def test_method_delegation(self):
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.set_categories(list('cab'))
tm.assert_index_equal(result, CategoricalIndex(
list('aabbca'), categories=list('cab')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.rename_categories(list('efg'))
tm.assert_index_equal(result, CategoricalIndex(
list('ffggef'), categories=list('efg')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.add_categories(['d'])
tm.assert_index_equal(result, CategoricalIndex(
list('aabbca'), categories=list('cabd')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.remove_categories(['c'])
tm.assert_index_equal(result, CategoricalIndex(
list('aabb') + [np.nan] + ['a'], categories=list('ab')))
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.as_unordered()
tm.assert_index_equal(result, ci)
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.as_ordered()
tm.assert_index_equal(result, CategoricalIndex(
list('aabbca'), categories=list('cabdef'), ordered=True))
# invalid
pytest.raises(ValueError, lambda: ci.set_categories(
list('cab'), inplace=True))
def test_method_delegation(self):
ci = CategoricalIndex(list("aabbca"), categories=list("cabdef"))
result = ci.set_categories(list("cab"))
tm.assert_index_equal(
result, CategoricalIndex(list("aabbca"), categories=list("cab"))
)
ci = CategoricalIndex(list("aabbca"), categories=list("cab"))
result = ci.rename_categories(list("efg"))
tm.assert_index_equal(
result, CategoricalIndex(list("ffggef"), categories=list("efg"))
)
# GH18862 (let rename_categories take callables)
result = ci.rename_categories(lambda x: x.upper())
tm.assert_index_equal(
result, CategoricalIndex(list("AABBCA"), categories=list("CAB"))
)
ci = CategoricalIndex(list("aabbca"), categories=list("cab"))
result = ci.add_categories(["d"])
tm.assert_index_equal(
result, CategoricalIndex(list("aabbca"), categories=list("cabd"))
)
ci = CategoricalIndex(list("aabbca"), categories=list("cab"))
result = ci.remove_categories(["c"])
tm.assert_index_equal(
result,
CategoricalIndex(list("aabb") + [np.nan] + ["a"], categories=list("ab")),
)
ci = CategoricalIndex(list("aabbca"), categories=list("cabdef"))
result = ci.as_unordered()
tm.assert_index_equal(result, ci)
ci = CategoricalIndex(list("aabbca"), categories=list("cabdef"))
result = ci.as_ordered()
tm.assert_index_equal(
result,
CategoricalIndex(list("aabbca"), categories=list("cabdef"), ordered=True),
)
# invalid
msg = "cannot use inplace with CategoricalIndex"
with pytest.raises(ValueError, match=msg):
ci.set_categories(list("cab"), inplace=True)
def test_method_delegation(self):
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.set_categories(list('cab'))
tm.assert_index_equal(
result, CategoricalIndex(list('aabbca'), categories=list('cab')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.rename_categories(list('efg'))
tm.assert_index_equal(
result, CategoricalIndex(list('ffggef'), categories=list('efg')))
# GH18862 (let rename_categories take callables)
result = ci.rename_categories(lambda x: x.upper())
tm.assert_index_equal(
result, CategoricalIndex(list('AABBCA'), categories=list('CAB')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.add_categories(['d'])
tm.assert_index_equal(
result, CategoricalIndex(list('aabbca'), categories=list('cabd')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.remove_categories(['c'])
tm.assert_index_equal(
result,
CategoricalIndex(list('aabb') + [np.nan] + ['a'],
categories=list('ab')))
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.as_unordered()
tm.assert_index_equal(result, ci)
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.as_ordered()
tm.assert_index_equal(
result,
CategoricalIndex(list('aabbca'),
categories=list('cabdef'),
ordered=True))
# invalid
msg = "cannot use inplace with CategoricalIndex"
with pytest.raises(ValueError, match=msg):
ci.set_categories(list('cab'), inplace=True)
def test_method_delegation(self):
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.set_categories(list('cab'))
tm.assert_index_equal(result, CategoricalIndex(
list('aabbca'), categories=list('cab')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.rename_categories(list('efg'))
tm.assert_index_equal(result, CategoricalIndex(
list('ffggef'), categories=list('efg')))
# GH18862 (let rename_categories take callables)
result = ci.rename_categories(lambda x: x.upper())
tm.assert_index_equal(result, CategoricalIndex(
list('AABBCA'), categories=list('CAB')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.add_categories(['d'])
tm.assert_index_equal(result, CategoricalIndex(
list('aabbca'), categories=list('cabd')))
ci = CategoricalIndex(list('aabbca'), categories=list('cab'))
result = ci.remove_categories(['c'])
tm.assert_index_equal(result, CategoricalIndex(
list('aabb') + [np.nan] + ['a'], categories=list('ab')))
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.as_unordered()
tm.assert_index_equal(result, ci)
ci = CategoricalIndex(list('aabbca'), categories=list('cabdef'))
result = ci.as_ordered()
tm.assert_index_equal(result, CategoricalIndex(
list('aabbca'), categories=list('cabdef'), ordered=True))
# invalid
msg = "cannot use inplace with CategoricalIndex"
with pytest.raises(ValueError, match=msg):
ci.set_categories(list('cab'), inplace=True)
