Updated script that can be controled by Nodejs web app

lib/python3.13/site-packages/pandas/tests/indexes/period/test_period_range.py

@@ -0,0 +1,241 @@
+import numpy as np
+import pytest
+
+from pandas import (
+    NaT,
+    Period,
+    PeriodIndex,
+    date_range,
+    period_range,
+)
+import pandas._testing as tm
+
+
+class TestPeriodRangeKeywords:
+    def test_required_arguments(self):
+        msg = (
+            "Of the three parameters: start, end, and periods, exactly two "
+            "must be specified"
+        )
+        with pytest.raises(ValueError, match=msg):
+            period_range("2011-1-1", "2012-1-1", "B")
+
+    def test_required_arguments2(self):
+        start = Period("02-Apr-2005", "D")
+        msg = (
+            "Of the three parameters: start, end, and periods, exactly two "
+            "must be specified"
+        )
+        with pytest.raises(ValueError, match=msg):
+            period_range(start=start)
+
+    def test_required_arguments3(self):
+        # not enough params
+        msg = (
+            "Of the three parameters: start, end, and periods, "
+            "exactly two must be specified"
+        )
+        with pytest.raises(ValueError, match=msg):
+            period_range(start="2017Q1")
+
+        with pytest.raises(ValueError, match=msg):
+            period_range(end="2017Q1")
+
+        with pytest.raises(ValueError, match=msg):
+            period_range(periods=5)
+
+        with pytest.raises(ValueError, match=msg):
+            period_range()
+
+    def test_required_arguments_too_many(self):
+        msg = (
+            "Of the three parameters: start, end, and periods, "
+            "exactly two must be specified"
+        )
+        with pytest.raises(ValueError, match=msg):
+            period_range(start="2017Q1", end="2018Q1", periods=8, freq="Q")
+
+    def test_start_end_non_nat(self):
+        # start/end NaT
+        msg = "start and end must not be NaT"
+        with pytest.raises(ValueError, match=msg):
+            period_range(start=NaT, end="2018Q1")
+        with pytest.raises(ValueError, match=msg):
+            period_range(start=NaT, end="2018Q1", freq="Q")
+
+        with pytest.raises(ValueError, match=msg):
+            period_range(start="2017Q1", end=NaT)
+        with pytest.raises(ValueError, match=msg):
+            period_range(start="2017Q1", end=NaT, freq="Q")
+
+    def test_periods_requires_integer(self):
+        # invalid periods param
+        msg = "periods must be a number, got foo"
+        with pytest.raises(TypeError, match=msg):
+            period_range(start="2017Q1", periods="foo")
+
+
+class TestPeriodRange:
+    @pytest.mark.parametrize(
+        "freq_offset, freq_period",
+        [
+            ("D", "D"),
+            ("W", "W"),
+            ("QE", "Q"),
+            ("YE", "Y"),
+        ],
+    )
+    def test_construction_from_string(self, freq_offset, freq_period):
+        # non-empty
+        expected = date_range(
+            start="2017-01-01", periods=5, freq=freq_offset, name="foo"
+        ).to_period()
+        start, end = str(expected[0]), str(expected[-1])
+
+        result = period_range(start=start, end=end, freq=freq_period, name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(start=start, periods=5, freq=freq_period, name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(end=end, periods=5, freq=freq_period, name="foo")
+        tm.assert_index_equal(result, expected)
+
+        # empty
+        expected = PeriodIndex([], freq=freq_period, name="foo")
+
+        result = period_range(start=start, periods=0, freq=freq_period, name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(end=end, periods=0, freq=freq_period, name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(start=end, end=start, freq=freq_period, name="foo")
+        tm.assert_index_equal(result, expected)
+
+    def test_construction_from_string_monthly(self):
+        # non-empty
+        expected = date_range(
+            start="2017-01-01", periods=5, freq="ME", name="foo"
+        ).to_period()
+        start, end = str(expected[0]), str(expected[-1])
+
+        result = period_range(start=start, end=end, freq="M", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(start=start, periods=5, freq="M", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(end=end, periods=5, freq="M", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        # empty
+        expected = PeriodIndex([], freq="M", name="foo")
+
+        result = period_range(start=start, periods=0, freq="M", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(end=end, periods=0, freq="M", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(start=end, end=start, freq="M", name="foo")
+        tm.assert_index_equal(result, expected)
+
+    def test_construction_from_period(self):
+        # upsampling
+        start, end = Period("2017Q1", freq="Q"), Period("2018Q1", freq="Q")
+        expected = date_range(
+            start="2017-03-31", end="2018-03-31", freq="ME", name="foo"
+        ).to_period()
+        result = period_range(start=start, end=end, freq="M", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        # downsampling
+        start = Period("2017-1", freq="M")
+        end = Period("2019-12", freq="M")
+        expected = date_range(
+            start="2017-01-31", end="2019-12-31", freq="QE", name="foo"
+        ).to_period()
+        result = period_range(start=start, end=end, freq="Q", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        # test for issue # 21793
+        start = Period("2017Q1", freq="Q")
+        end = Period("2018Q1", freq="Q")
+        idx = period_range(start=start, end=end, freq="Q", name="foo")
+        result = idx == idx.values
+        expected = np.array([True, True, True, True, True])
+        tm.assert_numpy_array_equal(result, expected)
+
+        # empty
+        expected = PeriodIndex([], freq="W", name="foo")
+
+        result = period_range(start=start, periods=0, freq="W", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(end=end, periods=0, freq="W", name="foo")
+        tm.assert_index_equal(result, expected)
+
+        result = period_range(start=end, end=start, freq="W", name="foo")
+        tm.assert_index_equal(result, expected)
+
+    def test_mismatched_start_end_freq_raises(self):
+        depr_msg = "Period with BDay freq is deprecated"
+        msg = "'w' is deprecated and will be removed in a future version."
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            end_w = Period("2006-12-31", "1w")
+
+        with tm.assert_produces_warning(FutureWarning, match=depr_msg):
+            start_b = Period("02-Apr-2005", "B")
+            end_b = Period("2005-05-01", "B")
+
+        msg = "start and end must have same freq"
+        with pytest.raises(ValueError, match=msg):
+            with tm.assert_produces_warning(FutureWarning, match=depr_msg):
+                period_range(start=start_b, end=end_w)
+
+        # without mismatch we are OK
+        with tm.assert_produces_warning(FutureWarning, match=depr_msg):
+            period_range(start=start_b, end=end_b)
+
+
+class TestPeriodRangeDisallowedFreqs:
+    def test_constructor_U(self):
+        # U was used as undefined period
+        with pytest.raises(ValueError, match="Invalid frequency: X"):
+            period_range("2007-1-1", periods=500, freq="X")
+
+    @pytest.mark.parametrize(
+        "freq,freq_depr",
+        [
+            ("2Y", "2A"),
+            ("2Y", "2a"),
+            ("2Y-AUG", "2A-AUG"),
+            ("2Y-AUG", "2A-aug"),
+        ],
+    )
+    def test_a_deprecated_from_time_series(self, freq, freq_depr):
+        # GH#52536
+        msg = f"'{freq_depr[1:]}' is deprecated and will be removed in a "
+        f"future version. Please use '{freq[1:]}' instead."
+
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            period_range(freq=freq_depr, start="1/1/2001", end="12/1/2009")
+
+    @pytest.mark.parametrize("freq_depr", ["2H", "2MIN", "2S", "2US", "2NS"])
+    def test_uppercase_freq_deprecated_from_time_series(self, freq_depr):
+        # GH#52536, GH#54939
+        msg = f"'{freq_depr[1:]}' is deprecated and will be removed in a "
+        f"future version. Please use '{freq_depr.lower()[1:]}' instead."
+
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            period_range("2020-01-01 00:00:00 00:00", periods=2, freq=freq_depr)
+
+    @pytest.mark.parametrize("freq_depr", ["2m", "2q-sep", "2y", "2w"])
+    def test_lowercase_freq_deprecated_from_time_series(self, freq_depr):
+        # GH#52536, GH#54939
+        msg = f"'{freq_depr[1:]}' is deprecated and will be removed in a "
+        f"future version. Please use '{freq_depr.upper()[1:]}' instead."
+
+        with tm.assert_produces_warning(FutureWarning, match=msg):
+            period_range(freq=freq_depr, start="1/1/2001", end="12/1/2009")