Inzynierka/Lib/site-packages/pandas/tests/io/pytables/test_time_series.py

64 lines
1.9 KiB
Python
Raw Normal View History

2023-06-02 12:51:02 +02:00
import datetime
import numpy as np
import pytest
from pandas import (
DataFrame,
Series,
_testing as tm,
)
from pandas.tests.io.pytables.common import ensure_clean_store
pytestmark = pytest.mark.single_cpu
def test_store_datetime_fractional_secs(setup_path):
with ensure_clean_store(setup_path) as store:
dt = datetime.datetime(2012, 1, 2, 3, 4, 5, 123456)
series = Series([0], [dt])
store["a"] = series
assert store["a"].index[0] == dt
def test_tseries_indices_series(setup_path):
with ensure_clean_store(setup_path) as store:
idx = tm.makeDateIndex(10)
ser = Series(np.random.randn(len(idx)), idx)
store["a"] = ser
result = store["a"]
tm.assert_series_equal(result, ser)
assert result.index.freq == ser.index.freq
tm.assert_class_equal(result.index, ser.index, obj="series index")
idx = tm.makePeriodIndex(10)
ser = Series(np.random.randn(len(idx)), idx)
store["a"] = ser
result = store["a"]
tm.assert_series_equal(result, ser)
assert result.index.freq == ser.index.freq
tm.assert_class_equal(result.index, ser.index, obj="series index")
def test_tseries_indices_frame(setup_path):
with ensure_clean_store(setup_path) as store:
idx = tm.makeDateIndex(10)
df = DataFrame(np.random.randn(len(idx), 3), index=idx)
store["a"] = df
result = store["a"]
tm.assert_frame_equal(result, df)
assert result.index.freq == df.index.freq
tm.assert_class_equal(result.index, df.index, obj="dataframe index")
idx = tm.makePeriodIndex(10)
df = DataFrame(np.random.randn(len(idx), 3), idx)
store["a"] = df
result = store["a"]
tm.assert_frame_equal(result, df)
assert result.index.freq == df.index.freq
tm.assert_class_equal(result.index, df.index, obj="dataframe index")