BinaryOperationTest.java
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package kernel.test;
import kernel.Cell;
import kernel.Grid;
import kernel.LanguageEnum;
import kernel.exception.CreateCycleException;
import kernel.exception.InvalidIntervalException;
import kernel.function.Sum;
import kernel.operation.Addition;
import kernel.operation.Division;
import kernel.operation.Multiplication;
import kernel.operation.Subtraction;
import org.junit.Before;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import static org.junit.Assert.assertEquals;
public class BinaryOperationTest {
private List<Cell> cells;
@Before
public void initData() throws CreateCycleException, InvalidIntervalException {
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.);
List<Cell> sumList = new ArrayList<>();
sumList.add(a1);
sumList.add(a2);
sumList.add(a3);
Cell b1 = new Cell("B", 1, new Sum(sumList));
this.cells.add(a1);
this.cells.add(a2);
this.cells.add(a3);
this.cells.add(b1);
}
@Test
public void testAddition() {
Cell a1 = this.cells.stream().filter(c -> c.getId().equals("A1")).findFirst().orElse(null);
Cell a2 = this.cells.stream().filter(c -> c.getId().equals("A2")).findFirst().orElse(null);
Addition addition = new Addition(a1, a2);
assertEquals(10, addition.eval(), 0);
assertEquals("(A1+A2)", addition.toString());
assertEquals("(A1+A2)", addition.getDevelopedFormula());
Cell b1 = this.cells.stream().filter(c -> c.getId().equals("B1")).findFirst().orElse(null);
addition = new Addition(a1, b1);
assertEquals(40, addition.eval(), 0);
assertEquals("(A1+B1)", addition.toString());
assertEquals("(A1+SUM(A1,A2,A3))", addition.getDevelopedFormula());
}
@Test
public void testMultiplication() {
Cell a1 = this.cells.stream().filter(c -> c.getId().equals("A1")).findFirst().orElse(null);
Cell a3 = this.cells.stream().filter(c -> c.getId().equals("A3")).findFirst().orElse(null);
Multiplication multiplication = new Multiplication(a1, a3);
assertEquals(200, multiplication.eval(), 0);
assertEquals("(A1*A3)", multiplication.toString());
assertEquals("(A1*A3)", multiplication.getDevelopedFormula());
Cell b1 = this.cells.stream().filter(c -> c.getId().equals("B1")).findFirst().orElse(null);
multiplication = new Multiplication(a1, b1);
assertEquals(300, multiplication.eval(), 0);
assertEquals("(A1*B1)", multiplication.toString());
assertEquals("(A1*SUM(A1,A2,A3))", multiplication.getDevelopedFormula());
}
@Test
public void testSubtraction() {
Cell a1 = this.cells.stream().filter(c -> c.getId().equals("A1")).findFirst().orElse(null);
Cell a3 = this.cells.stream().filter(c -> c.getId().equals("A3")).findFirst().orElse(null);
Subtraction subtraction = new Subtraction(a3, a1);
assertEquals(10, subtraction.eval(), 0);
assertEquals("(A3-A1)", subtraction.toString());
assertEquals("(A3-A1)", subtraction.getDevelopedFormula());
Cell b1 = this.cells.stream().filter(c -> c.getId().equals("B1")).findFirst().orElse(null);
subtraction = new Subtraction(a1, b1);
assertEquals(-20, subtraction.eval(), 0);
assertEquals("(A1-B1)", subtraction.toString());
assertEquals("(A1-SUM(A1,A2,A3))", subtraction.getDevelopedFormula());
}
@Test
public void testDivision() {
Cell a1 = this.cells.stream().filter(c -> c.getId().equals("A1")).findFirst().orElse(null);
Cell a3 = this.cells.stream().filter(c -> c.getId().equals("A3")).findFirst().orElse(null);
Division division = new Division(a3, a1);
assertEquals(2, division.eval(), 0);
assertEquals("(A3/A1)", division.toString());
assertEquals("(A3/A1)", division.getDevelopedFormula());
Cell b1 = this.cells.stream().filter(c -> c.getId().equals("B1")).findFirst().orElse(null);
division = new Division(b1, a1);
assertEquals(3, division.eval(), 0);
assertEquals("(B1/A1)", division.toString());
assertEquals("(SUM(A1,A2,A3)/A1)", division.getDevelopedFormula());
}
}