Examples with TransferListener com.amazonaws.mobileconnectors.s3.transferutility.TransferListener used on opensource projects

Example 6 with TransferListener

use of com.amazonaws.mobileconnectors.s3.transferutility.TransferListener in project amplify-android by aws-amplify.

the class StorageComponentTest method testDownloadError.

/**
 * Test that calling download file method from Storage category fails
 * successfully when {@link TransferListener} emits an error.
 *
 * @throws IOException when the temporary file cannot be created
 */
@Test
public void testDownloadError() throws IOException {
    final StorageException testError = new StorageException("Test error message", "Test recovery message");
    final String fromRemoteKey = RandomString.string();
    final File toLocalFile = new RandomTempFile();
    TransferObserver observer = mock(TransferObserver.class);
    when(storageService.downloadToFile(anyString(), any(File.class))).thenReturn(observer);
    doAnswer(invocation -> {
        TransferListener listener = invocation.getArgument(0);
        listener.onError(0, testError);
        return null;
    }).when(observer).setTransferListener(any(TransferListener.class));
    StorageException error = Await.<StorageDownloadFileResult, StorageException>error((onResult, onError) -> storage.downloadFile(fromRemoteKey, toLocalFile, onResult, onError));
    assertEquals(testError, error.getCause());
}