tests.unit.gapic.eventarc_v1.test_eventarc: test_list_channels_pager failed

[flaky-bot]

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---

commit: ecbea90
buildURL: Build Status, Sponge
status: failed

Test output

transport_name = 'grpc'
def test_list_channels_pager(transport_name: str = "grpc"):
    client = EventarcClient(
        credentials=ga_credentials.AnonymousCredentials,
        transport=transport_name,
    )

    # Mock the actual call within the gRPC stub, and fake the request.
    with mock.patch.object(type(client.transport.list_channels), "__call__") as call:
        # Set the response to a series of pages.
        call.side_effect = (
            eventarc.ListChannelsResponse(
                channels=[
                    channel.Channel(),
                    channel.Channel(),
                    channel.Channel(),
                ],
                next_page_token="abc",
            ),
            eventarc.ListChannelsResponse(
                channels=[],
                next_page_token="def",
            ),
            eventarc.ListChannelsResponse(
                channels=[
                    channel.Channel(),
                ],
                next_page_token="ghi",
            ),
            eventarc.ListChannelsResponse(
                channels=[
                    channel.Channel(),
                    channel.Channel(),
                ],
            ),
            RuntimeError,
        )

        metadata = ()
        metadata = tuple(metadata) + (
            gapic_v1.routing_header.to_grpc_metadata((("parent", ""),)),
        )
        pager = client.list_channels(request={})

        assert pager._metadata == metadata

        results = list(pager)
        assert len(results) == 6


      assert all(isinstance(i, channel.Channel) for i in results)


E           assert False

E            +  where False = all(<generator object test_list_channels_pager.. at 0x7f61807fad50>)
tests/unit/gapic/eventarc_v1/test_eventarc.py:2551: AssertionError

[ace-n]

I tried running these tests locally, and couldn't reproduce this error.

I'm guessing this is a (rarely-occurring) test flake.