Merge pull request #2862 from davidmoten/test-warnings

Cleanup warnings in test source

Author: akarnokd

src/test/java/rx/CovarianceTest.java

@@ -106,6 +106,7 @@ public String call(Movie m) {
         assertEquals(6, ts.getOnNextEvents().size());
     }
 
+    @SuppressWarnings("unused")
     @Test
     public void testCovarianceOfCompose() {
         Observable<HorrorMovie> movie = Observable.just(new HorrorMovie());
@@ -119,6 +120,7 @@ public Observable<Movie> call(Observable<Movie> t1) {
         });
     }
 
+    @SuppressWarnings("unused")
     @Test
     public void testCovarianceOfCompose2() {
         Observable<Movie> movie = Observable.<Movie> just(new HorrorMovie());
@@ -130,6 +132,7 @@ public Observable<HorrorMovie> call(Observable<Movie> t1) {
         });
     }
 
+    @SuppressWarnings("unused")
     @Test
     public void testCovarianceOfCompose3() {
         Observable<Movie> movie = Observable.<Movie>just(new HorrorMovie());
@@ -147,6 +150,7 @@ public HorrorMovie call(HorrorMovie horrorMovie) {
         });
     }
 
+    @SuppressWarnings("unused")
     @Test
     public void testCovarianceOfCompose4() {
         Observable<HorrorMovie> movie = Observable.just(new HorrorMovie());
@@ -201,7 +205,7 @@ public Observable<Movie> call(List<List<Movie>> listOfLists) {
                 oldList.removeAll(newList);
 
                 // for all left in the oldList we'll create DROP events
-                for (Movie old : oldList) {
+                for (@SuppressWarnings("unused") Movie old : oldList) {
                     delta.add(new Movie());
                 }
 

src/test/java/rx/ObservableTests.java

@@ -1054,9 +1054,9 @@ public Observable<String> call(String s) {
 
     @Test
     public void testTakeWhileToList() {
-        int[] nums = {1, 2, 3};
+        final int expectedCount = 3;
         final AtomicInteger count = new AtomicInteger();
-        for(final int n: nums) {
+        for (int i = 0;i < expectedCount; i++) {
             Observable
                     .just(Boolean.TRUE, Boolean.FALSE)
                     .takeWhile(new Func1<Boolean, Boolean>() {
@@ -1074,7 +1074,7 @@ public void call(List<Boolean> booleans) {
                     })
                     .subscribe();
         }
-        assertEquals(nums.length, count.get());
+        assertEquals(expectedCount, count.get());
     }
 
     @Test

src/test/java/rx/internal/operators/OnSubscribeToObservableFutureTest.java

@@ -88,7 +88,7 @@ public void testCancelledBeforeSubscribe() throws Exception {
 
         TestSubscriber<Object> testSubscriber = new TestSubscriber<Object>(o);
         testSubscriber.unsubscribe();
-        Subscription sub = Observable.from(future).subscribe(testSubscriber);
+        Observable.from(future).subscribe(testSubscriber);
         assertEquals(0, testSubscriber.getOnErrorEvents().size());
         assertEquals(0, testSubscriber.getOnCompletedEvents().size());
     }

src/test/java/rx/internal/operators/OperatorConcatTest.java

@@ -485,11 +485,11 @@ public boolean isUnsubscribed() {
         private final T seed;
         private final int size;
 
-        public TestObservable(T... values) {
+        public TestObservable(@SuppressWarnings("unchecked") T... values) {
             this(null, null, values);
         }
 
-        public TestObservable(CountDownLatch once, CountDownLatch okToContinue, T... values) {
+        public TestObservable(CountDownLatch once, CountDownLatch okToContinue, @SuppressWarnings("unchecked") T... values) {
             this.values = Arrays.asList(values);
             this.size = this.values.size();
             this.once = once;

src/test/java/rx/internal/operators/OperatorDoOnEachTest.java

@@ -123,9 +123,9 @@ public void call(String s) {
     @Test
     public void testIssue1451Case1() {
         // https://github.com/Netflix/RxJava/issues/1451
-        int[] nums = { 1, 2, 3 };
+        final int expectedCount = 3;
         final AtomicInteger count = new AtomicInteger();
-        for (final int n : nums) {
+        for (int i=0; i < expectedCount; i++) {
             Observable
                     .just(Boolean.TRUE, Boolean.FALSE)
                     .takeWhile(new Func1<Boolean, Boolean>() {
@@ -143,15 +143,15 @@ public void call(List<Boolean> booleans) {
                     })
                     .subscribe();
         }
-        assertEquals(nums.length, count.get());
+        assertEquals(expectedCount, count.get());
     }
 
     @Test
     public void testIssue1451Case2() {
         // https://github.com/Netflix/RxJava/issues/1451
-        int[] nums = { 1, 2, 3 };
+        final int expectedCount = 3;
         final AtomicInteger count = new AtomicInteger();
-        for (final int n : nums) {
+        for (int i=0; i < expectedCount; i++) {
             Observable
                     .just(Boolean.TRUE, Boolean.FALSE, Boolean.FALSE)
                     .takeWhile(new Func1<Boolean, Boolean>() {
@@ -169,7 +169,7 @@ public void call(List<Boolean> booleans) {
                     })
                     .subscribe();
         }
-        assertEquals(nums.length, count.get());
+        assertEquals(expectedCount, count.get());
     }
 
     @Test

src/test/java/rx/internal/operators/OperatorMulticastTest.java

@@ -21,7 +21,6 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import org.junit.Assert;
 import org.junit.Test;
 
 import rx.Observer;

src/test/java/rx/internal/operators/OperatorOnErrorResumeNextViaObservableTest.java

@@ -21,8 +21,6 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 
-import java.util.concurrent.TimeUnit;
-
 import org.junit.Test;
 import org.mockito.Mockito;
 
@@ -109,7 +107,6 @@ public String call(String s) {
 
     @Test
     public void testResumeNextWithFailedOnSubscribe() {
-        Subscription s = mock(Subscription.class);
         Observable<String> testObservable = Observable.create(new OnSubscribe<String>() {
 
             @Override
@@ -132,7 +129,6 @@ public void call(Subscriber<? super String> t1) {
 
     @Test
     public void testResumeNextWithFailedOnSubscribeAsync() {
-        Subscription s = mock(Subscription.class);
         Observable<String> testObservable = Observable.create(new OnSubscribe<String>() {
 
             @Override

src/test/java/rx/internal/operators/OperatorPublishTest.java

@@ -251,7 +251,7 @@ public void testConnectWithNoSubscriber() {
         co.connect();
         // Emit 0
         scheduler.advanceTimeBy(15, TimeUnit.MILLISECONDS);
-        TestSubscriber subscriber = new TestSubscriber<Long>();
+        TestSubscriber<Long> subscriber = new TestSubscriber<Long>();
         co.subscribe(subscriber);
         // Emit 1 and 2
         scheduler.advanceTimeBy(50, TimeUnit.MILLISECONDS);

src/test/java/rx/internal/operators/OperatorReplayTest.java

@@ -15,18 +15,24 @@
  */
 package rx.internal.operators;
 
+import static org.junit.Assert.assertEquals;
 import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.notNull;
+import static org.mockito.Mockito.inOrder;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
 
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Matchers.notNull;
-import static org.mockito.Mockito.*;
 
 import org.junit.Test;
 import org.mockito.InOrder;
 
-
 import rx.Observable;
 import rx.Observer;
 import rx.Scheduler;
@@ -523,14 +529,15 @@ public void call() {
     /**
      * test the basic expectation of OperatorMulticast via replay
      */
+    @SuppressWarnings("unchecked")
     @Test
     public void testIssue2191_UnsubscribeSource() {
         // setup mocks
-        Action1 sourceNext = mock(Action1.class);
+        Action1<Integer> sourceNext = mock(Action1.class);
         Action0 sourceCompleted = mock(Action0.class);
         Action0 sourceUnsubscribed = mock(Action0.class);
-        Observer spiedSubscriberBeforeConnect = mock(Observer.class);
-        Observer spiedSubscriberAfterConnect = mock(Observer.class);
+        Observer<Integer> spiedSubscriberBeforeConnect = mock(Observer.class);
+        Observer<Integer> spiedSubscriberAfterConnect = mock(Observer.class);
 
         // Observable under test
         Observable<Integer> source = Observable.just(1,2);
@@ -570,17 +577,18 @@ public void testIssue2191_UnsubscribeSource() {
      *
      * @throws Exception
      */
+    @SuppressWarnings("unchecked")
     @Test
     public void testIssue2191_SchedulerUnsubscribe() throws Exception {
         // setup mocks
-        Action1 sourceNext = mock(Action1.class);
+        Action1<Integer> sourceNext = mock(Action1.class);
         Action0 sourceCompleted = mock(Action0.class);
         Action0 sourceUnsubscribed = mock(Action0.class);
         final Scheduler mockScheduler = mock(Scheduler.class);
         final Subscription mockSubscription = mock(Subscription.class);
         Worker spiedWorker = workerSpy(mockSubscription);
-        Observer mockObserverBeforeConnect = mock(Observer.class);
-        Observer mockObserverAfterConnect = mock(Observer.class);
+        Observer<Integer> mockObserverBeforeConnect = mock(Observer.class);
+        Observer<Integer> mockObserverAfterConnect = mock(Observer.class);
 
         when(mockScheduler.createWorker()).thenReturn(spiedWorker);
 
@@ -626,18 +634,19 @@ public void testIssue2191_SchedulerUnsubscribe() throws Exception {
      *
      * @throws Exception
      */
+    @SuppressWarnings("unchecked")
     @Test
     public void testIssue2191_SchedulerUnsubscribeOnError() throws Exception {
         // setup mocks
-        Action1 sourceNext = mock(Action1.class);
+        Action1<Integer> sourceNext = mock(Action1.class);
         Action0 sourceCompleted = mock(Action0.class);
-        Action1 sourceError = mock(Action1.class);
+        Action1<Throwable> sourceError = mock(Action1.class);
         Action0 sourceUnsubscribed = mock(Action0.class);
         final Scheduler mockScheduler = mock(Scheduler.class);
         final Subscription mockSubscription = mock(Subscription.class);
         Worker spiedWorker = workerSpy(mockSubscription);
-        Observer mockObserverBeforeConnect = mock(Observer.class);
-        Observer mockObserverAfterConnect = mock(Observer.class);
+        Observer<Integer> mockObserverBeforeConnect = mock(Observer.class);
+        Observer<Integer> mockObserverAfterConnect = mock(Observer.class);
 
         when(mockScheduler.createWorker()).thenReturn(spiedWorker);
 
@@ -682,14 +691,14 @@ public void testIssue2191_SchedulerUnsubscribeOnError() throws Exception {
         verifyNoMoreInteractions(mockObserverAfterConnect);
     }
 
-    private static void verifyObserverMock(Observer mock, int numSubscriptions, int numItemsExpected) {
-        verify(mock, times(numItemsExpected)).onNext(notNull());
+    private static void verifyObserverMock(Observer<Integer> mock, int numSubscriptions, int numItemsExpected) {
+        verify(mock, times(numItemsExpected)).onNext((Integer) notNull());
         verify(mock, times(numSubscriptions)).onCompleted();
         verifyNoMoreInteractions(mock);
     }
 
-    private static void verifyObserver(Observer mock, int numSubscriptions, int numItemsExpected, Throwable error) {
-        verify(mock, times(numItemsExpected)).onNext(notNull());
+    private static void verifyObserver(Observer<Integer> mock, int numSubscriptions, int numItemsExpected, Throwable error) {
+        verify(mock, times(numItemsExpected)).onNext((Integer) notNull());
         verify(mock, times(numSubscriptions)).onError(error);
         verifyNoMoreInteractions(mock);
     }

src/test/java/rx/internal/operators/OperatorSampleTest.java

@@ -33,7 +33,6 @@
 import rx.functions.Action0;
 import rx.schedulers.TestScheduler;
 import rx.subjects.PublishSubject;
-import rx.subscriptions.Subscriptions;
 
 public class OperatorSampleTest {
     private TestScheduler scheduler;