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test_context.py
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76 lines (67 loc) · 1.93 KB
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# Copyright 2023 LanceDB Developers
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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",
]