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refactor test - break ItemEnqueuePositionCalculatorTest to be more modular
to prepare for testing more complex enqueue options.
This commit is contained in:
orionlee
parent
17e61335db
commit
0973efa943
@ -7,6 +7,7 @@ import org.junit.runners.Parameterized.Parameter;
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import org.junit.runners.Parameterized.Parameters;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Date;
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import java.util.List;
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@ -20,86 +21,108 @@ import static org.junit.Assert.assertEquals;
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public class DBWriterTest {
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@RunWith(Parameterized.class)
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public static class ItemEnqueuePositionCalculatorTest {
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@Parameters(name = "{index}: case<{0}>, expected:{1}")
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public static Iterable<Object[]> data() {
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Options optDefault = new Options();
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Options optEnqAtFront = new Options().setEnqueueAtFront(true);
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Options optKeepInProgressAtFront =
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new Options().setEnqueueAtFront(true).setKeepInProgressAtFront(true);
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// edge case: keep in progress without enabling enqueue at front is meaningless
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Options optKeepInProgressAtFrontWithNoEnqueueAtFront =
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new Options().setKeepInProgressAtFront(true);
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@RunWith(Parameterized.class)
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public static class IEPCBasicTest {
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@Parameters(name = "{index}: case<{0}>, expected:{1}")
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public static Iterable<Object[]> data() {
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Options optDefault = new Options();
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Options optEnqAtFront = new Options().setEnqueueAtFront(true);
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return Arrays.asList(new Object[][] {
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{"case default, i.e., add to the end",
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QUEUE_DEFAULT.size(), optDefault , 0, QUEUE_DEFAULT},
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{"case default (2nd item)",
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QUEUE_DEFAULT.size(), optDefault , 1, QUEUE_DEFAULT},
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{"case option enqueue at front",
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0, optEnqAtFront , 0, QUEUE_DEFAULT},
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{"case option enqueue at front (2nd item)",
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1, optEnqAtFront , 1, QUEUE_DEFAULT},
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{"case empty queue, option default",
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0, optDefault, 0, QUEUE_EMPTY},
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{"case empty queue, option enqueue at front",
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0, optEnqAtFront, 0, QUEUE_EMPTY},
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});
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}
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@Parameter
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public String message;
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@Parameter(1)
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public int posExpected;
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@Parameter(2)
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public Options options;
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@Parameter(3)
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public int posAmongAdded; // the position of feed item to be inserted among the list to be inserted.
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@Parameter(4)
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public List<FeedItem> curQueue;
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return Arrays.asList(new Object[][] {
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{"case default, i.e., add to the end",
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QUEUE_DEFAULT.size(), optDefault , 0, QUEUE_DEFAULT},
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{"case default (2nd item)",
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QUEUE_DEFAULT.size(), optDefault , 1, QUEUE_DEFAULT},
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{"case option enqueue at front",
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0, optEnqAtFront , 0, QUEUE_DEFAULT},
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{"case option enqueue at front (2nd item)",
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1, optEnqAtFront , 1, QUEUE_DEFAULT},
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{"case option keep in progress at front",
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1, optKeepInProgressAtFront , 0, QUEUE_FRONT_IN_PROGRESS},
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{"case option keep in progress at front (2nd item)",
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2, optKeepInProgressAtFront , 1, QUEUE_FRONT_IN_PROGRESS},
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{"case option keep in progress at front, front item not in progress",
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0, optKeepInProgressAtFront , 0, QUEUE_DEFAULT},
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{"case option keep in progress at front, front item no media at all",
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0, optKeepInProgressAtFront , 0, QUEUE_FRONT_NO_MEDIA}, // No media should not cause any exception
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{"case option keep in progress at front, but enqueue at front is disabled",
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QUEUE_FRONT_IN_PROGRESS.size(), optKeepInProgressAtFrontWithNoEnqueueAtFront , 0, QUEUE_FRONT_IN_PROGRESS},
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{"case empty queue, option default",
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0, optDefault, 0, QUEUE_EMPTY},
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{"case empty queue, option enqueue at front",
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0, optEnqAtFront, 0, QUEUE_EMPTY},
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{"case empty queue, option keep in progress at front",
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0, optKeepInProgressAtFront, 0, QUEUE_EMPTY},
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public static final int TFI_TO_ADD_ID = 101;
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/**
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* Add a FeedItem with ID {@link #TFI_TO_ADD_ID} with the setup
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*/
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@Test
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public void test() {
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ItemEnqueuePositionCalculator calculator = new ItemEnqueuePositionCalculator(options);
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int posActual = calculator.calcPosition(posAmongAdded, tFI(TFI_TO_ADD_ID), curQueue);
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assertEquals(message, posExpected , posActual);
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}
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});
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}
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private static final List<FeedItem> QUEUE_EMPTY = Arrays.asList();
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@RunWith(Parameterized.class)
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public static class IEPCKeepInProgressAtFrontTest extends IEPCBasicTest {
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@Parameters(name = "{index}: case<{0}>, expected:{1}")
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public static Iterable<Object[]> data() {
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Options optKeepInProgressAtFront =
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new Options().setEnqueueAtFront(true).setKeepInProgressAtFront(true);
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// edge case: keep in progress without enabling enqueue at front is meaningless
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Options optKeepInProgressAtFrontWithNoEnqueueAtFront =
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new Options().setKeepInProgressAtFront(true);
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private static final List<FeedItem> QUEUE_DEFAULT = Arrays.asList(tFI(11), tFI(12), tFI(13), tFI(14));
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return Arrays.asList(new Object[][]{
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{"case option keep in progress at front",
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1, optKeepInProgressAtFront, 0, QUEUE_FRONT_IN_PROGRESS},
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{"case option keep in progress at front (2nd item)",
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2, optKeepInProgressAtFront, 1, QUEUE_FRONT_IN_PROGRESS},
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{"case option keep in progress at front, front item not in progress",
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0, optKeepInProgressAtFront, 0, QUEUE_DEFAULT},
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{"case option keep in progress at front, front item no media at all",
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0, optKeepInProgressAtFront, 0, QUEUE_FRONT_NO_MEDIA}, // No media should not cause any exception
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{"case option keep in progress at front, but enqueue at front is disabled",
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QUEUE_FRONT_IN_PROGRESS.size(), optKeepInProgressAtFrontWithNoEnqueueAtFront, 0, QUEUE_FRONT_IN_PROGRESS},
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{"case empty queue, option keep in progress at front",
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0, optKeepInProgressAtFront, 0, QUEUE_EMPTY},
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});
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}
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private static final List<FeedItem> QUEUE_FRONT_IN_PROGRESS = Arrays.asList(tFI(11, 60000), tFI(12), tFI(13));
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private static final List<FeedItem> QUEUE_FRONT_IN_PROGRESS = Arrays.asList(tFI(11, 60000), tFI(12), tFI(13));
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private static final List<FeedItem> QUEUE_FRONT_NO_MEDIA = Arrays.asList(tFINoMedia(11), tFI(12), tFI(13));
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private static final List<FeedItem> QUEUE_FRONT_NO_MEDIA = Arrays.asList(tFINoMedia(11), tFI(12), tFI(13));
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@Parameter
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public String message;
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@Parameter(1)
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public int posExpected;
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@Parameter(2)
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public Options options;
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@Parameter(3)
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public int posAmongAdded; // the position of feed item to be inserted among the list to be inserted.
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@Parameter(4)
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public List<FeedItem> curQueue;
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@Test
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public void test() {
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ItemEnqueuePositionCalculator calculator = new ItemEnqueuePositionCalculator(options);
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int posActual = calculator.calcPosition(posAmongAdded, tFI(101), curQueue);
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assertEquals(message, posExpected , posActual);
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}
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private static FeedItem tFI(int id) {
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// Common helpers:
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// - common queue (of items) for tests
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// - construct FeedItems for tests
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static final List<FeedItem> QUEUE_EMPTY = Collections.unmodifiableList(Arrays.asList());
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static final List<FeedItem> QUEUE_DEFAULT = Collections.unmodifiableList(Arrays.asList(tFI(11), tFI(12), tFI(13), tFI(14)));
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static FeedItem tFI(int id) {
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return tFI(id, -1);
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}
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private static FeedItem tFI(int id, int position) {
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static FeedItem tFI(int id, int position) {
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FeedItem item = tFINoMedia(id);
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FeedMedia media = new FeedMedia(item, "download_url", 1234567, "audio/mpeg");
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item.setMedia(media);
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@ -111,11 +134,12 @@ public class DBWriterTest {
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return item;
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}
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private static FeedItem tFINoMedia(int id) {
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static FeedItem tFINoMedia(int id) {
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FeedItem item = new FeedItem(0, "Item" + id, "ItemId" + id, "url",
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new Date(), FeedItem.PLAYED, FeedMother.anyFeed());
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return item;
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}
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}
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}
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