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| 1 | +# Copyright 2025 Google LLC |
| 2 | +# |
| 3 | +# Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +# you may not use this file except in compliance with the License. |
| 5 | +# You may obtain a copy of the License at |
| 6 | +# |
| 7 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +# |
| 9 | +# Unless required by applicable law or agreed to in writing, software |
| 10 | +# distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +# See the License for the specific language governing permissions and |
| 13 | +# limitations under the License. |
| 14 | + |
| 15 | +"""Check that bpd and Session can be used interchangablely.""" |
| 16 | + |
| 17 | +from __future__ import annotations |
| 18 | + |
| 19 | +from typing import cast |
| 20 | + |
| 21 | +import numpy as np |
| 22 | +import pandas.testing |
| 23 | + |
| 24 | +import bigframes.pandas as bpd |
| 25 | +import bigframes.session |
| 26 | + |
| 27 | + |
| 28 | +def test_cut(session: bigframes.session.Session): |
| 29 | + sc = [30, 80, 40, 90, 60, 45, 95, 75, 55, 100, 65, 85] |
| 30 | + x = [20, 40, 60, 80, 100] |
| 31 | + |
| 32 | + bpd_result = bpd.cut(sc, x) |
| 33 | + session_result = session.cut(sc, x) |
| 34 | + |
| 35 | + global_session = bpd.get_global_session() |
| 36 | + assert global_session is not session |
| 37 | + assert bpd_result._session is global_session |
| 38 | + assert session_result._session is session |
| 39 | + |
| 40 | + bpd_pd = bpd_result.to_pandas() |
| 41 | + session_pd = session_result.to_pandas() |
| 42 | + pandas.testing.assert_series_equal(bpd_pd, session_pd) |
| 43 | + |
| 44 | + |
| 45 | +def test_dataframe(session: bigframes.session.Session): |
| 46 | + data = {"col": ["local", None, "data"]} |
| 47 | + |
| 48 | + bpd_result = bpd.DataFrame(data) |
| 49 | + session_result = session.DataFrame(data) |
| 50 | + |
| 51 | + global_session = bpd.get_global_session() |
| 52 | + assert global_session is not session |
| 53 | + assert bpd_result._session is global_session |
| 54 | + assert session_result._session is session |
| 55 | + |
| 56 | + bpd_pd = bpd_result.to_pandas() |
| 57 | + session_pd = session_result.to_pandas() |
| 58 | + pandas.testing.assert_frame_equal(bpd_pd, session_pd) |
| 59 | + |
| 60 | + |
| 61 | +def test_multiindex_from_arrays(session: bigframes.session.Session): |
| 62 | + arrays = [[1, 1, 2, 2], ["red", "blue", "red", "blue"]] |
| 63 | + |
| 64 | + bpd_result = bpd.MultiIndex.from_arrays(arrays, names=("number", "color")) |
| 65 | + session_result = session.MultiIndex.from_arrays(arrays, names=("number", "color")) |
| 66 | + |
| 67 | + global_session = bpd.get_global_session() |
| 68 | + assert global_session is not session |
| 69 | + assert bpd_result._session is global_session |
| 70 | + assert session_result._session is session |
| 71 | + |
| 72 | + bpd_pd = bpd_result.to_pandas() |
| 73 | + session_pd = session_result.to_pandas() |
| 74 | + pandas.testing.assert_index_equal(bpd_pd, session_pd) |
| 75 | + |
| 76 | + |
| 77 | +def test_multiindex_from_tuples(session: bigframes.session.Session): |
| 78 | + tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "blue")] |
| 79 | + |
| 80 | + bpd_result = bpd.MultiIndex.from_tuples(tuples, names=("number", "color")) |
| 81 | + session_result = session.MultiIndex.from_tuples(tuples, names=("number", "color")) |
| 82 | + |
| 83 | + global_session = bpd.get_global_session() |
| 84 | + assert global_session is not session |
| 85 | + assert bpd_result._session is global_session |
| 86 | + assert session_result._session is session |
| 87 | + |
| 88 | + bpd_pd = bpd_result.to_pandas() |
| 89 | + session_pd = session_result.to_pandas() |
| 90 | + pandas.testing.assert_index_equal(bpd_pd, session_pd) |
| 91 | + |
| 92 | + |
| 93 | +def test_index(session: bigframes.session.Session): |
| 94 | + index = [1, 2, 3] |
| 95 | + |
| 96 | + bpd_result = bpd.Index(index) |
| 97 | + session_result = session.Index(index) |
| 98 | + |
| 99 | + global_session = bpd.get_global_session() |
| 100 | + assert global_session is not session |
| 101 | + assert bpd_result._session is global_session |
| 102 | + assert session_result._session is session |
| 103 | + |
| 104 | + bpd_pd = bpd_result.to_pandas() |
| 105 | + session_pd = session_result.to_pandas() |
| 106 | + pandas.testing.assert_index_equal(bpd_pd, session_pd) |
| 107 | + |
| 108 | + |
| 109 | +def test_series(session: bigframes.session.Session): |
| 110 | + series = [1, 2, 3] |
| 111 | + |
| 112 | + bpd_result = bpd.Series(series) |
| 113 | + session_result = session.Series(series) |
| 114 | + |
| 115 | + global_session = bpd.get_global_session() |
| 116 | + assert global_session is not session |
| 117 | + assert bpd_result._session is global_session |
| 118 | + assert session_result._session is session |
| 119 | + |
| 120 | + bpd_pd = bpd_result.to_pandas() |
| 121 | + session_pd = session_result.to_pandas() |
| 122 | + pandas.testing.assert_series_equal(bpd_pd, session_pd) |
| 123 | + |
| 124 | + |
| 125 | +def test_to_datetime(session: bigframes.session.Session): |
| 126 | + datetimes = ["2018-10-26 12:00:00", "2018-10-26 13:00:15"] |
| 127 | + |
| 128 | + bpd_result = bpd.to_datetime(datetimes) |
| 129 | + session_result = cast(bpd.Series, session.to_datetime(datetimes)) |
| 130 | + |
| 131 | + global_session = bpd.get_global_session() |
| 132 | + assert global_session is not session |
| 133 | + assert bpd_result._session is global_session |
| 134 | + assert session_result._session is session |
| 135 | + |
| 136 | + bpd_pd = bpd_result.to_pandas() |
| 137 | + session_pd = session_result.to_pandas() |
| 138 | + pandas.testing.assert_series_equal(bpd_pd, session_pd) |
| 139 | + |
| 140 | + |
| 141 | +def test_to_timedelta(session: bigframes.session.Session): |
| 142 | + offsets = np.arange(5) |
| 143 | + unit = "s" |
| 144 | + |
| 145 | + bpd_result = bpd.to_timedelta(offsets, unit=unit) |
| 146 | + session_result = session.to_timedelta(offsets, unit=unit) |
| 147 | + |
| 148 | + global_session = bpd.get_global_session() |
| 149 | + assert global_session is not session |
| 150 | + assert bpd_result._session is global_session |
| 151 | + assert session_result._session is session |
| 152 | + |
| 153 | + bpd_pd = bpd_result.to_pandas() |
| 154 | + session_pd = session_result.to_pandas() |
| 155 | + pandas.testing.assert_series_equal(bpd_pd, session_pd) |
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