DataTestIT.java 文件源码

@Test
public void testUpdateAfterSetLeafNodeWorks() throws InterruptedException {
  DatabaseReference ref = IntegrationTestUtils.getRandomNode(masterApp);
  final Semaphore semaphore = new Semaphore(0);
  final Map<String, Object> expected = new MapBuilder().put("a", 1L).put("b", 2L).build();

  ref.addValueEventListener(new ValueEventListener() {
    @Override
    public void onDataChange(DataSnapshot snapshot) {
      if (DeepEquals.deepEquals(snapshot.getValue(), expected)) {
        semaphore.release();
      }
    }

    @Override
    public void onCancelled(DatabaseError error) {
    }
  });
  ref.setValueAsync(42);
  ref.updateChildrenAsync(expected);

  TestHelpers.waitFor(semaphore);
}