Minestom/src/test/java/net/minestom/server/entity/player/PlayerBlockPlacementIntegrationTest.java

package net.minestom.server.entity.player;

import net.minestom.testing.Env;
import net.minestom.testing.EnvTest;
import net.minestom.server.coordinate.Pos;
import net.minestom.server.entity.GameMode;
import net.minestom.server.entity.Player;
import net.minestom.server.instance.block.Block;
import net.minestom.server.instance.block.BlockFace;
import net.minestom.server.item.ItemStack;
import net.minestom.server.item.Material;
import net.minestom.server.network.packet.client.play.ClientPlayerBlockPlacementPacket;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;

import java.util.stream.Stream;

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

@EnvTest
public class PlayerBlockPlacementIntegrationTest {

    @ParameterizedTest
    @MethodSource("placeBlockFromAdventureModeParams")
    public void placeBlockFromAdventureMode(Block baseBlock, Block canPlaceOn, Env env) {
        var instance = env.createFlatInstance();
        var connection = env.createConnection();
        var player = connection.connect(instance, new Pos(0, 42, 0)).join();

        instance.setBlock(2, 41, 0, baseBlock);

        player.setGameMode(GameMode.ADVENTURE);
        player.setItemInMainHand(ItemStack.builder(Material.WHITE_WOOL).meta(m -> m.canPlaceOn(canPlaceOn)).build());

        var packet = new ClientPlayerBlockPlacementPacket(
                Player.Hand.MAIN, new Pos(2, 41, 0), BlockFace.WEST,
                1f, 1f, 1f,
                false, 0
        );
        player.addPacketToQueue(packet);
        player.interpretPacketQueue();

        var placedBlock = instance.getBlock(1, 41, 0);

        assertEquals("minecraft:white_wool", placedBlock.name());
    }

    private static Stream<Arguments> placeBlockFromAdventureModeParams() {
        return Stream.of(
                Arguments.of(Block.ACACIA_STAIRS.withProperty("facing", "south"), Block.ACACIA_STAIRS),
                Arguments.of(Block.ACACIA_STAIRS, Block.ACACIA_STAIRS.withProperty("facing", "south")),
                Arguments.of(Block.ACACIA_STAIRS.withProperty("facing", "south"), Block.ACACIA_STAIRS.withProperty("facing", "south")),
                Arguments.of(Block.AMETHYST_BLOCK, Block.AMETHYST_BLOCK));
    }

}