(float_frame)
| 320 | |
| 321 | |
| 322 | def test_join_index_series(float_frame): |
| 323 | df = float_frame.copy() |
| 324 | ser = df.pop(float_frame.columns[-1]) |
| 325 | joined = df.join(ser) |
| 326 | |
| 327 | tm.assert_frame_equal(joined, float_frame) |
| 328 | |
| 329 | ser.name = None |
| 330 | with pytest.raises(ValueError, match="must have a name"): |
| 331 | df.join(ser) |
| 332 | |
| 333 | |
| 334 | def test_join_overlap(float_frame): |