package de.aikiit.game.kaiser;
   
   import lombok.SneakyThrows;
   import org.junit.jupiter.api.BeforeEach;
   import org.junit.jupiter.api.Test;
   import org.mockito.Mock;
   import uk.org.webcompere.systemstubs.SystemStubs;
   
   import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  class KaiserGameTest {
  
      private KaiserGame game;
  
      @Mock
      private KaiserEngine mockedEngine;
  
      @BeforeEach
      void createNewGameUnderTest() {
          this.game = new KaiserGame();
      }
  
      @Test
      void intro() {
          assertDoesNotThrow(() -> game.intro());
      }
  
      @Test
      void banner() {
          assertDoesNotThrow(() -> game.banner());
      }
  
      @Test
      void byeByeBanner() {
          assertDoesNotThrow(() -> game.byeByeBanner());
      }
  
      @Test
      void finish() {
          assertDoesNotThrow(() -> game.finish());
      }
  
      @Test
      void status() {
          assertDoesNotThrow(() -> game.status());
      }
  
      @SneakyThrows
      @Test
      void actionsWithMockedEngine() {
          KaiserGame gameWithMockedEngine = new KaiserGame(mockedEngine);
  
          SystemStubs.withTextFromSystemIn("0")
                  .execute(() -> {
                      // as we can only stub one call to System.in, we get an exception from the second call
                      assertThrows(NullPointerException.class, gameWithMockedEngine::actions);
                  });
      }
  
      @SneakyThrows
      @Test
      void runWithMockedEngine() {
          KaiserGame gameWithMockedEngine = new KaiserGame(mockedEngine);
  
          SystemStubs.withTextFromSystemIn("0")
                  .execute(() -> {
                      // as we can only stub one call to System.in, we get an exception from the second call
                      assertThrows(NullPointerException.class, gameWithMockedEngine::run);
                  });
      }
  }