/** Tests that we can save and load a persistent store in a repeatable way */
@Test
public void testLoadPersistentStore() throws IOException, InterruptedException {
// initialise
String cacheName = "testLoadPersistent";
Store store = createPersistentDiskStore(cacheName);
store.removeAll();
waitShorter();
for (int i = 0; i < 100; i++) {
byte[] data = new byte[1024];
store.put(new Element("key" + (i + 100), data));
}
store.flush();
waitShorter();
assertEquals(ELEMENT_ON_DISK_SIZE * 100, store.getOnDiskSizeInBytes());
assertEquals(100, store.getSize());
manager.removeCache(cacheName);
Thread.sleep(3000);
// check that we can create and dispose several times with no problems and no lost data
for (int i = 0; i < 10; i++) {
store = createPersistentDiskStore(cacheName);
File dataFile = ((DiskPersistentStore) store).getDataFile();
assertTrue("File exists", dataFile.exists());
assertEquals(100 * ELEMENT_ON_DISK_SIZE, dataFile.length());
assertEquals(100, store.getSize());
manager.removeCache(cacheName);
assertTrue("File exists", dataFile.exists());
assertEquals(100 * ELEMENT_ON_DISK_SIZE, dataFile.length());
}
}
/**
* Tests that we can save and load a persistent store in a repeatable way, and delete and add
* data.
*/
@Test
public void testLoadPersistentStoreWithDelete() throws IOException, InterruptedException {
// initialise
String cacheName = "testPersistentWithDelete";
Store diskStore = createPersistentDiskStore(cacheName);
diskStore.removeAll();
for (int i = 0; i < 100; i++) {
byte[] data = new byte[1024];
diskStore.put(new Element("key" + (i + 100), data));
}
waitShorter();
assertEquals(ELEMENT_ON_DISK_SIZE * 100, diskStore.getOnDiskSizeInBytes());
assertEquals(100, diskStore.getSize());
manager.removeCache(cacheName);
diskStore = createPersistentDiskStore(cacheName);
File dataFile = ((DiskPersistentStore) diskStore).getDataFile();
assertTrue("File exists", dataFile.exists());
assertEquals(100 * ELEMENT_ON_DISK_SIZE, dataFile.length());
assertEquals(100, diskStore.getSize());
diskStore.remove("key100");
assertEquals(100 * ELEMENT_ON_DISK_SIZE, dataFile.length());
assertEquals(99, diskStore.getSize());
manager.removeCache(cacheName);
diskStore = createPersistentDiskStore(cacheName);
assertTrue("File exists", dataFile.exists());
assertEquals(100 * ELEMENT_ON_DISK_SIZE, dataFile.length());
assertEquals(99, diskStore.getSize());
diskStore.put(new Element("key100", new byte[1024]));
diskStore.flush();
waitShorter();
assertEquals(100 * ELEMENT_ON_DISK_SIZE, dataFile.length());
assertEquals(100, diskStore.getSize());
}