use of org.wikidata.query.rdf.tool.wikibase.WikibaseApiError in project wikidata-query-rdf by wikimedia.
the class RecentChangesPollerUnitTest method continuePoll.
/**
* Check that continuing works.
* Check that poller passes continuation to the next batch.
* @throws RetryableException
*/
@Test
@SuppressWarnings("unchecked")
public void continuePoll() throws RetryableException {
// Use old date to remove backoff
Instant startTime = Instant.now().minus(10, ChronoUnit.DAYS);
int batchSize = 10;
Instant revDate = startTime.plusSeconds(20);
WikibaseApiError error = null;
Continue aContinue = new Continue(OUTPUT_DATE_FORMATTER.format(revDate) + "|8", "-||");
List<RecentChange> recentChanges = new ArrayList<>();
recentChanges.add(new RecentChange(0L, "Q666", revDate, 1L, 1L, "edit"));
recentChanges.add(new RecentChange(0L, "Q667", revDate, 7L, 7L, "edit"));
Query query = new Query(recentChanges);
RecentChangeResponse result = new RecentChangeResponse(error, aContinue, query);
String date = revDate.toString();
firstBatchReturns(startTime, result);
RecentChangesPoller poller = new RecentChangesPoller(repository, startTime, batchSize, new MetricRegistry());
Batch batch = poller.firstBatch();
assertThat(batch.changes()).hasSize(2);
assertThat(batch.changes().get(1).offset()).isEqualTo(7);
assertThat(batch.leftOffDate().toString()).isEqualTo(date);
assertThat(batch.getLastContinue()).isEqualTo(aContinue);
ArgumentCaptor<Instant> argumentDate = ArgumentCaptor.forClass(Instant.class);
ArgumentCaptor<Continue> continueCaptor = ArgumentCaptor.forClass(Continue.class);
recentChanges.clear();
when(repository.fetchRecentChanges(argumentDate.capture(), continueCaptor.capture(), eq(batchSize))).thenReturn(result);
// check that poller passes the continue object to the next batch
batch = poller.nextBatch(batch);
assertThat(batch.changes()).hasSize(0);
assertThat(argumentDate.getValue().toString()).isEqualTo(date);
assertThat(continueCaptor.getValue()).isEqualTo(aContinue);
}
use of org.wikidata.query.rdf.tool.wikibase.WikibaseApiError in project wikidata-query-rdf by wikimedia.
the class RecentChangesPollerUnitTest method dedups.
/**
* Check deduplication.
* Create 20 changes, of which each two are dupes,
* check that dupes are eliminated.
* @throws RetryableException
*/
@Test
@SuppressWarnings("unchecked")
public void dedups() throws RetryableException {
Instant startTime = Instant.now();
// Build a result from wikibase with duplicate recent changes
List<RecentChange> recentChanges = new ArrayList<>();
// 20 entries with 10 total Q ids
for (long i = 0; i < 20; i++) {
RecentChange rc = new RecentChange(0L, "Q" + (i / 2), Instant.now(), i, i, "edit");
recentChanges.add(rc);
}
Query query = new Query(recentChanges);
WikibaseApiError error = null;
Continue aContinue = null;
RecentChangeResponse result = new RecentChangeResponse(error, aContinue, query);
firstBatchReturns(startTime, result);
RecentChangesPoller poller = new RecentChangesPoller(repository, startTime, batchSize, new MetricRegistry());
Batch batch = poller.firstBatch();
assertThat(batch.changes()).hasSize(10);
List<Change> changes = new ArrayList<>(batch.changes());
Collections.sort(changes, Comparator.comparing(Change::entityId));
for (int i = 0; i < 10; i++) {
assertThat(changes.get(i).entityId()).isEqualTo("Q" + i);
assertThat(changes.get(i).revision()).isEqualTo(2 * i + 1);
}
}
use of org.wikidata.query.rdf.tool.wikibase.WikibaseApiError in project wikidata-query-rdf by wikimedia.
the class RecentChangesPollerUnitTest method backoffOverflow.
/**
* Backoff overflow check,
* Check that if we're backing off but find no new changes then time is advanced.
* @throws RetryableException
*/
@Test
public void backoffOverflow() throws RetryableException {
Instant startTime = Instant.now();
batchSize = 1;
RecentChangesPoller poller = new RecentChangesPoller(repository, startTime, batchSize, new MetricRegistry());
WikibaseApiError error = null;
Continue aContinue = null;
ArrayList<RecentChange> recentChanges = new ArrayList<>();
recentChanges.add(new RecentChange(0L, "Q424242", startTime, 42L, 42L, "edit"));
Query query = new Query(recentChanges);
RecentChangeResponse result = new RecentChangeResponse(error, aContinue, query);
firstBatchReturns(startTime, result);
Batch batch = poller.firstBatch();
assertThat(batch.changes()).hasSize(1);
assertThat(batch.leftOffDate()).isEqualTo(startTime);
batch = poller.nextBatch(batch);
assertThat(batch.changes()).hasSize(0);
assertThat(startTime).isBefore(batch.leftOffDate());
assertThat(startTime.plusSeconds(1)).isEqualTo(batch.leftOffDate());
}
use of org.wikidata.query.rdf.tool.wikibase.WikibaseApiError in project wikidata-query-rdf by wikimedia.
the class RecentChangesPollerUnitTest method backoffTime.
/**
* Check that recent requests use backoff.
* @throws RetryableException
*/
@Test
@SuppressWarnings("unchecked")
public void backoffTime() throws RetryableException {
Instant startTime = Instant.now();
RecentChangesPoller poller = new RecentChangesPoller(repository, startTime, batchSize, new MetricRegistry());
Instant nextStartTime = startTime.plusSeconds(20);
WikibaseApiError error = null;
Continue aContinue = null;
List<RecentChange> recentChanges = new ArrayList<>();
recentChanges.add(new RecentChange(0L, "Q424242", nextStartTime, 42L, 42L, "edit"));
Query query = new Query(recentChanges);
RecentChangeResponse result = new RecentChangeResponse(error, aContinue, query);
ArgumentCaptor<Instant> argument = ArgumentCaptor.forClass(Instant.class);
when(repository.fetchRecentChangesByTime(argument.capture(), eq(batchSize))).thenReturn(result);
when(repository.isEntityNamespace(0)).thenReturn(true);
when(repository.isValidEntity(any(String.class))).thenReturn(true);
Batch batch = poller.firstBatch();
// Ensure we backed off at least 7 seconds but no more than 20
assertThat(argument.getValue()).isBefore(startTime.minusSeconds(7));
assertThat(argument.getValue()).isAfter(startTime.minusSeconds(20));
// Verify that backoff still works on the second call
batch = poller.nextBatch(batch);
// verify we're still using fetchRecentChangesByTime
assertThat(batch).isNotNull();
assertThat(argument.getValue()).isBefore(nextStartTime.minusSeconds(7));
assertThat(argument.getValue()).isAfter(nextStartTime.minusSeconds(20));
}
use of org.wikidata.query.rdf.tool.wikibase.WikibaseApiError in project wikidata-query-rdf by wikimedia.
the class RecentChangesPollerUnitTest method noBackoffForOld.
/**
* Verify that no backoff happens for old changes.
* @throws RetryableException
*/
public void noBackoffForOld() throws RetryableException {
Instant startTime = Instant.now().minus(1, ChronoUnit.DAYS);
RecentChangesPoller poller = new RecentChangesPoller(repository, startTime, 10, new MetricRegistry());
WikibaseApiError error = null;
Continue aContinue = null;
Query query = new Query(emptyList());
RecentChangeResponse result = new RecentChangeResponse(error, aContinue, query);
ArgumentCaptor<Instant> argument = ArgumentCaptor.forClass(Instant.class);
when(repository.fetchRecentChanges(argument.capture(), any(), eq(batchSize))).thenReturn(result);
when(repository.isEntityNamespace(0)).thenReturn(true);
when(repository.isValidEntity(any(String.class))).thenReturn(true);
Batch batch = poller.firstBatch();
assertThat(argument.getValue()).isEqualTo(startTime);
}
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