// Create link-attachment
Attachment attachment = taskService.createAttachment("test", task.getId(), processInstance.getId(), "attachment name", "description", "http://activiti.org");
assertNull(attachment.getUserId());
assertEquals(2, listener.getEventsReceived().size());
ActivitiEntityEvent event = (ActivitiEntityEvent) listener.getEventsReceived().get(0);
assertEquals(ActivitiEventType.ENTITY_CREATED, event.getType());
assertEquals(processInstance.getId(), event.getProcessInstanceId());
assertEquals(processInstance.getId(), event.getExecutionId());
assertEquals(processInstance.getProcessDefinitionId(), event.getProcessDefinitionId());
Attachment attachmentFromEvent = (Attachment) event.getEntity();
assertEquals(attachment.getId(), attachmentFromEvent.getId());
event = (ActivitiEntityEvent) listener.getEventsReceived().get(1);
assertEquals(ActivitiEventType.ENTITY_INITIALIZED, event.getType());
assertEquals(processInstance.getId(), event.getProcessInstanceId());
assertEquals(processInstance.getId(), event.getExecutionId());
assertEquals(processInstance.getProcessDefinitionId(), event.getProcessDefinitionId());
attachmentFromEvent = (Attachment) event.getEntity();
assertEquals(attachment.getId(), attachmentFromEvent.getId());
listener.clearEventsReceived();
// Create binary attachment
Authentication.setAuthenticatedUserId("testuser");
attachment = taskService.createAttachment("test", task.getId(), processInstance.getId(), "attachment name", "description", new ByteArrayInputStream("test".getBytes()));
assertNotNull(attachment.getUserId());
assertEquals("testuser", attachment.getUserId());
assertEquals(2, listener.getEventsReceived().size());
event = (ActivitiEntityEvent) listener.getEventsReceived().get(0);
assertEquals(ActivitiEventType.ENTITY_CREATED, event.getType());
assertEquals(processInstance.getId(), event.getProcessInstanceId());
assertEquals(processInstance.getId(), event.getExecutionId());
assertEquals(processInstance.getProcessDefinitionId(), event.getProcessDefinitionId());
attachmentFromEvent = (Attachment) event.getEntity();
assertEquals(attachment.getId(), attachmentFromEvent.getId());
event = (ActivitiEntityEvent) listener.getEventsReceived().get(1);
assertEquals(ActivitiEventType.ENTITY_INITIALIZED, event.getType());
listener.clearEventsReceived();
// Update attachment
attachment = taskService.getAttachment(attachment.getId());
attachment.setDescription("Description");
taskService.saveAttachment(attachment);
assertEquals(1, listener.getEventsReceived().size());
event = (ActivitiEntityEvent) listener.getEventsReceived().get(0);
assertEquals(ActivitiEventType.ENTITY_UPDATED, event.getType());
assertEquals(processInstance.getId(), event.getProcessInstanceId());
assertEquals(processInstance.getId(), event.getExecutionId());
assertEquals(processInstance.getProcessDefinitionId(), event.getProcessDefinitionId());
attachmentFromEvent = (Attachment) event.getEntity();
assertEquals(attachment.getId(), attachmentFromEvent.getId());
assertEquals("Description", attachmentFromEvent.getDescription());
listener.clearEventsReceived();
// Finally, delete attachment
taskService.deleteAttachment(attachment.getId());
assertEquals(1, listener.getEventsReceived().size());
event = (ActivitiEntityEvent) listener.getEventsReceived().get(0);
assertEquals(ActivitiEventType.ENTITY_DELETED, event.getType());
assertEquals(processInstance.getId(), event.getProcessInstanceId());
assertEquals(processInstance.getId(), event.getExecutionId());
assertEquals(processInstance.getProcessDefinitionId(), event.getProcessDefinitionId());
attachmentFromEvent = (Attachment) event.getEntity();
assertEquals(attachment.getId(), attachmentFromEvent.getId());
}
}