mindustry/tests/src/test/java/PatcherTests.java

import arc.struct.*;
import mindustry.*;
import mindustry.content.*;
import mindustry.entities.abilities.*;
import mindustry.entities.bullet.*;
import mindustry.type.*;
import mindustry.world.blocks.units.*;
import mindustry.world.meta.*;
import org.junit.jupiter.api.*;
import org.junit.jupiter.params.*;
import org.junit.jupiter.params.provider.*;

import static org.junit.jupiter.api.Assertions.*;

public class PatcherTests{

    @BeforeAll
    static void init(){
        ApplicationTests.launchApplication(false);
    }

    @AfterEach
    void resetAfter(){
        Vars.logic.reset();
    }

    @BeforeEach
    void resetBefore(){
        Vars.logic.reset();
    }

    @ParameterizedTest
    @ValueSource(strings = {"""
    block.ground-factory.plans.+: {
        unit: flare
        requirements: [surge-alloy/10]
        time: 100
    }
    """,
    """
    block: {
        ground-factory: {
            plans.+: {
                unit: flare
                requirements: [surge-alloy/10]
                time: 100
            }
        }
    }
    """
    })
    void unitFactoryPlans(String value) throws Exception{
        Vars.state.patcher.apply(Seq.with(value));

        var plan = ((UnitFactory)Blocks.groundFactory).plans.find(u -> u.unit == UnitTypes.flare);
        assertNotNull(plan, "A plan for flares must have been added.");
        assertEquals(UnitTypes.flare, plan.unit);
        assertArrayEquals(new ItemStack[]{new ItemStack(Items.surgeAlloy, 10)}, plan.requirements);
        assertEquals(100f, plan.time);

        Vars.state.patcher.unapply();

        plan = ((UnitFactory)Blocks.groundFactory).plans.find(u -> u.unit == UnitTypes.flare);

        assertNull(plan);
    }

    @Test
    void testUnitWeapons() throws Exception{
        UnitTypes.dagger.checkStats();
        UnitTypes.dagger.stats.add(Stat.charge, 999);
        assertNotNull(UnitTypes.dagger.stats.toMap().get(StatCat.general).get(Stat.charge));

        Vars.state.patcher.apply(Seq.with("""
        unit.dagger.weapons.+: {
            name: navanax-weapon
            bullet: {
                type: LightningBulletType
                lightningLength: 999
            }
        }
        """));

        assertEquals(3, UnitTypes.dagger.weapons.size);
        assertEquals("navanax-weapon", UnitTypes.dagger.weapons.get(2).name);
        assertEquals(LightningBulletType.class, UnitTypes.dagger.weapons.get(2).bullet.getClass());
        assertEquals(999, UnitTypes.dagger.weapons.get(2).bullet.lightningLength);

        Vars.logic.reset();

        UnitTypes.dagger.checkStats();
        assertNull(UnitTypes.dagger.stats.toMap().get(StatCat.general).get(Stat.charge));
    }

    @Test
    void testUnitWeaponReassign() throws Exception{
        Vars.state.patcher.apply(Seq.with("""
        unit.dagger.weapons: [
            {
                name: megapoop
                bullet: {
                    type: rail
                    lightningLength: 999
                }
            }
        ]
        """));

        assertEquals(1, UnitTypes.dagger.weapons.size);
        assertEquals("megapoop", UnitTypes.dagger.weapons.get(0).name);
        assertEquals(RailBulletType.class, UnitTypes.dagger.weapons.get(0).bullet.getClass());
        assertEquals(999, UnitTypes.dagger.weapons.get(0).bullet.lightningLength);

        Vars.logic.reset();

        assertEquals(2, UnitTypes.dagger.weapons.size);
        assertEquals("large-weapon", UnitTypes.dagger.weapons.get(0).name);
    }

    @Test
    void testUnitAbilities() throws Exception{
        Vars.state.patcher.apply(Seq.with("""
        unit.dagger.abilities.+: {
            type: ShieldArcAbility
            max: 1000
        }
        """));

        assertEquals(1, UnitTypes.dagger.abilities.size);
        assertEquals(ShieldArcAbility.class, UnitTypes.dagger.abilities.get(0).getClass());
        assertEquals(1000f, ((ShieldArcAbility)UnitTypes.dagger.abilities.get(0)).max);

        Vars.logic.reset();

        assertEquals(0, UnitTypes.dagger.abilities.size);
    }

    @Test
    void testUnitAbilitiesArray() throws Exception{
        Vars.state.patcher.apply(Seq.with("""
        unit.dagger.abilities.+: [
            {
                type: ShieldArcAbility
                max: 1000
            },
            {
                type: MoveEffectAbility
                amount: 10
            }
        ]
        """));

        assertEquals(2, UnitTypes.dagger.abilities.size);
        assertEquals(ShieldArcAbility.class, UnitTypes.dagger.abilities.get(0).getClass());
        assertEquals(1000f, ((ShieldArcAbility)UnitTypes.dagger.abilities.get(0)).max);

        assertEquals(MoveEffectAbility.class, UnitTypes.dagger.abilities.get(1).getClass());
        assertEquals(10, ((MoveEffectAbility)UnitTypes.dagger.abilities.get(1)).amount);

        Vars.logic.reset();

        assertEquals(0, UnitTypes.dagger.abilities.size);
    }

    @Test
    void testUnitFlagsArray() throws Exception{
        int oldLength = UnitTypes.dagger.targetFlags.length;

        Vars.state.patcher.apply(Seq.with("""
        unit.dagger.targetFlags.+: [
            shield, drill
        ]
        """));

        assertEquals(oldLength + 2, UnitTypes.dagger.targetFlags.length);
        assertEquals(BlockFlag.shield, UnitTypes.dagger.targetFlags[UnitTypes.dagger.targetFlags.length - 2]);
        assertEquals(BlockFlag.drill, UnitTypes.dagger.targetFlags[UnitTypes.dagger.targetFlags.length - 1]);

        Vars.logic.reset();

        assertEquals(oldLength, UnitTypes.dagger.targetFlags.length);
    }

    @Test
    void testUnitFlags() throws Exception{
        int oldLength = UnitTypes.dagger.targetFlags.length;

        Vars.state.patcher.apply(Seq.with("""
        unit.dagger.targetFlags.+: shield
        """));

        assertEquals(oldLength + 1, UnitTypes.dagger.targetFlags.length);
        assertEquals(BlockFlag.shield, UnitTypes.dagger.targetFlags[UnitTypes.dagger.targetFlags.length - 1]);

        Vars.logic.reset();

        assertEquals(oldLength, UnitTypes.dagger.targetFlags.length);
    }

    @Test
    void testBigPatch() throws Exception{
        Vars.state.patcher.apply(Seq.with("""
        item: {
        	fissile-matter: {
        		hidden: false
        		fullIcon: duo-preview
        		uiIcon: block-duo-ui
        	}
        }
        block: {
        	pulverizer: {
        		consumes: {
        			remove: all
        			item: copper
        		}
        		uiIcon: block-duo-ui
        		region: block-duo-full
        		outputItems: [fissile-matter/1]
        		drawer: [
        			{
        				type: DrawRegion
        				name: block-1
        			}
        			{
        				type: DrawRegion
        				rotateSpeed: 1
        				name: duo-preview
        			}
        		]
        	}
        }
        unit: {
        	dagger: {
        		region: duo-preview
        		weapons: [
        			{
        			    x: 0
        			    y: 0
        			    reload: 20
        				shoot: {
        					type: ShootAlternate
        					spread: 3.5
        				}
        				bullet: {
        					width: 7
        					height: 9
        					lifetime: 60
        					frontColor: eac1a8
        					backColor: d39169
        				}
        			}
        		]
        	}
        }
        """));

        assertEquals(new Seq<>(), Vars.state.patcher.patches.first().warnings);
    }
}