amended MultiIndex union test and added swaplevel test

realzachbrownjohn · realzachbrownjohn · commit 5e82ee56b2b0 · 2025-10-23T01:07:00.000+11:00
diff --git a/tests/indexes/test_indexes.py b/tests/indexes/test_indexes.py
@@ -1632,8 +1632,8 @@ def test_multiindex_union() -> None:
         pd.MultiIndex,
     )
     check(
-        assert_type(mi.union(pd.Index([("c", 3), ("d", 4)])), "pd.MultiIndex"), 
-        pd.MultiIndex,
+        assert_type(mi.union(pd.Index([("c", 3), ("d", 4)])), "pd.Index"), 
+        pd.Index,
     )
     check(
         assert_type(mi.union([("c", 3), ("d", 4)]), "pd.MultiIndex"),

Original file line number	Diff line number	Diff line change
`@@ -1632,8 +1632,8 @@ def test_multiindex_union() -> None:`
`1632`	`1632`	`pd.MultiIndex,`
`1633`	`1633`	`)`
`1634`	`1634`	`check(`
`1635`		`- assert_type(mi.union(pd.Index([("c", 3), ("d", 4)])), "pd.MultiIndex"),`
`1636`		`- pd.MultiIndex,`
	`1635`	`+ assert_type(mi.union(pd.Index([("c", 3), ("d", 4)])), "pd.Index"),`
	`1636`	`+ pd.Index,`
`1637`	`1637`	`)`
`1638`	`1638`	`check(`
`1639`	`1639`	`assert_type(mi.union([("c", 3), ("d", 4)]), "pd.MultiIndex"),`