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SNOW-1320674: Add tests to verify loc raises KeyError for invalid labels #2293

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Sep 14, 2024
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SNOW-1320674: Add tests to verify loc raises KeyError for invalid labels #2293

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19 changes: 19 additions & 0 deletions tests/integ/modin/frame/test_loc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4072,3 +4072,22 @@ def test_df_loc_get_with_timedelta_and_none_key():
# Compare with an empty DataFrame, since native pandas raises a KeyError.
expected_df = native_pd.DataFrame()
assert_frame_equal(snow_df.loc[None], expected_df, check_column_type=False)


@sql_count_checker(query_count=0)
def test_df_loc_invalid_key():
# Bug fix: SNOW-1320674
native_df = native_pd.DataFrame({"A": [1, 2, 3], "B": [4, 5, 6]})
snow_df = pd.DataFrame(native_df)

def op(df):
df["C"] = df["A"] / df["D"]

eval_snowpark_pandas_result(
snow_df,
native_df,
op,
expect_exception=True,
expect_exception_type=KeyError,
expect_exception_match="D",
)
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