#919 - io.ebean package initial

src/test/java/io/ebeaninternal/server/cache/DefaultServerCacheTest.java

@@ -0,0 +1,88 @@
+package io.ebeaninternal.server.cache;
+
+import io.ebean.cache.ServerCacheOptions;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class DefaultServerCacheTest {
+
+  private DefaultServerCache createCache() {
+
+    ServerCacheOptions cacheOptions = new ServerCacheOptions();
+    cacheOptions.setMaxSize(100);
+    cacheOptions.setMaxIdleSecs(60);
+    cacheOptions.setMaxSecsToLive(600);
+    cacheOptions.setTrimFrequency(60);
+
+    return new DefaultServerCache("foo", cacheOptions);
+  }
+
+  @Test
+  public void testGetHitRatio() throws Exception {
+
+    DefaultServerCache cache = createCache();
+    assertEquals(0, cache.getHitRatio());
+    cache.put("A", "A");
+    cache.get("A");
+    assertEquals(100, cache.getHitRatio());
+    cache.get("B");
+    assertEquals(50, cache.getHitRatio());
+    cache.get("B");
+    cache.get("B");
+    assertEquals(25, cache.getHitRatio());
+  }
+
+  @Test
+  public void testSize() throws Exception {
+
+    DefaultServerCache cache = createCache();
+    assertEquals(0, cache.size());
+    cache.put("A", "A");
+    assertEquals(1, cache.size());
+    cache.put("A", "B");
+    assertEquals(1, cache.size());
+    cache.put("B", "B");
+    assertEquals(2, cache.size());
+
+    cache.remove("B");
+    cache.remove("A");
+    assertEquals(0, cache.size());
+  }
+
+  @Test
+  public void trimFreq_halfIdle() throws Exception {
+
+    DefaultServerCache cache = new DefaultServerCache("", null, 10000, 10, 20, 0);
+    assertEquals(cache.trimFrequency, 4);
+  }
+
+  @Test
+  public void trimFreq_halfIdle_withRounding() throws Exception {
+
+    DefaultServerCache cache = new DefaultServerCache("", null, 10000, 11, 20, 0);
+    assertEquals(cache.trimFrequency, 4);
+  }
+
+  @Test
+  public void trimFreq_halfTTL() throws Exception {
+
+    DefaultServerCache cache = new DefaultServerCache("", null, 10000, 0, 20, 0);
+    assertEquals(cache.trimFrequency, 9);
+  }
+
+  @Test
+  public void trimFreq_halfTTL_withRounding() throws Exception {
+
+    DefaultServerCache cache = new DefaultServerCache("", null, 10000, 0, 21, 0);
+    assertEquals(cache.trimFrequency, 9);
+  }
+
+  @Test
+  public void trimFreq_explicit() throws Exception {
+
+    DefaultServerCache cache = new DefaultServerCache("", null, 10000, 10, 20, 42);
+    assertEquals(cache.trimFrequency, 42);
+  }
+
+}