test_base_collection_update_default_validates_list_lengths and
test_base_collection_update_default_rejects_mismatched_lengths were
spinning up a real ChromaBackend and calling add(documents=...), which
triggered ChromaDB's default ONNX embedding function and attempted a
network download — failing in offline/sandboxed CI.
BaseCollection.update() validates list lengths before any DB access, so
no items need to be pre-loaded for the length-check to fire. Switch both
tests to use _FakeCollection (same as the rest of the unit tests in this
file) so they are pure in-memory and network-free.
Also fixes a structural bug in test 1: collection._collection.add() was
accidentally placed inside the pytest.raises(ValueError) block, masking
the real assertion.
Agent-Logs-Url: https://github.com/MemPalace/mempalace/sessions/55fc663e-b256-4b8b-88ce-4271560def8d
Co-authored-by: igorls <4753812+igorls@users.noreply.github.com>
copilot-swe-agent[bot]
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