package jawabansinonim_gmail_com; import static org.junit.Assert.assertEquals; import java.io.ByteArrayOutputStream; import java.io.PrintStream; import java.util.Arrays; import org.junit.After; import org.junit.Before; import org.junit.Test; public class JUnitNewsFeedTest { private final ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); private final PrintStream oPrintStream = System.out; @Before public void setUpStream() { System.setOut(new PrintStream(outputStream)); } @After public void restoreStream() { System.setOut(oPrintStream); } @Test public void isNewsFeed() { jawabansinonim_gmail_com.NewsFeed.main(null); assertEquals("Topic not same", "[Opinion, Tech, Science, Health]", outputStream.toString()); } }