## Beispiel

Betrachten wir als einfaches Beispiel eine Dateistruktur ähnlich der in [Größere Anwendungen](../tutorial/bigger-applications.md){.internal-link target=_blank} und [Testen](../tutorial/testing.md){.internal-link target=_blank}:

```
.
├── app
│   ├── __init__.py
│   ├── main.py

import mockwebserver3.MockWebServer
import okhttp3.OkHttpClientTestRule
import okhttp3.RecordingEventListener
import okhttp3.Request
import okhttp3.sse.EventSource
import okhttp3.sse.EventSources.createFactory
import okhttp3.testing.PlatformRule
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.extension.RegisterExtension

import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Utility {@link CacheLoader} implementations intended for use in testing.
 *
 * @author mike nonemacher
 */
@GwtCompatible(emulated = true)
class TestingCacheLoaders {

  /**
   * Returns a {@link CacheLoader} that implements a naive {@link CacheLoader#loadAll}, delegating

           * well be a JDK bug.
           */
          || info.getName().contains("TypeTokenTest")
          /*
           * "IllegalAccess tried to access class
           * com.google.common.collect.testing.AbstractIteratorTester from class
           * com.google.common.collect.MultimapsTest"
           *
           * ...when we build with JDK 22 and run under JDK 8.
           */

// - graphdef and MLIR tracing engine
INSTANTIATE_TEST_SUITE_P(Tracing, UnifiedCAPI,
                         ::testing::Combine(::testing::Values("graphdef",
                                                              "mlir"),
                                            ::testing::Values(false)));

}  // namespace

    Future<?> second = serializer.submitAsync(secondCallable, directExecutor());
    assertThat(secondCallable.called).isFalse();
    assertThat(second.toString()).contains(secondCallable.toString());
    firstFuture.set(null);
    assertThat(second.toString()).contains(secondCallable.future.toString());
  }

  private static class BlockingCallable implements Callable<@Nullable Void> {

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.testing.Helpers;
import com.google.common.testing.NullPointerTester;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import junit.framework.TestCase;

        - com.google.common.io
        - com.google.common.math
        - com.google.common.net
        - com.google.common.primitives
        - com.google.common.reflect
        - com.google.common.testing
        - com.google.common.util.concurrent

  - type: checkboxes
    attributes:
      label: Checklist
      options:
        - label: >
            I agree to follow the

	}
	clientset, err := corev1client.NewForConfig(clientConfig)
	if err != nil {
		return nil, "", "", "", err
	}
	return clientset, "", namespace, selector.String(), nil
}

// this is used for testing. it should not be changed in regular code.
var getFirstPodFunc func(client corev1client.PodsGetter, namespace string, selector string, timeout time.Duration,
	sortBy func([]*corev1.Pod) sort.Interface) (*corev1.Pod, int, error)

import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import com.google.common.collect.ImmutableSet;
import com.google.common.testing.EqualsTester;
import java.util.Set;
import org.junit.After;
import org.junit.Test;

/**
 * Abstract base class for testing undirected {@link Network} implementations defined in this
 * package.
 */