Function test_object_map_mapping_methods

src/tests/test_jsproxy.py:1977–2021

(selenium)

@run_in_pyodide
def test_object_map_mapping_methods(selenium):
    import pytest

    from pyodide.code import run_js
    from pyodide.ffi import JsMap, JsMutableMap

    m = run_js("({1:2, 3:4})").as_object_map()
    assert isinstance(m, JsMap)
    assert isinstance(m, JsMutableMap)
    # Iterate using keys() function
    assert set(m) == {"1", "3"}
    assert "1" in m.keys()
    assert 1 not in m.keys()
    assert m.keys() | {"2"} == {"1", "2", "3"}
    assert 2 in m.values()
    assert set(m.values()) == {2, 4}
    assert ("1", 2) in m.items()
    assert set(m.items()) == {("1", 2), ("3", 4)}

    assert m.get("1", 7) == 2
    assert m.get("2", 7) == 7

    assert m.pop("1") == 2
    assert m.pop("1", 7) == 7
    m["1"] = 2
    assert m.pop("1", 7) == 2
    assert m.pop("1", 7) == 7
    assert "1" not in m
    with pytest.raises(KeyError):
        m.pop("1")

    assert m.setdefault("1", 8) == 8
    assert m.setdefault("3", 8) == 4
    assert m.setdefault("3") == 4
    assert m.setdefault("4") is None
    assert "1" in m
    assert m["1"] == 8

    m.update({"6": 7, "8": 9})
    assert dict(m) == {"1": 8, "3": 4, "4": None, "6": 7, "8": 9}

    assert m.popitem() in set({"1": 8, "3": 4, "4": None, "6": 7, "8": 9}.items())
    assert len(m) == 4
    m.clear()
    assert dict(m) == {}


@run_in_pyodide