Examples with ListDocumentsPage com.google.cloud.firestore.v1.FirestoreClient.ListDocumentsPage used on opensource projects

Example 1 with ListDocumentsPage

use of com.google.cloud.firestore.v1.FirestoreClient.ListDocumentsPage in project beam by apache.

the class FirestoreV1FnListDocumentsTest 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
    ListDocumentsRequest request1 = ListDocumentsRequest.newBuilder().setParent(String.format("projects/%s/databases/(default)/document", projectId)).build();
    ListDocumentsResponse response1 = ListDocumentsResponse.newBuilder().addDocuments(Document.newBuilder().setName("doc_1-1").putAllFields(ImmutableMap.of("foo", Value.newBuilder().setStringValue("bar").build())).build()).addDocuments(Document.newBuilder().setName("doc_1-2").putAllFields(ImmutableMap.of("foo", Value.newBuilder().setStringValue("bar").build())).build()).addDocuments(Document.newBuilder().setName("doc_1-3").putAllFields(ImmutableMap.of("foo", Value.newBuilder().setStringValue("bar").build())).build()).setNextPageToken("page2").build();
    when(page1.getNextPageToken()).thenReturn(response1.getNextPageToken());
    when(page1.getResponse()).thenReturn(response1);
    when(page1.hasNextPage()).thenReturn(true);
    when(callable.call(request1)).thenReturn(pagedResponse1);
    doNothing().when(attempt).checkCanRetry(any(), eq(RETRYABLE_ERROR));
    when(pagedResponse1.iteratePages()).thenAnswer(invocation -> new Iterable<ListDocumentsPage>() {

        @Override
        public Iterator<ListDocumentsPage> iterator() {
            return new AbstractIterator<ListDocumentsPage>() {

                private boolean first = true;

                @Override
                protected ListDocumentsPage computeNext() {
                    if (first) {
                        first = false;
                        return page1;
                    } else {
                        throw RETRYABLE_ERROR;
                    }
                }
            };
        }
    });
    // Second page of the response
    ListDocumentsRequest request2 = ListDocumentsRequest.newBuilder().setParent(String.format("projects/%s/databases/(default)/document", projectId)).setPageToken("page2").build();
    ListDocumentsResponse response2 = ListDocumentsResponse.newBuilder().addDocuments(Document.newBuilder().setName("doc_2-1").putAllFields(ImmutableMap.of("foo", Value.newBuilder().setStringValue("bar").build())).build()).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.listDocumentsPagedCallable()).thenReturn(callable);
    when(ff.getFirestoreStub(any())).thenReturn(stub);
    ArgumentCaptor<ListDocumentsResponse> responses = ArgumentCaptor.forClass(ListDocumentsResponse.class);
    doNothing().when(processContext).output(responses.capture());
    when(processContext.element()).thenReturn(request1);
    ListDocumentsFn fn = new ListDocumentsFn(clock, ff, rpcQosOptions);
    runFunction(fn);
    List<ListDocumentsResponse> expected = newArrayList(response1, response2);
    List<ListDocumentsResponse> allValues = responses.getAllValues();
    assertEquals(expected, allValues);
}