Function test_fstring_concat

tests/units/test_var.py:1253–1286

()

def test_fstring_concat():
    original_var_with_data = LiteralVar.create(
        "imagination", _var_data=VarData(state="fear")
    )

    immutable_var_with_data = Var(
        _js_expr="consequences",
        _var_data=VarData(
            imports={
                "react": [ImportVar(tag="useRef")],
                "utils": [ImportVar(tag="useEffect")],
            }
        ),
    )

    f_string = f"foo{original_var_with_data}bar{immutable_var_with_data}baz"

    string_concat = LiteralStringVar.create(
        f_string,
        _var_data=VarData(
            hooks={"const state = useContext(StateContexts.state)": None}
        ),
    )

    assert str(string_concat) == '("fooimaginationbar"+consequences+"baz")'
    assert isinstance(string_concat, ConcatVarOperation)
    assert string_concat._get_all_var_data() == VarData(
        state="fear",
        imports={
            "react": [ImportVar(tag="useRef")],
            "utils": [ImportVar(tag="useEffect")],
        },
        hooks={"const state = useContext(StateContexts.state)": None},
    )


var = Var(_js_expr="var", _var_type=str)