How to use the latex2mathml.exceptions.MissingSuperScriptOrSubscript function in latex2mathml

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github roniemartinez / latex2mathml / tests / test_aggregator.py View on Github external
),
    ("issue #94", r"\mathrm{AA}", [r"\mathrm", ["A", "A"]]),
    (
        "issue #96",
        r"(1+(x-y)^{2})",
        ["(", "1", "+", "^", ["(", "x", "-", "y", ")"], ["2"], ")"],
    ),
    ("issue #98", r"p_{\max}", ["_", "p", [r"\max"]]),
]

PARAMS_WITH_EXCEPTION = [
    (r"missing \right", r"\left(x", ExtraLeftOrMissingRight),
    ("fraction without numerator", r"{ \over 2}", NumeratorNotFoundError),
    ("fraction without denominator", r"{1 \over }", DenominatorNotFoundError),
    ("missing subscript", r"1_", MissingSuperScriptOrSubscript),
    ("missing superscript", r"1^", MissingSuperScriptOrSubscript),
]


@pytest.mark.parametrize(
    "name, latex, expected", ids=[x[0] for x in PARAMS], argvalues=PARAMS,
)
def test_aggregator(name: str, latex: str, expected: list):
    assert aggregate(latex) == expected


@pytest.mark.parametrize(
    "name, latex, exception",
    ids=[x[0] for x in PARAMS_WITH_EXCEPTION],
    argvalues=PARAMS_WITH_EXCEPTION,
)
def test_missing_right(name: str, latex: str, exception: Exception):
github roniemartinez / latex2mathml / latex2mathml / aggregator.py View on Github external
next_token = next_item_or_group(tokens)
            if len(aggregated) >= 2:
                if aggregated[-2] == SUBSCRIPT and token == SUPERSCRIPT:
                    aggregated[-2] = SUB_SUP
                    aggregated += [previous, next_token]
                elif aggregated[-2] == SUPERSCRIPT and token == SUBSCRIPT:
                    aggregated[-2] = SUB_SUP
                    aggregated += [next_token, previous]
                else:
                    aggregated += [token, previous, next_token]
            else:
                aggregated += [token, previous, next_token]
        except EmptyGroupError:
            aggregated += [token, previous, []]
        except StopIteration:
            raise MissingSuperScriptOrSubscript
    except IndexError:
        next_token = next_item_or_group(tokens)
        aggregated += [token, "", next_token]
    return aggregated