Test PlayQueue.setIndex(...)

This commit is contained in:
Eric Xu 2021-05-21 22:54:15 -04:00 committed by Zhiheng Xu
parent 8efe2859b8
commit 8d0f2d371d
1 changed files with 71 additions and 0 deletions

View File

@ -7,11 +7,15 @@ import org.junit.runner.RunWith;
import org.schabi.newpipe.extractor.stream.StreamInfoItem; import org.schabi.newpipe.extractor.stream.StreamInfoItem;
import org.schabi.newpipe.extractor.stream.StreamType; import org.schabi.newpipe.extractor.stream.StreamType;
import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
import java.util.List; import java.util.List;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals; import static org.junit.Assert.assertNotEquals;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
@SuppressWarnings("checkstyle:HideUtilityClassConstructor") @SuppressWarnings("checkstyle:HideUtilityClassConstructor")
@RunWith(Enclosed.class) @RunWith(Enclosed.class)
@ -31,6 +35,73 @@ public class PlayQueueTest {
}; };
} }
public static class SetIndexTests {
private static final int SIZE = 5;
private PlayQueue nonEmptyQueue;
private PlayQueue emptyQueue;
@Before
public void setup() {
nonEmptyQueue = spy(mockPlayQueue(
0, Collections.nCopies(SIZE, mock(PlayQueueItem.class))
));
emptyQueue = spy(mockPlayQueue(0, new ArrayList<>()));
}
@Test
public void negative() {
nonEmptyQueue.setIndex(-5);
assertEquals(0, nonEmptyQueue.getIndex());
emptyQueue.setIndex(-5);
assertEquals(0, nonEmptyQueue.getIndex());
}
@Test
public void inBounds() {
nonEmptyQueue.setIndex(2);
assertEquals(2, nonEmptyQueue.getIndex());
// emptyQueue not tested because 0 isn't technically inBounds
}
@Test
public void outOfBoundIsComplete() {
doReturn(true).when(nonEmptyQueue).isComplete();
nonEmptyQueue.setIndex(7);
assertEquals(2, nonEmptyQueue.getIndex());
doReturn(true).when(emptyQueue).isComplete();
emptyQueue.setIndex(2);
assertEquals(0, emptyQueue.getIndex());
}
@Test
public void outOfBoundsNotComplete() {
doReturn(false).when(nonEmptyQueue).isComplete();
nonEmptyQueue.setIndex(7);
assertEquals(SIZE - 1, nonEmptyQueue.getIndex());
doReturn(false).when(emptyQueue).isComplete();
emptyQueue.setIndex(2);
assertEquals(0, emptyQueue.getIndex());
}
@Test
public void indexZero() {
nonEmptyQueue.setIndex(0);
assertEquals(0, nonEmptyQueue.getIndex());
doReturn(true).when(emptyQueue).isComplete();
emptyQueue.setIndex(0);
assertEquals(0, emptyQueue.getIndex());
doReturn(false).when(emptyQueue).isComplete();
emptyQueue.setIndex(0);
assertEquals(0, emptyQueue.getIndex());
}
}
public static class EqualsTests { public static class EqualsTests {
private PlayQueueItem item1; private PlayQueueItem item1;
private PlayQueueItem item2; private PlayQueueItem item2;