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TST: collect date_range tests, parametrize over unit #55966

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Merged
merged 3 commits into from
Nov 15, 2023
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TST: collect date_range tests, parametrize over unit #55966

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64e2cbe
TST: collect date_range tests
jbrockmendel Nov 15, 2023
7e7c609
misplaced date_range tests
jbrockmendel Nov 15, 2023
e8de60e
parametrize over unit
jbrockmendel Nov 15, 2023
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30 changes: 3 additions & 27 deletions pandas/tests/indexes/datetimes/test_constructors.py
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Original file line number Diff line number Diff line change
Expand Up @@ -598,17 +598,10 @@ def test_integer_values_and_tz_interpreted_as_utc(self):
# but UTC is *not* deprecated.
with tm.assert_produces_warning(None):
result = DatetimeIndex(values, tz="UTC")
expected = DatetimeIndex(["2000-01-01T00:00:00"], tz="US/Central")
expected = DatetimeIndex(["2000-01-01T00:00:00"], tz="UTC")
tm.assert_index_equal(result, expected)

def test_constructor_coverage(self):
rng = date_range("1/1/2000", periods=10.5)
exp = date_range("1/1/2000", periods=10)
tm.assert_index_equal(rng, exp)

msg = "periods must be a number, got foo"
with pytest.raises(TypeError, match=msg):
date_range(start="1/1/2000", periods="foo", freq="D")

msg = r"DatetimeIndex\(\.\.\.\) must be called with a collection"
with pytest.raises(TypeError, match=msg):
DatetimeIndex("1/1/2000")
Expand Down Expand Up @@ -647,17 +640,6 @@ def test_constructor_coverage(self):
with pytest.raises(ValueError, match=msg):
DatetimeIndex(["2000-01-01", "2000-01-02", "2000-01-04"], freq="D")

msg = (
"Of the four parameters: start, end, periods, and freq, exactly "
"three must be specified"
)
with pytest.raises(ValueError, match=msg):
date_range(start="2011-01-01", freq="b")
with pytest.raises(ValueError, match=msg):
date_range(end="2011-01-01", freq="B")
with pytest.raises(ValueError, match=msg):
date_range(periods=10, freq="D")

@pytest.mark.parametrize("freq", ["YS", "W-SUN"])
def test_constructor_datetime64_tzformat(self, freq):
# see GH#6572: ISO 8601 format results in stdlib timezone object
Expand Down Expand Up @@ -762,10 +744,6 @@ def test_constructor_invalid_dtype_raises(self, dtype):
with pytest.raises(ValueError, match=msg):
DatetimeIndex([1, 2], dtype=dtype)

def test_constructor_name(self):
idx = date_range(start="2000-01-01", periods=1, freq="YE", name="TEST")
assert idx.name == "TEST"

def test_000constructor_resolution(self):
# 2252
t1 = Timestamp((1352934390 * 1000000000) + 1000000 + 1000 + 1)
Expand Down Expand Up @@ -921,9 +899,7 @@ def test_constructor_with_nonexistent_keyword_arg(self, warsaw):
tm.assert_index_equal(result, expected)

# nonexistent keyword in end
end = Timestamp("2015-03-29 02:30:00").tz_localize(
timezone, nonexistent="shift_forward"
)
end = start
result = date_range(end=end, periods=2, freq="h")
expected = DatetimeIndex(
[
Expand Down
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