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test: update generic-chunk predicate test to required-fields semantics

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bunnysayzz 2026-09-29 10:07:02 +05:30
parent 39961ad57a
commit dbe3094391
1 changed files with 7 additions and 9 deletions
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16
tests/unit/litellm_core_utils/test_streaming_overhead.py
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@ -127,24 +127,22 @@ def test_gchunk_fields_is_frozenset():
def test_generic_chunk_has_all_required_fields_uses_module_constant(monkeypatch):
"""generic_chunk_has_all_required_fields must use _GCHUNK_FIELDS, not __annotations__.
"""generic_chunk_has_all_required_fields must use _GCHUNK_REQUIRED_FIELDS.
The check semantics: every key in `chunk` must be a known GChunk field.
This identifies GChunk-shaped dicts (all keys are valid GChunk fields).
The check semantics: every required GChunk field must be present in `chunk`.
A chunk missing a required field is not a usable generic chunk.
"""
valid_chunk = _make_generic_chunk("hello")
assert generic_chunk_has_all_required_fields(valid_chunk) is True
# A dict with an extra unknown key should return False — the unknown key
# is not a GChunk field, so the chunk is not a pure GChunk.
# Extra unknown keys don't matter, only that all required fields are present.
extra_key_chunk = dict(valid_chunk)
extra_key_chunk["unknown_extra_key"] = "value"
assert generic_chunk_has_all_required_fields(extra_key_chunk) is False
assert generic_chunk_has_all_required_fields(extra_key_chunk) is True
# A dict with only known GChunk fields but fewer keys still passes because
# all its keys are valid (subset of GChunk fields).
# A dict missing required fields is rejected, even if every key it has is valid.
partial_chunk = {"text": "hi", "is_finished": False}
assert generic_chunk_has_all_required_fields(partial_chunk) is True
assert generic_chunk_has_all_required_fields(partial_chunk) is False
# ---------------------------------------------------------------------------