Apply code formatting rules to async-method-invocation example tests
This commit is contained in:
Ilkka Seppala
parent
601964a2d1
commit
6c1f025d0f
@ -30,272 +30,287 @@ import static org.mockito.internal.verification.VerificationModeFactory.times;
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*/
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public class ThreadAsyncExecutorTest {
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable)}
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*/
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@Test(timeout = 3000)
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public void testSuccessfulTaskWithoutCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable)}
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*/
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@Test(timeout = 3000)
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public void testSuccessfulTaskWithoutCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenReturn(result);
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenReturn(result);
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final AsyncResult<Object> asyncResult = executor.startProcess(task);
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assertNotNull(asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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final AsyncResult<Object> asyncResult = executor.startProcess(task);
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assertNotNull(asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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// Our task should only execute once ...
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verify(task, times(1)).call();
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// Our task should only execute once ...
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verify(task, times(1)).call();
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)}
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*/
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@Test(timeout = 3000)
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public void testSuccessfulTaskWithCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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/**
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* Test used to verify the happy path of
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* {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)}
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*/
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@Test(timeout = 3000)
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public void testSuccessfulTaskWithCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenReturn(result);
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenReturn(result);
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final AsyncCallback callback = mock(AsyncCallback.class);
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final AsyncResult<Object> asyncResult = executor.startProcess(task, callback);
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assertNotNull(asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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final AsyncCallback callback = mock(AsyncCallback.class);
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final AsyncResult<Object> asyncResult = executor.startProcess(task, callback);
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assertNotNull(asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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// Our task should only execute once ...
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verify(task, times(1)).call();
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// Our task should only execute once ...
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verify(task, times(1)).call();
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// ... same for the callback, we expect our object
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final ArgumentCaptor<Optional<Exception>> optionalCaptor = ArgumentCaptor.forClass((Class) Optional.class);
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verify(callback, times(1)).onComplete(eq(result), optionalCaptor.capture());
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// ... same for the callback, we expect our object
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final ArgumentCaptor<Optional<Exception>> optionalCaptor = ArgumentCaptor
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.forClass((Class) Optional.class);
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verify(callback, times(1)).onComplete(eq(result), optionalCaptor.capture());
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final Optional<Exception> optionalException = optionalCaptor.getValue();
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assertNotNull(optionalException);
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assertFalse(optionalException.isPresent());
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final Optional<Exception> optionalException = optionalCaptor.getValue();
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assertNotNull(optionalException);
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assertFalse(optionalException.isPresent());
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable)}
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* when a task takes a while to execute
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*/
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@Test(timeout = 5000)
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public void testLongRunningTaskWithoutCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable)} when a
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* task takes a while to execute
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*/
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@Test(timeout = 5000)
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public void testLongRunningTaskWithoutCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenAnswer(i -> {
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Thread.sleep(1500);
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return result;
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});
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenAnswer(i -> {
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Thread.sleep(1500);
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return result;
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});
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final AsyncResult<Object> asyncResult = executor.startProcess(task);
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assertNotNull(asyncResult);
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assertFalse(asyncResult.isCompleted());
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final AsyncResult<Object> asyncResult = executor.startProcess(task);
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assertNotNull(asyncResult);
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assertFalse(asyncResult.isCompleted());
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try {
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asyncResult.getValue();
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fail("Expected IllegalStateException when calling AsyncResult#getValue on a non-completed task");
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} catch (IllegalStateException e) {
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assertNotNull(e.getMessage());
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}
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try {
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asyncResult.getValue();
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fail(
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"Expected IllegalStateException when calling AsyncResult#getValue on a non-completed task");
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} catch (IllegalStateException e) {
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assertNotNull(e.getMessage());
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}
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// Our task should only execute once, but it can take a while ...
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verify(task, timeout(3000).times(1)).call();
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// Our task should only execute once, but it can take a while ...
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verify(task, timeout(3000).times(1)).call();
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// Prevent timing issues, and wait until the result is available
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asyncResult.await();
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assertTrue(asyncResult.isCompleted());
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verifyNoMoreInteractions(task);
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// Prevent timing issues, and wait until the result is available
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asyncResult.await();
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assertTrue(asyncResult.isCompleted());
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verifyNoMoreInteractions(task);
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)}
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* when a task takes a while to execute
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*/
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@Test(timeout = 5000)
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public void testLongRunningTaskWithCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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/**
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* Test used to verify the happy path of
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* {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)} when a task takes a while to
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* execute
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*/
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@Test(timeout = 5000)
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public void testLongRunningTaskWithCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenAnswer(i -> {
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Thread.sleep(1500);
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return result;
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});
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenAnswer(i -> {
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Thread.sleep(1500);
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return result;
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});
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final AsyncCallback<Object> callback = mock(AsyncCallback.class);
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final AsyncResult<Object> asyncResult = executor.startProcess(task, callback);
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assertNotNull(asyncResult);
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assertFalse(asyncResult.isCompleted());
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final AsyncCallback<Object> callback = mock(AsyncCallback.class);
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final AsyncResult<Object> asyncResult = executor.startProcess(task, callback);
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assertNotNull(asyncResult);
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assertFalse(asyncResult.isCompleted());
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verifyZeroInteractions(callback);
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verifyZeroInteractions(callback);
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try {
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asyncResult.getValue();
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fail("Expected IllegalStateException when calling AsyncResult#getValue on a non-completed task");
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} catch (IllegalStateException e) {
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assertNotNull(e.getMessage());
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}
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try {
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asyncResult.getValue();
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fail(
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"Expected IllegalStateException when calling AsyncResult#getValue on a non-completed task");
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} catch (IllegalStateException e) {
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assertNotNull(e.getMessage());
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}
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// Our task should only execute once, but it can take a while ...
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verify(task, timeout(3000).times(1)).call();
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// Our task should only execute once, but it can take a while ...
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verify(task, timeout(3000).times(1)).call();
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final ArgumentCaptor<Optional<Exception>> optionalCaptor = ArgumentCaptor.forClass((Class) Optional.class);
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verify(callback, timeout(3000).times(1)).onComplete(eq(result), optionalCaptor.capture());
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final ArgumentCaptor<Optional<Exception>> optionalCaptor = ArgumentCaptor
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.forClass((Class) Optional.class);
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verify(callback, timeout(3000).times(1)).onComplete(eq(result), optionalCaptor.capture());
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final Optional<Exception> optionalException = optionalCaptor.getValue();
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assertNotNull(optionalException);
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assertFalse(optionalException.isPresent());
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final Optional<Exception> optionalException = optionalCaptor.getValue();
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assertNotNull(optionalException);
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assertFalse(optionalException.isPresent());
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// Prevent timing issues, and wait until the result is available
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asyncResult.await();
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assertTrue(asyncResult.isCompleted());
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verifyNoMoreInteractions(task, callback);
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// Prevent timing issues, and wait until the result is available
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asyncResult.await();
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assertTrue(asyncResult.isCompleted());
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verifyNoMoreInteractions(task, callback);
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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// ... and the result should be exactly the same object
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assertSame(result, asyncResult.getValue());
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}
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable)}
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* when a task takes a while to execute, while waiting on the result using {@link ThreadAsyncExecutor#endProcess(AsyncResult)}
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*/
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@Test(timeout = 5000)
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public void testEndProcess() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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/**
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* Test used to verify the happy path of {@link ThreadAsyncExecutor#startProcess(Callable)} when a
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* task takes a while to execute, while waiting on the result using
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* {@link ThreadAsyncExecutor#endProcess(AsyncResult)}
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*/
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@Test(timeout = 5000)
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public void testEndProcess() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenAnswer(i -> {
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Thread.sleep(1500);
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return result;
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});
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final Object result = new Object();
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final Callable<Object> task = mock(Callable.class);
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when(task.call()).thenAnswer(i -> {
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Thread.sleep(1500);
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return result;
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});
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final AsyncResult<Object> asyncResult = executor.startProcess(task);
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assertNotNull(asyncResult);
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assertFalse(asyncResult.isCompleted());
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final AsyncResult<Object> asyncResult = executor.startProcess(task);
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assertNotNull(asyncResult);
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assertFalse(asyncResult.isCompleted());
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try {
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asyncResult.getValue();
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fail("Expected IllegalStateException when calling AsyncResult#getValue on a non-completed task");
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} catch (IllegalStateException e) {
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assertNotNull(e.getMessage());
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}
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try {
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asyncResult.getValue();
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fail(
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"Expected IllegalStateException when calling AsyncResult#getValue on a non-completed task");
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} catch (IllegalStateException e) {
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assertNotNull(e.getMessage());
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}
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assertSame(result, executor.endProcess(asyncResult));
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verify(task, times(1)).call();
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assertTrue(asyncResult.isCompleted());
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assertSame(result, executor.endProcess(asyncResult));
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verify(task, times(1)).call();
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assertTrue(asyncResult.isCompleted());
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// Calling end process a second time while already finished should give the same result
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assertSame(result, executor.endProcess(asyncResult));
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verifyNoMoreInteractions(task);
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}
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// Calling end process a second time while already finished should give the same result
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assertSame(result, executor.endProcess(asyncResult));
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verifyNoMoreInteractions(task);
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}
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/**
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* Test used to verify the behaviour of {@link ThreadAsyncExecutor#startProcess(Callable)}
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* when the callable is 'null'
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*/
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@Test(timeout = 3000)
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public void testNullTask() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final AsyncResult<Object> asyncResult = executor.startProcess(null);
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/**
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* Test used to verify the behaviour of {@link ThreadAsyncExecutor#startProcess(Callable)} when
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* the callable is 'null'
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*/
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@Test(timeout = 3000)
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public void testNullTask() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final AsyncResult<Object> asyncResult = executor.startProcess(null);
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assertNotNull("The AsyncResult should not be 'null', even though the task was 'null'.", asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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assertNotNull("The AsyncResult should not be 'null', even though the task was 'null'.",
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asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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try {
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asyncResult.getValue();
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fail("Expected ExecutionException with NPE as cause");
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} catch (final ExecutionException e) {
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assertNotNull(e.getMessage());
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assertNotNull(e.getCause());
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assertEquals(NullPointerException.class, e.getCause().getClass());
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}
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try {
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asyncResult.getValue();
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fail("Expected ExecutionException with NPE as cause");
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} catch (final ExecutionException e) {
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assertNotNull(e.getMessage());
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assertNotNull(e.getCause());
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assertEquals(NullPointerException.class, e.getCause().getClass());
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}
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}
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}
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/**
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* Test used to verify the behaviour of {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)}
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* when the callable is 'null', but the asynchronous callback is provided
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*/
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@Test(timeout = 3000)
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public void testNullTaskWithCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final AsyncCallback<Object> callback = mock(AsyncCallback.class);
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final AsyncResult<Object> asyncResult = executor.startProcess(null, callback);
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/**
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* Test used to verify the behaviour of
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* {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)} when the callable is 'null',
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* but the asynchronous callback is provided
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*/
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@Test(timeout = 3000)
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public void testNullTaskWithCallback() throws Exception {
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// Instantiate a new executor and start a new 'null' task ...
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final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
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final AsyncCallback<Object> callback = mock(AsyncCallback.class);
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final AsyncResult<Object> asyncResult = executor.startProcess(null, callback);
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assertNotNull("The AsyncResult should not be 'null', even though the task was 'null'.", asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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assertNotNull("The AsyncResult should not be 'null', even though the task was 'null'.",
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asyncResult);
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asyncResult.await(); // Prevent timing issues, and wait until the result is available
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assertTrue(asyncResult.isCompleted());
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final ArgumentCaptor<Optional<Exception>> optionalCaptor = ArgumentCaptor.forClass((Class) Optional.class);
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verify(callback, times(1)).onComplete(Matchers.isNull(), optionalCaptor.capture());
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final ArgumentCaptor<Optional<Exception>> optionalCaptor = ArgumentCaptor
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.forClass((Class) Optional.class);
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verify(callback, times(1)).onComplete(Matchers.isNull(), optionalCaptor.capture());
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final Optional<Exception> optionalException = optionalCaptor.getValue();
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assertNotNull(optionalException);
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assertTrue(optionalException.isPresent());
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final Optional<Exception> optionalException = optionalCaptor.getValue();
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assertNotNull(optionalException);
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assertTrue(optionalException.isPresent());
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final Exception exception = optionalException.get();
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assertNotNull(exception);
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assertEquals(NullPointerException.class, exception.getClass());
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final Exception exception = optionalException.get();
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assertNotNull(exception);
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assertEquals(NullPointerException.class, exception.getClass());
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try {
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asyncResult.getValue();
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fail("Expected ExecutionException with NPE as cause");
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} catch (final ExecutionException e) {
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assertNotNull(e.getMessage());
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assertNotNull(e.getCause());
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assertEquals(NullPointerException.class, e.getCause().getClass());
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}
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try {
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asyncResult.getValue();
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fail("Expected ExecutionException with NPE as cause");
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} catch (final ExecutionException e) {
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assertNotNull(e.getMessage());
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assertNotNull(e.getCause());
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assertEquals(NullPointerException.class, e.getCause().getClass());
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}
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}
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}
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/**
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* Test used to verify the behaviour of {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)}
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* when both the callable and the asynchronous callback are 'null'
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*/
|
||||
@Test(timeout = 3000)
|
||||
public void testNullTaskWithNullCallback() throws Exception {
|
||||
// Instantiate a new executor and start a new 'null' task ...
|
||||
final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
|
||||
final AsyncResult<Object> asyncResult = executor.startProcess(null, null);
|
||||
/**
|
||||
* Test used to verify the behaviour of
|
||||
* {@link ThreadAsyncExecutor#startProcess(Callable, AsyncCallback)} when both the callable and
|
||||
* the asynchronous callback are 'null'
|
||||
*/
|
||||
@Test(timeout = 3000)
|
||||
public void testNullTaskWithNullCallback() throws Exception {
|
||||
// Instantiate a new executor and start a new 'null' task ...
|
||||
final ThreadAsyncExecutor executor = new ThreadAsyncExecutor();
|
||||
final AsyncResult<Object> asyncResult = executor.startProcess(null, null);
|
||||
|
||||
assertNotNull("The AsyncResult should not be 'null', even though the task and callback were 'null'.", asyncResult);
|
||||
asyncResult.await(); // Prevent timing issues, and wait until the result is available
|
||||
assertTrue(asyncResult.isCompleted());
|
||||
assertNotNull(
|
||||
"The AsyncResult should not be 'null', even though the task and callback were 'null'.",
|
||||
asyncResult);
|
||||
asyncResult.await(); // Prevent timing issues, and wait until the result is available
|
||||
assertTrue(asyncResult.isCompleted());
|
||||
|
||||
try {
|
||||
asyncResult.getValue();
|
||||
fail("Expected ExecutionException with NPE as cause");
|
||||
} catch (final ExecutionException e) {
|
||||
assertNotNull(e.getMessage());
|
||||
assertNotNull(e.getCause());
|
||||
assertEquals(NullPointerException.class, e.getCause().getClass());
|
||||
}
|
||||
try {
|
||||
asyncResult.getValue();
|
||||
fail("Expected ExecutionException with NPE as cause");
|
||||
} catch (final ExecutionException e) {
|
||||
assertNotNull(e.getMessage());
|
||||
assertNotNull(e.getCause());
|
||||
assertEquals(NullPointerException.class, e.getCause().getClass());
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user