());
Document logDoc;
LogBuilder logBuilder(logDoc.root());
ASSERT_OK(mod.log(&logBuilder));
ASSERT_EQUALS(fromjson("{$set: {a: {$date: 123123123}} }"), logDoc);
}
TEST(ExistingEmbeddedDoc, MaxDoc) {
Document doc(fromjson("{a: {b: 2}}"));
Mod mod(fromjson("{$max: {a: {b: 3}}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a: {b: 3}}}"), doc);
Document logDoc;
LogBuilder logBuilder(logDoc.root());
ASSERT_OK(mod.log(&logBuilder));
ASSERT_EQUALS(fromjson("{$set: {a: {b: 3}} }"), logDoc);
}
TEST(ExistingEmbeddedDoc, MaxNumber) {
Document doc(fromjson("{a: {b: 2}}"));
Mod mod(fromjson("{$max: {a: 3}}"));
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_TRUE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
}
TEST(Collation, MinRespectsCollationFromModifierInterfaceOptions) {
CollatorInterfaceMock collator(CollatorInterfaceMock::MockType::kReverseString);
Document doc(fromjson("{a: 'cbc'}"));
ModifierInterface::Options options = ModifierInterface::Options::normal(&collator);
Mod mod(fromjson("{$min: {a: 'dba'}}"), options);
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a : 'dba'}"), doc);
}
TEST(Collation, MinRespectsCollationFromSetCollator) {
CollatorInterfaceMock collator(CollatorInterfaceMock::MockType::kReverseString);
Document doc(fromjson("{a: 'cbc'}"));
Mod mod(fromjson("{$min: {a: 'dba'}}"));
mod.mod().setCollator(&collator);
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a : 'dba'}"), doc);
}
TEST(Collation, MaxRespectsCollationFromSetCollator) {
CollatorInterfaceMock collator(CollatorInterfaceMock::MockType::kReverseString);
Document doc(fromjson("{a: 'cbc'}"));
Mod mod(fromjson("{$max: {a: 'abd'}}"));
mod.mod().setCollator(&collator);
ModifierInterface::ExecInfo execInfo;
ASSERT_OK(mod.prepare(doc.root(), "", &execInfo));
ASSERT_FALSE(execInfo.noOp);
ASSERT_EQUALS("a", execInfo.fieldRef[0]->dottedField());
ASSERT_OK(mod.apply());
ASSERT_EQUALS(fromjson("{a : 'abd'}"), doc);
}
} // namespace