@Test
@SuppressWarnings("unchecked")
public void testResourceChangeSet() throws IOException {
File tempDir = OperatingSystemUtils.createTempDir();
File file = createTempFile(tempDir, true);
ResourceTransaction transaction = resourceFactory.getTransaction();
Assert.assertNotNull(transaction);
Assert.assertFalse(transaction.isStarted());
transaction.begin();
Assert.assertTrue(transaction.isStarted());
FileResource<?> fileResource = resourceFactory.create(FileResource.class, file);
Assert.assertNotNull(fileResource);
fileResource.setContents("Hello World");
Assert.assertEquals("Hello World", fileResource.getContents());
Collection<ResourceEvent> changeSet = transaction.getChangeSet();
Assert.assertEquals(3, changeSet.size());
Iterator<ResourceEvent> iterator = changeSet.iterator();
// Created the file
{
ResourceEvent event = iterator.next();
Assert.assertThat(event, is(instanceOf(ResourceCreated.class)));
Assert.assertEquals(fileResource, event.getResource());
}
{
ResourceEvent event = iterator.next();
// Modified the Directory
Assert.assertThat(event, is(instanceOf(ResourceModified.class)));
Assert.assertThat(event.getResource(), is(instanceOf(DirectoryResource.class)));
}
{
ResourceEvent event = iterator.next();
// Modified the File resource
Assert.assertThat(event, is(instanceOf(ResourceModified.class)));
Assert.assertEquals(fileResource, event.getResource());
}
Assert.assertFalse(file.exists());
Assert.assertTrue(fileResource.exists());
transaction.commit();
Assert.assertTrue(fileResource.exists());
Assert.assertTrue(file.exists());
Assert.assertEquals("Hello World", fileResource.getContents());
}
