CIiP-WS-2021-2022-Projektarbeit_CliArcadeService/src/test/java/Game/GameTest.java

package Game;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.ArrayList;

import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.Mockito.mock;

class GameTest {

    private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
    private final PrintStream originalOut = System.out;

    Game game;

    @BeforeEach
    void setUp() {
        System.setOut(new PrintStream(outContent));
        game = mock(Game.class, Mockito.CALLS_REAL_METHODS);
    }

    @AfterEach
    void tearDown() {
        System.setOut(originalOut);
    }

    @Test
    public void print() {
        ArrayList<String> testOB = new ArrayList<>();
        testOB.add("Hello");
        testOB.add("World");
        testOB.add("!!!");
        game.setOutputBuffer(testOB);
        game.print();
        assertEquals("Hello\nWorld\n!!!\n", outContent.toString().replaceAll("\r", ""));
    }
}