* SettableFuture} or one of the methods in the {@link Futures#immediateFuture Futures.immediate*}
 * family. <b>Avoid</b> creating a mock or stub {@code Future}. Mock and stub implementations are
 * fragile because they assume that only certain methods will be called and because they often
 * implement subtleties of the API improperly.
 *

 * SettableFuture} or one of the methods in the {@link Futures#immediateFuture Futures.immediate*}
 * family. <b>Avoid</b> creating a mock or stub {@code Future}. Mock and stub implementations are
 * fragile because they assume that only certain methods will be called and because they often
 * implement subtleties of the API improperly.
 *

import com.google.common.util.concurrent.ListenableFuture;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import junit.framework.Assert;

/**
 * A simple mock implementation of {@code Runnable} that can be used for testing ListenableFutures.
 *
 * @author Nishant Thakkar
 * @since 10.0
 */
@GwtIncompatible
public class MockFutureListener implements Runnable {

import java.util.concurrent.Future;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import org.jspecify.annotations.Nullable;

/**
 * Utilities for treating interruptible operations as uninterruptible. In all cases, if a thread is

import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import jcifs.Configuration;
import jcifs.SmbConstants;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Strings;

/**
 * Test class for FileBothDirectoryInfo
 */
class FileBothDirectoryInfoTest {

    @Mock
    private Configuration mockConfig;

import org.junit.jupiter.params.provider.MethodSource;
import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import jcifs.Configuration;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Hexdump;

class NtTransNotifyChangeTest {

    @Mock
    private Configuration mockConfig;

    private NtTransNotifyChange notifyChange;

import org.testcontainers.junit.jupiter.Testcontainers

@Testcontainers
@Isolated
class BasicLoomTest {
  @JvmField
  @RegisterExtension
  val platform = PlatformRule()

  // Use mock server so we are strictly testing OkHttp client only in this test.
  // We should test MockWebServer later.
  @Container
  val mockServer: MockServerContainer = MockServerContainer(MOCKSERVER_IMAGE)

Neste caso, você pode sobrepor (*override*) a dependência que chama o provedor, e utilizar uma dependência customizada que retorna um *mock* do usuário, apenas para os seus testes.

### Utilize o atributo `app.dependency_overrides` { #use-the-app-dependency-overrides-attribute }

import org.dbflute.utflute.core.PlainTestCase;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

/**
 * Test class for {@link UrlQueueServiceImpl}.
 */
public class UrlQueueServiceImplTest extends PlainTestCase {

    @InjectMocks
    private UrlQueueServiceImpl service;

    @Mock
    private MemoryDataHelper dataHelper;

    @Override

            return "Free up disk space or use a different location";
        case QUOTA:
            return "Contact administrator to increase quota limits";
        case LOCK:
            return "Release existing locks or wait for them to be released";
        case BUFFER:
            return "Reduce buffer usage or increase buffer pool size";
        case THREAD_POOL: