| 688 | |
| 689 | @pytest.mark.filterwarnings("ignore:return type") |
| 690 | def test_properties(self) -> None: |
| 691 | ds = create_test_data() |
| 692 | |
| 693 | # dims / sizes |
| 694 | # These exact types aren't public API, but this makes sure we don't |
| 695 | # change them inadvertently: |
| 696 | assert isinstance(ds.dims, utils.Frozen) |
| 697 | # TODO change after deprecation cycle in GH #8500 is complete |
| 698 | assert isinstance(ds.dims.mapping, dict) |
| 699 | assert type(ds.dims.mapping) is dict |
| 700 | with pytest.warns( |
| 701 | FutureWarning, |
| 702 | match=r" To access a mapping from dimension names to lengths, please use `Dataset.sizes`", |
| 703 | ): |
| 704 | assert ds.dims == ds.sizes |
| 705 | assert ds.sizes == {"dim1": 8, "dim2": 9, "dim3": 10, "time": 20} |
| 706 | |
| 707 | # dtypes |
| 708 | assert isinstance(ds.dtypes, utils.Frozen) |
| 709 | assert isinstance(ds.dtypes.mapping, dict) |
| 710 | assert ds.dtypes == { |
| 711 | "var1": np.dtype("float64"), |
| 712 | "var2": np.dtype("float64"), |
| 713 | "var3": np.dtype("float64"), |
| 714 | } |
| 715 | |
| 716 | # data_vars |
| 717 | assert list(ds) == list(ds.data_vars) |
| 718 | assert list(ds.keys()) == list(ds.data_vars) |
| 719 | assert "aasldfjalskdfj" not in ds.variables |
| 720 | assert "dim1" in repr(ds.variables) |
| 721 | assert len(ds) == 3 |
| 722 | assert bool(ds) |
| 723 | |
| 724 | assert list(ds.data_vars) == ["var1", "var2", "var3"] |
| 725 | assert list(ds.data_vars.keys()) == ["var1", "var2", "var3"] |
| 726 | assert "var1" in ds.data_vars |
| 727 | assert "dim1" not in ds.data_vars |
| 728 | assert "numbers" not in ds.data_vars |
| 729 | assert len(ds.data_vars) == 3 |
| 730 | |
| 731 | # xindexes |
| 732 | assert set(ds.xindexes) == {"dim2", "dim3", "time"} |
| 733 | assert len(ds.xindexes) == 3 |
| 734 | assert "dim2" in repr(ds.xindexes) |
| 735 | assert all(isinstance(idx, Index) for idx in ds.xindexes.values()) |
| 736 | |
| 737 | # indexes |
| 738 | assert set(ds.indexes) == {"dim2", "dim3", "time"} |
| 739 | assert len(ds.indexes) == 3 |
| 740 | assert "dim2" in repr(ds.indexes) |
| 741 | assert all(isinstance(idx, pd.Index) for idx in ds.indexes.values()) |
| 742 | |
| 743 | # coords |
| 744 | assert list(ds.coords) == ["dim2", "dim3", "time", "numbers"] |
| 745 | assert "dim2" in ds.coords |
| 746 | assert "numbers" in ds.coords |
| 747 | assert "var1" not in ds.coords |