Examples with FakeTicker com.google.common.testing.FakeTicker used on opensource projects

Example 21 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by hceylan.

the class CacheLoadingTest method testRefreshNull.

public void testRefreshNull() {
    final Object one = new Object();
    FakeTicker ticker = new FakeTicker();
    CacheLoader<Object, Object> loader = new CacheLoader<Object, Object>() {

        @Override
        public Object load(Object key) {
            return one;
        }

        @Override
        public ListenableFuture<Object> reload(Object key, Object oldValue) {
            return Futures.immediateFuture(null);
        }
    };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().ticker(ticker).refreshAfterWrite(1, MILLISECONDS).build(loader);
    Object key = new Object();
    CacheStats stats = cache.stats();
    assertEquals(0, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    assertSame(one, cache.getUnchecked(key));
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(1, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());
    ticker.advance(1, MILLISECONDS);
    assertSame(one, cache.getUnchecked(key));
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(1, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(1, stats.hitCount());
    ticker.advance(1, MILLISECONDS);
    assertSame(one, cache.getUnchecked(key));
    // refreshed
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(1, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(2, stats.hitCount());
    ticker.advance(1, MILLISECONDS);
    assertSame(one, cache.getUnchecked(key));
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(1, stats.loadSuccessCount());
    assertEquals(2, stats.loadExceptionCount());
    assertEquals(3, stats.hitCount());
}

Example 22 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by google.

the class CacheBuilderGwtTest method setUp.

@Override
protected void setUp() throws Exception {
    super.setUp();
    fakeTicker = new FakeTicker();
}

Example 23 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by google.

the class CacheExpirationTest method testExpirationOrder_writeAccess.

public void testExpirationOrder_writeAccess() throws ExecutionException {
    // test lru within a single segment
    FakeTicker ticker = new FakeTicker();
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache = CacheBuilder.newBuilder().concurrencyLevel(1).expireAfterWrite(5, MILLISECONDS).expireAfterAccess(3, MILLISECONDS).ticker(ticker).build(loader);
    for (int i = 0; i < 5; i++) {
        cache.getUnchecked(i);
    }
    ticker.advance(1, MILLISECONDS);
    for (int i = 5; i < 10; i++) {
        cache.getUnchecked(i);
    }
    ticker.advance(1, MILLISECONDS);
    Set<Integer> keySet = cache.asMap().keySet();
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
    // get saves 1, 3; 0, 2, 4 expire
    getAll(cache, asList(1, 3));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(5, 6, 7, 8, 9, 1, 3);
    // get saves 6, 8; 5, 7, 9 expire
    getAll(cache, asList(6, 8));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(1, 3, 6, 8);
    // get fails to save 1, put saves 3
    cache.asMap().put(3, -3);
    getAll(cache, asList(1));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(6, 8, 3);
    // get(K, Callable) fails to save 8, replace saves 6
    cache.asMap().replace(6, -6);
    cache.get(8, Callables.returning(-8));
    CacheTesting.drainRecencyQueues(cache);
    ticker.advance(1, MILLISECONDS);
    assertThat(keySet).containsExactly(3, 6);
}

Example 24 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by google.

the class CacheExpirationTest method testRemovalScheduler_expireAfterBoth.

public void testRemovalScheduler_expireAfterBoth() {
    FakeTicker ticker = new FakeTicker();
    CountingRemovalListener<String, Integer> removalListener = countingRemovalListener();
    WatchedCreatorLoader loader = new WatchedCreatorLoader();
    LoadingCache<String, Integer> cache = CacheBuilder.newBuilder().expireAfterAccess(EXPIRING_TIME, MILLISECONDS).expireAfterWrite(EXPIRING_TIME, MILLISECONDS).removalListener(removalListener).ticker(ticker).build(loader);
    runRemovalScheduler(cache, removalListener, loader, ticker, KEY_PREFIX, EXPIRING_TIME);
}

Example 25 with FakeTicker

use of com.google.common.testing.FakeTicker in project guava by google.

the class CacheExpirationTest method testRemovalScheduler_expireAfterAccess.

public void testRemovalScheduler_expireAfterAccess() {
    FakeTicker ticker = new FakeTicker();
    CountingRemovalListener<String, Integer> removalListener = countingRemovalListener();
    WatchedCreatorLoader loader = new WatchedCreatorLoader();
    LoadingCache<String, Integer> cache = CacheBuilder.newBuilder().expireAfterAccess(EXPIRING_TIME, MILLISECONDS).removalListener(removalListener).ticker(ticker).build(loader);
    runRemovalScheduler(cache, removalListener, loader, ticker, KEY_PREFIX, EXPIRING_TIME);
}