import pytest
from pydantic_form.iterators import iter_form, iter_schema, iter_form_class


@pytest.fixture
def instance_factory(request):
    def _factory(scenario, data):
        instances = dict(
            schema_class=scenario.schema,
            schema=scenario.schema(**data),
            form_class=scenario.wtf_form,
            form=scenario.wtf_form()
        )

        return instances[request.param]

    return _factory


@pytest.mark.parametrize(
    'scenario',
    [
        'scenario_simple',
        'scenario_nested',
        'scenario_double_nested'
    ], indirect=True
)
def test_iterators(scenario):
    data = scenario.data_factory.valid()
    keys = scenario.keys

    assert [k for k, _ in iter_form_class(scenario.form)] == keys

    form = scenario.form()
    assert [k for k, _ in iter_form_class(scenario.form)] == keys
    assert [k for k, _ in iter_form(form)] == keys

    assert [k for k, _ in iter_schema(scenario.schema)] == keys

    schema_instance = scenario.schema(**data)
    assert [k for k, _ in iter_schema(schema_instance)] == keys