@Test
public void shouldNotSnapshotPopulatingIndexes() throws Exception {
// GIVEN
CountDownLatch populatorLatch = new CountDownLatch(1);
IndexAccessor indexAccessor = mock(IndexAccessor.class);
IndexingService indexing =
newIndexingServiceWithMockedDependencies(
populator, indexAccessor, new DataUpdates(new NodePropertyUpdate[0]));
int indexId = 1;
int indexId2 = 2;
File theFile = new File("Blah");
IndexRule rule1 = indexRule(indexId, 2, 3, PROVIDER_DESCRIPTOR);
IndexRule rule2 = indexRule(indexId2, 4, 5, PROVIDER_DESCRIPTOR);
doAnswer(waitForLatch(populatorLatch)).when(populator).create();
when(indexAccessor.snapshotFiles()).thenAnswer(newResourceIterator(theFile));
when(indexProvider.getInitialState(indexId)).thenReturn(POPULATING);
when(indexProvider.getInitialState(indexId2)).thenReturn(ONLINE);
indexing.initIndexes(iterator(rule1, rule2));
life.start();
// WHEN
ResourceIterator<File> files = indexing.snapshotStoreFiles();
populatorLatch
.countDown(); // only now, after the snapshot, is the population job allowed to finish
// THEN
// We get a snapshot from the online index, but no snapshot from the populating one
assertThat(asCollection(files), equalTo(asCollection(iterator(theFile))));
}
@Test
public void shouldSnapshotOnlineIndexes() throws Exception {
// GIVEN
IndexAccessor indexAccessor = mock(IndexAccessor.class);
IndexingService indexing =
newIndexingServiceWithMockedDependencies(
mock(IndexPopulator.class), indexAccessor, new DataUpdates(new NodePropertyUpdate[0]));
int indexId = 1;
int indexId2 = 2;
File theFile = new File("Blah");
IndexRule rule1 = indexRule(indexId, 2, 3, PROVIDER_DESCRIPTOR);
IndexRule rule2 = indexRule(indexId2, 4, 5, PROVIDER_DESCRIPTOR);
when(indexAccessor.snapshotFiles()).thenAnswer(newResourceIterator(theFile));
when(indexProvider.getInitialState(indexId)).thenReturn(ONLINE);
when(indexProvider.getInitialState(indexId2)).thenReturn(ONLINE);
indexing.initIndexes(iterator(rule1, rule2));
life.start();
// WHEN
ResourceIterator<File> files = indexing.snapshotStoreFiles();
// THEN
// We get a snapshot per online index
assertThat(asCollection(files), equalTo(asCollection(iterator(theFile, theFile))));
}
