package de.edu.hsfulda.ciip.tdd;

import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.*;

import java.util.Arrays;
import java.util.List;

import org.junit.Rule;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;

public class StatusAliveTest {

	@Rule
	public MockitoRule mockitoRule = MockitoJUnit.rule();

	@Mock
	State dead;

	@Test
	public void changeToDeadIfOneAliveNeighbor() {
		// arrange
		State stateAlive = new StateAlive();
		List<State> neigborStates = Arrays.asList(stateAlive,dead,dead,dead,dead,dead,dead,dead);

		// act
		State result = stateAlive.nextBy(neigborStates);

		// assert
		assertNotNull("",result);
		assertThat("changed to dead", result.getClass(), not(equalTo(stateAlive.getClass())));
	}
	
	@Test
	public void KeepSateAliveWithTwoLivingNeighbors() {
		// arrange
		State stateAlive = new StateAlive();
		List<State> neigborStates = Arrays.asList(stateAlive,stateAlive,dead,dead,dead,dead,dead,dead);
		
		// act
		State result = stateAlive.nextBy(neigborStates);

		// assert
		assertNotNull("",result);
		assertThat("Still alive", result.getClass(), (equalTo(stateAlive.getClass())));
	}
	
	
}