JavaAdventureRepo/test/cz/davza/studentadventure/commands/InteractCommandTest.java

package cz.davza.studentadventure.commands;

import cz.davza.studentadventure.Items.Book;
import cz.davza.studentadventure.Items.Computer;
import cz.davza.studentadventure.TestHelpers;
import cz.davza.studentadventure.enums.CommandState;
import cz.davza.studentadventure.objects.CommandResult;
import cz.davza.studentadventure.objects.GameData;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static cz.davza.studentadventure.TestHelpers.execute;
import static org.junit.jupiter.api.Assertions.*;

class InteractCommandTest {

    private GameData context;

    @BeforeEach
    void setUp() {
        context = TestHelpers.buildGameData();
        // Walk to computer lab: bedroom → hallway → studyroom → computerlab
        context.getMap().setNextRoom(context.getMap().getCurrentRoom().getExit("hallway"));
        context.getMap().commitRoomChange();
        context.getMap().setNextRoom(context.getMap().getCurrentRoom().getExit("studyroom"));
        context.getMap().commitRoomChange();
        context.getMap().setNextRoom(context.getMap().getCurrentRoom().getExit("computerlab"));
        context.getMap().commitRoomChange();
    }

    @Test
    void interactWithComputerReturnsActionPending() {
        CommandResult result = execute("interact computer", context);
        assertEquals(CommandState.ACTION_PENDING, result.getResultState());
    }

    @Test
    void interactWithComputerSetsNewHandler() {
        CommandResult result = execute("interact computer", context);
        assertNotNull(result.getNewCommandHandler());
    }

    @Test
    void interactWithNonExistentItemReturnsNotInteractable() {
        CommandResult result = execute("interact ghost", context);
        assertEquals(CommandState.ITEM_NOT_INTERACTABLE, result.getResultState());
    }

    @Test
    void interactWithCollectableReturnsNotInteractable() {
        // Book is in computer lab and is collectable, not interactable
        CommandResult result = execute("interact book", context);
        assertEquals(CommandState.ITEM_NOT_INTERACTABLE, result.getResultState());
    }

    @Test
    void interactWithNoParamsReturnsInvalidParams() {
        CommandResult result = execute("interact", context);
        assertEquals(CommandState.INVALID_PARAMS, result.getResultState());
    }
}