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This commit is contained in:
Sydney Runkle
2026-04-22 08:48:53 -04:00
parent 43ecd9dc2d
commit 1099cece53
15 changed files with 475 additions and 614 deletions
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libs/checkpoint/tests/test_jsonplus.py
+1 -16
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@@ -990,24 +990,9 @@ def test_delta_value_serde_round_trip() -> None:
from langgraph.checkpoint.serde.jsonplus import JsonPlusSerializer
serde = JsonPlusSerializer()
original = DeltaValue(
delta=[{"type": "human", "content": "hi"}], prev_checkpoint_id="abc-123"
)
original = DeltaValue(delta=[{"type": "human", "content": "hi"}])
type_tag, blob = serde.dumps_typed(original)
assert type_tag == "delta"
loaded = serde.loads_typed((type_tag, blob))
assert isinstance(loaded, DeltaValue)
assert loaded.delta == original.delta
assert loaded.prev_checkpoint_id == "abc-123"
def test_delta_value_serde_chain_root() -> None:
from langgraph.checkpoint.base import DeltaValue
from langgraph.checkpoint.serde.jsonplus import JsonPlusSerializer
serde = JsonPlusSerializer()
original = DeltaValue(delta=[], prev_checkpoint_id=None)
type_tag, blob = serde.dumps_typed(original)
loaded = serde.loads_typed((type_tag, blob))
assert isinstance(loaded, DeltaValue)
assert loaded.prev_checkpoint_id is None