Merged Engine into the Core! Woooo open source

test/resources/server_info/TestObjectDatabase.java

@@ -0,0 +1,95 @@
+package resources.server_info;
+
+import java.io.File;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+import resources.server_info.ObjectDatabase.Traverser;
+
+@RunWith(JUnit4.class)
+public class TestObjectDatabase {
+	
+	private void cleanup(String filename) {
+		File f = new File(filename);
+		f.delete();
+	}
+	
+	@Test
+	public void testPutGet() {
+		cleanup("test_odb.db");
+		UncachedObjectDatabase<Integer> odb = new UncachedObjectDatabase<Integer>("test_odb.db");
+		odb.put(500, 1024);
+		Assert.assertEquals(1024, odb.get(500).intValue());
+		odb.put("testString", 128);
+		Assert.assertEquals(128, odb.get("testString").intValue());
+	}
+	
+	@Test
+	public void testClearCache() {
+		cleanup("test_odb.db");
+		UncachedObjectDatabase<Integer> odb = new UncachedObjectDatabase<Integer>("test_odb.db");
+		odb.put(500, 1024);
+		Assert.assertEquals(1024, odb.get(500).intValue());
+		odb.clearCache();
+		Assert.assertEquals(null, odb.get(500));
+	}
+	
+	@Test
+	public void testSaveLoad() {
+		cleanup("test_odb.db");
+		UncachedObjectDatabase<Integer> odb = new UncachedObjectDatabase<Integer>("test_odb.db");
+		odb.put(500, 1024);
+		Assert.assertEquals(1024, odb.get(500).intValue());
+		odb.save();
+		odb = new UncachedObjectDatabase<Integer>("test_odb.db");
+		Assert.assertEquals(1024, odb.get(500).intValue());
+	}
+	
+	@Test
+	public void testSaveClearCache() {
+		cleanup("test_odb.db");
+		UncachedObjectDatabase<Integer> odb = new UncachedObjectDatabase<Integer>("test_odb.db");
+		odb.put(500, 1024);
+		Assert.assertEquals(1024, odb.get(500).intValue());
+		odb.save();
+		odb.clearCache();
+		Assert.assertEquals(1024, odb.get(500).intValue());
+		Assert.assertEquals(1024, odb.get(500).intValue());
+	}
+	
+	@Test
+	public void testCache() {
+		cleanup("test_odb.db");
+		UncachedObjectDatabase<Integer> odb = new UncachedObjectDatabase<Integer>("test_odb.db");
+		odb.put(500, 1024);
+		Assert.assertEquals(1024, odb.get(500).intValue());
+		odb.save();
+		odb.clearCache();
+		odb.loadToCache();
+		long start = System.nanoTime();
+		Integer get = odb.get(500);
+		long end = System.nanoTime();
+		Assert.assertEquals(1024, get.intValue());
+		Assert.assertTrue("Cached get() must have taken less than 0.01ms - time: " + (end-start)/1E6 + "ms", (end-start)/1E6 <= 0.01);
+	}
+	
+	@Test
+	public void testTraverser() {
+		cleanup("test_odb.db");
+		UncachedObjectDatabase<Integer> odb = new UncachedObjectDatabase<Integer>("test_odb.db");
+		odb.put(1024, 301);
+		odb.put(2048, 301);
+		odb.put(4096, 301);
+		final int [] traverseLoops = new int[] {0};
+		odb.traverse(new Traverser<Integer>() {
+			public void process(Integer i) {
+				traverseLoops[0]++;
+			}
+		});
+		Assert.assertEquals(3, traverseLoops[0]);
+	}
+	
+}