Forecaster component:

INFO     forecaster.tests.Tools:Tools.py:75 Discovering Devices and Links...

INFO     forecaster.tests.Tools:Tools.py:104   Found 22 devices and 462 links...

ERROR    grpc._server:_server.py:453 Exception calling application: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all().

Traceback (most recent call last):

  File "/home/tfs/.pyenv/versions/3.9.13/envs/tfs/lib/python3.9/site-packages/grpc/_server.py", line 443, in _call_behavior

    response_or_iterator = behavior(argument, context)

  File "/home/tfs/tfs-ctrl/src/common/tests/MockServicerImpl_Monitoring.py", line 99, in QueryKpiData

    df_samples = self.ts_db.filter(kpi_uuids, start_timestamp=start_timestamp, end_timestamp=end_timestamp)

  File "/home/tfs/tfs-ctrl/src/common/tests/InMemoryTimeSeriesDatabase.py", line 30, in filter

    if len(kpi_uuids) > 0: data = data[data.kpi_uuid in kpi_uuids]

  File "/home/tfs/.pyenv/versions/3.9.13/envs/tfs/lib/python3.9/site-packages/pandas/core/generic.py", line 1527, in __nonzero__

    raise ValueError(

ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all().

Seems mock_context does not add device and link ids to the topology

    def test_forecast_link(

        context_client : ContextClient,

        forecaster_client : ForecasterClient,

    ):  # pylint: disable=redefined-outer-name

        topology = context_client.GetTopology(ADMIN_TOPOLOGY_ID)

>       link_id = topology.link_ids[0]

E       IndexError: list index (0) out of range

In topology forecaster, the data file should contain more than 1 row per link, otherwise, it crashes with no enough samples.

- implement integration with pathcomputation

test case: