mirror of
https://github.com/lancedb/lancedb.git
synced 2025-12-31 17:02:58 +00:00
68 lines
1.4 KiB
Python
68 lines
1.4 KiB
Python
# SPDX-License-Identifier: Apache-2.0
|
|
# SPDX-FileCopyrightText: Copyright The LanceDB Authors
|
|
|
|
|
|
import pandas as pd
|
|
import pytest
|
|
from lancedb.context import contextualize
|
|
|
|
|
|
@pytest.fixture
|
|
def raw_df() -> pd.DataFrame:
|
|
return pd.DataFrame(
|
|
{
|
|
"token": [
|
|
"The",
|
|
"quick",
|
|
"brown",
|
|
"fox",
|
|
"jumped",
|
|
"over",
|
|
"the",
|
|
"lazy",
|
|
"dog",
|
|
"I",
|
|
"love",
|
|
"sandwiches",
|
|
],
|
|
"document_id": [1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2],
|
|
}
|
|
)
|
|
|
|
|
|
def test_contextualizer(raw_df: pd.DataFrame):
|
|
result = (
|
|
contextualize(raw_df)
|
|
.window(6)
|
|
.stride(3)
|
|
.text_col("token")
|
|
.groupby("document_id")
|
|
.to_pandas()["token"]
|
|
.to_list()
|
|
)
|
|
|
|
assert result == [
|
|
"The quick brown fox jumped over",
|
|
"fox jumped over the lazy dog",
|
|
"the lazy dog",
|
|
"I love sandwiches",
|
|
]
|
|
|
|
|
|
def test_contextualizer_with_threshold(raw_df: pd.DataFrame):
|
|
result = (
|
|
contextualize(raw_df)
|
|
.window(6)
|
|
.stride(3)
|
|
.text_col("token")
|
|
.groupby("document_id")
|
|
.min_window_size(4)
|
|
.to_pandas()["token"]
|
|
.to_list()
|
|
)
|
|
|
|
assert result == [
|
|
"The quick brown fox jumped over",
|
|
"fox jumped over the lazy dog",
|
|
]
|