use of com.google.cloud.firestore.v1.FirestoreClient.PartitionQueryPage in project beam by apache.
the class FirestoreV1FnPartitionQueryTest method resumeFromLastReadValue.
@Override
public void resumeFromLastReadValue() throws Exception {
when(ff.getFirestoreStub(any())).thenReturn(stub);
when(ff.getRpcQos(any())).thenReturn(rpcQos);
when(rpcQos.newReadAttempt(any())).thenReturn(attempt);
when(attempt.awaitSafeToProceed(any())).thenReturn(true);
// First page of the response
PartitionQueryRequest request1 = PartitionQueryRequest.newBuilder().setParent(String.format("projects/%s/databases/(default)/document", projectId)).build();
PartitionQueryResponse response1 = PartitionQueryResponse.newBuilder().addPartitions(Cursor.newBuilder().addValues(Value.newBuilder().setReferenceValue("doc-100"))).addPartitions(Cursor.newBuilder().addValues(Value.newBuilder().setReferenceValue("doc-200"))).addPartitions(Cursor.newBuilder().addValues(Value.newBuilder().setReferenceValue("doc-300"))).setNextPageToken("page2").build();
when(page1.getResponse()).thenReturn(response1);
when(callable.call(request1)).thenReturn(pagedResponse1);
doNothing().when(attempt).checkCanRetry(any(), eq(RETRYABLE_ERROR));
when(pagedResponse1.iteratePages()).thenAnswer(invocation -> new Iterable<PartitionQueryPage>() {
@Override
public Iterator<PartitionQueryPage> iterator() {
return new AbstractIterator<PartitionQueryPage>() {
private boolean first = true;
@Override
protected PartitionQueryPage computeNext() {
if (first) {
first = false;
return page1;
} else {
throw RETRYABLE_ERROR;
}
}
};
}
});
// Second page of the response
PartitionQueryRequest request2 = PartitionQueryRequest.newBuilder().setParent(String.format("projects/%s/databases/(default)/document", projectId)).setPageToken("page2").build();
PartitionQueryResponse response2 = PartitionQueryResponse.newBuilder().addPartitions(Cursor.newBuilder().addValues(Value.newBuilder().setReferenceValue("doc-400"))).build();
PartitionQueryResponse expectedResponse = response1.toBuilder().clearNextPageToken().addAllPartitions(response2.getPartitionsList()).build();
when(page2.getResponse()).thenReturn(response2);
when(page2.hasNextPage()).thenReturn(false);
when(callable.call(request2)).thenReturn(pagedResponse2);
when(pagedResponse2.iteratePages()).thenReturn(ImmutableList.of(page2));
when(stub.partitionQueryPagedCallable()).thenReturn(callable);
when(ff.getFirestoreStub(any())).thenReturn(stub);
ArgumentCaptor<PartitionQueryPair> responses = ArgumentCaptor.forClass(PartitionQueryPair.class);
doNothing().when(processContext).output(responses.capture());
when(processContext.element()).thenReturn(request1);
PartitionQueryFn fn = new PartitionQueryFn(clock, ff, rpcQosOptions);
runFunction(fn);
List<PartitionQueryPair> expected = newArrayList(new PartitionQueryPair(request1, expectedResponse));
List<PartitionQueryPair> allValues = responses.getAllValues();
assertEquals(expected, allValues);
}
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