@Test
public void shouldRenewLeaseAtEachTraversal() {
Response response = createAPagedTraverser();
String traverserId = parseTraverserIdFromLocationUri(response);
((FakeClock) leaseManager.getClock()).forward(30, TimeUnit.SECONDS);
response = service.pagedTraverse(traverserId, TraverserReturnType.node);
assertEquals(200, response.getStatus());
((FakeClock) leaseManager.getClock()).forward(30, TimeUnit.SECONDS);
response = service.pagedTraverse(traverserId, TraverserReturnType.node);
assertEquals(200, response.getStatus());
((FakeClock) leaseManager.getClock())
.forward(enoughMinutesToExpireTheLease(), TimeUnit.MINUTES);
response = service.pagedTraverse(traverserId, TraverserReturnType.node);
assertEquals(404, response.getStatus());
}
@Test
public void shouldRespondWith404WhenTraversalHasExpired() {
Response response = createAPagedTraverser();
((FakeClock) leaseManager.getClock()).forward(2, TimeUnit.MINUTES);
String traverserId = parseTraverserIdFromLocationUri(response);
response = service.pagedTraverse(traverserId, TraverserReturnType.node);
assertEquals(404, response.getStatus());
}
@Test
public void givenAPageTraversalHasBeenCreatedShouldYieldNextPageAndRespondWith200()
throws Exception {
Response response = createAPagedTraverser();
String traverserId = parseTraverserIdFromLocationUri(response);
response = service.pagedTraverse(traverserId, TraverserReturnType.node);
assertEquals(200, response.getStatus());
assertNotNull(response.getEntity());
assertThat(new String((byte[]) response.getEntity()), not(containsString("\"name\" : \"19\"")));
assertThat(new String((byte[]) response.getEntity()), containsString("\"name\" : \"91\""));
}
private Response createAPagedTraverser() {
long startNodeId = createListOfNodes(1000);
String description =
"{"
+ "\"prune_evaluator\":{\"language\":\"builtin\",\"name\":\"none\"},"
+ "\"return_filter\":{\"language\":\"javascript\",\"body\":\"position.endNode().getProperty('name')"
+ ".contains('9');\"},"
+ "\"order\":\"depth first\","
+ "\"relationships\":{\"type\":\"PRECEDES\",\"direction\":\"out\"}"
+ "}";
final int SIXTY_SECONDS = 60;
final int PAGE_SIZE = 10;
return service.createPagedTraverser(
startNodeId, TraverserReturnType.node, PAGE_SIZE, SIXTY_SECONDS, description);
}
@Test
public void shouldRespondWith404WhenNoSuchTraversalRegistered() {
Response response = service.pagedTraverse("anUnlikelyTraverserId", TraverserReturnType.node);
assertEquals(404, response.getStatus());
}
