GildedRose-Refactoring-Kata/Java-Approvals/src/test/java/com/gildedrose/GildedRoseApprovalTest.java

package com.gildedrose;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

import org.approvaltests.Approvals;
import org.approvaltests.reporters.DiffReporter;
import org.approvaltests.reporters.UseReporter;
import org.junit.jupiter.api.Test;
import org.w3c.dom.Text;

@UseReporter(DiffReporter.class)
public class GildedRoseApprovalTest {

	@Test
	public void foo() {

        Item[] items = new Item[] { new Item("foo", 0, 0) };
        GildedRose app = new GildedRose(items);
        app.updateQuality();

		Approvals.verifyAll("Items", items);
	}

    @Test
    public void thirtyDays() {

        ByteArrayOutputStream fakeoutput = new ByteArrayOutputStream();
        System.setOut(new PrintStream(fakeoutput));
        System.setIn(new ByteArrayInputStream("a\n".getBytes()));

        Program.main();
        String output = fakeoutput.toString();

        Approvals.verify(output);
    }
}