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

Example 61 with FakeTicker

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

the class CacheLoadingTest method testRefreshUncheckedException.

public void testRefreshUncheckedException() {
    final Object one = new Object();
    final Exception e = new RuntimeException();
    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.immediateFailedFuture(e);
        }
    };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().recordStats().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 62 with FakeTicker

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

the class CacheLoadingTest method testRefresh.

public void testRefresh() {
    final Object one = new Object();
    final Object two = 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(two);
        }
    };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().recordStats().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(two, cache.getUnchecked(key));
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(2, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(2, stats.hitCount());
    ticker.advance(1, MILLISECONDS);
    assertSame(two, cache.getUnchecked(key));
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(2, stats.loadSuccessCount());
    assertEquals(0, stats.loadExceptionCount());
    assertEquals(3, stats.hitCount());
}

Example 63 with FakeTicker

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

the class CacheLoadingTest method testRefreshCheckedException.

public void testRefreshCheckedException() {
    final Object one = new Object();
    final Exception e = new Exception();
    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.immediateFailedFuture(e);
        }
    };
    LoadingCache<Object, Object> cache = CacheBuilder.newBuilder().recordStats().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 64 with FakeTicker

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

the class CacheExpirationTest method testExpiringGet_expireAfterAccess.

public void testExpiringGet_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);
    runExpirationTest(cache, loader, ticker, removalListener);
}

Example 65 with FakeTicker

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

the class CacheExpirationTest method testExpiringGet_expireAfterWrite.

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