def test_equals_categorical(self): ci1 = CategoricalIndex(["a", "b"], categories=["a", "b"], ordered=True) ci2 = CategoricalIndex(["a", "b"], categories=["a", "b", "c"], ordered=True) assert ci1.equals(ci1) assert not ci1.equals(ci2) assert ci1.equals(ci1.astype(object)) assert ci1.astype(object).equals(ci1) assert (ci1 == ci1).all() assert not (ci1 != ci1).all() assert not (ci1 > ci1).all() assert not (ci1 < ci1).all() assert (ci1 <= ci1).all() assert (ci1 >= ci1).all() assert not (ci1 == 1).all() assert (ci1 == Index(["a", "b"])).all() assert (ci1 == ci1.values).all() # invalid comparisons with pytest.raises(ValueError, match="Lengths must match"): ci1 == Index(["a", "b", "c"]) msg = "Categoricals can only be compared if 'categories' are the same" with pytest.raises(TypeError, match=msg): ci1 == ci2 with pytest.raises(TypeError, match=msg): ci1 == Categorical(ci1.values, ordered=False) with pytest.raises(TypeError, match=msg): ci1 == Categorical(ci1.values, categories=list("abc")) # tests # make sure that we are testing for category inclusion properly ci = CategoricalIndex(list("aabca"), categories=["c", "a", "b"]) assert not ci.equals(list("aabca")) # Same categories, but different order # Unordered assert ci.equals(CategoricalIndex(list("aabca"))) # Ordered assert not ci.equals(CategoricalIndex(list("aabca"), ordered=True)) assert ci.equals(ci.copy()) ci = CategoricalIndex(list("aabca") + [np.nan], categories=["c", "a", "b"]) assert not ci.equals(list("aabca")) assert not ci.equals(CategoricalIndex(list("aabca"))) assert ci.equals(ci.copy()) ci = CategoricalIndex(list("aabca") + [np.nan], categories=["c", "a", "b"]) assert not ci.equals(list("aabca") + [np.nan]) assert ci.equals(CategoricalIndex(list("aabca") + [np.nan])) assert not ci.equals( CategoricalIndex(list("aabca") + [np.nan], ordered=True)) assert ci.equals(ci.copy())