import org.junit.Test;

/**
 * Test class for ContentCache.
 * Tests memory-based and file-based content caching.
 */
public class ContentCacheTest {

    private File tempFile;

    @After
    public void tearDown() {
        if (tempFile != null && tempFile.exists()) {
            tempFile.delete();
        }
    }

    @Test
    public void testMemoryBasedCacheConstructor() {

  // Shut down the server. Instances cannot be reused.
  server.close()
}
```

Your unit tests might move the `server` into a field so you can shut it down
from your test's `tearDown()`.

### API

#### MockResponse

Mock responses default to an empty response body and a `200` status code.
You can set a custom body with a string, input stream or byte array. Also

    }

    @Override
    public void tearDown() throws Exception {
        if (tempDir != null && tempDir.exists()) {
            deleteDirectory(tempDir);
        }
        ComponentUtil.setFessConfig(null);
        super.tearDown();
    }

    private void deleteDirectory(File dir) {
        if (dir.isDirectory()) {

  private var serverSocket: ServerSocket? = null

  @BeforeEach fun setUp() {
    executorService = Executors.newCachedThreadPool(threadFactory("HandshakeCertificatesTest"))
  }

  @AfterEach fun tearDown() {
    executorService.shutdown()
    serverSocket?.closeQuietly()
  }

  @Test fun clientAndServer() {
    platform.assumeNotConscrypt()
    platform.assumeNotBouncyCastle()

    val clientRoot =

    // Create a latch and a future that waits on the latch.
    latch = new CountDownLatch(1);
    future = createListenableFuture(Boolean.TRUE, null, latch);
  }

  @Override
  protected void tearDown() throws Exception {

    // Make sure we have no waiting threads.
    latch.countDown();
  }

  /** Constructs a listenable future with a value available after the latch has counted down. */

        };
        ComponentUtil.register(postbox, "postbox");

        ComponentUtil.register(crawler, Crawler.class.getCanonicalName());
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
        // Clear static fields
        clearStaticFields();
    }

    private void clearStaticFields() throws Exception {

        secureRandom = new SecureRandom();
        preauthService = new PreauthIntegrityService(secureRandom, PreauthIntegrityService.HASH_ALGO_SHA512, true);
    }

    @AfterEach
    public void tearDown() {
        if (preauthService != null) {
            preauthService.cleanup();
        }
    }

    @Test
    @DisplayName("Test preauth salt generation")
    public void testPreauthSaltGeneration() {

        lenient().when(mockConfig.getWitnessReconnectDelay()).thenReturn(1000L);
        lenient().when(mockConfig.isWitnessServiceDiscovery()).thenReturn(true);
    }

    @AfterEach
    void tearDown() {
        if (mockService != null) {
            mockService.close();
        }
    }

    @Test
    void testMockServiceLifecycle() throws Exception {
        assertNotNull(mockService.getAddress());

        ComponentUtil.register(testServletContext, ServletContext.class.getCanonicalName());
    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown();
    }

    // Test filename setter
    public void test_filename() {
        assertNull(pythonJob.filename);

    @Override
    public void setUp() throws Exception {
        super.setUp();
        webApiFilter = new WebApiFilter();
    }

    @Override
    public void tearDown() throws Exception {
        // Clear WebApiManagerFactory
        super.tearDown();
    }

    // Test constructor
    public void test_constructor() {
        assertNotNull(new WebApiFilter());
    }

    // Test init method