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Java Unit Testing in Java How to Test Using Before to not repeat yourself

In the section "using before to not repeat yourself" what is the answer I am stuck?

I have be on this section for days and I can not get the answer please help.

com/example/CalculatorTest.java
package com.example;

import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.*;

public class CalculatorTest {

    @Before
    public void setUp() throws Exception {

    }

    @Test
    public void addingMultipleNumbersProducesResult() throws Exception {
        Calculator calculator = new Calculator();

        int answer = calculator.addNumbers(1 ,2, 3);

        assertEquals(6, answer);
    }

    @Test
    public void addingSingleNumberTotalsAppropriately() throws Exception {
        Calculator calculator = new Calculator();

        int answer = calculator.addNumbers(1);

        assertEquals(1, answer);
    }
}
com/example/Calculator.java
package com.example;

public class Calculator {

    public int addNumbers(int... numbers) {
        int total = 0;
        for (int number : numbers) {
            total += number;
        }
        return total;
    }
}

1 Answer

Alexander Nikiforov
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Alexander Nikiforov
Java Web Development Techdegree Graduate 22,158 Points

Make sure you check answers for this particular code challenge by clicking 'Using Before to not repeat yourself' on the top of the page right above the title of your quesiton, in the following row:

Java -> Unit Testing in Java -> How to Test Using Before to not repeat yourself

Here is direct link just in case :

https://teamtreehouse.com/community/code-challenge:10512

One of my favorite answers from that list :

https://teamtreehouse.com/community/use-before-to-instantiate-a-object-in-junit

Check that out :)