File: CatapultTest.cpp

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/*
 * CatapultTest.cpp, part of VCMI engine
 *
 * Authors: listed in file AUTHORS in main folder
 *
 * License: GNU General Public License v2.0 or later
 * Full text of license available in license.txt file, in main folder
 *
 */
#include "StdInc.h"

#include "EffectFixture.h"

#include <vstd/RNG.h>

#include "../../../lib/mapObjects/CGTownInstance.h"


namespace test
{
using namespace ::spells;
using namespace ::spells::effects;
using namespace ::testing;

class CatapultTest : public Test, public EffectFixture
{
public:
	CatapultTest()
		:EffectFixture("core:catapult")
	{
	}

protected:
	void SetUp() override
	{
		EffectFixture::setUp();
	}
};

TEST_F(CatapultTest, NotApplicableWithoutTown)
{
	EXPECT_CALL(*battleFake, getDefendedTown()).WillRepeatedly(Return(nullptr));
	EXPECT_CALL(mechanicsMock, adaptProblem(_, _)).WillOnce(Return(false));
	EXPECT_CALL(mechanicsMock, isSmart()).WillRepeatedly(Return(true));
	EXPECT_CALL(*battleFake, getWallState(_)).Times(0);

	EXPECT_FALSE(subject->applicable(problemMock, &mechanicsMock));
}

TEST_F(CatapultTest, NotApplicableInVillage)
{
	std::shared_ptr<CGTownInstance> fakeTown = std::make_shared<CGTownInstance>();

	EXPECT_CALL(*battleFake, getDefendedTown()).WillRepeatedly(Return(fakeTown.get()));
	EXPECT_CALL(mechanicsMock, adaptProblem(_, _)).WillOnce(Return(false));
	EXPECT_CALL(mechanicsMock, isSmart()).WillRepeatedly(Return(true));
	EXPECT_CALL(*battleFake, getWallState(_)).Times(0);

	EXPECT_FALSE(subject->applicable(problemMock, &mechanicsMock));
}

TEST_F(CatapultTest, NotApplicableForDefenderIfSmart)
{
	std::shared_ptr<CGTownInstance> fakeTown = std::make_shared<CGTownInstance>();
	fakeTown->builtBuildings.insert(BuildingID::FORT);
	mechanicsMock.casterSide = BattleSide::DEFENDER;

	EXPECT_CALL(*battleFake, getDefendedTown()).WillRepeatedly(Return(fakeTown.get()));
	EXPECT_CALL(mechanicsMock, adaptProblem(_, _)).WillOnce(Return(false));
	EXPECT_CALL(mechanicsMock, isSmart()).WillRepeatedly(Return(true));
	EXPECT_CALL(*battleFake, getWallState(_)).WillRepeatedly(Return(EWallState::INTACT));

	EXPECT_FALSE(subject->applicable(problemMock, &mechanicsMock));
}

TEST_F(CatapultTest, ApplicableInTown)
{
	std::shared_ptr<CGTownInstance> fakeTown = std::make_shared<CGTownInstance>();
	fakeTown->builtBuildings.insert(BuildingID::FORT);

	EXPECT_CALL(*battleFake, getDefendedTown()).WillRepeatedly(Return(fakeTown.get()));
	EXPECT_CALL(mechanicsMock, adaptProblem(_, _)).Times(0);
	EXPECT_CALL(mechanicsMock, isSmart()).WillRepeatedly(Return(true));
	EXPECT_CALL(*battleFake, getWallState(_)).WillRepeatedly(Return(EWallState::INTACT));

	EXPECT_TRUE(subject->applicable(problemMock, &mechanicsMock));
}

class CatapultApplyTest : public Test, public EffectFixture
{
public:
	CatapultApplyTest()
		: EffectFixture("core:catapult")
	{
	}

	void setDefaultExpectations()
	{
		EXPECT_CALL(*battleFake, getDefendedTown()).WillRepeatedly(Return(fakeTown.get()));
		EXPECT_CALL(mechanicsMock, isSmart()).WillRepeatedly(Return(true));
		setupDefaultRNG();
	}

protected:
	void SetUp() override
	{
		EffectFixture::setUp();
		fakeTown = std::make_shared<CGTownInstance>();
		fakeTown->builtBuildings.insert(BuildingID::FORT);
	}
private:
	std::shared_ptr<CGTownInstance> fakeTown;
};

TEST_F(CatapultApplyTest, DamageToIntactPart)
{
	{
		JsonNode config(JsonNode::JsonType::DATA_STRUCT);
		config["targetsToAttack"].Integer() = 1;
		EffectFixture::setupEffect(config);
	}

	setDefaultExpectations();

	const EWallPart::EWallPart targetPart = EWallPart::BELOW_GATE;

	EXPECT_CALL(*battleFake, getWallState(_)).WillRepeatedly(Return(EWallState::DESTROYED));
	EXPECT_CALL(*battleFake, getWallState(Eq(int(targetPart)))).WillRepeatedly(Return(EWallState::INTACT));

	EXPECT_CALL(*battleFake, setWallState(Eq(int(targetPart)), Eq(EWallState::DAMAGED))).Times(1);

    EffectTarget target;
    target.emplace_back();

	subject->apply(battleProxy.get(), rngMock, &mechanicsMock, target);
}

}