package kernel.test;
  
  import kernel.Cell;
  import kernel.Grid;
  import kernel.LanguageEnum;

  import kernel.function.Average;

  import kernel.function.Sum;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.util.ArrayList;
  import java.util.List;
  

  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotNull;
  

  public class FunctionTest {

  	
  	private List<Cell> cells;
  	
  	@Before

  	public void initData() {

  		Grid.language = LanguageEnum.EN;
  		this.cells = new ArrayList<>();
  		
  		Cell a1 = new Cell("A", 1, 10.);
  		Cell a2 = new Cell("A", 2, 0.);
  		Cell a3 = new Cell("A", 3, 20.);
  		
  		this.cells.add(a1);
  		this.cells.add(a2);
  		this.cells.add(a3);
  	}
  	
  	@Test
  	public void testSum() {
  		Sum sum = new Sum(this.cells);

  		
  		assertNotNull(sum);
  		assertEquals(30, sum.eval(), 0);
  		assertEquals("SUM(A1,A2,A3)", sum.toString());
  	}
  	
  	@Test
  	public void testAverage() {
  		Average average = new Average(this.cells);
  		
  		assertNotNull(average);
  		assertEquals(10, average.eval(), 0);
  		assertEquals("AVERAGE(A1,A2,A3)", average.toString());

  	}

  }