def test_order_without_freq(self, index_dates, expected_dates, tz_fixture):
tz = tz_fixture
# without freq
index = DatetimeIndex(index_dates, tz=tz, name='idx')
expected = DatetimeIndex(expected_dates, tz=tz, name='idx')
ordered = index.sort_values()
tm.assert_index_equal(ordered, expected)
assert ordered.freq is None
ordered = index.sort_values(ascending=False)
tm.assert_index_equal(ordered, expected[::-1])
assert ordered.freq is None
ordered, indexer = index.sort_values(return_indexer=True)
tm.assert_index_equal(ordered, expected)
exp = np.array([0, 4, 3, 1, 2])
tm.assert_numpy_array_equal(indexer, exp, check_dtype=False)
assert ordered.freq is None
ordered, indexer = index.sort_values(return_indexer=True,
ascending=False)
tm.assert_index_equal(ordered, expected[::-1])
exp = np.array([2, 1, 3, 4, 0])
tm.assert_numpy_array_equal(indexer, exp, check_dtype=False)
assert ordered.freq is None
def test_sort_values(self):
idx = DatetimeIndex(['2000-01-04', '2000-01-01', '2000-01-02'])
ordered = idx.sort_values()
assert ordered.is_monotonic
ordered = idx.sort_values(ascending=False)
assert ordered[::-1].is_monotonic
ordered, dexer = idx.sort_values(return_indexer=True)
assert ordered.is_monotonic
tm.assert_numpy_array_equal(dexer, np.array([1, 2, 0], dtype=np.intp))
ordered, dexer = idx.sort_values(return_indexer=True, ascending=False)
assert ordered[::-1].is_monotonic
tm.assert_numpy_array_equal(dexer, np.array([0, 2, 1], dtype=np.intp))
def test_union_coverage(self, sort):
idx = DatetimeIndex(['2000-01-03', '2000-01-01', '2000-01-02'])
ordered = DatetimeIndex(idx.sort_values(), freq='infer')
result = ordered.union(idx, sort=sort)
tm.assert_index_equal(result, ordered)
result = ordered[:0].union(ordered, sort=sort)
tm.assert_index_equal(result, ordered)
assert result.freq == ordered.freq
def test_union_coverage(self):
idx = DatetimeIndex(['2000-01-03', '2000-01-01', '2000-01-02'])
ordered = DatetimeIndex(idx.sort_values(), freq='infer')
result = ordered.union(idx)
tm.assert_index_equal(result, ordered)
result = ordered[:0].union(ordered)
tm.assert_index_equal(result, ordered)
assert result.freq == ordered.freq
def test_union_coverage(self, sort):
idx = DatetimeIndex(["2000-01-03", "2000-01-01", "2000-01-02"])
ordered = DatetimeIndex(idx.sort_values(), freq="infer")
result = ordered.union(idx, sort=sort)
tm.assert_index_equal(result, ordered)
result = ordered[:0].union(ordered, sort=sort)
tm.assert_index_equal(result, ordered)
assert result.freq == ordered.freq
def test_sort_values(self):
idx = DatetimeIndex(['2000-01-04', '2000-01-01', '2000-01-02'])
ordered = idx.sort_values()
self.assertTrue(ordered.is_monotonic)
ordered = idx.sort_values(ascending=False)
self.assertTrue(ordered[::-1].is_monotonic)
ordered, dexer = idx.sort_values(return_indexer=True)
self.assertTrue(ordered.is_monotonic)
self.assert_numpy_array_equal(dexer,
np.array([1, 2, 0], dtype=np.intp))
ordered, dexer = idx.sort_values(return_indexer=True, ascending=False)
self.assertTrue(ordered[::-1].is_monotonic)
self.assert_numpy_array_equal(dexer,
np.array([0, 2, 1], dtype=np.intp))
def test_union_bug_1745(self, sort):
left = DatetimeIndex(['2012-05-11 15:19:49.695000'])
right = DatetimeIndex(['2012-05-29 13:04:21.322000',
'2012-05-11 15:27:24.873000',
'2012-05-11 15:31:05.350000'])
result = left.union(right, sort=sort)
exp = DatetimeIndex(['2012-05-11 15:19:49.695000',
'2012-05-29 13:04:21.322000',
'2012-05-11 15:27:24.873000',
'2012-05-11 15:31:05.350000'])
if sort is None:
exp = exp.sort_values()
tm.assert_index_equal(result, exp)
def test_union_bug_1745(self, sort):
left = DatetimeIndex(['2012-05-11 15:19:49.695000'])
right = DatetimeIndex(['2012-05-29 13:04:21.322000',
'2012-05-11 15:27:24.873000',
'2012-05-11 15:31:05.350000'])
result = left.union(right, sort=sort)
exp = DatetimeIndex(['2012-05-11 15:19:49.695000',
'2012-05-29 13:04:21.322000',
'2012-05-11 15:27:24.873000',
'2012-05-11 15:31:05.350000'])
if sort is None:
exp = exp.sort_values()
tm.assert_index_equal(result, exp)