@Test
public void shouldRecoverTransactionWhereNodeIsDeletedInTheFuture() throws Exception {
// GIVEN
Node node;
try (Transaction tx = db.beginTx()) {
node = db.createNode(label);
node.setProperty("key", "value");
tx.success();
}
rotateLog();
try (Transaction tx = db.beginTx()) {
node.setProperty("other-key", 1);
tx.success();
}
try (Transaction tx = db.beginTx()) {
node.delete();
tx.success();
}
flushAll();
// WHEN
FileSystemAbstraction uncleanFs = fsRule.snapshot(shutdownDb(db));
db =
(GraphDatabaseAPI)
new TestGraphDatabaseFactory().setFileSystem(uncleanFs).newImpermanentDatabase();
// THEN
// -- really the problem was that recovery threw exception, so mostly assert that.
try (Transaction tx = db.beginTx()) {
node = db.getNodeById(node.getId());
fail("Should not exist");
} catch (NotFoundException e) {
assertEquals("Node " + node.getId() + " not found", e.getMessage());
}
}
@ExceptionHandler(NotFoundException.class)
@ResponseStatus(HttpStatus.NOT_FOUND)
@ResponseBody
public Map<String, String> handleNotFound(NotFoundException e) {
LOG.warn("Not Found: " + e.getMessage(), e);
return Collections.singletonMap("message", e.getMessage());
}